Important
The different menus are only accessible when the icons flash.
Press the key to:
access the next menu,
access the next sub-menu,
access the next parameter,
increase the value.
Press the key to:
access the previous menu,
access the previous sub-menu,
access the previous parameter
decrease the value.
Press the confirmation key
to confirm:
a menu,
a sub-menu,
a parameter,
a value.
When the temperature is displayed, briefly pressing the back key
h
will
return to the time display.
9.1.3
Description of the PCBs
When commissioning the heat pump, the PCB displayed in the main menu
is EHC–04. The name of the PCB scrolls along the bottom of the screen:
EHC–04.
Only the installer can access the parameters and settings for each PCB.
In order to control an installation that has an additional circuit, it will be
necessary to install the SCB-04 PCB. The name of the PCB scrolls along
the bottom of the screen: SCB-04.
Important
Given that numerous settings can be made on the two PCBs, de
pending on the circuit concerned, the name of the PCB will be rep
resented by
in the rest of the manual.
9.2
Start-up
1. Switch on the outdoor unit and the indoor module simultaneously.
2. The heat pump begins its start-up cycle.
If the start-up cycle runs normally, an automatic venting cycle is in
itiated. Otherwise, an error message is displayed.
9.3
Shutdown
9.3.1
Switching off the heating
Important
Heating mode can be managed via the TIME PROG sub-menu
dedicated to timer programming.
Important
If the heating function is shut off, then the cooling will also be shut
off.
Fig.94
MW-1000576-1
Fig.95
MW-2000370-1
Fig.96
MW-2000371-1
Fig.97
PCB controlling the heat pump
MW
-1
0
0
0
7
5
4
-2
...EHC / --04...
Fig.98
Management of a second circuit
MW
-1
0
0
0
6
8
7
-1
...SCB / 04- / B...
9 Operation
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