Calorex Variheat AA/AW Series Installation guide

1

1008519 ISSUE 1 M172 VARIHEAT

Variheat system

AW1200/1500

Owner installation manual (1008519 issue 1)

3

1008519 ISSUE 1 M172 VARIHEAT

HEALTH AND SAFETY WARNING

As e dehumidiﬁer embodies electrical and rotational equipment, ONLY competent persons

should carry out any work on is type of machine.

(SEE GUARANTEE)

HEATH AND SAFETY WARNING ..............................................4

FEATURES OF THE VARIHEAT RANGE .................................... 5

1.2 HOW TO USE THE VARIHEAT .............................................6

1.3 TOUCHSCREEN USER INTERFACE ....................................7

1.4 DATA ENTRY ...................................................................... 13

2.0 USER SETTINGS ................................................................ 14

2.1 ADVANCED SETTINGS ..................................................... 24

2.2 REMOTE ACCESS TO THE VARIHEAT TOUCHSCREEN 31

3.0 INSTALLATION .................................................................. 34

3.1 SITING, MACHINE LOCATION ......................................... 35

3.2 FRESH AIR AND EXHAUST AIR ...................................... 37

3.3 PLUMBING INSTALLATION ............................................. 38

3.4 DETERMINING WATER FLOW ......................................... 39

3.5 ELECTROLYTIC CORROSION IN SWIMMING POOLS .. 42

3.6 ELECTRICAL CONNECTIONS .......................................... 43

3.7 ELECTRICAL INSTALLATION ........................................... 44

3.8 VOLT FREE TERMINALS AND REMOTE ACCESS ......... 46

3.9 NETWORK CONNECTION ................................................ 49

3.10 BMS CONNECTION

(BUILDING MANAGEMENT SYSTEM) .................................. 50

3.11 OPTIONAL REMOTE SENSOR BOX ............................. 51

4.0 AFTER INSTALLATION ..................................................... 52

4.1 MAINTENANCE ................................................................. 53

4.2 CIRCUIT DIAGRAMS ......................................................... 54

5.0 DATA SHEET ...................................................................... 57

5.1 LPHW HEATING DATA - VARIHEAT WITH STANDARD AIR

HEATER ..................................................................................... 58

5.2 LPHW HEATING DATA - VARIHEAT WITH UPGRADED AIR

HEATER

(WHERE MODEL NUMBER INCLUDES +EC LPHW) ........... 58

6.0 DIMENSIONS ..................................................................... 59

7.0 VARIHEAT CONFIGURATIONS ......................................... 68

8.0 WARRANTY CONDITIONS ............................................... 71

CONTENTS

Variheat system, AW1200/1500, Owner installation manual

4 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

HEALTH AND SAFETY WARNING

This appliance can be used by children from eight years and above and persons wi reduced

physical, sensory or mental capabilities or lack of experience and knowledge if ey have been

given supervision or instruction concerning e use of e appliance in a safe way and understand

e hazards involved. Children should not play wi e appliance. Cleaning and maintenance shall

not be made by children wiout supervision.

This machine is classiﬁed as “NOT ACCESSIBLE TO THE PUBLIC” and erefore should be located

in a machine room and serviced by qualiﬁed personnel.

Disconnect from e mains supply and wait ree minutes before removing panels and

commencing work on is machine.

HEATH AND SAFETY WARNING

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1008519 ISSUE 1 M172 VARIHEAT

1.1 FEATURES OF THE VARIHEAT RANGE

The Variheat range consists of two models: 1200 and 1500. This manual covers

e Variheat AW models, all purpose designed and built for swimming pool use,

to provide heat pump dehumidiﬁcation, heat recovery and optional fresh air

ventilation. The recirculated air ﬂow increases across e range, from 3500m³/h

for an AW1200 to 4300m³/h for an AW1500. All Variheat models are supplied

as packaged air handling units wi an integral control system and a 3.5"

touchscreen controller.

