Girard Products GSWH-1M Le manuel du propriétaire

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Modèle: GSWH-1M

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GSWH-1M REVISION 1

Owner’s Manual

Girard Products LLC, 1361 Calle Avanazado, San Clemente CA 92673 U.S.A

Owner’s Manual Part No. 1GWH9407, REV. 1

CAUTION:

Read and Follow all

the Safety Rules and

Instructions before

operating this Appliance.

Demand Tankless Water Heater

LP Gas

Power Blower Induced Draft

Gas Modulation Control

Installation and service must be

performed by a recommended

installer, service agency or gas

supplier.

This water heater is certiﬁed for

installation in Recreation Vehicles

(RV’s) and is not for use in Marine

or Space Heating Applications.

Model: GSWH-1M

REVISION 1

1Page

• Installation

• Operation

• Service and Maintenance

Patent Pending

CSA Approved

TANKLESS WATER HEATER - Model GSWH-1M

Installer/Customer Responsibilities

• Installation and Service must be performed by a Girard Products LLC

recommended installer, service agency or gas supplier.

• Do not attempt installation as a Do-it-Yourself project

• Read and observe all safety rules

• Shut off gas appliances and pilot lights when refueling.

• Keep these instructions and warranty for future reference

• Follow all applicable State and Local Codes

• Follow a regular schedule of maintenance as outlined in this manual

2Page

This is the safety alert symbol. It is used to alert you to potential

personal injury hazards. Obey all safety messages that follow this

symbol to avoid possible injury or death. Failure to follow these

alerts could result in Fire, Explosion or even Death.

WARNING – FIRE OR EXPLOSION

WARNING: These instructions must be followed exactly, or a re or explosion

may result causing property damage, personal injury or death.

• Do not store or use gasoline or other ammable vapors and liquids in the vicinity of

this or any other appliance.

• FOR YOUR SAFETY --- WHAT TO DO IF YOU SMELL GAS

• DO NOT attempt to light any appliance.

• DO NOT touch any electrical switch, or use any phone or radio in the vehicle.

• DO NOT start the vehicle’s engine or electric generator.

• Evacuate all persons from the vehicle.

• Shut off the gas supply at the gas container or source.

• Contact the nearest certied service technician or gas supplier for repairs.

• If you cannot reach a certied service technician or gas supplier, contact the

nearest re department.

• DO NOT turn on the gas supply until the gas leak(s) has been repaired.

• Installation and Service must be performed by a Girard Products LLC

recommended installer, service agency or gas supplier.

USA AND CANADA - FOLLOW ALL APPLICABLE STATE AND LOCAL CODES

IN THE ABSENCE OF LOCAL CODES OR REGULATIONS REFER TO CURRENT

STANDARDS OF:

• Recreational Vehicles ANSI A119.2/NFPA 501C.

• CSA standard Z240 RV Series, Recreational Vehicle.

• Park Trailers A119.5

• National Fuel Gas Code ANSI Z223.1 and/or CAN/CGA B149 Installation Codes

• Federal Mobile Home Construction & Safety Standard, Title 24 CFR, part 3280, or

when this Standard is not applicable, the Standard for Manufactured Home Installations

(Manufactured Home Sites, Communities and Set-Ups), ANSI A255.1 and/or CAN/

CSA-Z240 MH Series, Mobile Homes.

• National Electrical Code ANSI/NFPA No. 70 and/or CSA C22.1

3Page

CRITICAL INSTALLATION WARNINGS

• Installation and Service must be performed by a Girard Products LLC

recommended installer, service agency or gas supplier.

• This product is not designed for Do-it-Yourself Installation.

• Install ONLY in recreation vehicles (RV’s). RV’s are recreation vehicles designed

as temporary living quarters for recreation, camping, or travel use having their own power

or towed by another vehicle. This water heater is NOT designed for Marine or Space

Heating applications

• All combustion air must be supplied from the outside of the RV, and all products of

combustion must be vented to the outside of the RV.

• DO NOT vent water heater with a venting system serving another appliance or

to an outside enclosed porch area.

• DO NOT modify water heater in any way. This is dangerous and will void the

warranty.

• DO NOT alter water heater for a positive grounding system.

• DO NOT HI-POT water heater unless the electronic ignition control (circuit board) has been

turned ‘OFF’ (Power switch is in “Off” position)

• DO NOT use battery charger to supply power to water heater even when testing.

• Protect building materials from ue gas exhaust.

