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Les langues disponibles
Heater model
Input
kW
HL(S)7U1
6,8
HL(S)9U1
9,0
HL(S)11U1
10,5
HL(S)7U3
6,8
HL(S)9U3
9,0
HL(S)11U3
10,5
Table 3. Supply wires (from the power unit to the heater)
3.4. Installation of the Control Unit and
Sensor
The control unit includes detailed instructions
•
for fastening the unit on the wall.
Install the sensor (WX248), which comes with
•
the heater, as shown in figure 5.
Do not place the supply air vent so that the air
flow cools the temperature sensor. Figure 4.
3.4.1. Suitable control units
Harvia CX30-U1-U3
•
Harvia CX45-U1-U3
•
See more detailed information from table 3.
Heater grade setting of the control unit: See table 4.
Please read the instructions of the control unit.
HL(S)7U1 / HL(S)9U1 / HL(S)11U1
240V 1-Phase heater
R1
R2
L1
L1
1
L1
L1
1
Figure 6.
Electrical connections of heater
Voltage Ph Amperage
1-Group
2-Group
connection
connection
240
1
28,25
18,9
240
1
37,5
25
240
1
43,75
29,2
208
3
18,8
n/a
208
3
25
n/a
208
3
29,2
n/a
R3
T
140°C
2 - Group
L2
L2
A1 A2
connections
2
2
1
1- Group
L2
L2
A1 A2
connections
2
2
1
EN
Min. 90 °C Copper
Suitable control units
supply wire AWG No.
1-Group
2-Group
1-Group connection
connection
connection
10
12
CX30-U1-U3 /
CX45-U1-U3
8
10
CX45-U1-U3
6
8
CX45-U1-U3
12
n/a
CX30-U1-U3 /
CX45-U1-U3
10
n/a
CX30-U1-U3 /
CX45-U1-U3
8
n/a
CX30-U1-U3 /
CX45-U1-U3
Heater model
HL(S)7U1
HL(S)9U1
HL(S)11U1
HL(S)7U3
HL(S)9U3
HL(S)11U3
Heater grade setting of the control unit
Table 4.
HL(S)7U3 / HL(S)9U3 / HL(S)11U3
208V
3-Phase heater
R1
L1
2-Group connection
CX30-U1-U3 /
CX45-U1-U3
CX30-U1-U3 /
CX45-U1-U3
CX30-U1-U3 /
CX45-U1-U3
n/a
n/a
n/a
Heater grade setting of the
control unit
C2
C2
C1
C2
C2
C1
R2
R3
T
140°C
A1
A2
L2
L3
9
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