Samlexpower SRV-150-30A Le manuel du propriétaire

Marque: Samlexpower

Modèle: SRV-150-30A

Taper: Le manuel du propriétaire

Ce manuel convient également à

SRV-100-30A

Please read this

manual BEFORE

operating

your kit

Owner's

Manual

Solar

Charging Kit

SRV-100-30A

SRV-150-30A

OWNER'S MANUAL | Index

SECTION 1

General Safety ...................................................................... 3

SECTION 2

Description and Components .............................................. 4

SECTION 3

Connector System for Connecting Solar Panels ................... 7

SECTION 4

Installation Overview .......................................................... 11

SECTION 5

Tools and Materials Required for Installation ...................... 12

SECTION 6

Charge Controller Installation ............................................ 12

SECTION 7

Solar Panel Installation ........................................................ 13

SECTION 8

Wiring ......................................................................... 15

SECTION 9

Typical Battery Connections ................................................ 18

SECTION 10

Routine Maintenance ......................................................... 20

SECTION 11

Warranty ......................................................................... 21

Disclaimer of Liability

UNLESS SPECIFICALLY AGREED TO IN WRITING, SAMLEX AMERICA INC.:

1. MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED

IN ITS MANUALS OR OTHER DOCUMENTATION.

2. ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT,

CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY SUCH

INFORMATION WILL BE ENTIRELY AT THE USERS RISK.

Samlex America reserves the right to revise this document and to periodically make changes to the content hereof without

obligation or organization of such revisions or changes.

prohibited without express written permission by Samlex America Inc.

SAMLEX AMERICA INC. | 3

SECTION 1 | General Safety

IMPORTANT SAFETY INSTRUCTIONS

PLEASE READ THE FOLLOWING SAFETY INSTRUCTIONS BEFORE USING THE KIT. FAILURE TO ABIDE BY THE

RECOMMENDATIONS MAY CAUSE PERSONAL INJURY / DAMAGE.

The following safety symbols will be used in this manual to highlight safety and information:

WARNING!

Indicates possibility of physical harm to the user in case of non-compliance.

CAUTION!

Indicates possibility of damage to the equipment in case of non-compliance.

WARNING!

Please read the Owner's Manual carefully before attempting to carry out any installation and

wiring. Contact your RV dealer or Technical support at Samlex America (1-800-561-5885) for any

questions concerning the installation.

Installation and Wiring Compliance

Installation and wiring must comply with the local and National Electrical Codes and must be done by a

certied electrician.

1. Disconnect all power sources before carrying out the installation.

2. Make sure correct polarity is observed when making connections between the solar panel, Charge

Controller and the battery. Damage due to reverse polarity connection is not covered by warranty.

3. Make sure all wire connections are secure as loose connections may cause sparks.

4. Wear appropriate clothing and safety gear including protective eyewear when performing any

electrical installation.

Preventing Fire and Explosion Hazards

Working with electronic/electrical equipment may produce arcs or sparks. Thus, such equipment should not be

used in areas where there are inammable materials or gases requiring ignition protected equipment. These

areas may include spaces containing gasoline powered machinery, fuel tanks, battery compartments, etc.

Precautions When Working With Batteries:

• Batteries contain very corrosive diluted Sulphuric Acid as electrolyte. Precautions should be taken to

prevent contact with skin, eyes or clothing.

• Batteries generate Hydrogen and Oxygen during charging resulting in evolution of explosive gas

mixture. Care should be taken to ventilate the battery area and follow the battery manufacturer’s

recommendations.

4 | SAMLEX AMERICA INC.

• Never smoke or allow a spark or ame near the batteries.

• Use caution to reduce the risk of dropping a metal tool on the battery. It could spark or short circuit the

battery terminals or other electrical parts and could cause an explosion.

• Remove metal items like rings, bracelets and watches when working with batteries. Batteries can produce

a short circuit current high enough to weld a ring or the like to metal and thus, cause a severe burn.

• If you need to remove a battery, always remove the Ground Negative terminal from the battery rst.

When connecting the battery, connect the Ground last. Make sure that all the accessories are off so that

you do not cause a spark.

• Use properly insulated tools when making battery connections.

Precautions When Working With Solar Panels

With the incidence of sunlight or other light sources on solar panels, a voltage appears at the output

terminals of the solar panel turning it into a source of electricity. To avoid a shock hazard, make sure the

solar panel is covered with an opaque (dark) material such as paper/cloth during installation. Do not make

contact with the terminals when the panel is exposed to sunlight or any other light sources.

