Vaillant ecoMAX 646, Руководство по установке и обслуживанию

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15 Installation and maintenance manual ecoMAX 646
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N L 9 8 7 5 4 3
RT 24V 230V RT 230V
Fig. 4.11 Example of cable insertion
• Then insert the connecting cables (5) into the elec-
tronics box and cut them to length.
• Strip the connecting cable by about 2-3 cm and bare
the wires.
• Connect the connecting cables to the corresponding
ProE plugs or slots of the electronics.
Caution!
Do not connect the mains voltage supply to ter-
minals 7, 8, or 9. The electronics could be de-
stroyed by this!
• If no room/clock thermostat is in place, provide a
jumper between terminals 3 and 4 if not already
present. Remove the jumper if a room/clock thermo-
stat is connected to terminals 3 and 4.
• When connecting a weather-controlled temperature
controller or room temperature controller (continuous
controlling - terminals 7,8,9), the jumper between ter-
minals 3 and 4 must remain in place.
• Close the rear cover of the electronics box and press it
in until you hear it click into place.
• Lift up the electronics box and press it by the two clips
on its left and right against the lateral appliance cas-
ings until you hear the clips click into place.
• Attach the front casing.
• In order to attain pump mode I (continuous pump) for
VRC-MF-TEC or the multicircuit controller, increase the
pump run-out time to 15-20 minutes (diagnosis point
d.1, see chapter 6.2).
4.8.3 Connecting accessories and external system
components
The Vaillant ProE system facilitates a quick and trouble-
free connection of accessories and external system com-
ponents to the appliance electronics. Proceed with the
wiring up as follows:
• Take off the front casing of the appliance and lift the
electronics box forward.
• Unclip the back cover of the switch box (1) from its fix-
ings (2) and lift it up.
• Guide the connecting cables of each of the compo-
nents to be connected through the PG screw connec-
tions (4) located on the bottom of the appliance to the
left.
• Then insert the connecting cables (5) into the elec-
tronics box and cut them to length.
• Strip the connecting cable by about 2-3 cm and bare
the wires.
• Connect the connecting cables to the corresponding
ProE plugs or slots of the electronics.
Please note that the jumper on the ProE plug should be
removed when connecting a maximum thermostat (feed
thermostat) for floor heating.
• Close the rear cover of the electronics box and press it
in until you hear it click into place.
• Lift the electronics box up and press it by the two clips
on its left and right against the lateral appliance cas-
ings until you hear the clips click into place.
• Attach the front casing.
Installation 4