Siemens RDG20 KN Series Basic Documentation page 169

Example 4:
Dehumidifier +
humidifier/DC 0...10 V
fan
Example 5:
Dehum./3-speed fan
A6V11545892_en--_e
2-pipe fan coil application for dehumidification, with temperature setpoint shifting,
dehumidifier contact, DC 0...10 V fan and DC valve, humidification is controlled by
release contact:
Commissioning
●
Fan
●
Control strategy
●
Setpoint high
●
Setpoint low
●
Temp. shift
●
Valve
●
Relay function
●
Relay function
See Technical data [➙ 177] for min. and
max. ratings
2-pipe fan coil application for dehumidification, with temperature setpoint shifting,
dehumidifier contact (via external converter) and 3-speed fan:
Commissioning
●
Fan
●
Control strategy
●
Setpoint high
●
Temp. shift
●
Valve
See Technical data [➙ 177] for min. and
max. ratings
P351 = 3
(or DIP6 = OFF)
P450 = 1
P024 = 50 %
(factory setting)
P026 = 30 %
P461 = 3 K
(factory setting)
P201 = 5
P402 = 7 (Q3)
(dehum.)
P401 = 8 (Q2) (hum.)
P351 = 2
(or DIP6 = ON)
P450 = 1
P024 = 50 %
(factory setting)
P461 = 3 K
(factory setting)
P201 = 5
Connection
Application examples
Outputs used
●
M1 DC 0...10 V fan
●
V1 DC valve
●
*)
L2 Humidifier
●
*)
L3 Dehumidifier
*)
Release contact
RDG26..KN
Outputs used
●
M1 3-speed fan
●
V1 DC valve
●
C1 DC - On/Off
converter
●
*)
L3 Dehumidifier
*)
Release contact
RDG26..KN
169 | 186
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