SECTION 2 | Description and Components

Solar Charging Kits SRV-100-30A and SRV-150-30A provide clean, green, silent and sustainable source of

solar-based DC power to charge 12V Lead Acid batteries. Each kit comes with the following:

• High efciency solar panel with MC-4 Connectors

• State-of-the-art, 30A Charge Controller

• Connecting Wires with mating MC-4 Connectors

• Mounting Brackets

• Installation Hardware

DETAILS OF SOLAR PANEL

Design Features

• High Conversion Efciency generates more energy per square meter

• Protective Bypass Diodes avoid effects of partial shading

• Weatherproof Junction Box and Connectors, Optical Low Iron Tempered Glass, EVA Resin and

Aluminum Frame for operation in outdoor, wet and marine applications

• Highest manufacturing standards - Test ID for each panel

• Strong frame withstands high wind force

Applications

• Residential Roof-top Systems

• Commercial / Industrial Building Roof-top Systems

• Rural area applications

• Other on-grid and off-grid applications

• Automotive, RV and Marine

SECTION 1 | General Safety

SAMLEX AMERICA INC. | 5

SECTION 2 | Description and Components

Table 2.1: Specications of Solar Panels

Parameter

150W Panel with SRV-150-30A

Solar Charging Kit

100W Panel with SRV-100-30A

Solar Charging Kit

Nominal Maximum Power at STC, Pmax 150 W ± 3% 100W ± 3%

Maximum Power Voltage, Vmp 18.38V 17.8V

Maximum Power Current, Imp 8.16A 5.62A

Open Circuit Voltage, Voc 22.68V 21.3V

Short Circuit Current, Isc 8.82A 6.07A

Module Efciency 15.42% 15.97%

Type of Cells Polycrystalline Monocrystalline

No of Cells 36 36

Maximum System Voltage UL-1703: 600VDC; IEC-61215 / 16730: 1000VDC

Series Fuse Rating 15A 10A

Terminal Box

IP-65 with 2 Bypass Diodes; Cable 4mm

with MC4 Compatible Connectors

Operating Temperature − 40°C to + 85°C / − 40°F to +185°F

Dimensions

660 x 1474 x 35.2 mm /

26 x 58.03 x 1.39 in

552 x 1200 x 35 mm /

21.73 x 47.25 x 1.39 in

Weight 12 Kg; 26.4 lb. 8 Kg; 17.63 lb.

STC

Irradiance Level: 1000 W/M2; Spectrum: AM 1.5

Cell Temperature: 25°C / 77°F

Temperature Coefcient of Current, Isc + 0.08% / °C + 0.05% / °C

Temperature Coefcient of Voltage, Voc − 0.34% / °C − 0.33% / °C

Temperature Coefcient of Power, Pmax − 0.43% / °C − 0.23% / °C

6 | SAMLEX AMERICA INC.

SECTION 2 | Description and Components

Details of Charge Controller SCC-30AB

Please refer to the Owner’s Manual enclosed with the Charge Controller.

Details of components included in the Kits are given below:

Table 2.2: List of Components

Serial

No.

Description

100W Kit

SRV-100-30A

150W Kit

SRV-150-30A

1 100W Solar Panel 1 0

2 150W Solar Panel 0 1

3 30A, PWM Charge Controller Model SCC-30AB 1 1

4 Solar Panel Connecting Wires Kit Model SCW-20-2 consisting of:

4-1

Positive (+) PV Extension Wire:

• 20 ft. length, AWG #12

• Male MC-4 Connector on one end and bare on the other

1 1

4-2

Negative (-) PV Extension Wire:

• 20 ft. length, AWG #12

• Female MC-4 Connector on one end and bare on the other

1 1

5 5-Hole Mounting Bracket for xing Panel to RV Roof / other structure 4 4

Flange Bolt (1/4-20 x 3/4”): Hex, Stainless Steel - For xing panel frame to

Mounting Bracket (Srl. 5)

4 4

7 Flat Washer (1/4”): Stainless Steel - Under Flange Bolts (Srls. 6 and 10) 8 8

8 Locknut (1/4”): Hex, Stainless Steel, Nylon Insert - For Flange Bolt (Srl. 6) 4 4

Well Nut (Nut size: 1/4-20; Length 1”; Shank Dia 1/2”) - For xing Mounting

Bracket (Srl. 5) to RV roof / other structure

4 4

Flange Bolt (1/4-20 x 1¼ ”): Hex, Stainless Steel - For xing Mounting

Bracket (Srl. 5) to Well Nut (Srl. 9)

4 4

11 Cable Clamp - For PV Extension Wires (Srls. 4-1 & 4-2) 6 6

12 Self Tapping Screw (#8), Philips - For Cable Clamp (Srl. 11) 6 6

13 Cable Tie for PV Extension Wires (Srls. 4-1 & 4-2) 6 6

Insulated Battery Ring Terminal, Stud Size 5/16”, Wire Size AWG #10 to #12 -

For crimping to wiring from Charge Controller to the battery

2 2

Insulated Fork Terminals for AWG #10 to #12 wire:

• 2 pcs for crimping to bare ends of PV Extension Wire (Srl 4-1 and 4-2) for

connection to Charge Controller (Srl 3)

