Carrier ComfortVu TB-24-HM - Page 29

Config. 14:
HC12
1 Speed fan,
Humidifier
11
12
13
14
15
16
Heat element
Fan (1 speed)
Compressor 2
Compressor 1
Humidifier
Config. 15:
HP21
1 Speed fan,
Humidifier,
Reheat for
Dehumidification
Fan (1 speed)
Compressor
Heat pump
87654321
654321
SW3
SW1
87654321
Heat element
(2
nd
stage heat)
Humidifier
654321
Economizer
(option – SW1.6 ON)
JP3 JP2
3
Jumpers
JP2, JP3
for analog
outputs
1
3 1
JP3 JP2
3 1 3 1
- 29 -
Wiring and DIP switch/jumper configurations – AC systems
with Humidifier for humidification
Outputs
Humidifier: 0-10 Vdc, 0.5 mA Not isolated
Control – Fan on/off, Heat elements, Heat pump, Compressors, Economizer: 24 Vac, 0.5A max
See drawing on page 21 for DIP switch and jumper locations.
(2)
(2)
Economizer
(option – SW1.6 ON)
(5) (5)
(2)
(3) (3)
(2)
SW3.4 – HP (Heat pump): ON = Heat pump active in cool, OFF = Heat pump active in heat
HC (not heat pump): ON = Electrical heater, OFF = Oil/Gas heater (no fan)
(3)
SW3.5 – Compressor delay: ON = Disable, OFF = Enable
(5)
SW1.6 – Terminal 12 operation: ON = Economizer
OFF = Terminal not in use