• Install the water heater on an exterior wall, with access door opening to the outdoors.

• DO NOT lift the water heater or carry it by holding the blower assembly support bracket/

exhaust tube.

• DO NOT modify the length of the wires protruding past the strain relief from the

rear of the housing.

INSTALLATION

The following instructions apply to the most common type of installation for Girard Products

GSWH-1M water heater. Consult with Girard Products, LLC technical support or engineering

department if you have any additional questions regarding your specic installation/application.

Select a suitable location

The water heater is designed to be installed on a oor or a xed platform with access to water,

gas and electrical connections from the back. It is recommended that the GSWH-1M be located

as near the center of the coach as possible.

DO NOT INSTALL IN AN AREA WHERE ONE OR BOTH THE INLET AIR VENT AND FLUE

VENT CAN BE COVERED WHEN A DOOR OR ACCESS PANEL OF THE VEHICLE IS OPENED.

DO NOT INSTALL WHERE THE FLUE VENT IS CLOSER THAN ONE FOOT IN ALL

DIRECTIONS FROM ANY WINDOW OR OPENING INTO THE VEHICLE.

DO NOT INSTALL THE WATER HEATER OR ANY OTHER APPLIANCE WHERE IT CAN VENT

INTO AN AREA COVERED BY AN AWNING, CANOPY OR ANY OTHER ENCLOSURE.

(Note: The water heater can be installed under an RV roll-out/retractable type awning providing

the awning does not have an enclosure such as a screen room and/or some type of “walled

enclosure”)

4Page

WARNING! CAUTION!

• Improper installation, adjustment, alteration, service or maintenance can cause

property damage, personal injury or loss of life.

• Installation and Service must be performed by a Girard Products LLC recommended

installer, service agency or gas supplier.

• This product is not designed for do-it-yourself installation.

• DO NOT lift the water heater or carry it by holding the blower assembly support

bracket/exhaust tube (Figure 1).

IMPORTANT!

• For proper operation this water heater requires a minimum water ow of 1.0

Gallon per Minute (gpm) for each Hot Water faucet it supplies.

Site Preparation

To install on carpeted area you must install a metal or wood panel under the water heater that

extends at least 3 inches beyond the width and depth of the unit. If water leakage can result in

damage to the adjacent area, install a drain pan that can be drained to outside of the vehicle,

under the water heater.

Verify that a clearance of 1 inch will remain after installation between the top surface of the

water heater and any combustible material. 0 inch clearance is acceptable for the sides.

Make sure that the front edge of the opening is surrounded by a solid frame to rmly anchor the

water heater; if needed, build an appropriate frame using 2” X 2” elements (Figure 1)

The rough opening for the GSWH-1M should be 12.75” X 12.75” with right angle corners. The

exterior wall opening must be the same dimensions with no radius corners.

Water Heater Installation

Remove the water heater from the box by grasping the metal sides of the housing and lifting

upward until it is free of the box.

5Page

Ensure that water and gas connections from

the vehicle are in place for installing the

unit. Allow sufcient length and exibility

in the water and gas lines to reach the

connections while the unit is partially

inserted into the opening.

Figure 1

IMPORTANT!

• Lifting or moving the water heater using the Blower Assembly Support

Bracket/Exhaust Tube (Figure 1) may result in improper alignment of the vent

and/or improper alignment of the Sail Switch.

Partially insert the water heater into the opening and connect both Hot and Cold water lines to

the appropriate ½”NPT ttings. Connections can be made using PEX swivel nut adaptors with

NPS straight threads and a cone seal or with a standard ½”FPT nut. The PEX swivel nuts require

only hand tightening. (Figure 2, page 6).

Connect the gas to the 3/8” LP Gas compression tting on the back of the Water Heater (Figure

2). Use two wrenches to tighten the compression tting to avoid damaging the unit.

Use additional caulking if needed to complete a permanent seal of the gas line with the housing.

6Page

PRODUCT DAMAGE!

• Excessive torque will damage the Cold Water and Hot Water Inlets.

DO NOT over tighten.

IMPORTANT! CRITICAL INSTALLATION

• DO NOT cut any wires.

• The length of the external wires, those wires extending beyond the strain relief

from the rear of the housing (Figure 2), must NOT be shortened for any reason.

Shortening these wires will prevent the removal of the Control Housing during

servicing and/or testing.

Figure 2

A: Installation of water heater with separate ange

1. Complete the “skin” application to the vehicle’s outer wall.

2. Position water heater housing into the frame opening with the front edge aligned

evenly to the exterior wall (See Figure 3).

