Carrier ComfortVu TB-24-HM - Page 42

“IN1,0”
terminals
Not in use
*T2 change over
sensor (FC) /
De-icing in cool
(AC)
Window contact
Remote
On/Off
Window contact
Remote
Economy
***External
PIR sensor
P09 – Functionality of IN1,0 terminals
“00” - IN1,0 terminals are not in use
“01” - T2 (Change over sensor) *
“02” - T3 (Soft start in heat sensor) **
“03” - Remote On/Off switch
“04” - Remote Economy switch
“05” - External Passive Infrared detector ***
**T3 Soft start in
heat sensor (FC)
or De-icing in
cool sensor (AC)
P10 – Window contact (terminals IN1,0) polarity
“01” - Normally open
“00” - Normally close
Win. contact
Normally close
Win. contact
Normally open
* In 2-Pipe system, T2 will sense the water temperature
in the pipe in order to select/allow effective system
mode. Note: To view T2 on the BACnet Thermostat,
see Technician Settings P83.
** Where T1 terminals are used for external sensor, the
IN1,0 terminals can be used for T3 sensor.
Note: To view T3 on the BACnet Thermostat, see
Technician Settings P84.
*** External PIR – only if internal PIR is disabled (DIP
Switch SW4.2 ON).
- 42 -
Technician Settings (cont.)
P11 – Window contact delay time
Range: 0…999 seconds.
Default: 60 seconds.
Window contact
delay time (sec.)
P12 – Door switch (terminals T1,0) polarity
“01” - Normally open
“00” - Normally closed
Door switch
Normally closed
Door switch
Normally open
P13 – Door switch delay time
Range: 0…999 seconds.
Default: 180 seconds.
Door switch
delay time (sec.)