9
USM_TH-TUNE Aire-Aire y Agua-Aire_207960_181005_EN
TH-TUNE
Packaged Air-Air and Water-Air units
OPERATION
Alarm Codes Description
CODE
DESCRIPTION
FIELD
AL01
Alarm probe B1 disconnected (Outdoor Temperature)
General
AL02
Alarm probe B2 disconnected (Air supply Temperature)
General
AL03
Alarm probe B3 disconnected (Comp. 1 discharge Temperature)
General
AL05
Alarm probe B5 disconnected (Return humidity)
General
AL06
Alarm probe B6 disconnected (Return humidity)
General
AL07
Alarm probe B7 disconnected (Outdoor humidity)
General
AL08
Alarm probe B8 disconnected (Water inlet temperature circuit 2)
Water-Air
AL09
Alarm probe B9 disconnected (Water outlet temperature circuit 3)
Water-Air
AL11
Alarm probe B11 disconnected (Low pressure C1, only units with 2 circuits)
General
AL12
Alarm probe B12 disconnected (Low pressure C2, only units with 2 circuits)
General
ALAA
Alarm high evaporation pressure, critical
Air-Air
ALBD
Alarm low condensation pressure, critical
Air-Air
A2AA
Alarm high evaporation pressure, critical, circuit 2
Air-Air
A2BD
Alarm low condensation pressure, critical, circuit 2
Air-Air
ALb1
Alarm probe B1 disconnected (Outdoor temperature)
General
ALb2
Alarm probe B2 disconnected (Air supply temperature)
General
ALb3
Alarm probe B3 disconnected (Comp. 1 discharge Temperature)
General
ALb5
Alarm probe B5 disconnected (Return humidity)
General
ALb6
Alarm probe B6 disconnected (Return humidity)
Water-Air (all)
ALb7
Alarm probe B7 disconnected (Outdoor humidity)
Water-Air (all)
ALb8
Alarm probe B8 disconnected (Water inlet temperature circuit 2)
Water-Air
ALb9
Alarm probe B9 disconnected (Water outlet temperature circuit 3)
Water-Air
ALdT
Alarm High temperature Discharge Circuit 1
Air-Air
ALF6
Thermic alarm outdoor fan/compressor
Air-Air
Thermic alarm compressor
Water-Air
ALF7
Thermic alarm indoor fan
Air-Air (1 Circ.)
Thermic alarm outdoor fan 2 (2-circuit unit)
Air-Air (2 Circ.)
Thermic alarm indoor fan
Water-Air
ALF8
Thermic alarm indoor fan (2-circuit unit)
Air-Air (2 Circ.)
ALH1
Antifreeze alarm 1 (Water inlet below 12 ºC)
Water-Air
ALH2
Antifreeze alarm 2 (Water outlet below 6 ºC)
Water-Air
ALH3
Antifreeze alarm 3 (Water inlet < 15ºC and
ΔT > 8ºC)
Water-Air
ALH4
Antifreeze alarm 4 (Compressor ON and water inlet/outlet
ΔT lower than 1,5 ºC)
Water-Air
A2H1
Antifreeze alarm 1 (Water inlet below 12 ºC) Circuit 2
Water-Air
A2H2
Antifreeze alarm 2 (Water outlet below 6 ºC) Circuit 2
Water-Air
A2H3
Antifreeze alarm 3 (Water inlet < 15ºC and ΔT > 8ºC) Circuit 2
Water-Air
A2H4
Antifreeze alarm 4 (Compressor ON and water inlet/outlet ΔT lower than 1,5 ºC) Circ. 2
Water-Air
ALIF
Alarm flow switch
Water-Air
ALPA
High pressure switch alarm circuit 1
General
ALPB
Low pressure switch alarm circuit 11
General
ALPM
Minimal pressure switch alarm
General
ALRF
Lack of refrigerant alarm
General
A2dT
Alarme Haute Température Refoulement Circuit 2
Air-Air
A2F7
Thermic alarm compressor 2 (2-circuit unit)
General
A2F8
Thermic alarm indoor fan 2 (2-circuit unit)
General
A2PA
High pressure switch alarm circuit 2
General
A2PB
Low pressure switch alarm circuit 2
General
A2PM
Minimal pressure switch alarm circuit 2
General
A2RF
Alarm lack of refrigerant circuit 2
General
Bo03
Alarm Fan parameters
General
Note: if the
“AL” code is shown on the display proceed to resetting the alarm as described in the previous page.