Variheat AW models oﬀer e following features and functions:

yRobust chassis and construction speciﬁcally designed for a swimming pool

environment

yVentilation of e pool hall by main supply fan

yOptional fresh air module for automatically regulated introduction of fresh

air using a dedicated exhaust fan and damper, set to provide a pool hall

negative pressure

yHeat pump dehumidiﬁer incorporating heat recovery to pool water and

pool hall air

yIntegral control system complete wi PLC, sensors and 3.5" colour

touchscreen, providing automatic control of:

– Humidity

– Air temperature

– Pool water temperature

yComprehensive conﬁguration, operation and fault status

yFully controlled LPHW air heater battery

yFully controlled LPHW pool water heat exchanger

yAir ﬁltration

yOptional features

For duct connections, pool water and LPHW pipework positions and sizes,

please refer to drawings elsewhere in is manual.

The Variheat range can be supplied wi many air outlet conﬁgurations,

see conﬁguration drawings for versions available. Spigots are provided for

connection to ductwork. Versions wi a bottom outlet main supply fan include

an adapter to facilitate connection to ﬂoor ducting.

All Variheat AW models contain a heat recovery heat pump dehumidiﬁer at is

automatically controlled to remove unwanted humidity from e swimming pool

hall and provide swimming pool water heating. Heat recovery from e heat

pump is usually sucient to supply e majority of e evaporation heat losses

from e main pool water. The heat recovery will also contribute signiﬁcantly

towards e hall heating requirements. The system is optimised for a swimming

pool environment and will provide eciencies upwards of 250%.

All Variheat models have a main recirculating fan and is ready for connection to

supply air ducting and return air ducting. All models use ecient, direct drive

fans, eier constant ﬂow or EC speed controlled.

The optional fresh air module includes an additional, smaller, exhaust air fan,

wi dampers and is ready for connection to exhaust and fresh air ducting.

The optional negative pressure module includes e exhaust fan and dampers

only, for installations where e make-up fresh air is introduced by oer means.

All Variheat AW models are ﬁtted wi a fully controlled air heater and pool

water heater when connected to a low pressure hot water (LPHW) system.

The output of e standard heat exchangers are rated at an LPHW ﬂow

temperature of 80°C (see data sheet on page 57). As an option, all Variheat

models can be factory ﬁtted wi a larger air heater to provide e same output

at 60°C as e standard air heater has at 80°C, to be used wi renewable

technology heat sources and condensing boilers at provide lower LPHW ﬂow

temperatures. Provision is made for e LPHW heat source to be initiated by

e Variheat control system. The LPHW heat source is not included.

The optional electric air heater module includes air heating elements, wi

heating capacities ranging from 6kW to 18kW depending on model, in lieu of

e normal air and pool LPHW heaters.

All Variheat AW models are ﬁtted wi pairs of “volt free” terminals at provide

an interface for pool pump, heat source and setback control, as well as remote

monitoring/control of e unit. See page 46, Volt free terminals and remote

access for a full list of ese terminals.

6 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

1.2 HOW TO USE THE VARIHEAT

Power light – when illuminated red, power is connected to e Variheat.

Caution – e Variheat system remains powered and live. Ensure e

Variheat is isolated from e power supply before any servicing or electrical

work commences. When unlit, power is disconnected but remote interfaces

connected to e Variheat from oer systems may still be live.

Eernet port – for connection to a local area network. (See page 49.)

Touchscreen user interface – display of operating condition and access to

settings. (See page 7.)

For installation options see section 3.0.

Power light

Refrigeration module

Fan module

Touchscreen user

interface.

Eernet port on rear of

screen

Cable entry points

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1008519 ISSUE 1 M172 VARIHEAT

1.3 TOUCHSCREEN USER INTERFACE

The Variheat is controlled by an integral controller wi a touchscreen user

interface. All e settings of e Variheat are available via e touchscreen.

If e screen is blank, touch once to activate.

Coloured buttons and parameters wi a white background can be modiﬁed,

except where locked by e User Security settings. Grey buttons and

parameters wi a grey background cannot be modiﬁed. (See page 21.)

Pressing e + button shows e second home screen. Pressing e home button returns to e ﬁrst home screen.

Home screens

These two screens display current operating conditions and main controls. Functions on e home screens can be modiﬁed if allowed by e User Security Mode

settings. (See page 21.)

