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Subject to technical amendments without prior notice | 83055400iUK – 2.1 | ait-deutschland GmbH
Abbreviations (selection)
Abbreviation
Meaning
2hg
Second/additional heat generator
Amb. temp.
External/ambient temperature
AS
Customer service
ASD
Defrost, Brine pressure, flow
BCP
Fan, well or brine circulation pump
BLP
Domestic hot water charging pump
BSUP
Well / brine circulating pump
BUP
Domestic hot water circulation pump
BWT
Domestic hot water thermostat
CP
Compressor
Defr/Brin/Flow
Defrost, Brine pressure, flow
DHW
Domestic hot water
EEV
Electronic expansion valve
EEVC
Electronic expansion valve (cooling)
EEVH
Electronic expansion valve (heating)
EP
Expansion board
EVI
Enhanced vapour injection
EVU
Release/off-time signal electrical supply
FUP
Floor heating circulation pump
H(D)V
Performance-controlled hydraulic module
(Dual)
HC
Heating circuit
HC Add-time
Heating control more time
HC Less-time
Heating time less time
HD
High-pressure / High-pressure pressostat
HMD
Hydraulic module
HP
Heat pump
HR
Heating circuit regulator
HS
Heat source
HS in
Heat source inlet temperature
HS out
Heat source outlet temperature
HS(D)V
Performance-controlled hydraulic station
(Dual)
HT(D)
Hydraulic tower (Dual)
HUP
Heating circulation pump
KR
Cooling circuit regulator
KS
Cooling signal
L/W
Air/Water heat pump
LWA
Air/Water heat pump outdoor
LWAV
Performance controlled Air/Water heat
pump outdoor
LWC
Air/Water Compact heat pump
LWCV
Performance controlled Air/Water
Compact heat pump
LWD
Air/Water heat pump Dual
Abbreviation
Meaning
LWDV
Performance controlled Air/Water heat
pump Dual
LWI
Air/Water heat pump indoor
LWP
Air/Water heat pump serie professional
LWV
Performance controlled Air/Water heat
pump indoor
MA
Mixer open
MC
Mixing circuit
MK
Mixing circuit
MSW
Brine/Water heatpump with IO-Max Board
MZ
Mixer closed
ND
Low-pressure / Low-pressure pressostat
PEX
Party external Room station possible for
WZS devices potent. ext.
PWZS(V)
Performance controlled Brine/Water
heatstation
RAD
Radiator
RBE
Room control unit
RFV
Room remote adjuster
S/W
Brine/Water heatpump
SEC
Designation of the circuit board in the
switch box of the heat pump
serv.wat.
Domestic hot water
SG
Smart Grid
SLP
Charging pump solar
SUP
Circulation pump swimming pool
SW H
Brine/Water heatpump
SWC
Brine/Water Compact heatpump
SWCV
Performance controlled Brine/Water
heatpump
SWP
Brine/Water heatpump serie professional
SWT
Swimming poop thermostat
T(F)B (1) (2) (3)
Temperature sensor mixing circuit (1) (2)
(3)
TA
Outdoor temperature sensor
TBW
Domestic hot water sensor
TDI
Thermal disinfection
TEE
Temperature sensor external energy
source
TFL
Temperature of the liquid refrigerant
TFL 1
Temperature of the liquid refrigerant
upstream of the electronic expansion
valve (heating)
TFL 2
Temperature of the liquid refrigerant
upstream of the electronic expansion
valve (cooling)
ThDsin
Thermal disinfection
THG
Temperature sensor hot gas
TRL
Temperature sensor Return