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3.2. Installation Place and Floor-Attachment
of Heater
The AV heater is fixed to the floor. It can be directly
placed on a wooden floor provided that the effect of the
heater's weight of approx. 150 kg on the substructure is
taken into consideration. Position the heater directly on
the base with the help of its adjustable legs. Attach the
heater to its base with screws through the holes in the
opposite corners of the base.
Install the heater so that the operating switches are
easy to use and it is easy to throw water on the rocks.
The heater should be positioned so that the heater lid
directs the steam from the hot stones to one side and
not directly towards the bathers.
3.3. Safety Railing
If a safety railing is built around the heater, the
minimum distances given in figure 5 must be observed.
3.4. Electrical Connections
The heater may only be connected to the electrical network
in accordance with the current regulations by an authorised,
professional electrician.
Refer to the chart in table 2 to determine the wire size
and circuit protection required. The complete sauna system
should be properly grounded as per NEC or as required by
local codes. A grounding terminal is provided in the wiring
compartment of each heater, complate the wiring according
to the appropriate wiring figure 6.
See table 1 for required clearances. Any wiring within
internal Sauna walls must be rated for 90°C (194°F) and
copper wire must be used. Run wire through seal tight flex
conduit from wall to heater and connect to junction box.
Note! If connection to heater will be made at a later time,
bring flex into Sauna room 4–6" (100–150 mm) from floor,
and leave 3' (900 mm) of flex for hookup (can be cut to
right lenght later).
Further instructions concerning exceptional installations
can be obtained from local electrical authorities.
3.5. Electric heater insulation resistance
When performing the final inspection of the electrical
installations, a "leakage" may be detected when
measuring 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 fault current switch!
Figure 6. Electrical connections of the heaters
240 PHASE AV- SAUNA HEATER WITH BUILT IN CONTROLS
Heater
Input
Voltage
Model
kW
AV-4-1
4,4
AV-6-1
6,5
Table 2. Supply wires
Phase
Amperage
240
1
18,3
240
1
27,0
Min. 90°C Copper supply
wire A.W.G. No.
12
8
9.
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