With 4-conductor systems, which are used for cooling and heating, in one system, both cooling capacity from
a chiller and heating capacity from a separate heating system on the indoor units in an another system are
simultaneously present.
A
2
1
3
6
5
4
B
1
B
2
B
3
1
1
3
3
4
4
C
7
8
9
10
Fig. 6: Example of system layout of 4-conductor system (cold water air conditioning system)
A:
Outdoor area
B1-3: Indoor area 1, 2, 3
C:
Heating room
1:
Chilled / heating water outlet
2:
Condensate collecting drainage
3:
Condensate drainage line
4:
Room temperature controller
5:
Medium piping cooling mode
6:
Chiller
7:
Medium outlet
8:
Medium inlet
9:
Medium piping heating mode
10:
Boiler
17
Содержание KWK 135 EC
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