Filling, Topping Up The Heating System And Storage Tank Charging Circuit - Daikin GCU compact Series Installation And Operating Instructions Manual

9 Service and maintenance
4 Remove the filling hose with non-return valve (1/2").
Fig. 9-6 Filling buffer storage - without connected DrainBack
solar system
1
Solar - inflow
2 Safety overflow
Installation and operating instructions
56
9.2.6 Filling, topping up the heating system and
storage tank charging circuit
DANGER: RISK OF ELECTROCUTION
During the filling process, water may escape from any
leaking points that can cause an electric shock if it comes
into contact with live parts.
▪ Before the filling process, de-energise the GCU com-
pact.
▪ After the first filling and before switching on the
GCU compact at the mains switch, check that all electric
parts and connection points are dry.
WARNING
Polluted domestic water is hazardous to health.
▪ When filling the heating system, make sure that heating
water cannot flow back into the domestic water pipe.
INFORMATION
Comply with the instructions for the water connection (see
Chap. 4.6) and water quality (see
Floor-standing gas condensing boiler with integrated heat storage
Chap. 1.2.5).
Gas Combi Unit
008.1543899_02 – 04/2019 – EN