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HPT 300 • HPT 300C
HV Cold water
MV Hot water
E
Electrical heating
HPT Heat exchanger- or external heat exchanger– heating agent inlet (for model HPT300)
HK Heat exchanger- or external heat exchanger– heating agent outlet (for model HPT300C)
KK Condensate outlet
n) Unused connection branches of the hot water tank must be closed and added
heat insulation.
o) See the dimensional drawings (Figure 2.1.-2.).
2.5. Connection to the water supply network
It is forbidden to connect the appliance using a hose. Galvanized steel pipe, plastic pipe
and red copper pipe can equally be used as cold water pipe or hot water pipe. When
connecting to a copper pipeline, the use of insulating spacers is compulsory.
The package of spacers distributed by HAJDU Zrt. includes 2 pieces and it is available
in our brand shops and general commercial shops. One spacer must be inserted on
the hot water pipe of the container immediately, while the other one on the cold water
pipe, between the already installed assemblies and the copper water pipeline.
Connection without spacers will result in the loss of warranty.
IT IS FORBIDDEN AND DANGEROUS TO EXPOSE THE CONTAINER
AND HEAT EXCHANGERS TO PRESSURES HIGHER THAN
THE ALLOWED OPERATING PRESSURE (0 .7 MPa)!
When connecting to the water supply network, always observe the installation order of
the fittings shown in Figure 2.5. -1., since the proper operation of the appliance highly
depends on this.
62
1. Closing valve
Manometer Pressure
2.
reduction valve
Nyomáscsökkentő szelep
(only if pressure of the water
3.
supply network exceeds
0.6 Mpa)
4. Y filter
5. Combined safety valve
6. Drain (to sewage network)
7. Discharge valve
8. Faucet (with shower fitting)
9. Faucet
10. One-way valve
Figure 2.5.-1.
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