RADSON vido Mode d'emploi

Please leave this manual with the end user.

Part Number: 1370071

Product Serial Number:

VIDO - HEATING & COOLING

INSTALLATION, OPERATING, MAINTENANCE & AFTER SALES MANUAL

VIDO - CHAUFFER & REFROIDIR

MANUEL D’INSTALLATION, D’UTILISATION ET DE SERVICE

VIDO - VERWARMEN & KOELEN

INSTALLATIE-, GEBRUIKERS- EN SERVICEHANDLEIDING

Contents

1.0 Introduction 03

2.0 Warnings & Safety Measures 03

3.0 Heating System Design 03

4.0 Unit Selection/Sizing 04

5.0 Location 04

6.0 Preparation 05

7.0 Fixing 06

8.0 Water Connection 07

9.0 Electrical Connection 10

10.0 Commissioning Procedure 14

11.0 Technical Data 15

12.0 Control System Set-up and Operating Instruction 17

12.1 Unit Operation 17

12.2 Operating Modes 19

12.3 Installer’s Set-up Parameters 20

12.4 Building Management System Input Set-up 20

12.5 Program Mode 21

13.0 Troubleshooting

22

14.0 Maintenance 23

15.0 Accessories 23

16.0 Spare Parts 24

02

03

1.0 Introduction

2.0 Warnings & Safety Measures

This heater/cooler fan convector is designed for use on

central heating systems or heating and cooling systems in

homes and commercial environments. Models are available

with 2 and 4-pipe connections.

The control system provides thermostatic room temperature

and automatic fan speed control, and allows operation on a

stand-alone basis, or by integration into building management

systems.

The unit is fitted with a washable air filter that can be easily

removed for cleaning (see Section 14).

A range of accessories are available for this product including

control valves and condensate pumps for cooling installations (see

Section 15).

l Please carefully follow the instructions and guidelines

contained in this manual during installation. Always perform

each step in sequence.

l Inspect this product for concealed shipping damage prior to

installation. If items are damaged or missing please contact

your supplier.

l This fan convector must be installed by qualified engineers.

l This fan convector must not be installed immediately below a

socket outlet.

l Do not install this fan convector in areas where excessive

dust exists.

l This appliance is not intended for use by persons (including

children) with reduced physical, sensory or mental

capabilities, or lack of experience or knowledge, unless they

have been given supervision or instruction concerning use

of the appliance by a person responsible for their safety.

Children should be supervised to ensure that they do not play

with the appliance.

l The manufacturer accepts no liability for damage or injury

caused by failure to adhere strictly to the safety precautions

and instructions contained in this manual, or by negligence

during the installation of the product and any accessories

described in this manual.

l For the correct installation of this unit it is essential that

fixing is carried out in such a way that it is suitable for

intended use and predictable misuse. A number of elements

need to be taken into consideration including the fixing

method used to secure it to the wall, the type and condition

of the wall itself, and any additional potential forces or

weights that may happen to be applied to the unit, prior to

finalising installation.

l Please leave this manual with the end user.

3.0 Heating System Design

1.02.0

3.0

This manual should be read carefully prior to installation and retained by the customer for future reference.

This heater/cooler should only be used on closed circulation, two pipe, pump assisited central heating systems

or heating and cooling systems.

This unit MUST NOT be installed in a bathroom or other high humidity area.

This appliance must be earthed.

DO NOT cover or obstruct the air inlet or outlet grille.

Disconnect the unit from the power supply before carrying out any maintenance work.

This heater/cooler fan convector is designed for wall mounted

installation.

For optimum fan convector performance the system must be

capable of providing sufficient flow of water through the heat

exchanger at the correct temperature. This means that:

1. The unit is not suitable for use on microbore pipework.

2. This unit is not suitable for 1 pipe systems.

3. Optimum performance will require effective balancing of the

whole system. Each emitter on the circuit should be checked

and valves adjusted so that the required water flow rate

through each unit is achieved (see Section 15).

4. Where the unit is fitted on to a system with other emitters a

separate circuit for the fan convector should be considered

in order to provide sufficient flow through the unit.

