21
With a common primary pump
Note
If heat pumps stage 1 and 2 (types BW
301.A + BWS 301.A) are installed with
different rated heating outputs, the dif-
ferent flow rates mean that two primary
pumps must be used (see page 19).
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
Preparing for installation
Primary circuit, type BW 301.A + BWS 301.A…
(cont.)
5600 161 GB
Installation
Summary of Contents for BW 01.A06
Page 121: ...121 Opening the shield Troubleshooting Repairs cont 5600 161 GB Service ...
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