3. To prevent water and air leaks apply sufcient caulking around the entire frame

opening and the exterior edge of the water heater housing. Use a suitable caulking

material that will result in a permanent seal between the water heater and the

vehicle’s frame.

4. Press the side walls of the water heater housing rmly against the frame to

expel any bubbles and ensure a good bond.

5. When ready to proceed, apply additional caulking or butyl tape to the back of

the door ange that will contact the RV sidewall around perimeter of the opening.

6. Insert the door ange into the water heater housing and press the ange rmly

against the sidewall.

7. Secure the ange to the vehicle using No. 8 - ¾” at head screws through each hole

along the perimeter. Verify that a tight seal exists between the side wall and the

ange. If not, repeat above steps.

8. Align each hole along the inside frame of the ange with the corresponding holes in

the water heater housing and secure to the frame using No. 8 - ¾” at head screws

using two screws per side.

9. Remove any excess caulking and clean all surfaces.

7Page

NOTICE

• If you wish to install the ange as an integral part of the water heater housing

proceed to B: Installation of water heater with Integral Flange (below).

Apply caulking

along each side.

Figure 3

B: Installation of water heater with integral ange

1. Protect the side wall with masking tape or other suitable means to insure that it is not

damaged while installing the water heater.

2. Position the water heater so that the front edge extends from the opening approximately 2”

and insert the door ange into the housing.

3. Permanently attach the ange to the housing using stainless steel screws or stainless steel

rivets with recommended grip range of .188” to .129” and hole size of .129” to .133”.

4. To prevent water leaks apply a good amount of caulking or butyl tape on the sidewall around

perimeter of the opening that will be covered by the ange and along the front edge of the

housing that will contact the mounting frame.

5. Slide the water heater in place into the opening and press the door ange

against the sidewall.

6. Secure water heater housing unit to the vehicle using No. 8 - ¾” at head screws through

each hole in the door ange (Figure 4). Verify that a tight seal exists between the side wall and

the ange. If not, repeat above steps.

8Page

Figure 4

C: Installation of 12VDC Power and Gas Modulation

Control (GMC)

1. SET THE POWER SWITCH TO THE “OFF” POSITION and

connect the power wires to a 12VDC circuit from the DC panel

protected with a 10 amp fuse. Connect black wire to a ground

connection. The Red wire is positive (+) and the Black wire is

negative (-).

2. To install the remote Gas Modulation Control/GMC (Figure

5), connect the GAS MOD Box wire from the Water Heater to

the White wire from the GMC and Black wire from the GMC to

any accessible Ground wire/Ground connection of the vehicle.

Figure 5

D: Functional tests

1. Verify the power switch is in the “OFF” position

2. Turn on the water supply to the unit.

3. Open and then close the hot AND cold water faucets in the vehicle to ll the

pipes with water. (Purge air out of all water lines including washers, toilet and outside

faucets, if applicable). Close the faucets when the water is owing smoothly and

verify that there are no leaks at the connections and within the water heater.

4. Turn on the gas supply and check all gas connections for gas leaks with leak

detection solution.

5. Turn the power switch to the “ON” position and set the Gas Modulation Control for

maximum heat by turning the control knob fully clockwise.

6. Open a hot water faucet and verify that the unit lights and supplies warm water at the

faucet.

7. WHILE THE UNIT IS RUNNING, verify that there are no leaks at the gas connections to the

control valve and to the burner.

E: Door Installation

After mounting and securing the unit in the chosen location, install the door making sure that:

1. The door mounting posts on the door ange are properly aligned with corresponding

holes along the door’s lower edge. If needed, carefully re-align the posts with pliers.

2. The exhaust tube extends beyond the door’s face through the clearance hole

BUT not beyond the face of the door. Be sure that the exhaust tube is seated

properly. See Figure 6

3. Ensure that the door lock operates smoothly and engages easily.

9Page

WARNING – FIRE AND/OR EXPLOSION

WARNING: These instructions must be followed exactly, or a re or explosion may result

causing property damage, personal injury or death.

DO NOT use matches, candles or other sources of ignition when checking for gas leaks.

WARNING! PRODUCT DAMAGE

• DO NOT FORCE THE DOOR CLOSED with the tube pressed inside the door.

Doing so may damage the door or the exhaust tube and mis-align the sail switch.

WARNING!

