Wiring And Dip Switch/Jumper Configurations 42 To 44 - Fc Systems - 4-Pipe - Carrier ComfortVu TB-24-HM Installation And Operation Manual

Wiring and DIP switch/jumper configurations 42 to 44 – FC systems - 4-
pipe
with Humidifier, without Reheat for dehumidification
Config. 42:
Outputs
4-Pipe, 1/2/3 Speeds
(1)
fan , Humidifier
Fan high
11
Fan medium
12
(or Economizer
Fan low
13
Heat valve
14
Cool valve
15
Humidifier
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).
PID valves, Humidifier: 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. 43:
4-Pipe, 1/2/3 Speeds
fan (1) , Cool valve PID,
Humidifier
Fan high
Fan medium
) (or Economizer
(5)
Fan low
Heat valve
Cool valve PID
(3)
Humidifier
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. 44:
4-Pipe, 1/2/3 Speeds
fan (1) , Heat valve PID,
Humidifier
Fan high
Fan medium
) (or Economizer
(5)
Fan low
Cool valve
Heat valve PID
(3)
Humidifier
39
)
(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