12"
7" TO 12"
CEILING
12"
THERMOSTAT
BULB
WOOD MOLDING
NAILS
HIGH LIMIT
SWITCH
HEATING ELEMENTS
1 2 3
GR
GR
LIMIT
CONTROL
TIMER
HEATING ELEMENTS
1 2 3
3
GR
GR
CONT
ACT
OR THERMOST
A
T
LIMIT
CONTROL
L1 L2
TIMER
CONT
ACT
OR THERMOST
A
T
1
2
3
1
2
LIMIT
CONTROL
L1 L2
240V 1PHASE HEATER
240V 1PHASE HEATER
HEATING ELEMENTS
LIMIT
CONTROL
1 2 3
GROUND
GND
CONT
ACT
O
R
CONT
ACT
OR
HEATING ELEMENTS
GND
GND
1 2 3
GND
GND
CONT
ACT
OR
LIMIT
CONTROL
HEATING ELEMENTS
L1 L2
L1 L2
L1 L2 L3
SMS-45
SMS-60
SMS-80
SMS-60R
SMS-80R
SMS-80R-3
4.5
6
8
6
8
8
4,500
6,000
8,000
6,000
8,000
8,000
18.8
25
33.3
25
33.3
22.2
240
240
240
240
240
208
1
1
1
1
1
3
10-2
8-2
6-2
8-3*
6-3*
10-4*
SMS-45 & SMS-60
SMS-80
240V 1PHASE HEATER
SMS-60R
240V 1PHASE HEATER
SMS-80R
208V 3PHASE HEATER
SMS-80R-3
Built-In
Built-In
Built-In
S170-1
S170-1
S170-3
THERMOSTAT TUBING
(CAPILLARY TUBING)
Take care to avoid sharp
bends in capillary tube, to
prevent damage to the tube
and the liquid within.
THERMOSTAT
BULB COVER
Nail or screw bulb guard to
wall to secure sensing bulb.
11/10
Pub. No. 570-C
- 4 -
Figure 6 - Wiring Diagram
Figure 5
Owners Manual
Table 2 - Sauna Heaters
Model
Heater kW
Watts
Amps
Volts
Phase
Minimum 90°C
Copper Wire Size
AWG #
Control
25A
35A
45A
35A
45A
30A
Breaker
*Note: neutral wire required