It is necessary to use only an applicable Girard Water Heater Door (part numbers:

1GWHD, 1GWHDA6, 1GWHDAS10) with a Girard GSWH-1M Water Heater. Use of any

other brand of water heater door will affect the operation and performance of the Girard

Water Heater and may cause a hazardous condition.

10Page

WARNING! CAUTION!

• Disconnect the unit from the gas supply

line during any pressure testing of the

gas system in excess of ½ PSIG

(3.4 kPa, 14” water column [W.C.]). DO

NOT set inlet pressure higher than the

maximum indicated on rating plate of gas

valve (13” W.C.).

• If an external electrical source is utilized,

the appliance, when installed, must be

electrically grounded in accordance with

local codes or, in the absence of local

codes, with the National Electrical Code,

ANSI/NFPA 70 and/or the CSA C22.1,

Canadian Electrical Code.

Figure 6

This completes the installation of the Model GSWH-1M water heater.

Insert exhaust tube

through door opening

CONSUMER SAFETY WARNING

• Use with LP gas only.

• Shut off gas appliances and pilot lights when refueling.

• Turn gas OFF at the LP tank when vehicle is in motion. This disables all gas

appliances and pilot lights. Gas appliances must never be operated while

vehicle is in motion.

• LP tanks must be lled by a qualied gas supplier only.

• Should overheating occur, turn gas OFF at the LP tank and turn the operating

switch to the OFF position.

OPERATING INSTRUCTIONS

Understanding How the Girard Tankless Water System Works

In a conventional installation the Girard Tankless Water Heater is connected to:

1. The RV’s cold water system deriving its water input from a pressurized (45 psi or greater)

source such as a shore connection or an RV water pump connected to the fresh water storage

tank.

2. The RV’s hot water system (i.e. faucets and shower)

3. The RV’s LP Gas system capable of supplying its rated BTU requirement.

The Girard Products model GSWH-1M is a new ‘induced-draft’, tankless water heater

designed specically for Recreation Vehicles (RV). Its conguration and size are consistent

with the tank based RV water heaters currently in use and is designed for OEM’s and after-

market use by the RV industry. A main feature of the GSWH-1M is a Gas Modulation Control

(GMC - see Figure 5), which is installed inside the vehicle. Using the GMC, the heating

capacity of the water heater can be manually adjusted from a minimum of 18,000 BTUs to a

maximum of 36,000 BTUs and the incoming water temperature will rise 20°- 70° (F) based

on the actual Hot water ow and the Gas Modulation Control (GMC) setting.

The Girard Tankless Water Heater heats water while it is being used i.e., on demand. The output

temperature of the water depends on the GMC setting, the inlet water temperature AND the Hot

water ow.

11Page

IMPORTANT!

• The presence of a ow restrictor in the hot water line may limit your ability

to reach a comfortable water temperature. For best results remove the

restrictor in the shower head.

• Purge air out of ALL hot and cold water lines, including outside shower, toilet

and wash machine water lines (if applicable).

“LIMITING” Emergency Cut Off (ECO)

If the water ow is low or reduced and the Gas Modulator Control (GMC) Dial is set

too high, “LIMITING” may occur which is: The Hot water temperature will exceed the

Emergency Cut-Off (ECO) setting of 131 degrees (F) and the burner will shut off. When

the Hot water outlet temperature drops to approximately 110 degrees (F) the burner

will reignite. The End User will experience the Water Heater cycling from Hot water then

Cooler water. To correct this “Limiting/cycling” the Gas Modulation Control (GMC) Dial

needs to be turned counter clockwise and/or increase the Hot Water ow.

IF “LIMITING” OCCURS, TURN THE GAS MODULATION CONTROL (GMC) DIAL

COUNTER CLOCKWISE AND/OR INCREASE THE HOT WATER FLOW.

12Page

F. User operation of the GSWH-1M

Since an RV’s environment and water source (temperature, ﬂow/pressure) can

change on a daily basis and the Girard GSWH-1M Tankless Water Heater needs to

make “instant” Hot water based on these changes, Girard Products has designed

the Girard GSWH-1M Tankless Water Heater with multiple operation controls and

settings so the end user can achieve the desired Hot water temperature in nearly any

environment.

This is accomplished by: (a) adjusting the Gas Modulating Control Dial (GMC), (b) by

adjusting the Hot water ﬂow and/or (c) by adding Cold Water to the Hot Water ﬂow.

We suggest, before going on their ﬁrst camping trip, the end user try the different

operating procedures (at every faucet) to acheive the desired Hot water temperature.

