8.
WALL MOUNTING (applies to NTR/Z & OKCV NTR only)
Prior to mounting, check the loading capacity of the wall and, depending on the type of masonry, choose a
suitable anchorage material, or reinforce the wall, if needed. The NTR/Z series water heater shall only be mounted in
vertical position so that the lower edge of the heater was placed at least 600 mm above the floor (Fig. 5, 6). The OKCV
NTR series water heater shall only be mounted in horizontal position so that, from the front view, the right edge of the
heater was placed at least 600 mm from the opposite wall.
In combined heaters, elbows have to be attached to the heating water inlet and outlet and, by turning them,
determined the mounting either from the right or from the left (Fig. 1).
With regard to various types of carrying masonry and broad assortment of special anchorage material available at
the market, we do not provide heaters with this material. The anchorage system has to be selected individually,
depending on the conditions. We recommend an authorised company perform mounting on the wall and anchorage, or
discuss the anchorage with a professional.
9.
ELECTRIC INSTALLATION
Check the insertion of the thermostat sensor in the thermowell, the so-called insertion all the way.
The heater can be connected to any hot water heating boiler up to the power output of 50 kW. Electrically, the heater is
powered directly by boiler with 230 V/50 Hz control voltage.
interconnection. Connecting terminals are identified on the terminal board of the heater.
Electric connection to heaters of the below types:
OKC 100 NTR, OKC 125 NTR, OKC 160 NTR, OKC 200 NTR, OKC 200 NTRR, OKC 250 NTRR,
OKC 100 NTR/HV, OKC125 NTR/HV, OKC160 NTR/HV
Electric connection to heaters 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
Elastic cable CYSY 4C x 0.75 can be used for
- there is voltage on connecting terminal 2 when heater is heated
- there is voltage on connecting terminal 1 when heater is not heated
Installations in bathrooms, showers and lavatories must obey
the ČSN33 2000-7-701 standard.
Touch thermometer is installed on the control panel to control the
temperature of water, additionally there is a capillary thermostat to set the
desired water temperature and two signal lights:
and "orange" – heating in process.
- there is voltage on connecting terminal 1 when heater is
not heated
The touch panel features control of the capillary
thermostat to set the desired temperature of water, and the
orange control lamp is on when the heater is heating.
10
"green" – heater heated,
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