5. The system water must be above 32°C for heating mode and

below 15°C in cooling mode.

6. This unit must not be used to replace a radiator in an existing

heating system unless an adequate flow of water through the

unit can be guaranteed (see Section 11).

04

3.0 Heating System Design (continued...)

15mm

Note: Pressure independent balancing and connection sets

are available for this product as an accessory. These valve

kits will

maintain the flow in the unit to the required levels.

(See Section 15).

NB: Pipes should be sized using ﬂow rate and pressure losses.

4.0 Unit Selection/Sizing

Heating output performance data is given in the technical data

section of this manual (see page 15). Outputs are shown for the

three fan speeds, however, it is important to size the unit to match

the calculated heat loss requirements of the room with the unit

operating on the normal fan speed. The higher fan speeds are used

in Comfort mode when the room temperature is significantly lower

than the preset temperature.

Please Note: To utilise the boost outputs, the boiler must have the

sufficient capacity.

Note: It is also possible to electronically remove the highest fan

speed from the functionality of this unit via the control system

(see page 20). This may be advantageous on low temperature

systems to prevent cool air being blown into the room on the

highest setting.

When establishing the temperature difference, i.e. mean water to

room temperature difference, allowance should be made for the

temperature drop in the system. It is the water temperature at the

unit that dictates the output.

5.0 Location

This unit may be fitted to any convenient wall at a height from the

floor level that suits the application, providing an unimpeded flow

of air into the area to be heated/cooled.

For cooling applications, the need for disposal of condensate may

influence the position of the unit (see Section 15).

When the VIDO is ﬁtted to a stud wall, there may be an adverse

effect on the sound levels especially with the higher fan speeds.

No microbore pipework

Mount on a ﬂat

wall with

sufﬁcient side

clearance.

NO mounting

on uneven wall

surfaces.

05

6.0 Preparation

Before proceeding with the installation, remove the carton lid,

unpack the contents carefully and check against the checklist

below:

1. Heater/Cooler unit (chassis)

2. Outer casing

3. Warranty card

4. Instruction manual

5. Fixing kit

Check contents for concealed shipping damage.

Tools required:

Manual

Warranty

Grill

Grill hinge

Outer casing

Filter

Side cover

Control panel

Chassis

1

2

3

5

4

Mounting dimensions

Dimensions (mm)

Model

Dimensions (mm)

600x800 800 503

600x1000 1000 703

600x1200 1200 903

600x1400 1400 1103

600x1600 1600 1303

A B

3.0

4.05.0

6.0

06

7.0 Fixing

236

457

B

236

457

NOTE: Do not replace outer cover until connection to system and connection to electrical supply

has been completed.

1. 2.

3. 4.

5. 6.

Dimensions (mm) Dimensions (mm)

07

8.0 Water Connection

Before making the pipework connections refer to Section 3 for advice on System Design.

Note: For ease of installation the pipe connections are included with valve kit (see Section 15).

Connect the unit to the flow and return pipes, pipework can be

routed from the floor or through the wall at the back of the unit.

(See options below). Connections are G3/4”.

Connection directly onto the heat exchanger should be made using

straight connectors so that the pipework can more easily be routed

inside the unit.

For heating only applications the condensate collector mounted on

the chassis below the heat exchanger connections is not needed

and can be removed by unscrewing the two bracket fixing screws.

Removal of this component will aid pipework fitting when the

pipes are routed up from the floor.

For applications involving cooling, the pipework must be routed to

avoid the condensate collector. Connection to the heat exchanger

should be made using straight connectors so that the pipework can

more easily be routed past the condensate collector.

Pipe Routing Options

2-pipe connection

(The same options are possible for 4-pipe connection)

Note 1: The flow pipe should be connected to the bottom

connection of the heat exchanger.

Note 2: Isolating valves are not supplied with this unit,

but should be fitted in case of future service requirements.

The type and size of valves and their location should be suitable

for the application. Valves should be selected in accordance with

system temperature and pressure requirements whilst taking into

account pressure drop characteristics.

