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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
Frost protection for the plant
Line no. Operating line
6120 Frost protection plant
On
Off
The heating circuit pump and condenser pump are activated as a function of the
current outside temperature, although there is no heat request.
The action on the condenser pump (see page 102) can be switched off.
Outside
temperature
Pump Graph
…-4 °C
Continuously on ON
-5…1.5 °C
On for 10 minutes at 6-hour intervals Cycle (takt)
1.5 °C…
Continuously off OFF
-2
2371Z30
TA °C
OFF
01234-3-4-5-6 -1
takt
ON
Air dehumidifier
Line no. Operating line
6135 Air dehumidifier
Off
On
6136 Release air dehumidifier
24h/day
Time programs HC
Time program 5
6137 Air dehumidifier r.h. on
6138 Air dehumidifier r.h. SD
Activates and deactivates the air dehumidification function.
24h / day
The air dehumidifier is released 24 hours a day.
Time program HC
The air dehumidifier is released according to the time program of heating circuit 1.
Time program 5
The air dehumidifier is released according to time program 5.
If the relative humidity acquired via one of the Hx inputs exceeds the setpoint adjusted
here, the air dehumidifier is switched on. For that, the air dehumidification function must
be activated and the dehumidifier must be released (refer to the 2 functions above).
If the relative humidity falls by the switching differential set here below “Air dehumidifier
r.h. on”, the dehumidifier is switched off again.
ir dehumidifier
Release air
dehumidifier
ir dehumidifier r.h. on
ir dehumidifier r.h. SD