First home screen

Second home screen

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VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

FIRST HOME SCREEN

POOL HALL

HUMIDITY

POOL HALL AIR

TEMPERATURE

1. Pool hall relative humidity (%RH)

Number shows current measurement. Outer ring shows current

measurement (blue bar) in relation to current setting (red arrow). Press

the centre to change humidity setting.

Key to lights

Purple (flashing) – waiting for compressor delay timer to elapse.

Purple (solid) - dehumidification operating (compressor running).

2. Pool hall air temperature (°C)

Number shows current measurement. Outer ring shows current

measurement (blue bar) in relation to current Occupied mode setting (red

arrow). Press the centre to change temperature setting.

Key to lights

Yellow (solid) – air heating via LPHW operating.

Blue (solid) – free cooling operating (if optional fresh air module is fitted).

3. Pool water temperature (°C)

Number shows current measurement. Outer ring shows current

measurement (blue bar) in relation to current setting (red arrow). Press

the centre to change temperature setting.

Key to lights

Yellow (solid) – pool water heating via LPHW operating.

Orange (flashing) – water heating calling for the pool pump to run.

4. Swimming icon

Press to access time clock settings. The swimming icon shows that the

Variheat is in the Occupied mode. A red cross indicates that the Variheat is

in Unoccupied mode.

Functions on e ﬁrst home screen can be modiﬁed if allowed by e User

Security Mode settings. (See page 21.)

POOL WATER

TEMPERATURE

OCCUPIED/

UNOCCUPIED

TIME CLOCK

SETTINGS

INDICATOR

LIGHTS

ON/STANDBY

BUTTON

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1008519 ISSUE 1 M172 VARIHEAT

LIGHTS AND STANDBY SWITCH

Indicator lights

Pressing is area when an alarm is active displays e "Alarms" screen.

Defrost light

Light blue (solid) – defrost is active. Defrosting is a normal function to remove ice from e heat

recovery surfaces, which may be required when e pool hall air temperature drops below 20°C.

Dark blue (solid) – frost protection is active. (See page 44.)

Light blue and dark blue (ﬂashing) - defrost and frost protection are active.

Alarm light

Red (solid) – fault wi e refrigeration system.

Pink (solid) - main fan fault or blockage.

Orange (solid) – ﬁre alarm is active.

Light blue (ﬂashing) – ‘Dance Hall Mode’ is active. (See page 19.)

Dark blue (solid) – no ﬂow, fault wi e pool pump.

Purple (solid) – clock reset required.

Purple (solid) + ‘S’ – service is overdue. Contact e Danerm Group to arrange servicing of e

Variheat.

There can be more an one alarm. All alarms should be investigated. (See page 17.)

Standby switch

Green and white – ON.

Variheat is powered and operating according to e control system settings.

Red and white – user Standby.

Variheat is powered but not operating. The Variheat has been put into Standby via e user

touchscreen. See caution below. To enable e Variheat, press e red touchscreen button.

Orange and black – remote Standby.

Variheat is powered but not operating. The Variheat has been put into Standby via e remote On/Oﬀ

control interface. See caution below. To enable e Variheat, change e remote interface from Oﬀ to

On.

Red and black – user and remote Standby.

Variheat is powered but not operating. The Variheat has been put into Standby via e user

touchscreen AND e remote on/oﬀ control interface. See caution below. To enable e Variheat, press

e red touchscreen button AND change e remote interface from Oﬀ to On.

There is a ten second delay before e Variheat starts.

Caution: in all Standby modes, e Variheat system remains powered and live. Ensure e Variheat is

isolated from e power supply before any servicing or electrical work commences. See power light on

page 6.

Following a power interruption e Variheat will eier remain in Standby or attempt to restart

automatically, according to e user setting. See page 26. Screen Settings

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VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

SECOND HOME SCREEN

5. Fresh air setting (where optional fresh air module is ﬁtted)

AUTO (recommended) allows automatic control of fresh air quantity

according to control system settings. MIN allows experienced operators

to override automatic fresh air control and force e minimum fresh air

quantity. MAX allows experienced operators to override automatic fresh

air control and force e maximum fresh air quantity.