OPERATING PROCEDURES:

1. Purge the air out of all Cold and Hot Water Lines (don’t forget any outside faucets, toilet and

washer hook-ups). This only needs to be done on the rst time out camping (unless a water

line is depleted of water).

2. Open Water Heater Door and turn the Water Heater Power switch to the ON position. The

Power Switch can be left in the ON position for the entire camping season since it will only

draw power when there is a demand for Hot water.

3. Locate and set Gas Modulator Dial (GMC) to the appropriate setting (see g.5 on page 8).

a. Normal Weather – Set Dial to the middle area.

b. Extreme Cold Weather – Set Dial to the extreme right area (large ame).

c. Extreme Hot Weather – Set dial to the extreme left area (small ame).

4. Turn on the Hot water faucet to a normal ow rate (normal would be ½ to 2/3 ow rate). Wait

for the water to travel from the Water Heater to the faucet (this may be a few seconds to

nearly a minute, depending on the RVs plumbing conguration and location of the faucet and

the Water Heater).

5. If the Hot water is not Hot enough you may do the following:

a. Turn the Gas Modulating Dial “clockwise” to increase the ame/BTUs to raise the

Hot Water Temperature. NOTE: Use caution not to increase the Dial too much which

could cause the Hot Water temperature to rise to the point the Water Heater “limits”

and turns OFF the ame (ame shut off is approximately 131 degrees F).

b. Reduce the Hot water ow to increase the Hot water temperature

6. If the Hot Water is too Hot you may decrease the Hot water temperature by:

a. Turn the Gas Modulator Dial counter-clockwise to decrease the ame/BTUs.

b. Increasing the Hot Water ow.

c. Gradually add Cold water.

NOTE: Adding Cold water to may cause the Water Heater to “limit” if the Hot Water temperature

approaches the 131 degree (F) range which may happen if the Hot water ﬂow decreases to

below 1 Gallon per Minute (GPM).

WINTERIZATION

Freezing of the water heater and its plumbing components will result in severe damage not

covered by warranty. For this reason it is advisable to follow the recommendation(s) below if

the unit is to be stored in a freezing environment or for long periods of time. At the start of the

winter season or before traveling to a location where freezing conditions are likely, the unit must

be winterized. The very small amount of water present in the heat exchanger DOES NOT require

the installation of a bypass kit. Winterization can be accomplished using one of the two common

methods of winterization used for RV water systems:

• Compressed Air method: Drain all water from the system opening one tap at a time and

using compressed air to purge all remaining water.

• Anti-freeze method: Follow the recommendations of the Recreational Vehicle manufacturer

and ll the system with a non-toxic anti-freeze. Make sure that the anti-freeze ows from each

tap to complete the process.

13Page

WINTER USE DEVICE (WUD)

If you wish to operate the water heater in potentially freezing conditions the

model GSWH-1M has a built in thermostat that will start the burner whenever the

temperature of the Heat Exchanger falls below 38ºF and will automatically shut off

when it senses a temperature in excess of 58 ºF.

IMPORTANT:

To allow the WUD device to operate you must have sufcient LP Gas in the tank

and you must leave the unit powered with the ON / OFF switch in the ON position

at all times that freezing may occur. It will not protect the entire RV’s plumbing

system. The RV must be designed for winter use/freezing conditions.

PRESSURE - TEMPERATURE RELIEF VALVE

This water heater is equipped with a temperature and pressure relief valve that complies with

the standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Systems, ANSI

Z21.22.

THIS VALVE IS A SAFETY COMPONENT AND MUST NOT BE REMOVED FOR ANY REASON

OTHER THAN REPLACEMENT.

WARNING – SCALDING INJURY-EXPLOSION

• Valve is not serviceable; if defective it must be replaced.

• Tampering with valve will result in scalding injury. Do not place a plug or

reducing coupling on outlet part of valve. If you use a discharge line allow

complete drainage for both valve and line.

• Tampering with valve will void the warranty.

14Page

WHEN REPLACING THE PRESSURE – TEMPERATURE RELIEF VALVE

• DO NOT install anything less than a combination pressure–temperature relief valve certied

by a nationally recognized testing laboratory that conducts periodic inspections of such

products and certies them as meeting the requirements for Relief Valves and Automatic Gas

Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22. Valve must have a maximum set

pressure not to exceed 150 psi.

• Install valve into opening provided and marked for this purpose on water heater.

