Wiring And Dip Switch/Jumper Configurations 20 To 23 - Fc Systems - 2-Pipe - Carrier ComfortVu TB-24-HM Installation And Operation Manual

Wiring and DIP switch/jumper configurations 20 to 23 – FC systems - 2-
pipe
Config. 20:
Outputs
2-Pipe, 1/2/3 Speeds
Fan high
11
Fan medium
12
(or Economizer
Fan low
13
Heat element
14
(2nd stage heat)
Cool/heat valve
15
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: 0-10 Vdc, 0.5 mA Not isolated
Control – Fan on/off, Heat elements, Cool/Heat valves, Economizer: 24 Vac, 0.5A max
ComfortVu™ BACnet Thermostat Model Standard TB-24-HM (24 Vac)Carrier Proprietary and Confidential
Installation and Operation Guide
2-Pipe, 1/2/3 Speeds
fan (1) fan (1)
Fan medium
) (or Economizer
(5)
Heat element
(2)
(2nd stage heat)
Cool valve PID
(3)
X
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. 21:
, Cool/Heat PID
Fan high
) (option – SW1.6 ON)
(5)
Fan low
(2)
Cool/heat valve
(3)
X
32
Config. 22:
2-Pipe, Fan VFS
X
Economizer
(5)
X
Heat element
(2)
(2nd stage heat)
(3)
Fan VFS
SW3.1 ON, SW3.2 OFF
SW3.1 OFF, SW3.2 ON
SW3.1 OFF, SW3.2 OFF
CARRIER CORPORATION ©2020
Config. 23:
2-Pipe, Fan VFS,
Cool/Heat PID
X
Economizer
(5)
(option – SW1.6 ON)
X
Heat element
(2)
(2nd stage heat)
Cool valve PID
(3)
Fan VFS
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