Harvia HPC(S)7U1H Owner's/Operator's Manual page 9

Main Electrical Panel
Note: Control panel and power unit must be installed in a dry
place; away from spa, pool or shower; not outdoors. A
receptacle shall not be installed inside the sauna room.
Load Center
Load center shall be supplied by
electrical contactor during field
wiring. Load center can be
located in other serviceable
places, as well as location
shown on this diagram.
Figure 5. Minimum safety distances and sauna controls.
HPC(S)7U1H
4''
HPC(S)7U3H
100mm
HPC(S)9U1H
HPC(S)9U3H
Figure 6. Installing the temperature sensor
Heater model Input
kW
HPC(S)7U1H 6,8
HPC(S)9U1H 9,0
HPC(S)11U1H 10,5
HPC(S)7U3H 6,8
HPC(S)9U3H 9,0
HPC(S)11U3H 10,5
Table 3. Supply wires (from the power unit to the heater)
Control Panel
Power Unit
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
EN
4"
100mm
Heater
Sensor HPC(S)7U1H
HPC(S)7U3H
C
HPC(S)9U1H
HPC(S)9U3H
HPC(S)11U1H
HPC(S)11U3H
A A
min.
2,8''/70mm
SEAL TIGHT CONDUIT
90°C WIRE
HPC(S)11U1H
HPC(S)11U3H
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
A B C
inch mm inch mm inch mm
1,2 30 4 100 35 890
1,2 30 4 100 35 890
1,2 30 4 100 32,5 830
B
4''
100mm
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
9