6. Occupied/Unoccupied override

Normally set to AUTO, allowing e time clock to control e Occupied

and Unoccupied periods of e Variheat. The le-hand button sets e

Variheat into Occupied mode. The right-hand button sets e Variheat

into Unoccupied mode. If remote control of Occupied/Unoccupied is to be

used, is control should be set to Unoccupied. (See page 12.)

7. User settings

Allows e user to change e settings of e Variheat (user pin code

required to access).

8. Function button

Green – ON. Enables e Variheat to operate wi full function.

Red – OFF. Water heating only mode. Note: There is a 60 minute delay

when water heating is required.

9. Air/Water priority button

Switches e Variheat between priority given to heating e pool water

(recommended for most pools) or air.

10. Service engineer settings

These settings are for Danerm Group service engineers and are

password protected.

Functions on e second home screen can be modiﬁed if allowed by e User

Security Mode settings. (See page 21.)

USER SETTINGS

– PIN CODE

REQUIRED

SERVICE ENGINEER

SETTINGS –

PASSWORD

PROTECTED

FRESH AIR SETTING

BUTTONS

OCCUPIED/

UNOCCUPIED

OVERRIDE

FUNCTION

BUTTON

HEAT

RECOVERY

PRIORITY

SWITCH

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1008519 ISSUE 1 M172 VARIHEAT

It is essential to control e pool hall conditions 24 hours per day and, once

commissioned, your Variheat should never be turned oﬀ if you are to avoid

discomfort and/or expensive building damage due to humidity. It is a common

mistake to believe at by turning e Variheat oﬀ will save running costs. This

is not true. Turning e Variheat oﬀ turns oﬀ all e energy recovery it provides,

and your swimming pool will cost you more to operate overall.

The energy usage and environment in a swimming pool are a delicate balance

and your Variheat has been selected to operate at very speciﬁc conditions. The

most important principle in a swimming pool is e diﬀerence between e air

and water temperatures. For bo economy and comfort, it is good practice

to keep e air temperature in e pool hall 1-2°C above e pool water

temperature while e cover is removed (Occupied Mode). A normal humidity

target in a pool hall is 60%RH. These settings should correspond to e original

design parameters for e project. Unless oer conditions were speciﬁcally

requested at e time e system was designed, e most common conditions

used in indoor pools are:

yWater temperature 28°C-30°C

yAir temperature 29°C-30°C

yRelative Humidity 60%RH

yChanging e settings may result in high power consumption or less

eﬀective control of e environment. If you:

yIncrease e water temperature – evaporation from e swimming pool

water will increase, running costs will increase, and e likelihood of

condensation will increase.

yReduce e water temperature – evaporation from e swimming pool

water will reduce, running costs will reduce.

yIncrease e air temperature – evaporation from e swimming pool water

will reduce, running costs usually reduce.

yReduce e air temperature – evaporation from e swimming pool water

will increase, running costs will increase, and e likelihood of discomfort

and condensation will increase.

yIncrease e humidity – running costs will reduce, but comfort will worsen,

and e likelihood of condensation will increase.

yReduce e humidity – running costs will increase, but may not improve

comfort, nor reduce e likelihood of condensation.

If you do ﬁnd it necessary to adjust settings, ﬁrstly ensure at e control

system sensors are measuring accurately by using a calibrated ermometer

and always maintain e air 1°C higher an water temperature. The settings

for humidity, air temperature and pool temperature can be changed by

touching e centre of e corresponding parameter. A keypad appears. (See

page 13.)

Unless e Variheat has been speciﬁcally chosen for e purpose, do

not operate wi e air temperature below e water temperature

when e cover is removed.

The only exception is when a ﬂoating cover is in place on e pool (Unoccupied

Mode).

HUMIDITY AND TEMPERATURE SETTINGS

POOL HALL

HUMIDITY

(%RH)

POOL HALL AIR

TEMPERATURE

(°C)

POOL WATER

TEMPERATURE

(°C)

12 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

POOL OCCUPIED SYMBOL

POOL UNOCCUPIED SYMBOL

Whenever a ﬂoating pool cover is in use, e cover suppresses evaporation and

heat loss, so it is not necessary to maintain e air temperature higher an e

pool water. Signiﬁcant running cost reductions can be achieved by reducing

e air temperature. Do not reduce e air temperature wiout a pool cover in

place.

