Siemens RDG20 KN Series - Page 169

Connection
Application examples
6
A6V11545892_en--_e
169 | 186
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
Outputs used
● Fan P351 = 3
(or DIP6 = OFF)
● Control strategy P450 = 1
● Setpoint high P024 = 50 %
(factory setting)
● Setpoint low P026 = 30 %
● Temp. shift P461 = 3 K
(factory setting)
● Valve P201 = 5
● Relay function P402 = 7 (Q3)
(dehum.)
● Relay function P401 = 8 (Q2) (hum.)
● M1 DC 0...10 V fan
● V1 DC valve
● L2
*)
Humidifier
● L3
*)
Dehumidifier
*)
Release contact
See Technical data [➙ 177] for min. and
max. ratings
RDG26..KN
2-pipe fan coil application for dehumidification, with temperature setpoint shifting,
dehumidifier contact (via external converter) and 3-speed fan:
Commissioning
Outputs used
● Fan P351 = 2
(or DIP6 = ON)
● Control strategy P450 = 1
● Setpoint high P024 = 50 %
(factory setting)
● Temp. shift P461 = 3 K
(factory setting)
● Valve P201 = 5
● M1 3-speed fan
● V1 DC valve
● C1 DC - On/Off
converter
● L3
*)
Dehumidifier
*)
Release contact
See Technical data [➙ 177] for min. and
max. ratings
RDG26..KN
Example 4:
Dehumidifier +
humidifier/DC 0...10 V
fan
Example 5:
Dehum./3-speed fan