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3.4. Safety Railing
A safety railing must be built around the heater.
The minimum distances given in figure 7 must be
observed.
3.5. Electrical Connections
The heater may only be connected to the electrical
network in accordance with the current regulations
by an authorised, professional electrician.
The wiring diagrams are included in the only you
control unit's installation instruction.
Further instructions concerning exceptional installa-
tions can be obtained from local electrical authorities.
1. Remove heater from carton and place in
proper location in sauna room. Observe proper
clearances as per figures 7 and table 1. After
final hookup, electrical contractor should
secure heater to floor with at least two screws
or bolts.
2. See applicable wiring diagram for heater
model (figures 8–9, see control unit manual
for detailed instructions how to connect the
heater and the control unit). Heater must be
permanently installed (no pigtails or plugs
allowed) and wiring must be done by a licensed
electrician, who must follow wiring diagram
provided and adhere to local codes. Use
proper A.W.G. rated wire size and use copper
wire suitable for 90 °C within sauna walls.
Use grounding terminals provided in sauna
heater and control unit to properly ground the
equipment as per NEC and local codes.
3. Inside the heater box there are two signs.
Please place the metal "CAUTION" sign on the
Connecting cable
Installation example
Parts not supplied
Figure 8.
Connections of the heater
12
interior wall of the sauna room directly above
the heater in a visible place. Place the metal
"WARNING" sign outside, on the door of the
sauna room. "MAINTENANCE INSTRUCTIONS"
are at the end of this manual.
3.5.1. Installation of the Control Panel
The control panel is splashproof and has a small
operating voltage. The panel must be installed in the
washing or dressing room, or in the living quarters.
If the panel is installed in the sauna room, it must be
at the minimum safety distance from the heater and
at a maximum height of one metre from the floor.
The control panel is delivered with an installation
flange, two fixing screws and a 3 metre data cable
which can be shortened if necessary. Cable can be
extended up to 15 meters using 4 core heat resist-
ant cable.
Conductor tubing inside the wall structure allows
you to thread the data cable hidden within the wall
– otherwise the installation will have to be on the
wall surface.
Fasten the control panel as follows:
1. Thread the data cable through the flange.
Fasten the flange with fixing screws.
2. Place the control panel in the flange. The panel
locks in the flange by means of spring clamps.
3. Connect the free end of the data cable to the
connector in the heater on a colour-to-colour
principle (figure 9).
3.6. Electric heater insulation resistance
When performing the final inspection of the electrical
installations, a "leakage" may be detected when meas-
uring the heater's insulation resistance. The reason
for this is that the insulating material of the heating
resistors has absorbed moisture from the air (storage
transport). After operating the heater for a few times,
the moisture will be removed from the resistors.
Do not connect the power feed for the heater
through the RCD (residual current device)!
240 V 1-PHASE SAUNA HEATER
WITH BUILT IN CONTROLS
Heater model
Input
Voltage
kW
HAFU4502401 4,4
240
HAFU6502401 6,5
240
HAFU1002401 9,8
240
Table 2. Supply wires
Phase
Amperage
Min. 90 °C
Copper supply
wire A.W.G. No.
1
18,3
12
1
27,0
8
1
40,8
6
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