Normal operation, wi e cover removed, is called Occupied Mode. Reduced

air temperature operation, wi e cover in place, is called Unoccupied Mode.

It is expected at e pool will be covered during Unoccupied periods, to

conserve energy and minimise evaporation. If Unoccupied Mode is used while

e cover is removed, increased power consumption and loss of ideal conditions

may result. The integral time clock on e control system allows ﬁxed times to

be set for when e cover will be in place. If you have an automatic pool cover,

it may be possible to connect is to e Variheat as described in section 3.8, to

automatically set Occupied and Unoccupied modes when e cover is moved.

The Variheat operates in eier Occupied or Unoccupied Mode according to:

yUser time period settings

yUser override button

yRemote system connected to e interface terminals

In Occupied Mode, all functions operate according to User Settings.

In Unoccupied Mode, e following functions change:

yPool hall air temperature setting reduced to e unoccupied temperature

setting (sometimes called night set back). The pool hall will not be cooled

to is temperature, but if heating is required, it will only heat to is lower

temperature setting.

yWi e optional fresh air module, e fresh air volume is reduced to

minimum, unless e user fresh air setting activates maximum fresh air.

yWhen pool water heating is required, ere is a delay of 60 minutes

(adjustable) in activating e pool pump and heating e water.

Going away for extended periods

Your Variheat system, once commissioned, should never be turned oﬀ

completely. Even a cold pool will allow moisture to evaporate into e

environment and if is is not dealt wi expensive building damage may

follow. If you go away for extended periods or wish to take e pool out of

commission, use e following procedure:

Use a good swimming pool cover on e pool to minimise evaporation.

ySet e water temperature at 10°C

ySet e air temperature to 12-15°C

yLeave e humidity setting at 60-65%RH

yLeave e time clock setting in Unoccupied Mode

These settings will minimise energy usage whilst providing maximum

protection for your building.

OCCUPIED AND UNOCCUPIED

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1008519 ISSUE 1 M172 VARIHEAT

Coloured buttons and parameters wi a white background can be modiﬁed,

except where locked by e User Security settings. Grey buttons and

parameters wi a grey background cannot be modiﬁed.

To change parameters wi a white background, press e parameter.

A keypad appears for number entry – an alphabet appears for text entry.

The keypad for entering numeric parameters is shown below. The parameter to

be modiﬁed is shown at e top. The allowable range at e parameter can

be changed between is shown undernea.

1.4 DATA ENTRY

TYPE IN THE REQUIRED

SETTING

BACKSPACE KEY

MOVES THE CURSOR

TO THE RIGHT

CLEARS SETTING

SAVES THE SETTING

AND RETURNS TO THE

SETTINGS SCREEN

ALLOWABLE RANGE

LEAVES THE SCREEN

WITHOUT SAVING

MOVES THE CURSOR

TO THE LEFT

SECURITY MODE

If Security Mode is enabled (see page 21) some functions may not be

accessible from e home screens. Functions at are not accessible are shown

wi hashed lines. In e examples shown below all functions have restricted

access apart from e Occupied/Unoccupied override.

14 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

2.0 USER SETTINGS

The main User Settings screens are protected by a PIN code. User Settings can be accessed by pressing e cog button on e second Home screen.

Controller Clock Occupied/Unoccupied periods Alarms Set Points and Switches

Dance Hall Mode Language User Security Data Monitoring

USER SETTINGS

INSERT THE PIN AND PRESS

THE ARROW

The default PIN for accessing

e User Settings is 6016.

The Danerm Group

recommend is is changed.

Security options and record of

PIN. (See page 21.)

THE SETTINGS

SCREEN APPEARS

Settings

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1008519 ISSUE 1 M172 VARIHEAT

To change e date or time, press e white box wi e number to be

changed. Press Set Clock when e date and time are correct.

Press e Arrow to return to e User Settings screen or if noing else needs

to be changed, press Home to return to e Home screen.

Once e time and date have been set is should not need to be done again

as long as e Variheat is On or in Standby. The clock has a battery reserve

ﬁtted which, when charged, has an operating time of ree days so at

isolating e Variheat unit for short periods will not reset e clock. It may be

necessary to set e clock if e Variheat is isolated from power or if ere is an

interruption to e power supply which lasts longer an ree days.

