- 22 -
Wiring of tanks of the below types:
OKC 80 NTR/Z, OKC 100 NTR/Z, OKC 125 NTR/Z, OKC 160 NTR/Z, OKC 200 NTR/Z, OKCV 125 NTR, OKCV
160 NTR, OKCV 180 NTR, OKCV 200 NTR
- there is voltage on terminal 1 if tank is not
heated
Figure 14
The control panel accommodates a capillary thermostat knob to set the desired water
temperature and an orange pilot light that is on when the tank's heating is on.
2.5 CONNECTION OF INDIRECT TANK TO HOT WATER SYSTEM
It is recommended to install stop valves on the heating water inlet and outlet (for possible
dismantling of the heater). Valves should be as close as possible to the tank to minimise heat
losses.
When the tank is connected to water supply system, hot water heating system or power
supply, and when the safety valve is tested (accordingly with the manual attached to the
valve), the heater can be put in 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.
2.6 FIRST COMMISSIONING
To connect the tank to water supply system, hot water heating system, power supply and,
after testing the safety valve (accordingly with the manual attached to the valve), the tank
can be put in 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.
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