Note 3: External pipework carrying chilled water must be insulated.

Use a suitable sealant as necessary to ensure that condensate does

not spill or leak. Once connection to the system flow and return

pipes is made, any exposed internal pipework and isolating valves

must also be insulated.

83-108 mm* MAX

* Dimension from chassis side to pipe centre.

7.0

8.0

08

Dimensions 2-pipe

60

h >150

COOL OUT

HOT OUT

HOT IN

COOL IN

153

595

523

99

69

29

31

477

380

304

95

141

125

Dimensions 4-pipe

8.0 Water Connection (continued...)

Dimensions (mm)

09

8.0 Water Connection (continued...)

Ensure all water fittings are secure before filling the system.

Fill the system, open the valves fully and check pipe connections

for leaks and vent the heat exchanger.

Installations with chilled water will require provision for

condensate disposal in accordance with any local regulations.

A drain tray is fitted for condensate collection within the unit. This

should be connected to a 15mm drain pipe.

Alternatively a condensate disposal pump is available as an

accessory, e.g. for use on internal walls (see Section 15). This will

include the drain pipe.

Spiggot size

15mm O/D

Connecting tube

>15mm I/D

How to bleed/vent

Condensate drain connection

8.0

10

9.0 Electrical Connection

WARNING: This appliance must be earthed. The electrical installation must comply with local or national

wiring regulations.

l The electrical installation of this appliance should be carried

out by a qualified electrician in accordance with current

regulations.

l This unit is supplied with factory fitted test leads. Remove these

and discard.

l A fused electrical spur with a maximum 3A fuse and a switch

having 3mm separation on all poles must be provided in an

easily accessible position adjacent to the unit.

l Electrical cable entry to the unit should be made through the

underside of the unit, into the control box on the right hand

side using the cable gland provided. The supply cord must be

0.75mm² only.

l Connect the live and neutral wires to the power board

terminal connections, and the earth wire to the chassis earth

terminal.

For Building Management System

l Connect wires from BMS and valves as necessary, using the

same cable routing into the control box, and with the second

cable gland supplied.

1. Remove x 2 screws to access control panel 2. Remove control panel cover

11

9.0 Electrical Connection (continued...)

Refer to wiring diagrams below and on page 12-13.

After making the electrical connections replace the side cover to

the control box.

3. Routing cable

TRANSFORMER

L

N

Supply 230V

50Hz

FAN

POWER

BOARD

CONTROL

BOARD

WATER SENSOR

2-PIPE

AIR

SENSOR

R

W

Y

M+

T+

T-

M-

Lo

Med

Hi

BL

Y

W

R

BR

2-pipe 0 valve

9.0

12

9.0 Electrical Connection (continued...)

TRANSFORMER

L

N

Supply 230V

50Hz

FAN

POWER

BOARD

CONTROL

BOARD

WATER SENSOR

2-PIPE

AIR

SENSOR

2-PIPE 1 VALVE

Input* 230V 50Hz

24V 50Hz

24V DC

+

-

R

W

Y

M+

T+

T-

M-

Lo

Med

Hi

BL

Y

W

R

BR

2-pipe 1 valve

TRANSFORMER

L

N

Supply 230V

50Hz

FAN

POWER

BOARD

CONTROL

BOARD

WATER

SENSOR

2-PIPE

AIR

SENSOR

Input* 230V 50Hz

24V DC

24V 50Hz

COM

FAST

SLOW

COOL

HEAT

BUILDING

MANAGEMENT

SYSTEM

Lo

Med

Hi

BL

Y

W

R

BR

+

-

24V AC 0.6A Max

R

W

Y

M+

T+

T-

M-

2-pipe 1 valve + BMS

*Voltage free contacts - 230V 50Hz supply needed accross CO+ and COM- to energise actuator.

If you are using the valves please refer to

the Valve Kit Instructions.

If you are using the valves please refer to

the Valve Kit Instructions.

