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ComfortVu™ BACnet Thermostat Model Standard TB-HM (Line voltage)Carrier Proprietary and Confidential CARRIER CORPORATION ©2020
Installation and Operation Guide
All rights reserved
41
Wiring and DIP Switch configurations 45 to 47 – FC systems - 4-pipe
with Dehumidifier
Outputs
Config. 45:
4-Pipe, 1/2/3 Speeds
fan
(1)
, Dehumidifier
Config. 46:
4-Pipe, 1/2/3 Speeds
fan
(1)
, Cool valve PID,
Dehumidifier
Config. 47:
4-Pipe, 1/2/3 Speeds
fan
(1)
, Heat valve PID,
Dehumidifier
11
Fan high
Fan high
Fan high
12
Fan medium
(or Economizer
(5)
)
Fan medium
(or Economizer
(5)
)
Fan medium
(or Economizer
(5)
)
13
Fan low
Fan low
Fan low
14
Heat valve
Heat valve
Cool valve
(3)
15
Cool valve
(3)
X
X
16
X
X
X
AO1
X
Cool valve PID
(3)
Heat valve PID
AO2
Dehumidifier
Dehumidifier
Dehumidifier
SW3
SW1
(1)
SW3.1, SW3.2 – Fan speeds:
1 speed (Low):
2 speeds(Low and High):
3 speeds(Low, Medium, and High):
SW3.1 = ON, SW3.2 = OFF
SW3.1 = OFF, SW3.2 = ON
SW3.1 = OFF, SW3.2 = OFF
(2)
SW3.4 – 2nd heating stage:
ON = Enable, OFF = Disable
(3)
SW3.5 – Chilled beam option:
ON = Enable chilled beam (fan will not run with cooling)
(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 (1/2 speeds/VFS)
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., PID valves, Dehumidifier: 0-10VDC, 0.5mA Not isolated
Control - Heat elements, Cool/Heat valves, Economizer: 110-230VAC, 0.3A max.
Summary of Contents for ComfortVu Standard TB-HM
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Page 73: ...CARRIER CORPORATION 2020 Catalog No 11 808 725 01 2 18 2020 ...