Drazice OKH 160 NTR Panduan Pengoperasian dan Pemasangan - Halaman 10

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2.3 CONNECTION OF INDIRECT HEATER TO HOT WATER HEATING

SYSTEM

It is recommended to install stop valves on the heating water inlet and outlet (for possible

dismantling of the heater). The valves have to be as close to the heater as possible to avoid

higher thermal losses

The heating circuit is connected to marked inputs and outputs of the heater exchanger; the

deaerating valve is mounted in the highest place. It is necessary to install a filter into the

circuit in order to protect the pumps, the three-way valve, and backflow flaps, and the

exchanger from sedimentation. It is recommended to flush the heating circuit before the

assembly. All wiring connections must be properly insulated from heat. If the system works

with priority heating of HSW using a three-way valve, always follow the installation

instructions of the three-way valve's manufacturer.

After connecting the heater to the water supply, the hot water heating system, the electric

network, and after testing its safety valve (based on the valve manual attached), the heater

may be put into operation. Before opening the power supply, the tank must be filled with

water. The process of first heating must be executed by licensed professional who has to

check it. Both the hot water outlet pipe and safety armature parts may be hot.

Examples of connection of the heater to water and heating system

Figure 6

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