13

9.0 Electrical Connection (continued...)

TRANSFORMER

L

N

Supply 230V

50Hz

FAN

POWER

BOARD

CONTROL

BOARD

WATER

SENSOR

2-PIPE

AIR

SENSOR

Input* 230V 50Hz

24V 50Hz

24V DC

+

-

R

W

Y

M+

T+

T-

M-

Lo

Med

Hi

BL

Y

W

R

BR

HOT

COLD

WATER SENSOR

4-PIPE COOLING

ONLY

4-pipe 2 valve

TRANSFORMER

L

N

Supply 230V

50Hz

FAN

POWER

BOARD

CONTROL

BOARD

Input* 230V 50Hz

24V 50Hz

24V DC

+

-

R

W

Y

M+

T+

T-

M-

Lo

Med

Hi

BL

Y

W

R

BR

HOT

COLD

24V AC 0.6A Max

BUILDING

MANAGEMENT

SYSTEM

HEAT

COOL

SLOW

FAST

COM

WATER

SENSOR

2-PIPE

AIR

SENSOR

WATER SENSOR

4-PIPE COOLING

ONLY

4-pipe 2 valve + BMS

If you are using the valves please refer to

the Valve Kit Instructions.

If you are using the valves please refer to

the Valve Kit Instructions.

*Voltage free contacts - 230V 50Hz supply needed accross CO+ and COM- to energise actuator.

9.0

10.0 Commissioning Procedure

1. l Fill and vent the system.

 l Open all valves fully and vent air from the heat exchanger.

 l Check for leaks at pipe connections.

2. l Refit the outer casing and secure with the 2 screws.

 l Switch on the electrical supply.

 l Check the operation of the unit by following the operating

instructions.

3. l Set up the installation parameters on the controls system

as necessary.

 l When installation and commissioning are complete, hand

over the instruction manual to the end user.

1

3

14

2

11.0 Technical Data

Performance Data 2-Pipe

Relative Humidity: Sensible cooling at 50%.

Model

Flow

(l/h)

∆

T20

∆

T25

∆

T30

∆

T35

∆

T40

∆

T45

∆

T50

Heat Output (Watts) Cooling (Watts)

Condition 7-12-27

Fan

Speed

Normal 341 738 940 1146 1355 1567 1781 1997

Medium 341 989 1260 1537 1817 2101 2388 2678

Boost 341 1360 1733 2113 2499 2889 3284 3682

Normal 450 1012 1289 1572 1859 2149 2443 2739

Medium 450 1352 1723 2101 2484 2872 3265 3661

Boost 450 1892 2412 2941 3477 4020 4569 5124

Normal 600 1214 1548 1887 2231 2580 2932 3288

Medium 600 1643 2094 2553 3018 3490 3967 4448

Boost 600 2409 3070 3743 4425 5117 5815 6521

Normal 700 1428 1820 2219 2624 3034 3449 3867

Medium 700 1945 2478 3022 3573 4131 4695 5265

Boost 700 2916 3716 4531 5357 6194 7040 7894

Normal 800 1647 2099 2560 3027 3499 3977 4460

Medium 800 2246 2863 3491 4127 4772 5424 6082

Boost 800 3422 4362 5318 6288 7270 8263 9266

600x800

600x1000

600x1200

600x1400

600x1600

Total Sensible

707 527

1126 829

1648 1227

1011 753

1600 1178

2304 1716

1520 931

1960 1442

2918 2173

1490 1110

2320 1707

3533 2631

1729 1288

2679 1972

4147 3088

For BTUs multiply Watts by 3.412.

Performance Data 4-Pipe

Relative Humidity: Sensible cooling at 50%.

