Carrier CCU Controller Bedienungsanleitung Seite 44

COM SWITCH
- COM 1: Line termination resistance on CMS link (see section 14)
- COM 2: BUS polarisation on master/slave link (see section 13)
TERMINAL
1
2
3
J6
(SL)
4
5
6
1
2
3
J7
(SL)
4
5
6
1
J8 2
3
1
J9
2
3
1
2
J10
3
1
2
J14
3
4
1
2
3
J15
(SA)
4 Raised floor differential pressure monitoring sensor (0- 10 V)
5
6
EN - 6
CCU Controller
Not used
Control of electric heater stage 1
Control of electric heater stage 2
Electric heater control common terminal
Supply air fan control
Not used
Fan control common terminal
24 V AC power supply
24 V AC power supply
0 V
RS485 A or + (Link between controllers for master/slave
function)
RS485 B or - (Link between controllers for master/slave
function)
0 V
RS485 A or + (Link with CMS or gateway)
RS485 B or - (Link with CMS or gateway)
0 V
+ 12 V
RS485 A or + (Link with CPY humidifier and/or FMA)
RS485 B or - (Link with CPY humidifier and/or FMA)
0 V
0 V
Outdoor temperature sensor (10 K Ω)
Outdoor relative humidity sensor (0- 10 V)
Not used
5 V