CNT-SVX06B-EN
Wiring requirements and options
Table 11 shows required controller inputs for minimal proper operation of
all 1 heat/1 cool applications.
Table 11. Required controller inputs for all 1 heat/1 cool applications
Function
24 Vac power
Zone temperature
Entering water temper-
ature—required only
for two-pipe and four-
pipe fan coil units with
auto changeover
Figure 10 on page 41 through Figure 14 on page 45 show typical applica-
tions that include all required and all optional components for 1 heat/1
cool applications.
Wiring requirements and options
Input source
Terminals: GND, 24 V
Terminals: ZN, GND
or communicated
Terminal: AI1
or communicated
For more information,
see:
"AC power wiring" on
page 8
"ZN: Zone tempera-
ture" on page 36
"AI1: Entering water
temperature sam-
pling" on page 37
39
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