• Installation must conform with local codes or in the absence of local codes, American National

Standard for Recreational Vehicles, ANSI A119.2/NFPA 501C

Functional Description

We include here additional information needed to identify the various components of the system

in order to facilitate communications of the user with Girard Products or an authorized Service

Center for any questions regarding the proper operation of the water heater. The model GSWH-

1M consists of the following main sub-systems and components:

1. Water Sub-System:

1.1. Flow Switch

1.2. Heat Exchanger

1.3. Limit Switch / Emergency Cut-Off (ECO): (Normally closed; open T>131°F)

1.4. P/T Valve: to provide pressure relief in case of overheating

2. Gas Sub-System

2.1. Gas Control Regulator.

2.2. Gas Modulator Valve

2.3. Burner (Blade type; high efciency)

3. Flue Sub-System

3.1. Flue Collector

3.2. Exhaust Blower

3.3. Flue outlet

4. Electrical Sub-System

4.1. 12VDC connection wires

4.2. Power switch

4.3. Blower Motor

4.4. Microprocessor based Circuit Board (Spark Igniter, Safety and Diagnostics)

4.5. Spark Igniter

4.6. Sail switch to detect air ow at the exhaust.

4.7. Gas Modulator Control (GMC) connection wire

In the following pages we present:

1. Figure 9: Shows an exploded view of the GSWH-1M water heater with identication labels for

all components.

2. Figure 10: A wiring diagram with all electrical components showing all interconnections

and the wire colors adopted.

3. Figure 11: A Circuit Ladder Diagram to illustrate the Control logic and functionality of

each electrical component

15Page

Figure 8

Flame

sight

hole

Flame at top of burner

MAINTENANCE

Routine Maintenance

We recommend that the GSWH-1M water heater be inspected monthly by the user and at least

once a year by a Girard Products LLC recommended service technician.

Before an inspection, make sure that the LP Gas and Water systems are turned on. Purge air out

of ALL hot and cold water lines.

A routine inspection must include the following items:

1. Inspect the integrity of the sealing (caulking or tape) between the side wall and the door

of the water heater and ensure that the unit is solidly mounted to the vehicle.

2. Verify that the air inlet openings (louvers) are completely open and clear of any debris

including mud, leaves, twigs, insects etc. Remove all obstructions to allow full air ow.

3. Insects, including mud wasps and spiders, can build nests in the Exhaust Tube Outlet and

Exhaust Collector which will affect the performance of the unit. Inspect the Flue Outlet Tube

and Exhaust Collector to make sure that they are unobstructed and that the screen is clean. If

debris or insects are present, clean and vacuum to remove any remaining debris. The use of

any type of aftermarket screen to cover the vent is not permitted and will void the warranty.

4. Open the cover and verify that no debris or extraneous combustible materials are present

anywhere (especially in the area of the burner and the gas controls); remove any item present

and wipe clean the bottom of the housing.

5. Inspect the interior surface of the housing for any cracks or corroded areas that could allow

penetration of gases into or out of the interior of the vehicle. Check especially around the Hot

Water, Cold Water, Gas and electrical connections.

6. There is a screen on the Water Heater inlet water line connection, unscrew the water line

connection from water inlet and check the screen to ensure no debris.

7. Check that all wire connections are rmly in place and there are no signs of chang or cracks

on the insulation. Verify that the spark ignition cable between the Control Board and the igniter

is securely in place and not shorted to any metal component.

8. At least once a year activate the Relief Valve by lifting the lever on top of the

valve. MAKE SURE THAT THE WATER HEATER HAS NOT BEEN ON RECENTLY AND THE

WATER FLOWING FROM THE HOT WATER OUTLET IS COLD.

9. Turn on the power to the water heater and

open a hot water faucet to inspect

the ame of the burner. The ame should

be of the normal bluish appearance

that indicates proper combustion. This can

be accomplished by observing the

ames through the sight hole and looking

at the burner under the edge of the

heat exchanger (See Figure 8).

16Page

Troubleshooting

Whenever the user opens a hot water faucet,

the water activates the “Flow Switch”, which

provides a thermostatic request to the Circuit

Board for Ignition. Upon the request the Circuit

Board performs the following tasks:

1. Microprocessor reset and self-check

2. Verication that no ame is present

3. Verication that the Sail Switch is open

4. Turn on the Blower

5. Upon detection of combustion air ow,

starts the ignition routine by opening the

gas valve and supplying the rst sparking

sequence.