Model

Flow

(l/h)

∆

T20

∆

T25

∆

T30

∆

T35

∆

T40

∆

T45

∆

T50

Heat Output (Watts) Cooling (Watts)

Condition 7-12-27

Fan

Speed

Normal 300 517 658 802 949 1097 1247 1398

Medium 300 692 882 1076 1272 1471 1672 1875

Boost 300 952 1213 1479 1749 2022 2299 2577

Normal 350 708 902 1100 1301 1504 1710 1917

Medium 350 946 1206 1471 1739 2010 2286 2563

Boost 350 1324 1688 2059 2334 2814 3198 3587

Normal 400 850 1084 1321 1562 1806 2052 2302

Medium 400 1150 1466 1787 2113 2443 2777 3114

Boost 400 1686 2149 2620 3098 3582 4071 4565

Normal 450 1000 1274 1553 1837 2124 2414 2707

Medium 450 1362 1735 2115 2501 2892 3287 3686

Boost 450 2041 2601 3172 3750 4336 4928 5526

Normal 500 1153 1469 1792 2119 2449 2784 3122

Medium 500 1572 2004 2444 2889 3340 3797 4257

Boost 500 2395 3053 3723 4402 5089 5784 6486

600x800

600x1000

600x1200

600x1400

600x1600

TotalFlow (l/h)

Sensible

350 672 501

350 1070 788

350 1566 1166

450 960 715

450 1520 1119

450 2189 1630

600 1444 884

600 1862 1370

600 2772 2064

700 1416 1055

700 2204 1622

700 3356 2499

800 1643 1224

800 2545 1873

800 3940 2934

For BTUs multiply Watts by 3.412.

15

10.011.0

16

All VIDO models require an electrical supply of 220-240V 50Hz

fused at 3A.

Electrical Data

The VIDO should be sized based on “normal” outputs.

Flow Rates/Pressure Losses

100 0.7 1 1.4 1.6 1.9

150 1.4 2.1 2.9 3.2 3.7

220 2.9 4.1 5.5 6.1 7.1

330 6.1 8.5 11.1 12.2 14.2

500 13 17.8 22.9 24.9 28.7

750 27.5 36.5 46.2 49.8 57.1

Pressure Loss (kPa)

2 Pipe Heating/Cooling & 4 Pipe Cooling

100 1.4 2 2.8 3.2 3.8

150 2.8 4.2 5.8 6.4 7.4

220 5.8 8.2 11 12.2 14.2

330 12.2 17 22.2 24.4 28.4

500 26 35.6 45.8 49.8 57.4

4 Pipe Heating

Flow

(l/h)

600x800 600x1000 600x1200 600x1400 600x1600

Air Flow Rates

Normal 90 135 180 225 270

Heating Medium 148 221 295 369 443

Boost 247 370 493 616 740

Normal 65 98 130 163 195

Cooling Medium 110 165 220 275 330

Boost 202 302 403 504 605

Air Flow m

3

/h

Condition

600x800 600x1000 600x1200 600x1400 600x1600

Fan

Speed

11.0 Technical Data (continued...)

Model

Dimensions

Model

Nominal Height

(mm)

Depth

(mm)

Length

(mm)

600x800 600 153 800

600x1000 600 153 1000

600x1200 600 153 1200

600x1400 600 153 1400

600x1600 600 153 1600

600x8000 24.8 37.7 47.9

600x1000 27 35.8 47.9

600x1200 24 40.5 51.7

600x1400 24.9 35.5 54.8

600x1600 27 35 56.3

Sound Levels

Sound levels tested in accordance with ISO 3741.

Note: 2 pipe water content = 2 pipe heating/cooling

or 4 pipe cooling and 4 pipe water content = 4 pipe heating.

Sound Pressure (dBA) (at 2.5m)

Normal Medium Boost

600x800 32 0.66 0.33 22.8 24.8

600x1000 35 0.92 0.46 27.7 30.1

600x1200 44 1.19 0.6 32.5 35.3

600x1400 53 1.45 0.73 37.5 40.7

600x1600 65 1.72 0.86 42.6 46.2

Model

Motor

Power

(W)

2 Pipe

Water

Content (I)

4 Pipe

Water

Content (I)

2 Pipe

Unpacked

Weight (kg)

4 Pipe

Unpacked

Weight (kg)

Weight, Water Content and Motor Power

17

12.0 Control System Set-up and Operating Instruction

General Description

The electronic control system on this unit provides a wide range of

options that can be selected according to system complexity and

operating requirements.

The unit is factory set to ‘Easy Mode’ giving thermostatic

temperature control, fan only option and clock function.

