Carel µC2SE - Reverse-Cycle Water-Cooled Condensing Unit: Two Circuits; Roof Top Units Applications; 3.12.1 Example of Roof Top units with two circuits

24
2 2
1 1
3 3
6
4 4
7
5
8
10
11
12 12
11 1
6
7
8
9
22 2
1
1
2
2
2
1
3
4
5
5
1
1
2
2
6
6
7 7
8
9
13
18
19
1
1
2
2
10
11
12
222
10
11
12
14
11 1
15
15
16
17
3
ENGLISH
µC
2
SE - +030220426 - rel. 2.0 - 03.08.2009
Fig. 3.k.b
Fig. 3.k.l
3.11.2 Two circuits
Key:
1 condenser probe
2 condenser 1 and 2
3 antifreeze heater 1 and 2
4 reversing valve
5 compressor 1
6 high pressure 1 and 2
7 compressor overload 1 and 2
8 low pressure 1 and 2
9 compressor 3
10 compressor 2
11 compressor 4
12 water pump
Key:
1 condenser fan overload
2 fan
3 condernser probe 1 and 2
4 supply probe
5 electrical heater 1 e 2
6 evaporator 1 e 2
7 supply fan overload
8 supply fan
9 compressor 1
10 high pressure 1 and 2
11 compressor overload 1 and 2
12 low pressure 1 and 2
13 ambient probe
14 compressor 2
15 reversing valve 1and 2
16 compressor 3
17 compressor 4
18 freecooling/freeheating damper
19 enable humidifi er
3.12 Roof Top units
3.12.1 Example of Roof Top units with two circuits