28
303
FIELD-SUPPLIED
DRY CONTACT SWITCH
TRANSFORMER
GROUND
TERMINAL
GROUND
comunications
CCN
Not used
comunications
CCN
Automation
By Belimo
Switzerland
Made in
(+)
(GND)
(-)
TRAN
2W
3VA
50/60Hz
24VAC/DC
HF23BJ042
80...110s
35 in-lb(4Nm)
HEAT2HEAT1 24VAC
B
W
R
24 VAC
RBW
Low
Hi
Wht
RedBlk
com
Ora
BluYel
10
N/A
PAT
T56
SAT
SPT
+24V
SECFLOW
DMPPOS
+10V
GND
GND
GND
GND
GND
RH/IAQ
Or
Bl
Y
Voltage
Line
LEGEND
CCN —
Carrier Comfort Network
SAT —
Supply-Air Temperature Sensor
SPT —
Space Temperature Sensor
TRAN —
Transformer
Field Wiring
Factory Wiring
→
Fig. 23 — Remote Occupancy Wiring