Westen NOVADENS BOYLER 240, Инструкция по эксплуатации

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96.091.1 - GB InstRUCtIOns FOR FIttERs
15.1 DEsCRIptIOn OF tHE BOILER’s ELECtRICaL COnnECtIOns
Rotate the control box downwards and access terminal blocks M1 and M2, used for the electrical connections, by removing the two
safety covers (see figure 11).
terminals 1- : connection to the SIEMENS model QAA73 climate controller, supplied as an accessory. It is not necessary to respect
the polarity of the connections.
Remove the jumper on terminals 3-4 “TA”.
Read the instructions provided with this accessory for correct installation and programming.
terminals 3-4 “TA” ambient thermostat connection. Do not use thermostats with anticipatory resistors. Make sure the ends of the two
wires connecting the thermostat are not live.
terminals 5-6 : “TP” thermostat connection for underfloor heating systems (available off the shelf). Make sure the ends of the two wires
connecting the thermostat are not live.
terminals 7-8 : for connecting the SIEMENS QAC34 external probe, supplied as an accessory. Read the instructions provided with this
accessory for correct installation.
terminals 9-10 : for connecting the DHW priority probe, supplied as an accessory, for connecting mono-thermal boilers to an external
storage boiler.
terminals a-b (30v) : electrical powering of a zone valve / pump
See instructions in the “connecting a zone system” chapter.
15. COnnECtInG tHE qaa73 CLIMatE COntROLLER
Connect the SIEMENS model QAA73 climate controller (accessory available on request) to terminals 1-2 of the M2 terminal board in
figure 11.
Remove the jumper on terminals 3-4, fitted to connect an ambient thermostat.
Use this device to adjust and programme the temperature of the DHW supply.
Set the heating programme on the QAA73 if just one zone is involved or when adjusting the zone controlled by the QAA73.
The hourly programme of the heating circuit of the other zones can be set directly on the boiler control panel.
For user settable parameters, see the instructions supplied with the QAA73 climate controller.
IMpORtant:
For zone systems, parameter 80 “HC2 gradient”, set on the QAA73 climate controller, must be set to —.- inacti-
ve.
- qaa73: user settable parameters (service)
Press both the PROG buttons for at least 3 seconds to access the list of parameters that can be displayed and/or set by the fitter.
Press one of these two buttons to change the parameter to view or modify.
Press [+] or [-] to modify the displayed parameter.
Press one of the PROG buttons to save.
Press the information button (i) to exit the programming mode.
The most commonly used parameters are indicated below