ComfortVu™ BACnet Thermostat Model Standard TB-24-HM (24 Vac)Carrier Proprietary and Confidential
CARRIER CORPORATION ©2020
Installation and Operation Guide
All rights reserved
30
Wiring and DIP switch/jumper configurations 10 to 13 – AC systems
w/wo Humidifier for humidification, with Reheat for dehumidification
Outputs
Config. 10:
HC22
1 Speed fan, Humidifier,
Reheat for
Dehumidification
Config. 11:
HP31
1 Speed fan, Humidifier,
Reheat for
Dehumidification
Config. 12:
HC11
2/3 Speeds fan,
Humidifier, Reheat for
Dehumidification
Config. 13:
HP21
2/3 Speeds fan, Reheat
for Dehumidification
11
Heat element 2
(2nd stage heat)
Heat element 2
(2nd stage heat)
Fan high
Fan high
12
Heat element 1
(2)
(1st stage heat)
Heat element 1
(2)
(2nd stage heat)
Fan medium
(or Economizer
(5)
)
Fan medium
(or Economizer
(5)
)
13
Fan (1 speed)
Fan (1 speed)
Fan low
Fan low
14
Compressor 2
Heat Pump
(2)
Heat element
(2)
Heat element
(2)
(2nd stage heat)
15
Compressor 1
(3)
Compressor
(3)
Compressor
(3)
Compressor
(3)
16
Humidifier
Humidifier
Humidifier
Heat pump
(2)
SW3
SW2
Jumpers
JP2, JP3
analog
outputs
(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 23).
Humidifier: 0-10VDC, 0.5mA Not isolated
Control - Fan on/of, Heat elements, Heat pump, Compressors, Economizer: 24VAC, 0.5A max.
Summary of Contents for ComfortVu TB-24-HM
Page 71: ......
Page 72: ...CARRIER CORPORATION 2020 Catalog No 11 808 723 01 2 18 2020 ...