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The maximum permissible immersion of the heater has been provided in Figure 2.
Figure 2. Installing HUUM DROP electric heater inside the sauna bench
Connecting the heater to the power supply
ATTENTION!
Only a certified electrician is allowed to connect the heater to the
power supply.
• The power cable of the heater must meet the requirements (against sunlight,
water and oil) of UL 62 in US and CSA 49 in Canada.
• The maximum current amperage in the cross-sectional area of the cable and
circuit breaker has been provided in Table 2 and Table 3.
• It is recommended to connect the unit to the mains without
a GFCI breaker.
Table 2.
DROP 4
DROP 6
DROP 7
DROP 9
*
In case there are any uninsulated brick, tile, or glass walls in the sauna room, an additional 4,8 ft³
must be added to the sauna room volume for each 1 ft² of such wall; or 1,5 m³ for each 1 m²
6
Output
Room*
kW (240 V)
106-247 ft
4.5
3–7 m
177-353 ft
6
5–10 m
247-424 ft
7.5
7–12 m
282-530 ft
9
8–15 m
min.
14.8 in /
375 mm
Amps
A
3
18.75
3
3
25
3
3
31.25
3
3
37.5
3
Circuit Breaker
A
30
30
40
50
Min.Wire Size
AWG
10
10
8
6
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