• 2 pieces for crimping to bare ends of battery wires for connection to Charge

Controller (Srl. 3) (Inside Charge Controller SCC-30AB Box)

4 4

Tapping Screw (#7x19 x 5/8”): Flat Head, Philips - For mounting of Charge

Controller (Srl. 3) (Inside Charge Controller SCC-30AB box)

4 4

17 Owner’s Manual for the Kit 1 1

18 Owner’s Manual for Charge Controller SCC-30AB (Inside Charge Controller box) 1 1

SAMLEX AMERICA INC. | 7

SECTION 3 | Connector System for Connecting Solar Panels

The Positive and Negative outputs of the solar panel are fed through a water tight Junction Box. Appropriate

size of wires are connected to the Junction Box for further connections. The solar panels supplied with these kits

are provided with approximately 3 ft. each of Positive & Negative wires that are pre-connected to the Junction

Box. The free ends of the wires are terminated with special mating type of connectors for ease of extending

these wires for further connections. The special mating type of connectors used for the 3 ft. wires provided with

the solar panels and also for the separate extension wires are as follows:

• "SolarLine - MC4" Series manufactured by Multi Contact or compatible

General Information on MC4 Connector System

MC4 Connector System consists of male and female connectors. This type of connector system is easy to

install and uses “snap-in” type of safety locking clips to lock the two mating connectors, thereby, avoiding

unintentional disconnection. Also, the mating contacts are sealed against ingress of dust and water. Speci-

cations are as follows:

• Contact diameter Ø 4 mm

• Maximum rated current - 30A

• Maximum system voltage - 1000 V

• Degree of ingress protection when connected and properly locked - IP67

• Temperature range 40°C to +90°C

MC4 Connectors (Figs 3.1, 3.2)

The MC4 Connectors mentioned in this manual have been designated “Male” and “Female” based on the

characteristics of the mating contact inserts inside the terminals.

In the MC4 Male Connector (Fig. 3.1), the internal mating contact insert (1, Fig. 3.1) is a male pin. It has two

slots (2 of Fig. 3.1) for insertion of the two “snap-in” type of locking tabs (5 of Fig. 3.2) of the MC4 Female

Connector (Fig. 3.2) for rm mating connection. This connector is marked "-".

In MC4 Female Connector (Fig. 3.2), the internal mating contact insert (4 of Fig. 3.2) is a female cylindrical

socket. It has two “snap-in” type of locking tabs (5 of Fig. 3.2) that are inserted into the two slots (2 of Fig.

3.2) in the MC4 Male Connector (Fig. 3.1) for rm mating connection. Wire is crimped to the contact inserts

(1 and 4 of Fig. 3.2) using a special purpose crimping tool designed for MC4 connectors. After the wire has

been crimped, the contact insert is required to be seated securely inside the housing and the strain relief / seal

(3 of Fig. 3.1 & 3.2) is to be tightened fully to provide a water-tight seal.

Fig. 3.1: MC4 Male connector (marked “-”)

Fig. 3.2: MC4 Female connector (marked “+”)

1. Male Contact Insert

2. Slots for accepting “snap-in” type of locking tabs (5)

of the mating MC4 Female Connector (Fig. 3.2)

3. Strain Relief & Seal

4. Female Contact Insert

5. “Snap-in” type of locking tabs that slide inside

locking slots (2) of the mating MC4 Female

Connector (Fig 3.1)

8 | SAMLEX AMERICA INC.

SECTION 3 | Connector System for Connecting Solar Panels

Output Wires and Connections on the Solar Panel

Fig. 3.3 shows the output wires and connections on the solar panel. The output wires from the junction box

of the solar panel are terminated with the help of MC4 connectors. The Positive (+) wire is terminated with

a MC4 Female Connector (marked "+") and the Negative wire is terminated with a MC4 Male Connector

(marked "-").

WARNING!

When the surface of the solar panel / array is exposed to sunlight, a DC voltage appears at the output

terminals turning it into a live voltage source. For example, a 24V nominal solar panel my put out

an open circuit voltage of around 45VDC that may produce electrical shock. Multiple solar panels

connected in series (to increase the output voltage) will put out higher lethal voltages To avoid any

electrical shock hazard during installation, make sure that the solar panel / array is covered with an

opaque (dark) material to block solar irradiation.

Extending to the Output Wires of the Solar Panel (Fig. 3.3)

Male MC4 mating

connector marked (-)

Male MC4 mating connector

marked (-) for Positive (+)

PV Extension Wire

Female MC4 mating connector

marked (+) for Negative (-)

PV Extension Wire

Female MC4 mating

connector marked (+)

To Charge

Controller

Caution!

*1.

Note that the Positive (+) extension wire has

a male MC4 mating connector marked (-) that

mates with the female MC4 mating connector

marked (+) on the Positive (+) wire of the panel.

*2.

Similarly, the Negative (-) extension wire has

a female MC4 mating connector marked (+) that

mates with the male MC4 mating connector

marked (-) on the Negative (-) wire of the panel.