Normally the ignition trial is successful and

the user will start receiving warm water at the

faucet.

The Control Board detects the conditions

that could result in a hazardous situation

and either prevents the Gas ignition to occur

or immediately shuts down the ame by

interrupting the gas ow to the burner. The

failures detected by the Control Board are:

Failure to light

If the burner fails to light, or if ame is not

detected during the rst ignition attempt, the

gas valve is de-energized and the control goes

through an inter-purge delay before ignition

is attempted again. The control will attempt

two additional ignition sequences before going

into ‘LOCKOUT’ after which the valve relay

will remain de-energized and the blower will

turn off after a ve minute delay. (Lockout

Condition)

Recovery from ‘lockout’ requires a manual

reset by either resetting the thermostatic

demand (turning off the water ow) or turning

off the power for a period of 5 seconds and

then opening the HOT Water Faucet.

Flame failure

If the established ame signal is lost while the

burner is operating, the control will respond

within 0.8 seconds, the gas valve is de-

energized and a new inter-purge and

ignition routine will begin. If the burner does

not light, the control will de-energize the gas

valve and will make two more attempts to

relight the burner. If the burner does not relight

after the three trials the control will

go into LOCKOUT as noted above in “Failure

to light”. If ame is re-established, normal

operation resumes.

Combustion airow problems

If the airow signal is lost, or the hi-limit switch

(See Notice Page 11) opens during operation,

the gas valve is immediately

de-energized and the blower stays on. If the

switch closes again, a normal ignition sequence

will resume. If not, and if this condition persists

for more than ve minutes, the control will enter

lockout with the blower off.

Diagnostics feature

If the unit stops operating normally, please

check the LED indicator on the user panel. If the

LED is on or blinking, the blinking pattern will

notify you of the fault detected by the Control

Board as follows:

• Steady On - Internal Control Fault

• 1 Flash - Air Fault

• 2 Flashes - Flame Detection Error

• 3 Flashes – Lockout

• 4 Intentionally ‘NA’ – Reserved for

Future Diagnostics

• 5 Flashes - Low voltage

The blinking LED pattern will be repeated at

intervals of three (3) seconds.

17Page

Figure 10 - WIRING DIAGRAM

Figure 9 - EXPLODED VIEW OF MODEL GSWH-1M AND MAJOR COMPONENTS IDENTIFICATION

18Page

BTU/HR 18,000 - 36,000

Fuel Propane (LP Gas)

Inlet Pressure 11” WCI Min to 14” WCI Max

Manifold Pressure 10” – 10.5” WCI

Power Input 12VDC < 3 amp

Water Operating Pressure 125 PSI Max

Dimension Width: 12.5” - Height: 12.5” - Depth 15.5”

Shipping Weight 22 lbs.

ECO max Temperature 131°F

Specications

The table below summarizes the main performance specications of the Model GSWH-1M.

Figure 11

Girard Products, LLC warrants to the original owner (purchaser) that this product will be free of

defects in material or workmanship for a period of two years from the original date of purchase

whether or not actual usage begins on that date. Girard Products liability hereunder is limited to

the replacement of the part(s), repair of the part(s), or replacement of the product or part(s) with a

reconditioned or new product/part(s) at the discretion of the Girard Products. This warranty is void

if the product has been damaged by accident, unreasonable use, misuse, neglect, tampering or

other causes not arising from defects in material workmanship. This limited warranty extends to the

original owner of the product only, is not transferrable and is subject to the following conditions:

1. For a period of two years from the date of purchase, Girard Products will replace any parts that

are found defective and will pay a warranty service allowance directly to the recommended Girard

Products Water Heater Service Center at rates mutually agreed upon between Girard Products and

its recommended service centers. As an owner, you are required to provide proof of purchase date

through a Bill of Sale or other appropriate record.

2. Replacement parts will be shipped FOB the shipping point within the Continental United States,

Alaska and Canada to the recommended service center performing such repairs. All freight,

shipping and delivery costs shall be the responsibility of the owner.

3. Service calls to customer’s location are not considered part of these charges and are, therefore,

the responsibility of the owner.

4. Before having warranty repairs made, conrm that the service center is a recommended

service center for Girard Products, LLC Water Heaters. DO NOT PAY THE SERVICE CENTER FOR

WARRANTY REPAIRS WITHOUT PRIOR APPROVAL FROM GIRARD PRODUCTS, LLC; SUCH

PAYMENTS WILL NOT BE REIMBURSED.

