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83052300eUK © ait-deutschland GmbH
Abbreviation Meaning
1CP 1. compressor in heat pump
2CP 2. compressor in heat pump
2 hg Second heat generator
2hg1 fct Function of the second heat
generator 1
2hg1 type Type of the second heat
generator 1
2hg2 fct Function of the second heat
generator 2/
2hg2 type Type of the second heat
generator 2
2nd heat gen. 1 Second heat generator 1
2nd heat gen. 2 Second heat generator 2
Addit. pump Additional pump
Amb. temp. External temperature
Amb. temp. Ambient temperature
Amb. temp.
max.
Maximum external temperature
Amb. temp. min. minimum external temperature
AS Customer service
av. so Compr.1 Average duration of the 1st
compressor
av. so Compr.2 Average duration of the 2nd
compressor
BCP Well / brine circulating pump
Biv.-Level Bivalent level
Brinpres. Brine pressure
BUP Domestic hot water pump
CFT Collective fault
Control CP Compressor monitoring
CP Compressor
CP Circulation pump
Defr Defrost
Defr cycle Defrost cycle
Defr. air. Air defrost released above the set
temperature
Defr. max Maximum air defrost time
Brine pres./Flow Brine pressure / ow
Electr. suppl. Off-time of the electrical supply
ERR.INST. System fault
ERR-HP Heat pump fault
EVU Release signal electrical supply
Ext External
Fan-heats.
pump
Fan, well or brine circulation
pump
Abbreviation Meaning
Floor heat.
pump1
Floor heating circulating pump
Flow Temperature sensor ow
Flow max maximum ow temperature
Flow 2CP SW Flow 2nd compressor domestic
hot water
FVT Forced ventilation
HC Add-time Heating control more time
HC Less-time Heating time less time
Heat Heating
Heat. sys. pump Heating circulation pump
High pressure High-pressure pressostat
Hot water pump Domestic hot water circulation
pump
HP Heat pump
HP since Heat pump running since
HP-Type Heat pump type
HS Heat source
HS in Heat source inlet temperature
HS out Heat source outlet temperature
HSI Temperature sensor heat source
inow
HSO Temperature sensor heat source
outow
Hysteres. SW Hysteresis of domestic hot water
Hysteresis HC Hysteresis of heating control
Imp. Compr 1 Impulses compressor 1
Imp. Compr 2 Impulses compressor 2
KHZ Comfort Domestic Building
Centre
L/W Air/Water
LA Ventilation off
Limit Return Return limit
Low pressure Low pressure pressostat
Lowering to maximum lowering
LWA Air/water outdoor installation
LWC Air/Water Compact
LWI Air/Water indoor installation
MC1 desir. Mixing circle 1 – ow – set
temperature
MC1 fore. Mixing circle ow temperature
Mixing circ 1 Mixing circle 1
Motor protect. Motor protection
Op. h. 2hg1 Operation hours, additional heat
generator 1
Important abbreviations