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IOM_WPHBA HE-WPHA HE_091a1201_207815_180701_EN
HORIZONTAL WATER-AIR COMPACT PACKAGED UNITS
WPHA HE / WPHBA HE
OPERATION
TH TUNE CONTROL
Description of the Alarm Codes
CODE
DESCRIPTION
AL01
Alarm B1 probe disconnected (Outdoor temperature)
AL02
Alarm B2 probe disconnected (Air supply temperature)
AL03
Alarm B3 probe disconnected (Discharge temperature comp.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 (Inlet water temperature circuit 2)
AL09
Alarm B9 probe disconnected (Outlet water temperature circuit 3)
AL11
Alarm B11 probe disconnected (Low pressure C1, only 2 circuits units)
AL12
Alarm B12 probe disconnected (Low pressure C2, only 2 circuits units)
ALb1
Alarm B1 probe disconnected (Outdoor temperature)
ALb2
Alarm B2 probe disconnected (Air supply temperature)
ALb3
Alarm B3 probe disconnected (Discharge temperature comp.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 (Inlet water temperature circuit 2)
ALb9
Alarm B9 probe disconnected (Outlet water temperature circuit 3)
ALF6
Thermic alarm compressor
ALF7
Thermic alarm indoor fan
ALH1
Anti-icing alarm 1 (Water inlet below 12ºC)
ALH2
Anti-icing alarm 2 (Water outlet below 6ºC)
ALH3
Anti-icing alarm 3 (Water inlet < 15ºC and
ΔT > 8ºC)
ALH4
Anti-icing alarm 4 (Compressor ON and
ΔT Water Inlet/Outlet below 1,5ºC)
ALIF
Flow switch alarm
ALPA
Alarm high pressure switch circuit 1
ALPB
Alarm low pressure switch circuit 1
ALPM
Minimum pressure switch alarm
ALRF
Lack of refrigerant alarm
A2F7
Thermic alarm compressor 2 (2 circuit unit)
A2F8
Thermic alarm indoor fan 2 (2 circuit unit)
A2PA
Alarm high pressure switch circuit 2
A2PB
Alarm low pressure switch circuit 2
A2PM
Minimum pressure switch alarm circuit 2
A2RF
Lack of refrigerant alarm circuit 2