Viessmann VITOCAL 242-G Installation And Service Instructions Manual page 37

Compact energy tower for low energy houses
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System version 3
Hydraulic diagram
A Primary side interface (see from
page 18)
B Min. 500 mm (for hydraulic
separation)
1 Compact Energy Tower
6 Diaphragm expansion vessel
heating circuit
7 Underfloor heating circuit tem-
perature limiter
(cont.)
8 Plate-type heat exchanger
9 Heating water buffer cylinder
qP Underfloor heating circuit
qE DHW circulation pump
qR Natural cooling extension kit
qU KM BUS distributor
qI Vitotrol 200 remote control
qO Room temperature sensor
Preparing for installation
37

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Vitocal 222-g

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