HEALTH AND SAFETY WARNING As the dehumidifier embodies electrical and rotational equipment, ONLY competent persons should carry out any work on this type of machine. (SEE GUARANTEE) Variheat system, AA600/900/1200/1500, Owner installation manual CONTENTS HEATH AND SAFETY WARNING ..........4 4.0 AFTER INSTALLATION ............. 47 FEATURES OF THE VARIHEAT RANGE ........5 4.1 MAINTENANCE ..............
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL HEALTH AND SAFETY WARNING This appliance can be used by children from eight years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved.
FEATURES OF THE VARIHEAT RANGE The Variheat range consists of four models: 600, 900, 1200 and 1500. This All Variheat AA models contain a heat recovery heat pump dehumidifier that manual covers the Variheat AA models, all purpose designed and built for is automatically controlled to remove unwanted humidity from the swimming swimming pool use, to provide heat pump dehumidification, heat recovery and pool hall.
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 1.2 HOW TO USE THE VARIHEAT Touchscreen user interface. E ernet port on rear of screen Power light Cable entry points Refrigeration module Fan module Power light – when illuminated red, power is connected to the Variheat. Ethernet port –...
1.3 TOUCHSCREEN USER INTERFACE The Variheat is controlled by an integral controller with a touchscreen user Coloured buttons and parameters with a white background can be modified, interface. All the settings of the Variheat are available via the touchscreen. except where locked by the User Security settings. Grey buttons and parameters with a grey background cannot be modified.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL FIRST HOME SCREEN POOL HALL POOL HALL AIR HUMIDITY TEMPERATURE OCCUPIED/ UNOCCUPIED INDICATOR ON/STANDBY TIME CLOCK LIGHTS BUTTON SETTINGS Pool hall relative humidity (%RH) Swimming icon Number shows current measurement. Outer ring shows current Press to access time clock settings.
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LIGHTS AND STANDBY SWITCH Indicator lights Pressing this area when an alarm is active displays the "Alarms" screen. Defrost light Light blue (solid) – defrost is active. Defrosting is a normal function to remove ice from the heat recovery surfaces, which may be required when the pool hall air temperature drops below 20°C. Dark blue (solid) –...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL SECOND HOME SCREEN USER SETTINGS – PIN CODE REQUIRED SERVICE ENGINEER SETTINGS – PASSWORD PROTECTED FRESH AIR OCCUPIED/ SETTING UNOCCUPIED BUTTONS OVERRIDE Fresh air setting (where optional fresh air module is fitted) Service engineer settings AUTO (recommended) allows automatic control of fresh air quantity These settings are for Dantherm Group service engineers and are according to control system settings.
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POOL HALL POOL HALL AIR HUMIDITY TEMPERATURE (%RH) (°C) HUMIDITY AND TEMPERATURE SETTINGS It is essential to control the pool hall conditions 24 hours per day and, once y Reduce the water temperature – evaporation from the swimming pool commissioned, your Variheat should never be turned off if you are to avoid water will reduce, running costs will reduce.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL POOL OCCUPIED SYMBOL POOL UNOCCUPIED SYMBOL OCCUPIED AND UNOCCUPIED Whenever a floating pool cover is in use, the cover suppresses evaporation and to this temperature, but if heating is required, it will only heat to this lower heat loss, so it is not necessary to maintain the air temperature higher than the temperature setting (AA+LPHW models only).
1.4 DATA ENTRY Coloured buttons and parameters with a white background can be modified, The keypad for entering numeric parameters is shown below. The parameter to except where locked by the User Security settings. Grey buttons and be modified is shown at the top. The allowable range that the parameter can parameters with a grey background cannot be modified.
VARIHEAT AA 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 the cog button on the second Home screen. USER SETTINGS INSERT THE PIN AND PRESS THE ARROW The default PIN for accessing the User Settings is 6016.
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CONTROLLER CLOCK Press this button on the Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen PRESS SET CLOCK To change the date or time, press the white box with the number to be Once the time and date have been set this should not need to be done again changed.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL TIME CLOCK Press this button on the Settings menu. Home icon Return to If a second occupied period is Home screen required enable this button. Times in the second period can be entered in B. The times for the rest of the week can be copied by pressing this button.
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ALARMS Press this button on the Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen The Alarms screen displays warnings or faults with the Variheat, indicated by a red highlight. The example above indicates that there is a problem with the air filter that should be investigated.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL SET POINTS AND SWITCHES Press this button on the Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen This screen duplicates settings on the Home screens. If functions on the Home Press the Arrow to return to the User Settings screen or if nothing else needs to be changed press Home to return to the Home screen.
