Viessmann Vitocal 242-S Installation And Service Instructions Manual page 42

Compact heat pumps, split version for heating and cooling operation
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Installation sequence
Connecting the secondary circuit
3.
A Straight pipe sections supplied
B Pipe bends from secondary circuit
connection set (accessories, see
separate installation instructions)
Symbol
42
2.
2x
2x
Meaning
Heating water return
Heating water flow
(cont.)
Connection
Cu 28 x 1 mm
Cu 28 x 1 mm

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