Wiring And Dip Switch/Jumper Configurations 28 To 30 - Fc Systems - 4-Pipe - Carrier ComfortVu TB-24-HM Installation And Operation Manual

Wiring and DIP switch/jumper configurations 28 to 30 – FC systems - 4-
pipe
with Dehumidifier, w/wo Humidifier
Config. 28:
Outputs
4-Pipe, Fan VFS
Fan high
11
Fan medium
12
(or Economizer
Fan low
13
Cool/Heat valve
14
Humidifier
15
Dehumidifier
16
SW3
SW1
Jumpers
JP2, JP3
analog
outputs
(1)
SW3.1, SW3.2 = Fan speeds:
2)
SW3.4 = 2nd heating stage:
(3) SW3.5 = Chilled beam option:
(4) SW1.3 = Dehumidification:
(5)
SW1.6 = Terminal 12 operation:
See drawing for DIP switch and jumper locations (page 23).
Fan VFS, PID valves, Hum., Dehum.: 0-10VDC, 0.5mA Not isolated
Control - Fan on/of, Heat elements, Cool/Heat valves, Economizer: 24VAC, 0.5A max.
ComfortVu™ BACnet Thermostat Model Standard TB-24-HM (24 Vac)Carrier Proprietary and Confidential
Installation and Operation Guide
Config. 29:
4-Pipe, 1/2/3 Speeds
fan (1) , Heat valve PID
Fan high
Fan medium
) (or Economizer
(5)
Fan low
Heat element
(3)
(2nd stage heat)
Cool/Heat valve PID
Dehumidifier(4)
(option - See SW1.3)
1 Speed (Low):
2 Speeds (Low and High):
3 Speeds (Low, Medium and High):
ON – Enable
OFF – Disable
ON – Enable chilled beam (fan will not run with cooling)
ON – Use dehumidifier
OFF – Use reheat for dehumidification
ON – Economizer
OFF – Fan Med. (3 Speeds) / Terminal not in use (1/2 Speeds/VFS)
Important: Economizer will not work in 3 fan speeds configuration
Config. 30:
4-Pipe, Fan VFS, Heat
valve PID
X
Economizer
) (option – SW1.6 ON)
(5)
X
(2)
Cool/Heat valve
Fan VFS
(3)
Dehumidifier
34
(5)
(3)
SW3.1 ON, SW3.2 OFF
SW3.1 OFF, SW3.2 ON
SW3.1 OFF, SW3.2 OFF
CARRIER CORPORATION ©2020
All rights reserved