Fig 3.3. Connecting extension wires to the output wires of solar panel

SAMLEX AMERICA INC. | 9

• The Positive (+) wire of the solar panel is terminated with a MC4 Female Connector (marked +). Connect

this to the MC4 Male Connector (marked -) that is attached to the Positive PV Extension Wire. Make sure

that the locking tabs “snap in” for a rm connection. The bare end of the Positive extension Wire will

now be of Positive polarity. Use a piece of red sleeve or red tape near the bare end for identication as

the Positive (+) wire.

• The Negative (-) wire of the solar panel is terminated with a MC4 Male Connector (marked -). Connect this to

the MC4 Female Connector (marked +) that is attached to the Negative extension wire. Make sure that the

locking tabs “snap in” for a rm connection. The bare end of the Negative PV Extension Wire will now be of

Negative polarity.

• Connect the two PV Extension Wires to the Charge Controller.

WARNING!

Ensure that the polarity (+ or -) of the wires is identied correctly before connecting to the Charge

Controller. Damage due to wrong polarity may not be covered under warranty.

Connecting Second Adjacent Solar Panel in Parallel (Fig. 3.4)

To external

PV circuit

SCW-20-2 Kit

SBC-2 Kit

MC4 Male

Branch Connector (+)

MC4 Female

Branch Connector (-)

Fig. 3.4. Connecting two adjacent solar panels in parallel

SECTION 3 | Connector System for Connecting Solar Panels

10 | SAMLEX AMERICA INC.

SECTION 3 | Connector System for Connecting Solar Panels

A second solar panel can be connected in parallel with the panel provided in the kit to increase the current

output at the same output voltage. Fig. 3.4 above shows the arrangement for connecting the second solar

panel in parallel using the Solar Panel Connecting Wire Kit Model SCW-20-2 supplied with this kit, and MC4

Branch Connector Kit (SBC-2), sold separately. This arrangement is applicable if the two solar panels are to

be connected in parallel and are mounted adjacent to each other.

The output wires of the two solar panels are rst connected in parallel using the MC4 Male and Female

Branch Connectors. The outputs of the Branch Connectors are then connected to the SCW-20-2 wires for

connecting to the external PV circuit.

Connecting Second Solar Panel in Parallel When Separated by a Distance (Fig. 3.5)

To Charge

Controller

Female MC4

Connector

Male MC4

Connector

SCW-20-2 Kit

SBC-2 Kit

SCW-20-2 Kit

MC4 Male

Branch Connector (+)

MC4 Female

Branch Connector (-)

MC4-2

Fig. 3.5. Connecting two solar panels in parallel that are separated by an extended distance

Fig. 3.5 above shows an arrangement for connecting second solar panel in parallel that is separated by an

extended distance. In this case, the following will be required:

• SCW-20-2 Connecting Wires Kit - 2 sets (one set is provided with this kit. Second set has to be ordered

separately)

• One MC4 Male Branch Connector and one MC4 Female Branch Connector sold separately as an optional

kit – Model No. “SBC-2” Kit

• One MC4 Male Connector and one MC4 Female Connector sold separately as an optional kit – Model

No. “MC4-2“

In this case, one Connecting Wire Kit “SWC-20-2” and the optional MC-4 Connectors Kit “MC4-2” are rst

used to bridge the extended distance between the panels. The optional Branch Connector “SBC-2” Kit is

used to parallel the two solar panels. The second Connecting Wire Kit “SWC-20-2” is used to connect to the

external PV circuit.

SAMLEX AMERICA INC. | 11

SECTION 4 | Installation Overview

WARNING!

1. SAFETY: Please read Section 1: General Safety before starting installation.

2. PRECAUTIONS WHEN WORKING WITH CHARGE CONTROLLER MODEL NO. SCC-30AB: If two or

more solar panels are connected in series/parallel make sure that the sum of the Short Circuit

Current ratings of all panel strings does not exceed 80% of the Charge Controller’s current rat-

ing i.e. 24 Amps for the 30 Amp Charge Controller. The Open Circuit Voltage of the solar array

i.e. the maximum voltage across the array should not exceed 50V.

Block Diagram of Installation (Fig 4.1)

1. Read the manual in detail and understand the installation procedure.

2. Open the packaging and check to make sure that all parts have been received as per the List of

Components (page 6).

3. Arrange for the required tools to carry out the installation. A sample list of tools (not exhaustive) is

provided in Section 4.

4. Determine the mounting location of the solar panel(s) on the roof of the RV.

5. Mount the Charge Controller at the desired location (see Section 6).

6. Pass the cable from the solar panels to the interior of the RV (See Section 7).

7. Wire the battery to the Charge Controller through fuse and then the solar panel to the Charge

Controller ensuring correct polarity is observed (See Section 7).

