GB
19
OPERATION
A - PRESENTATION
• The following are located inside the heating control
box:
- the power switch to which the electric heating
power supply is connected,
- the power outgoing feeders, protected by circuit
breakers, supplying electrical power to the
immersion heaters,
- the 2-stage electronic controller handling the
operation of the electric heater and controlling the
unit (with its water circulation pump) according to:
. the On/Off and Heating / Cooling selection
made on the remote control,
. the system’s water temperature (installation
return) measured by a probe.
• The potentiometers used to set the various thresholds
are located under the cover of the controller’s front
panel.
30
31
UN
32
33
12
10
13
34
S1
56
11
R1
R2
GR
Chaud
Heat
Froid
Cool
56
7
3
4
8
10
1
29
36
39
33
42
30
45
14
16
12
18
10
20
29
31
27
33
25
35
DL3
DL4
DL5
DL2
DL1
J2
AJ1
appoint
R1
AJ2
offset
R2
AJ3
heating
limit
AJ4
cooling
limit
Potentiometer
AJ1
AJ2
AJ3
AJ4
Function
Electric heater
1
st
stage
cut-in temperature
Electric heater
2
nd
stage
cut-in offset
Unit
authorization
threshold
in heating mode
Unit
authorization
threshold
in cooling mode
Factory settings
38°C
5 K
15°C
25°C
Regulation
power
supply
(230V)
1
st
stage
command
2
nd
stage
command
W
ater
circulating
pump
control
Electric
heater 2
nd
stage ON
indicator
Electric
heater 1
st
stage ON
indicator
Mode indicator
(by remote
control)
Unit On
indicator
Unit
command
Remote
control
Water temperature
probe
(installation return)
On/Off
HEAT/
COOL
