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Heat
Heat transfer
1)
Pump
fluid delta (K)
7
5
10
5
12
6
1) Minimum dT at rated power and maximum pipe length. A lower dT can be achieved with lower heat requirements or short pipe lengths.
2) For pipes between the heat pump and indoor unit.
3) A flow rate of 15 l/min must be guaranteed on the primary side.
Table 7 Pipe dimensions and maximum pipe lengths (one-way) for connecting a heat pump to indoor unit CS6800iAW 12 E with integrated immersion
heater
5.3
Connect the indoor unit to the heat pump
▶ Select pipe size according to the heat pump manual.
1
2
VA 0
Fig. 16 Connection of the indoor unit to the heat pump
[1]
Heat transfer medium out to heat pump
[2]
Heat transfer medium in from heat pump
[3]
Flow line from the heat pump
[4]
Return line to the heat pump
5.4
Connect the indoor unit to the heating system
For easy service of the expansion vessel a cap valve must be install ed at
the connection.
▶ Run the leakage drain hose down to a frost protected drain.
▶ Connect the particulate filter [SC1], expansion vessel, magnetite
separator and the return line from the heating system.
▶ Connect the flow line to the heating system.
Compress 5800i AW – 6721862724 (2023/06)
p (mbar)
2)
Nominal flow
(L/min)
20,2
286
27,4
284
28,8
231
VW 2
AX20 inner Ø 15
AX25 inner Ø 18
(mm)
(mm)
Maximum pipe length [A, Figure 15] PEX (m)
7
▶ Connect heat transfer medium pipes in from the heat pump. Install a
drain valve [VA0] in this pipe.
▶ Connect heat transfer medium pipes out to the heat pump. Install the
fill valve (VW2) on the same connection on the indoor unit.
3
4
Pipework connections
AX32 inner Ø 26
AX40 inner Ø 33
(mm)
(mm)
30
22
30
13
30
0010049175-001
13
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