8. Secure the solar panel to the RV roof (See Section 7).

Solar

Panel

Battery

Solar

Charge

Controller

Fuse within 7”

of battery post

Fig. 4.1. Installation Block Diagram Philips drive screw driver

12 | SAMLEX AMERICA INC.

SECTION 5 | Tools and Materials Required for Installation

Required Tools

1. Philips drive

screw driver

2. 7/16” wrench

3. 3/8” wrench

4. Wire Stripper

5. Wire Crimping Tool

6. Hand Drill

7. ½” drill bit

8. Jig-saw or suitable

cutting tool

9. Pliers

10. Punch or Awl

SECTION 6 | Charge Controller Installation

1. Each of the Samlex Solar Charging Kits come with a 30 Amp PWM Charge Controller Model No. SCC-30AB

to optimally charge your batteries from the solar panel.

2. The Solar Charge Controller comes with its own detailed manual. Read the manual in detail. The

instructions in this Section are only a brief summary of information contained in the manual.

3. Make sure the solar panels and batteries are disconnected from the Charge Controller before installing the

Charge Controller.

4. The Charge Controller should ideally be located in an area relatively close to the battery.

5. The Charge Controller should be mounted indoors in a dry location.

6. The Charge Controller is designed to be ush mounted on a wall or cabinet so that the wiring at the

back can be accessed. Allow adequate spacing (2-3 inches) behind the unit to accommodate the Charge

Controller and the wiring.

7. Using the cut-out template provided with the Charge Controller, mark the cut-out on the installation

surface and the location of the mounting holes.

8. Using a hand drill and suitable drill bit, drill the mounting holes.

9. Using a jig saw or suitable cutting tool cut the material out from the installation surface.

10. After wiring the Charge Controller terminals (see Section 7 on wiring), x the mounting plate to the

installation surface using the screws provided with the Charge Controller (7 x 19, 5/8" Flat Head Tapping

Screws - Philips Drive).

Required Materials

1. Silicone or any suitable roof sealant. Contact your local RV dealer or RV

store for a recommendation on a sealant to suit your specic RV roof

material.

2. Anti-galling lubricant to prevent “thread galling” of all stainless steel

fasteners exposed to outdoor environment. This should be available at

most hardware or auto-parts stores. If anti-galling lubricant is not available,

any standard lubricant will minimize the occurrence of “thread galling”.

3. If wiring distances are longer than 20 ft. length of wire provided with the

kit, extra stranded copper wire will be required. Wires should be 12 AWG or

thicker, single conductor, Type UF (Underground Feeder - marked as sunlight

resistant), Type SE (Service Entrance) or Type USE/USE-2 (Underground

Service Entrance). Alternatively, the following may be ordered for additional

20 ft. extension:

• Solar Panel Connecting WIres Kit "SCW-20-2"

• Solar Panel Multi Contact Connectors "MC4-2"

SAMLEX AMERICA INC. | 13

SECTION 7 | Solar Panel Installation

1. Stainless steel can be subject to a process called “thread galling” in which bolts can twist off and/or the

bolt threads seize to the nut’s thread. Apply Anti-galling Lubricant available at most hardware or auto-

parts stores to all the stainless steel fasteners before installation. If anti-galling lubricant is not available,

any standard lubricant will minimize the occurrence of “thread galling”.

2. Fix the mounting brackets (Fig. 7.2) to the frame of the previously positioned solar panel using the slotted

opening and the ¼”-20 x ¾"Flange Bolt, Nylon Locknut and at washer (Fig. 7.1).

3. Using a 7/16” wrench, tighten the nuts to secure the mounting brackets to the PV panel. Recommended

tightening torque is 15 lbs.

4. Position the panel with the attached mounting brackets at the desired location on the RV roof and mark

the position of the desired mounting hole using a suitable marker by tracing the hole on the mounting

bracket. Please ensure that the mounting surface on the RV roof is strong enough to support the

mounting hardware, solar panel and wind loads.

5. The centre and end holes on the mounting brackets (Fig. 7.2) are sized to accept the ¼” hardware

supplied with the unit. If the use of larger sized hardware is desired, 3/8" holes can be used.

solar module

1/4” -20x3/4” ange bolt

1/4” at washer

1/4” locknut

mounting bracket

RV roof

1/4” holes

3/8” holes

Fig. 7.2. 5-Hole Mounting Bracket.

Fig. 7.1. Attaching solar panel to

5-hole mounting bracket.

Well Nut for anchoring Solar Panel to RV Roof

6. A Well-Nut is a bushing of tough Neoprene rubber with a ange at the top end and a captive brass nut

mounted within the bore at the bottom end (Fig. 7.3). Tightening a conventional machine bolt or screw

engages the captive nut thereby causing the bushing to expand outwards. This fastens securely to thinner

RV roofs by bulging up and against the bottom surface of the roof (Fig. 7.6). If used in a blind hole in a

solid surface material, the rubber will expand outwards to create a secure fastening

(Fig. 7.7). The Neoprene and brass resist most environmental conditions.

ange

1/2” diameter

1/4” captive brass nut

Fig. 7.3. Construction of a Well Nut

14 | SAMLEX AMERICA INC.

