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1 General safety precautions
Installer reference guide
3
EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492900-1 – 2017.06
To connect the electrical meters ................................. 42
To connect the power consumption digital inputs ....... 42
To connect the alarm output ....................................... 43
To connect the changeover to external heat source... 43
To connect the electrical wiring on the backup heater
To connect the backup heater power supply .............. 44
To connect the backup heater kit to the control box ... 45
To connect the valve kit .............................................. 45
Finishing the outdoor unit installation ........................................
To close the outdoor unit ............................................ 46
Finishing the control box installation .........................................
To close the control box.............................................. 46
Finishing the option box installation ..........................................
To close the option box............................................... 46
Finishing the backup heater installation ....................................
To close the backup heater......................................... 46
Overview: Configuration ............................................................
To connect the PC cable to the switch box................. 47
To access the most used commands ......................... 47
Basic configuration ....................................................................
Quick wizard: Language / time and date..................... 49
Quick wizard: Standard............................................... 49
Quick wizard: Options ................................................. 50
Quick wizard: Capacities (energy metering) ............... 52
Space heating/cooling control..................................... 52
Contact/helpdesk number ........................................... 54
Advanced configuration/optimization.........................................
Space heating/cooling operation: advanced ............... 54
Heat source settings ................................................... 58
System settings........................................................... 59
Menu structure: Overview user settings ....................................
Menu structure: Overview installer settings...............................
Overview: Commissioning .........................................................
Precautions when commissioning .............................................
Checklist before commissioning ................................................
Checklist during commissioning ................................................
To check the minimum flow rate ................................. 67
Air purge function........................................................ 67
To perform a test run .................................................. 68
To perform an actuator test run .................................. 68
Underfloor heating screed dryout................................ 68
About locking and unlocking......................................................
Possible function locks ..............................................................
To check if locking is active .......................................................
To activate or deactivate a function lock ...................................
To activate or deactivate button lock.........................................
Overview: Maintenance and service .........................................
Maintenance safety precautions................................................
Opening the outdoor unit ............................................ 70
Opening the control box.............................................. 70
Opening the option box............................................... 70
Opening the backup heater......................................... 70
Checklist for yearly maintenance of the outdoor unit ................
Overview: Troubleshooting......................................................... 71
Precautions when troubleshooting ............................................. 71
Solving problems based on symptoms....................................... 71
Symptom: The compressor does NOT start ................ 72
Symptom: The pump is making noise (cavitation) ....... 72
Symptom: The pressure relief valve opens.................. 73
Symptom: The water pressure relief valve leaks ......... 73
Solving problems based on error codes ..................................... 73
Error codes: Overview ................................................. 73
Overview: Disposal..................................................................... 76
To pump down............................................................................ 76
Piping diagram: Outdoor unit...................................................... 77
Wiring diagram: Outdoor unit ..................................................... 78
Valve kit necessity ...................................................................... 81
ESP curve: Outdoor unit............................................................. 83
1
General safety precautions
1.1
About the documentation
▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide must be
performed by an authorized installer.
1.1.1
Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of
extreme hot or cold temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious
injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate
injury.