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LANGUAGE Press this button on the Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen The available languages are shown on this screen and can be selected by pressing the button corresponding to the required language. 1002595 ISSUE 5 M172 VARIHEAT...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL USER SECURITY Press this button on the Settings menu. Toggles between Password Enabled and Password Disabled Arrow icon Password Password Return to Disabled Disabled User Settings Home icon Return to Home screen PRESS SUBMIT If the User PIN needs to be changed, it can be changed here.
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CHANGE WEBGATE PASS Press the button on the right. Arrow icon Return to User Settings Press to confirm current password and Home icon proceed to the change Return to password screen Home screen The factory default Webgate password is DefaultPass. If the password is forgotten, it can only be reset during a visit by a service engineer.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL DATA MONITORING Press this button on the Settings menu. AIR TEMP HUMIDITY ALARMS Arrow icon Return to User Settings Home icon Return to Home screen Pressing the buttons brings up a graph of the selected parameter. Choose from Air temperature, Humidity, Water temperature and Alarms.
2.1 ADVANCED SETTINGS Press this button on the Settings menu. WARNING ACCESSING THE ADVANCED SETTINGS BY PUTTING IN THE ONE TIME PASSWORD TAKES YOU INTO PARAMETERS THAT MAY FUNDAMENTALLY CHANGE THE WAY THE VARIHEAT BEHAVES. A SERVICE VISIT MAY BE NECESSARY IF THE PARAMETERS ARE CHANGED INCORRECTLY.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL OFFSETS Press this button on the Advanced Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen Offsets The actual conditions in the pool may be slightly different to the conditions detected and shown on the display.
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SCREEN SETTINGS Press this button on the Advanced Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen The screen settings can be changed here. The “Reset Standby Switch on Power Loss” button determines what happens when power is interrupted.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL CUSTOMER TIMERS Press this button on the Advanced Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen Defrost Pulse Time, Defrost Timeout - should be left as defaults settings unless advised to change by Dantherm or your Dantherm Group service engineer.
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FACTORY RESET Press this button on the Advanced Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen If the settings have been changed in a way that makes the Variheat behave in Press the Arrow to return to the Advanced Setting screen or if nothing else an unusual way, the original commissioned settings can restored by pressing needs to be changed press Home to return to the Home screen.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL BMS SETTINGS Press this button on the Advanced Settings menu. Arrow icon Return to User Settings Home icon Return to Home screen This screen contains settings related to BMS connectivity when using Modbus/ Data Bit. Always set to 8. Included for information only, to configure own RTU and BACnet MS/TP through the spare RS485 port.
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PLC ETHERNET SETTINGS Press the button on the right. Arrow icon Return to User Settings Home icon Return to Home screen This screen contains settings related to BMS connectivity using BACnet/IP HTTP Port. Can be set from 0 to 65535. 0 corresponds to default port 80. through the Ethernet port on the PLC.
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 2.2 REMOTE ACCESS TO THE VARIHEAT TOUCHSCREEN Ports to be forwarded The Variheat can be controlled remotely either through a mobile device using a third-party Android/iOS app, or using a computer with a web browser that can run Active X.
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Variheat Using an Android/iOS mobile device If the Variheat is to be accessed when the device could be anywhere: The Variheat touchscreen can be controlled by a mobile device. To access the First obtain the public IP address of the network the Variheat is connected to Variheat by a mobile device, the Vijeo Design’Air app must be installed on the using another device that is connected to the same network.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL Using an ActiveX web browser on a networked computer Whichever method is used, when the Variheat Controller appears: y Click “Monitoring” in menu bar of the main window. To access the Variheat by a networked computer, a browser that can run y Click “In Frame”...
3.0 INSTALLATION Installation summary Summary of connections and services Ductwork The Variheat is a fully packaged system, supplied as a single piece, ready for positioning and connection to services. The Variheat is designed to be installed y Return air, from pool hall in an internal plant room.
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 3.1 SITING, MACHINE LOCATION Vertical, upflow range Vertical, downflow range Supply air to pool hall Service panel Service panel (if not ducted) Return air Alternative from pool hall supply air positions Touchscreen user interface Removable cover Water connections gives acces to electric box...
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Vertical, upflow range Vertical, downflow range Spigot Supply air to pool hall Damper Service panel Service panel Service panel Return air from pool hall Optional resistance heater Optional resistance heater Optional fresh air module in is position only module in is position only module with two spigots Touchscreen...
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 3.2 FRESH AIR AND EXHAUST AIR Exhaust air out Fresh air in Always use flexible connections from adequately supported duct work to e Variheat Note Duct work should be heavily insulated if e Variheat is used Return air from in a plenum chamber application.
