23
Hydraulic installation scheme
22
27
9
20
21
--2/X3.8;3.9--
1
2
--KM BUS--
--X3.8;3.9--
--230V
--
P1
P1
P1
P1
--F2--
16
--2/21
1.1--
--F3--
17
--F2--
--21
1.1--
--F3--
15
P
Equipment required
Pos.
Description
1
Heat pump stage 1
2
Heat pump control unit
9
Heat pump stage 2
qT
Common primary pump
qZ
Primary circuit flow temperature sensor (for installation, see page 94)
qU
Primary circuit return temperature sensor (for installation, see
page 94)
Preparing for installation
Primary circuit, type BW + BWS (2-stage,…
(cont.)
5609 667 GB
Installation