SECTION 7 | Solar Panel Installation

Typical Installation of a Well-Nut

ange

1/2” diameter

1/4” captive brass nut

Fig. 7.4. Well-Nut is inserted

into a pre-drilled hole with

its ange against the outer

surface. There is no need

for access to the

inner side.

ange

1/2” diameter

1/4” captive brass nut

Fig. 7.5. The 5-hole mount-

ing bracket is placed against

the ange of the Well-Nut

and is secured by the bolt

engaging the captive brass

nut.

ange

1/2” diameter

1/4” captive brass nut

Fig. 7.6 . As the bolt is tight-

ened, the neoprene body of

the Well-Nut is compressed

and expanded, forcing it

tightly into the bolt's threads

and against the inner surface

of the thin RV roof material.

ange

1/2” diameter

1/4” captive brass nut

Fig. 7.7. Installed in a blind

hole in a solid material,

the body of the Well-Nut

expands tightly against the

walls of the hole, effect

ing a secure, dependable

fastening.

To install the Well-Nuts, drill holes 1¼” deep at the marked positions using a ½” size drill bit. Make sure

that drilling does not interfere with pre-existing wiring installations.

8. Apply silicone or any appropriate sealant recommended by your RV dealer generously to the drilled holes

for water-proong.

9. Insert the ¼” Well-Nut into the drilled holes so that only the ange section remains above the roof

surface (Fig. 7.4).

10. Fasten the mounting brackets to the roof surface by inserting the ¼ x 1¼” serrated ange bolt into the

Well-Nut (Fig. 7.5). Tighten using a 3/8” wrench to a recommended torque of 15 lbs. When the serrated

ange bolt is screwed into the Well-Nut, the material surrounding the well nut bulges slightly securing

the structure to the RV roof (Fig. 7.6 & 7.8).

11. Make sure all bolts and mounting brackets are covered by good amounts of suitable RV sealant

recommended by your local RV dealer.

Rubber bushing material expands

when bolt is tightened to securely

anchor hardware

Solar

Module

¼”-20 x 1¼” Flange Bolt

¼” Flat Washer

Well-Nut

Mounting Bracket

RV roof material

up to approx. 3/8”

thickness

Fig. 7.8 Attaching 5-hole mounting bracket to RV Roof

SAMLEX AMERICA INC. | 15

Please refer to wiring layout shown in Fig. 8.1. NOTE: Wiring and Fuse sizes recommended below are based

on use of a single 100/150W solar panel with maximum current handling capacity of 10A.

CAUTION!

1. The battery must be wired to the Charge Controller before the solar panel is connected to the

Charge Controller.

2. Use appropriate size of fuse in battery Positive Cable to protect against re hazard due to short

circuit in the battery cables.

A pair of 20 foot, AWG#12, pre-assembled cables with Multi-Contact (MC4) Male and Female Connectors

is provided to connect the solar panel to the Charge Controller. After making sure that sufcient length is

available to wire the solar panel to the Charge Controller, any excess wire may be used to wire the battery

to the Charge Controller. Please refer to wiring layout at Fig. 8.1 below.

Wiring from Battery to Charge Controller

CAUTION!

Wiring and fuse sizing recommended below are suitable for up to 150W panel only. If additional

panels are added in parallel to increase capacity, wiring and fuse sizes will be required to be

changed accordingly.

• Use AWG#12 for up to 6 ft. and AWG#10 for up to 10 ft. to limit voltage drop to 2% at maximum 10A.

• Mark the cables to differentiate between Positive and Negative.

• Make sure the Positive terminal (marked ‘+’) of the battery is connected to the Positive terminal

(marked “BAT +”) of the Charge Controller and the Negative terminal (marked ‘-’) of the battery is

connected to the Negative terminal (marked “BAT -”) of the Charge Controller SCC-30AB (Fig. 8.1). If

you are not sure, use a DC voltmeter to determine the polarity of the battery bank. Reverse polarity

connection may damage the Charge Controller and the resulting damage will not be covered by

warranty.

• 4 pieces of Fork Terminals (Fig 8.3) have been supplied for crimping on to the wire ends on the

Controller side.

2 pieces of Ring Terminals (Fig 8.2) have been provided for crimping on the wire ends on the battery side.

• Use Inline ATC style Fuse Holder of 10A ATC-10 fuse on the battery end of the Positive cable (Fig 8.1;

NOT SUPPLIED). The Fuse Holder comes with 4", AWG#12 pigtails. Splice one pigtail to the Positive wire

end and use the other pigtail for battery connection.

SECTION 8 | Wiring

16 | SAMLEX AMERICA INC.

