Siemens LMU64 Series - Room Setpoint

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Siemens Building Technologies Basic Documentation LMU54... / LMU64... CC1P7494en
HVAC Products 3 Functions 07.11.2002
The room setpoint is obtained from the following tables:
HzA: Heating circuit of the LMU... (1 or 2) which is controlled by the main heating
circuit of the RU (RU1)
HzB: Heating circuit of the LMU... (1 or 2) which is controlled by the secondary heating
circuit of the RU (RU2)
Refer to «Configuration of the heating circuits».
Hz1 and Hz2 can also be simultaneously assigned to the RU1 or RU2 program.
Without the RU, HzA = Hz1 and HzB = Hz2
RU
QAA53 /
QAA73
Room
setpoint RU
active
RU1 active
for heating
circuit
RU2 active
for heating
circuit
Outside
sensor
Room setpoint HzA Room setpoint HzB
Beliebig No – – Don’t care (TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Present Yes No No
Don’t care
(TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Present Yes No Yes
Don’t care
(TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Present Yes Yes No
Don’t care
TrSet (TrSmin+TrSmax) / 2
Present Yes Yes Yes
Don’t care
TrSet (TrSmin+TrSmax) / 2
RU
QAA53 /
QAA73
Room
setpoint RU
active
RU1 active
for heating
circuit
RU2 active
for heating
circuit
Outside
sensor
Room setpoint HzA Room setpoint HzB
Don’t care No – –
Not
present
(TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Don’t care No – – Present TrSollMmi TrSollMmi
Present Yes No No
Not
present
(TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Present Yes No Nein Present TrSollMmi TrSollMmi
Present Yes No Yes
Not
present
(TrSmin+TrSmax) / 2 (TrSmin+TrSmax) / 2
Present Yes No Yes Present TrSollMmi (TrSmin+TrSmax) / 2
Present Yes Yes No
Not
present
TrSet (TrSmin+TrSmax) / 2
Present Yes Yes No Present TrSet TrSollMmi
Present Yes Yes Yes Don’t care TrSet (TrSmin+TrSmax) / 2
Room setpoint
Note
Without HMI
With HMI AGU2.361 /
AGU2.362, AGU2.303