5. The defective parts (or water heater) become the property of Girard Products, LLC and may need

to be returned to Girard Products Technical Support Department. Girard Products reserves the right

to examine the alleged defective part or water heater. All returned parts and/or product must be

individually tagged with the water heater’s model, serial number, date of installation and detailed

explanation of defect.

6. This warranty does not cover the following items classied as normal maintenance:

• Adjustment of gas pressure

• Cleaning or adjustment of ue

• Adjustment of pressure-temperature relief valve

• Cleaning, replacement, and adjustment of burner orice

7. This warranty applies only if the unit is installed according to the installation instructions provided

and complies with local and state codes.

8. The warranty period on replacement parts (or water heater) is the unused portion of the original

warranty period or ninety (90) days, whichever is greater.

9. This limited warranty does not apply to damage caused by accident, abuse, misuse (including

damage caused by service performed by anyone who is not a Girard Products LLC recommended

installer), misapplication, alterations, modications, water damage or freezing.

10. THIS WARRANTY AND THE REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN

LIEU OF ALL OTHER WARRANTIES, REMEDIES AND CONDITIONS, WHETHER ORAL OR

WRITTEN, EXPRESS OR IMPLIED. GIRARD PRODUCTS LLC SPECIFICALLY DISCLAIMS ANY

AND ALL IMPLIED WARRANTIES, INCLUDING WITHOUT LIMITATION, WARRANTIES OF

19Page

GIRARD PRODUCTS, LLC GSWH-1M WATER HEATER TWO YEAR LIMITED WARRANTY

20Page

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

IF GIRARD PRODUCTS LLC CANNOT LAWFULLY DISCLAIM IMPLIED WARRANTIES

UNDER THE LIMITED WARRANTY, ALL SUCH WARRANTIES, INCLUDING WARRANTIES

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN

DURATION TO THE DURATION OF THIS WARRANTY.

NO RESELLER, AGENT, OR EMPLOYEE IS AUTHORIZED TO MAKE ANY MODIFICATION,

EXTENSION OR ADDITION TO THIS WARRANTY. GIRARD PRODUCTS LLC IS NOT

RESPONSIBLE FOR DIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES

RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION, OR UNDER ANY

OTHER LEGAL THEORY, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DOWNTIME,

INCONVENIENCE, GOODWILL, EXPENSES FOR TRAVEL, LODGING, DAMAGE TO OR

REPLACEMENT OF EQUIPMENT AND PROPERTY.

11. Some states and provinces do not allow the exclusion or limitation of incidental or

consequential damages or exclusion or limitations on the duration of implied warranties or

conditions, so the above limitations or exclusions may not apply to you. This warranty gives you

specic legal rights, and you may also have other rights that vary by state or province.

12. Replacement parts purchased outside of the original water heater warranty carry a 90 day

limited warranty.

13. Girard Products provides no warranty for products installed or warranty claims originating

outside the continental United States, Alaska, Hawaii and Canada.

Service

Your Girard Tankless Water Heater is manufactured to the highest standards and is designed

to provide years of trouble free use but in the event you require service please follow the steps

outlined below. Remember as an owner, you are required to provide proof of purchase date

through a Bill of Sale or other appropriate record.

1. If your RV has its original water heater and is still under the RV manufacturer’s warranty,

follow the steps suggested by your dealer or the manufacturer of your RV.

2. Contact Girard Products Water Heater Service Center or call the Girard Products Technical

Support Department at 949-259-4024 or visit our website at www.greenrvproducts.com for a

local recommended service center.

3. Call the service center, describe your problem and make an appointment, if necessary.

SERVICE CALLS TO CUSTOMER LOCATION ARE THE RESPONSIBILIY OF THE OWNER. DO

NOT PAY THE SERVICE CENTER FOR WARRANTY REPAIRS WITHOUT PRIOR APPROVAL

FROM GIRARD PRODUCTS, LLC; SUCH PAYMENTS WILL NOT BE REIMBURSED. Be sure to

provide purchase documentation regarding your Girard Water Heater.

This Girard Products Water Heater is designed for use in recreation vehicles for the

purpose of heating water as stated in the “rating plate” attached to the water heater.

Any other use, unless authorized in writing by the Girard Products Engineering

Department, voids this warranty.

GIRARD PRODUCTS, LLC

1361 CALLE AVANZADO, SAN CLEMENTE, CA 92673

949-259-4024 • www.greenrvproducts.com

WARRANTY/GSWH-1M (2/8/2012)

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