PV +

PV -

Bat +

Bat -

PV +

PV -

BAT +

BAT -

PV +

PV -

BAT +

BAT -

Fig 8.2

Ring

terminal for

battery end

Fig 8.3

Fork

terminal for

Controller end

Fig 8.1 Wiring Layout

Battery

Inline Fuse

(See Fig 8.4)

Solar Panel

Warning:

Be careful not to short the battery

Use inline, 10A ATC Type Fuse with ATC Fuse Holder (Fig. 8.4) as close to the battery as possible.

Fig 8.4

Inline ATC Fuse Holder and ATC-10, 10a Fuse

(Not Supplied)

ATC-10

10A Fuse

Fuse

Holder

4" Pigtails, AWG#12

Wiring from Solar Panel to Charge Controller

1. Determine the position of the solar panel on the RV roof. While positioning panels, avoid shading

of the solar panel by neighbouring obstacles such as vents, air-conditioners, TV antennas etc. As far

as possible, position the panels to minimize wiring distance between the solar panel and the Charge

Controller. Place the panel at least 8-10 inches away from the RV roof edges and leave sufcient space

to walk around the panel and access the mounting hardware.

2. Make sure the thickness of the roof at the installation location is at least ½” thick and the material

is strong enough to provide mechanical support to the solar panel and mounting hardware against

possible wind loading. Place the panel length-wise to reduce the effects of wind loading on the RV.

1. Negative wire with MC4 Female connector (marked “+”)

2. Positive wire with MC4 Male connector (marked “-”)

Fig. 8.5. Solar Panel Connecting Wires kit "SCW-20-2"

3. Solar Panel Connecting Wires kit "SCW-20-2" consisting of 2 pre-assembled, 20 ft, AWG #12, Positive

(+) & Negative (-) PV extension wires have been provided (see Fig. 8.5). The wires have MC4 mating

connectors on one end for connecting to the solar panel & bare ends on the other side for connecting

to the Charge Controller. The wires are marked (+) & and (-) for identication of the polarity.

4. Please read Section 3 on connecting PV Extension Wires to the panels.

SECTION 8 | Wiring

SAMLEX AMERICA INC. | 17

Solar

Panel

Refrigerator

Vent Cover

Vent

Screen

Method B

Method A

Fig. 8.6 PV Wire Entry Through RV Vent

5. The wire pair from the solar panel can be routed to the interior of the RV through the roof-top

refrigerator vent. Find where the refrigerator vent is located on the roof of the RV. See Fig. 8.6.

6. Select a suitable mounting location for the solar panel, preferably as close to the vent as possible. The

mounting surface should be strong enough to support the mounting hardware, the solar panel and

wind loads.

7. Take off the vent cover to gain access to the duct opening and keep the vent fastening hardware safely

as the vent cover will have to be replaced after the wires have been routed.

8. The wires from the solar panel can be routed by either of the two following methods:

A. Hole in the side of the vent: Drill a suitable hole in the side of the vent and insert a rubber grommet

(not provided). Route the wire pair carefully to the Charge Controller through the hole. Use

appropriate sealant as recommended by your local RV dealer to ensure the penetration at the side

of the vent is watertight.

B. Through the vent screen: Route the wire pair through the vent screen grid holes. Widen the screen

grid holes if necessary.

9. Use the cable clamps with #8 self-tapping screws and tie wraps at regular intervals of the wire route

from the solar panel to the Charge Controller to hold the cables in place for a neat nish. Tuck any

excess wire under the refrigerator vent cover.

WARNING!

Avoid sharp, heated or abrasive material on the cable route.

10. Replace the refrigerator vent cover and secure with the retained hardware.

11. Crimp the bare end of the wires with the fork terminals provided (Fig 8.3).

12. Insert the terminals into the appropriate terminal on the Charge Controller (Fig 8.1): Positive PV lead is

connected to the Positive terminal (marked “PV +”) of the Charge Controller and the Negative PV lead is

connected to the Negative terminal (marked “PV -”) of the Charge Controller. Reverse polarity connection

may damage the Charge Controller and the resulting damage will not be covered by warranty.

SECTION 8 | Wiring

18 | SAMLEX AMERICA INC.

Series Connection of Batteries

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery

PV +

PV -

BAT +

BAT -

12V Battery 12V Battery 12V Battery 12V Battery

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery 6V Battery 6V Battery

String 1 String 2

Battery 1 Battery 3Battery 2 Battery 4

Battery 1 Battery 3Battery 2

Battery 1 Battery 2

Battery 4

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Fig. 9.1: Series Connection

When two or more batteries are connected in series, their voltages add up but their Ah capacity remains

the same. Fig. 9.1 above shows 2 pieces of 6V, 200 Ah batteries connected in series to form a battery bank

of 12V with a capacity of 200 Ah. The Positive terminal of Battery 1 becomes the Positive terminal of

the 12V bank. The Negative terminal of Battery 1 is connected to the Positive terminal of Battery 2. The

Negative terminal of Battery 2 becomes the Negative terminal of the 12V battery bank.