3.3 PLUMBING INSTALLATION Important general points The Variheat should be connected as shown in section 3.0. Condensate drain Do not route water pipes across service access panels or air inlet/outlets. 1. The condensate driptray in the Variheat collects the water removed by The water circuits to and from the Variheat should be capable of the dehumidification process, It is therefore necessary to ensure that the maintaining the specified water flow required.
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL ELECTRICS PANEL ELECTRICS PANEL ELECTRICS PANEL ELECTRICS PANEL Variheat wi standard pipe connections Variheat wi RF pipe connections Variheat wi standard pipe connections Variheat wi RF pipe connections Condensate drain VH3 drain Copper stub Customers "tun dish"...
3.4 ELECTRICAL CONNECTIONS Touchscreen user interface. The touchscreen can easily be moved to front face of e electric box cover. Power light Cable entry points Refrigeration module Fan module There are 3 cable glands in the electric box tray and two further knock-outs. The touchscreen can be moved from the default location to the alternative Use the left hole for access to the power terminals.
It is important to ensure that all aspects of the installation comply with the The following limits of operation must not be exceeded if Calorex machines are latest I.E.T. Regulations. It is also important to ensure that any remote devices...
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Separate mains supply terminal blocks for resistance heater modules layout single and three phase (no connection to terminals L2 and L3 on single phase units) EARTH STUD E L1 L2L3 Customer terminations to heater module. See notes in section 3.7 1002595 ISSUE 5 M172 VARIHEAT...
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 3.6 VOLT FREE TERMINALS AND REMOTE ACCESS 10 11 12 13 14 15 17 18 19 20 Terminals 1-20 1002595 ISSUE 5 M172 VARIHEAT...
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Fire Alarm interface – terminals 1/2 “Remote On/Off” – terminals 12/13 For activating Standby mode in the event of a fire alarm. To enable the Variheat For remote control of On/Standby. To enable Variheat to run, the remote switch to run normally, the remote switch should be closed. To put the Variheat into should be closed.
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL “Remote Damper” control – terminals 63/64/65 Ports to be forwarded For control of a remote damper when Advanced Frost Protection is active. 6000 These are powered terminals. Terminal 63 is Live (230V) when Advanced Frost 6002 Protection is active.
3.8 BMS CONNECTION (BUILDING MANAGEMENT SYSTEM) RJ45 PLC E ernet port M172 RS485-2 connection block + - GND In addition to screen mirroring to the touchscreen (see Section 2.2), the For configuration settings, see the BMS Settings screen and PLC Ethernet following options for connecting a BMS are included as standard.
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 3.9 OPTIONAL REMOTE SENSOR BOX A remote sensor box is available allowing the air temperature and humidity When using 0.5mm² cable, the maximum total distance between the sensors sensors to be mounted in the pool hall. This may be beneficial if the sensors and their terminals is 20 metres.
4.0 AFTER INSTALLATION Commissioning When the Variheat leaves the Dantherm Ltd. factory it is fully tested and is ready to operate when connected to the correct power supply, services and ductwork. The default settings allow the Variheat to be powered and started For full commissioning procedure, please refer to separate commissioning safely, provided the pre-commissioning checklist has been actioned.
The operator of the unit is responsible for seeing that this test is carried out. At the time of writing, the 6kg threshold means that Calorex Variheat AA600 to AA1500 models do not need leak testing. The operator should be aware that this may change and amend their maintenance schedule accordingly.
4.2 CIRCUIT DIAGRAMS POWER CIRCUIT SINGLE PHASE COMPRESSOR CONTROL CIRCUIT CIRCUIT CIRCUIT CIRCUIT BREAKER BREAKER BREAKER 4A BREAKER Model Fan MCB Single Compressor TO RCU RELAY M172 D06 phase CONTROL CIRCUIT Device value AA600AVHX TO FIRE COMPRESSOR ALARM CONTACTOR CONTACTOR RELAY AA900AVHX AA1200AVHX...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL CONTROL CIRCUIT DIAGRAM AA MODELS PHASE ROTATION FIRE ALARM TERMINALS FOR AA1200 AND 1500 SWITCHED (230V AC) SEE BELOW (LINK IF NOT USED) CONTROL MCB FUSE 93 800mA FIRE ALARM VOLT FREE TERMINALS RELAY R1 MAXIMUM TOTAL LOAD 500mA SEE PAGE 49 POWER CIRCUIT...
