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IOM_WPVBZ HE-WPVZ HE_401-1201-4002_208110_200901_EN
PACKAGED COMPACT VERTICAL
– WATER / AIR
WPVBZ HE / WPVZ HE
OPERATION
TH-TUNE CONTROLLER
DESCRIPTION OF THE ALARM CODES
CODE
DESCRIPTION
AL01
Alarm B1 probe disconnected (Outdoor temperature)
AL02
Alarm B2 probe disconnected (Supply temperature)
AL03
Alarm B3 probe disconnected (Discharge temperature compressor 1)
AL05
Alarm B5 probe disconnected (Return humidity)
AL06
Alarm B6 probe disconnected ( Return humidity )
AL07
Alarm B7 probe disconnected (Outdoor humidity)
AL08
Alarm B8 probe disconnected (Water inlet temperature circuit 2)
AL09
Alarm B9 probe disconnected (Water outlet temperature circuit 3)
AL11
Alarm B11 probe disconnected (Low pressure C1, 2 circuits units only)
AL12
Alarm B12 probe disconnected (Low pressure C2, 2 circuits units only )
ALb1
Alarm B1 probe disconnected (Outdoor temperature )
ALb2
Alarm B2 probe disconnected (Supply temperature )
ALb3
Alarm B3 probe disconnected (Discharge temperature compressor 1)
ALb5
Alarm B5 probe disconnected (Return humidity )
ALb6
Alarm B6 probe disconnected (Return humidity )
ALb7
Alarm B7 probe disconnected (Outdoor humidity )
ALb8
Alarm B8 probe disconnected (Water inlet temperature circuit 2)
ALb9
Alarm B9 probe disconnected (Water outlet temperature circuit 3)
ALF6
Alarm thermal compressor
ALF7
Alarm thermal indoor fan
ALH1
Alarm antifrost 1 (Inlet water below 12ºC)
ALH2
Alarm antifrost 2 (Outlet water below 6ºC)
ALH3
Alarm antifrost 3 (Inlet water < 15ºC and
ΔT > 8ºC)
ALH4
Alarm antifrost 4 (Compressor ON and
ΔT Inlet/Outlet water lower 1.5ºC)
ALIF
Alarm flow switch
ALPA
Alarm high pressure switch circuit 1
ALPB
Alarm low pressure switch circuit 1
ALPM
Alarm min. pressure switch
ALRF
Alarm refrigerant too low
A2F7
Alarm thermal compressor 2 (2 circuits units)
A2F8
Alarm thermal indoor fan 2 (2 circuits units )
A2PA
Alarm high pressure switch circuit 2
A2PB
Alarm low pressure switch circuit 2
A2PM
Alarm min. pressure switch circuit 2
A2RF
Alarm refrigerant too low circuit 2