DAYLIGHT SAVING TIME

This button is red when

daylight saving is disabled

and green when daylight

saving is enabled.

Press e button to

manually toggle between

enabled and disabled.

Default factory settings are UK daylight saving periods and will change

automatically on e dates set in is screen. Where e daylight saving times

and dates are diﬀerent to ose shown, ey can be changed here.

Press e Arrow to return to e User Settings screen or if noing else needs

to be changed, press Home to return to e Home screen.

CONTROLLER CLOCK

Press is button on e Settings menu.

PRESS SET CLOCK

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

16 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

Press e le side of

e colon to change e

hour setting.

Press e right side of

e colon to change e

minute setting.

This screen can also be accessed from e ﬁrst Home screen if e User Security

settings are set to allow access.

When one of e time settings is touched, e keypad appears to allow e

parameter to be changed. Any time wi a white background can be changed.

There are two periods per day, A and B. Days can be set individually, or copied

to e whole week. If A and B periods overlap, priority is given e Occupied

period. If one Occupied period is required, period B can be disabled.

The current Occupied air temperature and e Unoccupied air temperature

settings are shown. The Unoccupied setting is set as e diﬀerence between

e two, which can be changed. In e example above, e Occupied air

temperature setting is 28.0°C and e Unoccupied air temperature setting is

4.5°C below at, 23.5°C. The minimum night set back temperature controlled

by e Variheat is 22°C. This means at e greatest diﬀerence allowed is 6°C.

Press e Home button to return to e User Settings screen.

TIME CLOCK

Press is button on e Settings menu.

Home icon

Return to

Home screen

If a second occupied period is

required enable is button.

Times in e second period

can be entered in B.

The times for e rest of

e week can be copied by

pressing is button.

08:00

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1008519 ISSUE 1 M172 VARIHEAT

ALARMS

Press is button on e Settings menu.

The Alarms screen displays warnings or faults wi e Variheat, indicated by a

red highlight. The example above indicates at ere is a problem wi e pool

water ﬂow rate at should be investigated.

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

18 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

SET POINTS AND SWITCHES

Press is button on e Settings menu.

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

This screen duplicates settings on e Home screens. If functions on e Home

screens are disabled by e User Security settings, ey may be accessed here.

Note: e buttons on is screen may vary depending on e options ﬁtted.

Press e Arrow to return to e User Settings screen or if noing else needs

to be changed press Home to return to e Home screen.

19

1008519 ISSUE 1 M172 VARIHEAT

Dance Hall Mode is designed to allow a diﬀerent air temperature to be used if

e pool hall is to be used for a function oer an swimming. Water heating

and humidity control is deactivated.

Dance Hall Mode can be enabled or disabled by pressing e Currently

Enabled/Currently Disabled button to toggle between two.

Dance Hall Mode can be enabled in Constant Mode or Timed Mode. Pressing

e Constant Mode/Timed Mode button toggles between e two. In Timed

Mode, e maximum timer duration is nine hours. In Constant Mode, e

Variheat remains in Dance Hall Mode until disabled by e user. Dance Hall

Mode is not intended to be used for a long period. If Dance Hall Mode is

enabled for a long time, e pool water temperature may fall outside e normal

operating range.

The dance hall air temperature setting is shown. The Variheat controls e

air to a temperature below e Occupied air temperature setting. In e

example above, if e Occupied air temperature setting is 28°C, e Dance Hall

temperature is 24°C (= 28 - 4).

Press e Arrow to return to e User Settings screen or if noing else needs

to be changed press Home to return to e Home screen.

DANCE HALL MODE

Press is button on e Settings menu.

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

20 1008519 ISSUE 1 M172 VARIHEAT

VARIHEAT AW SYSTEM OWNER INSTALLATION MANUAL

LANGUAGE

Press is button on e Settings menu.

Arrow icon

Return to

User Settings

Home icon

Return to

Home screen

The available languages are shown on is screen and can be selected by pressing e button corresponding to e required language.

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Calorex Variheat AA/AW Series Installation guide

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