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RMINALS LOAD 500mA CN10 CN14 CN15 FUSE 3 800mA M172 TOP TERMINALS HP SWITCH CN11 CN12 CN13 LP SWITCH SOFT START 0-10V (IF FITTED) LINK IF NOT USED V+ V- 1002595 ISSUE 5 M172 VARIHEAT...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL CONTROL CIRCUIT DIAGRAM AA+LPHW MODELS FIRE ALARM TERMINALS PHASE ROTATION SWITCHED (230V AC) FOR AA1200 AND 1500 (LINK IF NOT USED) SEE BELOW FIRE ALARM RELAY R1 CONTROL MCB FUSE 93 800mA VOLT FREE TERMINALS MAXIMUM TOTAL LOAD 500mA SEE PREVIOUS PAGE FOR POWER SECTION...
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MINALS OAD 500mA CN10 CN14 CN15 FUSE 3 800mA TOP TERMINALS M172 HP SWITCH CN12 CN11 CN13 LP SWITCH SOFT START 0-10V (IF FITTED) LINK IF NOT USED V+ V- 1002595 ISSUE 5 M172 VARIHEAT...
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 5.0 DATA SHEET AA600A AA900A AA1200A Specifications Units AA1500B AA600B AA900B AA1200B Dehumidification Heat pump dehumidification 30°C/60% RH 10.5 Total at 18°C dew point (summer) - if fresh air option fitted 11.3 Total at 7°C dew point (winter) - if fresh air option fitted 11.7 13.9 Heat to air...
5.1 LPHW HEATING DATA - VARIHEAT WITH STANDARD AIR HEATER flow °C AA600 11.0 standard air heating capacity recommended boiler capacity 11.0 LPHW flow rate L/min 64.2 return temperature °C 57.4 50.5 43.7 40.3 flow °C AA900 13.5 standard air heating capacity 10.8 13.5 recommended boiler capacity...
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 6.0 DIMENSIONS 600/900 vertical, upflow versions Air filter access panel Drain Supply air to LPHW out pool hall LPHW in Service panel 2184 Supply air to pool hall Electric box assembly Service panel 1017 Air filter access panel Service panel Drain ¾"...
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600/900 vertical, downflow versions Air filter access panel Drain ¾" BSPM Supply air LPHW out ¾" BSPM to pool hall LPHW in ¾" BSPM Service panel 2199 Supply air to pool hall Electric box assembly Service panel Air filter access panel Service panel Drain ¾"...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 600/900 horizontal versions Alternative supply air positions Air filter access panel Drain ¾" BSPM LPHW out ¾" BSPM LPHW in ¾" BSPM Air filter access panel Drain ¾" BSPM LPHW out ¾" BSPM LPHW in ¾" BSPM 1002595 ISSUE 5 M172 VARIHEAT...
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600/900 horizontal versions viewed from opposite side Air filter access panel Air filter access panel 1002595 ISSUE 5 M172 VARIHEAT...
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1200/1500 vertical, upflow versions Air filter access panel Drain LPHW out LPHW in Service panel 1558 Service panel 2488 Service panel Supply air to pool hall Electric box assembly 1170 Air filter access panel Service panel Drain ¾" BSPM Supply air LPHW out to pool hall 1"...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 1200/1500 vertical, downflow versions Air filter access panel Drain LPHW out LPHW in Service panel 2503 Supply air to pool hall Service panel Air filter access panel Drain ¾" BSPM Supply air LPHW out 1" BSPM to pool hall LPHW in 1"...
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1200/1500 horizontal versions Alternative supply air positions Air filter access panel Drain ¾" BSPM LPHW out 1" BSPM LPHW in 1" BSPM Air filter access panel Drain ¾" BSPM LPHW out 1" BSPM LPHW in 1" BSPM 1002595 ISSUE 5 M172 VARIHEAT...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 1200/1500 horizontal versions viewed from opposite side Air filter access panel Air filter access panel 1002595 ISSUE 5 M172 VARIHEAT...
7.0 VARIHEAT CONFIGURATIONS The Variheat can be supplied in a range of physical configurations. Versions with pipe connections on the opposite face are also available. See separate configuration guide Variheat without fresh air module Return air Return air Return air Supply air Supply air Return air...
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VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL Variheat with fresh air module Return air Return air Return air Supply air Supply air Return air Return air Return air Return air Return air Return air Supply air Supply air Return air Return air Return air Return air Return air...
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Variheat with fresh air module and electric heater module Return air Return air Return air Supply air Supply air Return air Return air Return air Return air Return air Return air Supply air Supply air Return air Return air Return air Return air Return air Supply air...
VARIHEAT AA SYSTEM OWNER INSTALLATION MANUAL 8.0 WARRANTY CONDITIONS If in doubt or if advice is required please contact the Dantherm Group One year manufacturer’s warranty is valid from the date of commissioning or UK Service Department by calling 01621 856611 (option 4) or emailing 18 months from delivery, whichever is sooner.
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