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Cointra Thermex Blitz IBL Manual

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4. Description and principle of operation
EWH consists of the housing, removable flange, safety valve, protective cover and Control Panel.
4.1.
The housing consists of the outer shell, made of plastic, internal tank, thermal insulated with
environmentally friendly polyurethane foam, and two threaded pipes for cold water inlet (blue ring) and
hot water exhaust (red ring).
Internal tank is made of stainless austenitic stainless steel, which ensures high corrosion resistance
and, as a consequence, long operation life.
4.2.
At the removable flange the following is mounted: tubular heater (HEATER), pipe thermostat.
TEH is used to heat water and thermostat provides with possibility to adjust temperature up to +74°
C (± 5° C). Temperature adjustment is made using adjustment knob located on the water heater
control panel (Fig. 1).
The thermal switch is used to prevent overheating and cut off EWH power when water
temperature exceeds +95° C (± 5° c) (fig. 2). EWH housing can heat inthe course of operation.
Two warning lights (button) located on the control panel (fig. 1) of the water heater next to the
temperature adjustment knob indicate operating mode: "POWER" light is on when the save mode
(1.5 kW), and TURBO light - when the full heating mode (2.5 kW). Switching between the modes is
made by pressing TURBO button, when button pressed "TURBO" mode is on, when released – save
mode. EWH power on/off is carried out by POWER button.
4.3.
Safety valve is back-flow valve preventing ingress of water from the water heater to
water main in case of pressure drop in the latter and in case of pressure increase in the tank
when water is heating up, as well as safety valve, relieving excess pressure in tank when water
is heating up. During water heater operation water may leak out of the exhaust outlet pipe of the
safety valve to relieve excessive pressure, which is made for the purpose of water heater
safety. This outlet pipe shall remain open to the atmosphere and be installed constantly down.
and in a non-freezing environment. You shall ensure drainage of water from exhaust pipe safety
valve into the drain, with installation of the corresponding EWH drainage.
It is required regularly (at least once a month) to discharge a small amount of water through the
exhaust pipe of the safety valve into the drain to remove lime deposits and to test the operating
functionality of the valve. Handle is intended to open the valve. It is necessary to control when
operating water heater this handle to be in position closing water draining from the tank.
5. Specifying security measures
5.1.
Electrical safety and corrosion protection of EWH are guaranteed only if there is an effective
earthing in accordance with applicable electric installation rules and regulations.
5.2.
Plumbing pipes and fittings shall conform to parameters of water main and have the required
certificates of quality.
5.3.
When installing and operating EWH the following is not allowed
.
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