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help of the remote control's temperature sensor (the remote control can display the value of
outdoor temperature), or depending on external temperature (see p. 3.3.3, page 10).
Before connecting the remote control it is necessary to make sure that it is prepared for connection in
accordance with the installation and connection manuals that are included in the remote control's supply
package.
The remote control is not included into the boiler's standard supply package and is purchased
separately if desired by the customer. The cable for connecting the remote control to the boiler is
not included in the remote control's supply package and is purchased separately. The standard
cable consists of a connector for connecting the remote control to the electronic board, two wires
1 meter long and a terminal strip for connecting the wires. If the cable is long enough, it is
necessary to disconnect the terminal strip and connect the cable wires to the remote control (see
the instructions for the remote control). If a connection wires' length of more than 1 meter is
required, it is necessary to connect two additional wires of required length to the terminal strip of
the cable , herewith the wires must be convolved like a twisted pair wire. The main requirements
for choosing wires are:
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maximum wire length is 29 meters (plus 1 meter standard cable);
flexible copper multiple-core cable with cross sectional area of 0,5...1,5 mm
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10.3.3. Connection of external temperature sensor
It is recommended to use an external (outdoor) temperature sensor of the TPEB type. The sensor
is connected to the terminal strip of the room thermostat's connector (installed into the connector
M10), see Annex III, page 66). It is necessary to control that the plug wire is installed in the
room thermostat's connector on the contacts 28 and 29. In case of connecting the remote control
together with the external sensor to the boiler it is necessary to remove the plug wire from the
contacts 28 and 29 in the room thermostat's connector and give it to the boiler's owner so that he
keeps it.
The cable for connecting the external sensor to the boiler is not included into the sensor's supply
package. The main requirements for choosing the cable are similar to the requirements listed in
p. 10.3.1. The connecting instruction of the sensor is supplied together with it.
10.3.4. Connection of a computer for diagnostics
The electronic board provides a possibility of connecting a stationary or portable computer for
boiler operation parameters diagnostics to the M7 connector (see Annex III, page 66). For this a
special program and an connector for connecting the electronic board with the computer is
needed (presence of COM port on the computer is necessary).
10.4. Switching the boiler off
It is necessary to switch the boiler off before starting reparation works or maintenance service. It
is recommended to switch the boiler off in the following sequence:
1) To render the boiler to standby mode, consequently pressing the button K5;
2) To disconnect the power cable plug from the AC outlet of the power line;
3) To close gas, heat carrier and DHW water stop valves.
10.5. Water drain from the boiler's CH
At CH's elements dismantling it is necessary to drain the heat carrier from the boiler. For
this it is necessary to twist off the drain valve 21 (see p. 13.1, page 27).
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Technical staff manual
Technical staff manual
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