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Installation Guide
5.3
Safety valves
Warning
Warning
Warning
Warning
5.4
Connection heating and hot water
5.4.1
Connect cold and hot water lines
1. Connect the cold water and hot water pipes with all the necessary components according to the connection diagram for the rele-
vant system.
5.4.2
Connect the heating system supply and return lines
For information on how flexible hoses should be installed, see Flexible hoses.
1. Connect the supply pipe with a flexible hose connection and with all the necessary components.
2. Connect the return pipe with a flexible hose connection and with all the necessary components including a filter.
3. Insulate the supply and return lines.
4. Connect the bleed valve to the outlet (22mm) on the top of the hot water tank.
38
DHP-iQ
The water heater tank in Danfoss SP (1-phase) heat pumps are equip-
ped with a factory fitted temperature and pressure relief valve, (10 bar
90-95°C).
The connection from this valve must not be used for other purpo-
ses other than discharge pipe connection.
Radiator systems with a closed expansion tank must also be equipped
with an approved manometer and safety valve, minimum DN 20, 1.5
bar opening pressure, or according to country specific requirements.
Cold and hot water pipes and overflow pipes from safety valves must
be made of heat resistant and corrosion-resistant material, e.g. copper.
The safety valve overflow pipes must have an open connection to the
drain and visibly flow into this in a frost-free environment.
The connecting pipe between the expansion tank and the safety valve
must slope continuously upwards. A continuous upwards slope means
that the pipe must not slope downwards from the horizontal at any
point.
VIJSS102
Danfoss Heating Solutions
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