Additional functions are available if necessary from the Full

operating mode menu.

A range of additional parameters and features can be changed or

activated in a further set up menu should these be required.

Easy Mode

Turn on Electrical Supply

Easy Mode

(Factory Default)

Full Mode

Use ( ) and ( ) keys to select

operating mode (Refer to

section 12.2 for details)

Setup parameters

(Refer to section 12.3

for details)

Full Mode

Select Clock

and set time

Select Comfort setting

Set room temperature to

desired setting (default 21°C).

Fan runs in heating/cooling

Fixed fan setting

Comfort setting

Clock setting

Power on/off

Fixed fan setting

Comfort setting

Auto setting

Night set-back setting

Holiday setting

Power on/off

Clock setting

Program menu

Auto

P

Press & hold (+) & (-) for 5 secs

to change between modes

Press & hold (+) & (-)

for 5 secs to change

between modes

Select Auto mode and

press (OK) for 10 secs

12.1 Unit Operation

Use ( ) and ( ) keys to choose from the operating modes

described in section 12.2. A function is selected when the relevant

icon is highlighted by

.

Flow Rates/Pressure Losses

100 1.4 2 2.8 3.2 3.8

150 2.8 4.2 5.8 6.4 7.4

220 5.8 8.2 11 12.2 14.2

330 12.2 17 22.2 24.4 28.4

500 26 35.6 45.8 49.8 57.4

See our Easy Mode

video on our website.

11.0

12.0

18

12.1 Unit Operation (continued...)

Easy Mode Display

1. Heating indicator

2. Cooling indicator

3. Temperature symbol – when this is displayed

the current room temperature is displayed

4. Fan speed symbol (fan blades will rotate when active)

5. Comfort setting

6. Power (on/off)

7. Clock setting

8. Room temperature

9. Time

10. Day of the week

Keys:

OK Validation key (OK)

+ Plus key (up)

- Minus key (down)

Navigation left

Navigation right

Full Mode Display

The full control display can be accessed by pressing the (+)

and (-) buttons for 5 seconds. This action can be repeated to

revert back to ‘Easy Mode’.

1. Heating indicator

2. Cooling indicator

3. Temperature symbol – when this is displayed

the current room temperature is displayed

4. Fan speed symbol (fan blades will rotate when active)

5. Comfort setting

6. Power (on/off)

7. Clock setting

8. Room temperature

9. Time

10. Day of the week

11. Auto setting (to follow set programme)

12. Night set-back setting

13. Holiday setting

14. Program menu

15. Program schedule

Keys:

OK Validation key (OK)

+ Plus key (up)

- Minus key (down)

Navigation left

Navigation right

19

12.2 Operating Modes

Use ( ) and ( ) keys to choose from the following parameters.

A function is selected when the icon is surrounded by

.

Function AdjustmentDescription

Availability

Easy Full

Control Operation Setup

The unit must be programed for operation

in heating only, cooling only or heating and

cooling.

Control Operation Setup

Scroll to the Fixed Fan mode , and then press

on the (

) key.

Use (+) or (-) keys to choose from

the following:

Nod (Mode) HOt for heating.

Nod (Mode) COLd for cooling.

Nod (Mode) AUtO for heating and cooling.

Press (OK) to confirm.

Fixed Fan Setting

F1, F2, F3 gives fan speed 1,2 or 3 respectively

with no temperature control. A1, A2, A3 gives fan

speed 1,2 or 3 respectively in heating only

if the water temperature ≥32°C.

Use (+) or (-) to select and press (OK) to confirm.

(Note the fan speed symbol will only appear when

the fan is running).

Comfort Setting

Provides room temperature control with

automatic fan speed adjustment according to

difference between actual and set temperature.

The fan operates when water ≥32°C in heating or

≤15°C cooling.

Press (OK) to view the set temperature.

Use (+) or (-) to adjust the required room

temperature. Default setting is 21°C in Heating.

Automatic Setting

The unit will run according to one of the 9

preset timed programs, or one of the 4 user

defined programs.

