Viessmann Vitocal 200-S, Инструкция по установке и обслуживанию

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23
+
Refrigerant lines from/to the exter-
nal unit
Symbol Meaning Connection
DHW cylinder flow (heating water side) G 1¼
+
Heating water return and DHW cylinder
return G 1¼
Heating water flow G 1¼
1. Equip the secondary circuit on site
with an expansion vessel and safety
assembly (in accordance with
DIN 4757).
Fit the safety assembly to the on-site
line in the heating water return (see
page 64). 2. Connect the secondary circuit lines to
the heat pump.
!
Please note
To prevent appliance dam-
age,
connect on-site secondary cir-
cuit lines to the heat pump so
that they are free of load and
torque stress.
Make tight hydraulic connec-
tions on the secondary side.
3. Fill and vent secondary circuit.
Installation sequence
Connecting a secondary circuit
5782 176 GB
Installation