ComfortVu™ BACnet Thermostat Model Standard TB-HM (Line voltage)Carrier Proprietary and Confidential CARRIER CORPORATION ©2020
Installation and Operation Guide
All rights reserved
32
Wiring and DIP Switch configurations 14 to 15 – AC systems
with Humidifier for humidification
Outputs
Config. 14:
HC12
1 Speed fan, Humidifier
Config. 15:
HP31
1 Speed fan, Humidifier,
Reheat for
Dehumidification
11
Heat element 2
(2)
Heat element
(2)
(2nd stage heat)
12
Economizer
(5)
(option – SW1.6 ON)
Economizer
(5)
(option – SW1.6 ON)
13
Fan (1 speed)
Fan (1 speed)
14
Compressor 2
Heat Pump
(2)
15
Compressor 1
(3)
Compressor
(3)
16
X
X
AO1
X
X
AO2
Humidifier
Humidifier
SW3
SW1
(1)
SW3.1, SW3.2 – Fan speeds:
2 speeds (Low and High):
3 speeds (Low, Med., and High):
SW3.1 = OFF, SW3.2 = ON
SW3.1 = OFF, SW3.2 = OFF
(2)
SW3.4 – HP (Heat pump):
HC (not heat pump):
ON = Heat pump active in cool, OFF = Heat pump active in heat
ON = Electrical heater, OFF = Oil/Gas heater (no fan)
(3)
SW3.5 – Compressor delay:
ON = Disable, OFF = Enable
(4)
SW1.3 – Dehumidification:
ON = Use dehumidifier, OFF = Use reheat for dehumidification
(5)
SW1.6 – Terminal 12 operation:
ON = Economizer
OFF = Fan Medium (3 speeds) / Terminal not in use (2 speeds)
Important: Economizer will not work in 3 fan speeds configuration.
See drawing for
DIP switch and jumper locations
(page 24).
Fan on/off: 110-230VAC, 2.5A max., Humidifier: 0-10VDC, 0.5mA Not isolated
Control - Heat elements, Heat pump, Compressors, Economizer: 110-230VAC, 0.3A max.
Summary of Contents for ComfortVu Standard TB-HM
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