User Manual

24
3. 4-pipe fan coil units with RXB room controllers
Partial air conditioning plant for rooms where the room temperature shall be kept constant by
heating or cooling the supply air.
This plant description describes a complete application with 2 rooms, covering the genera-
tion of heat or refrigeration and 4-pipe fan coil units in 2 rooms. The water temperature in the
fan coil units is controlled according to the demand for heat or cooling energy from the
rooms. The setpoints and operating modes are controlled from a central location.
Plant diagram
Heating or refrigeration plant
Generation of heat or
refrigeration
Central control unit Room application
Room air handling
S01
S1
F3
F2
T
F1
T
B2
T
E1
M1
F10
B7
Y1
M2
F20
HB0001 H6B HQ
(basic type H4-0)
M11
p
B21
M7
RMS705B
No standard application available
RMB795B
No standard application available
Q1
D1 D2
YC
YH
T
B1
R1
T
XFNC04 B21 HQ
Q1
D1 D2
YC
YH
T
B1
R1
T
XFNC08 B21 HQ