Parallel Connection of Batteries

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery

PV +

PV -

BAT +

BAT -

12V Battery 12V Battery 12V Battery 12V Battery

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery 6V Battery 6V Battery

String 1 String 2

Battery 1 Battery 3Battery 2 Battery 4

Battery 1 Battery 3Battery 2

Battery 1 Battery 2

Battery 4

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Fig. 9.2: Parallel Connection

When two or more batteries are connected in parallel, their voltage remains the same but their Ah capacities

add up. Fig. 9.2 shows 4 pieces of 12V, 100 Ah batteries connected in parallel to form a battery bank of

12V with a capacity of 400 Ah. The four Positive terminals of Batteries 1 to 4 are paralleled (connected

together) and this common Positive connection becomes the Positive terminal of the 12V bank. Similarly, the

four Negative terminals of Batteries 1 to 4 are paralleled (connected together) and this common Negative

connection becomes the Negative terminal of the 12V battery bank.

SECTION 9 | Typical Battery Connections

SAMLEX AMERICA INC. | 19

Series – Parallel Connection of Batteries

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

Solar Charge Controller

SCC-30AB (rear view)

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery

PV +

PV -

BAT +

BAT -

12V Battery 12V Battery 12V Battery 12V Battery

PV +

PV -

BAT +

BAT -

6V Battery 6V Battery 6V Battery 6V Battery

String 1 String 2

Battery 1 Battery 3Battery 2 Battery 4

Battery 1 Battery 3Battery 2

Battery 1 Battery 2

Battery 4

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Cable “A”

Cable “B”

Fig. 9.3: Series-Parallel Connection

Figure 9.3 above shows a series – parallel connection consisting of four 6V, 200 Ah batteries to form a 12V,

400 Ah battery bank. Two 6V, 200 Ah batteries, Batteries 1 and 2 are connected in series to form a 12V, 200

Ah battery (String 1). Similarly, two 6V, 200 Ah batteries, Batteries 3 and 4 are connected in series to form

a 12V, 200 Ah battery (String 2). These two 12V, 200 Ah Strings 1 and 2 are connected in parallel to form a

12V, 400 Ah bank.

CAUTION!

When 2 or more batteries / battery strings are connected in parallel and are then connected to the

Solar Charge Controller SCC-30AB (See Figs. 9.2 and 9.3 given above), attention should be paid to

the manner in which the Solar Charge Controller is connected to the battery bank. Please ensure

that if the Positive output cable of the Solar Charge Controller (Cable “A”) is connected to the

Positive battery post of the rst battery (Battery 1 in Fig. 9.2) or to the Positive battery post of the

rst battery string (Battery 1 of String 1 in Fig. 9.3), then the Negative output cable of the Solar

Charge Controller SCC-30AB (Cable “B”) should be connected to the Negative battery post of the

last battery (Battery 4 as in Fig. 9.2) or to the Negative Post of the last battery string (Battery 4 of

Battery String 2 as in Fig. 9.3). This connection ensures the following:

• The resistances of the interconnecting cables will be balanced.

• All the individual batteries / battery strings will see the same series resistance.

• All the individual batteries will charge at the same charging current and thus, will be charged to

the same state at the same time.

• None of the batteries will see an overcharge condition.

SECTION 9 | Typical Battery Connections

20 | SAMLEX AMERICA INC.

If the Positive output cable of the Solar Charge Controller (Cable “A”) is connected to the Positive

battery post of the rst battery (Battery 1 in Fig. 9.2) or to the Positive battery post of the rst

battery string (Battery 1 of String 1 in Fig. 9.3), and the Negative output cable of the battery charger

(Cable “B”) is connected to the Negative battery post of the rst battery (Battery 1 as in Fig. 9.2)

or to the Negative Post of the rst battery string (Battery 1 of Battery String 1 as in Fig. 9.3), the

following abnormal conditions will result:

• The resistances of the connecting cables will not be balanced.

• The individual batteries will see different series resistances.

• All the individual batteries will be charged at different charging current and thus, will reach fully

charged state at different times.

• The battery with lower series resistance will take shorter time to charge as compared to the

battery which sees higher series resistance and hence, will experience over charging and its life

will be reduced.

SECTION 10 | Routine Maintenance

Please carry out the following routine maintenance:

• Inspect the solar panels and make sure the surface is free from dust, dirt and other debris. Clean with

a wet cloth or glass cleaner, if necessary.

• Check to make sure all structural components, mechanical fasteners and electrical connections are

secure, clean and corrosion-free.

• Check and maintain battery electrolyte levels at regular intervals as per battery manufacturer’s

recommendations if ooded/wet cell Lead Acid batteries are used.

• Check and replace damaged components, if necessary.

SECTION 9 | Typical Battery Connections

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