See section 12.5 for program options

and setup.

Press (OK) to view the actual set

temperature (Comfort or Set-back).

Night Set-back Setting

Provides room temperature control with

automatic fan speed adjustment according

to difference between actual and night set-back

temperature.

Press (OK) to view the set temperature.

Use (+) or (-) to adjust the required room

temperature. Default setting is 19°C in

Heating.

Holiday Setting

Provides frost protection or overheat protection

during periods of absence (holiday). The control

will count down the time to “00” after which

control is resumed in Auto setting. For frost

protection the set temperature is 7°C.

For overheat the set temperature is 30°C.

Select

and is displayed.

Use the (+) and (-) to adjust the duration.

(In hours “H” if below 24H and then in days

“d”).

Use the (-) key to interrupt this period and

adjust the duration on “no”.

Power On/Off

Turns unit on/off.

Press (OK) to turn the power on or off.

Set Clock Menu

Displays time in 12h or 24h format.

Press (OK)

Use the (+) and (-) keys to set the minutes.

Press (OK)

Use the (+) and (-) keys to set the hours.

Press (OK)

Use the (+) and (-) to set the days. Press (OK).

Program Menu

Provides choice from 9 pre-programed and

4 user defined timed programs.

See section 12.5 for full details.

No Yes

Yes Yes

No Yes

Yes Yes

No Yes

Auto

P

12.0

20

12.3 Installer’s Set-up Parameters

The various parameters that can be defined by the installer are

shown in the table below.

To access the installation parameters menu, scroll to AUTO, then

press (OK) for 10s.

Use (

) and ( ) keys to highlight the parameter to be

adjusted.

Press (OK) to toggle the parameter setting or edit the value.

If the value starts to blink, use (+) and (-) keys to adjust the value.

When the value is adjusted to the desired setting, press (OK)

to confirm.

Once parameters are set, go to <End> parameter and press (OK) to

go back to the main menu.

12.4 Building Management System Input Set-up

If the unit is integrated into a Building Management System,

control of the unit will be by BMS input only. The BMS

alternative setting from the parameters menu must be selected.

On the main screen the AUTO symbol will be turned off.

P1: Low fan speed input: P1 is indicated where the Room

temperature / set temperature is shown normally.

F1 is ON

P2: High fan speed input: P2 is indicated where the Room

temperature / set temperature is shown normally.

F3 is ON

P3: WINT MODE: Winter mode is used for system regulation.

Heating indicator flashes in this mode.

P4: SUMM MODE: Summer mode is used for system regulation.

Heating indicator flashes in this mode.

If the BMS inputs are wrong (e.g. P1 + P2 or P3 + P4), a message ERR

BMS will flash and the system stops BMS control.

Parameter

Name

Default SettingDescription Alternative Setting

Select temperature scale.dEG °C °F

Select the hour format.00:00 24H 12H

Fan pulse will switch on the fan for 30 seconds every

5 minutes. This will draw air over the air sensor if unit is

mounted where air circulation is restricted.

AiPu YE5

(Yes)

NO

(No)

Selection of the number of valves to be driven.

This parameter depends on the system design.

Nb vAL

(2 Pipe

models only)

0 valve 1 valve

Allows the maximum fan speed to be switched off - the

unit will only run in Low and Medium speeds.

FAS SPEE FA5

For Fast

NEd

For Medium

Select whether control is from the internal controls

system or from external BMS.

SetU AUt

(Auto)

bN5

(For BMS)

Select option for fan speeds when the unit reverts to

night set back in cooling operation.

NIGt NOr

(For Normal regulation)

AL1

(Fan speed 1 only)

Reverts the control back to factory settings.CLr ALL Press (OK) for 5 seconds

Exit the installation menu.End Press (OK)

Calibration of the internal air sensor against the actual

room temperature.

(The calibration must be done after 12 hours working at

the same set temperature).

AIr

(Air)

To adjust the air sensor temperature, enter the

measured temperature using the (-) or (+) keys.

To confirm the calibration, press (ok)

Press (+) and (-) keys at the same time to reset

the offset value.

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