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Floor Model Sauna Heater

Instructions for Installation and Use

Sauna Heater

Models: SMS-100, SMS-100-3, SMS-125, SMS-125-3, SMS-145, & SMS-145-3

11/10

Pub. No. 573-B

- 1 -

Sauna heater installation, wiring, operating instructions, trouble-
shooting, maintenance, and warranty.

IMPORTANT: This manual must be left with the owner, manager, 
or operator of Sauna after it is used by the electrician!

Purpose of the electric heater:

The Steamist SMS-100 thru SMS-145-3 sauna heaters are 
designed for the heating of large saunas to bathing temperature. 
It is forbidden to use the heater for any other purposes. Please 
read the user's instructions carefully before using the heater.

NOTE: These Instructions for Installation and use are intended 
for the owner or the person in charge of the sauna as well as for 
the electrician in charge of the electrical installation of the heater.

1. Instructions for Use

1.1 Piling of the Sauna Stones

1.2 Heating of Sauna

1.3 Control Unit of Heater

1.4 Throwing Water on Heated Stones

1.4.1 Sauna Water

1.4.2 Temperature and Humidity of the Sauna Room

1.5 Instructions for Bathing

1.6 Warnings

1.7 Troubleshooting

2. Sauna Room Construction - General Information

3. Instructions For Installation

3.1 Prior to Installation

3.2 Installation of Control Unit and Sensor

3.3 Installation of Heater

3.3.1 Single Phase Heater Wiring and Hookup

(SMS-100, SMS-125, and SMS-145)

3.3.2 Three Phase Heater Wiring and Hookup

(SMS-100-3, SMS-125-3, and SMS-145-3)

3.4 After Installation

3.4.1 Testing of Sauna Heater

3.4.2 Troubleshooting

3.4.3 Overheating Limiter

Maintenance Instructions

Steamist Limited Warranty

Spare Parts

1.1 Piling of the Sauna Stones

The sauna stone for an electric heater should be 2-4" in 

diameter. The heater stones should be solid blocks of stone 

specially intended for use in the heater. Neither light, 
porous ceramic "stones" of the same size nor soft 
potstones should be used in the heater, because they 
may cause the resistance temperature to rise too high as 
a result of which the resistance may be broken.

Stone dust should be washed off before piling the stones. 

The stones should be piled into the stone compartment 
over the grating, between heating elements (resistances) 
so that the stones support each other. The weight of the 
stones should not lie on the heating elements.

The stones should not be piled too tightly, so that air can 

flow through the heater. See Figure 1. The stones should be 
fitted loosely, and not wedged between the heating elements. 
Very small stones should not be put into the heater at all.

The stones should completely cover the heating elements. 

However, they should not form a high pile on the elements.

The stones disintegrate with use. Therefore, they should 

be rearranged at least once a year or even more often if the 
sauna is in frequent use. At the same time, any pieces of 
stones should be removed from the bottom of the heater, and 
disintegrated stones should be replaced with new ones.

The warranty does not cover any faults caused by the use 

of stoves not recommended by the factory. Neither does the 
warranty cover any faults caused by disintegrated or too 
small stones blocking the heater ventilation.

No such objects or devices should be placed inside 

the heater stone space or near the heater that could 
change the amount or direction of the air flowing though 
the heater, thus causing the resistance temperature to 
rise too high, which may set the wall surfaces on fire!

Contents

1. Instructions for Use

®

Summary of Contents for SMS-100

Page 1: ...of the Sauna Stones The sauna stone for an electric heater should be 2 4 in diameter The heater stones should be solid blocks of stone specially intended for use in the heater Neither light porous cer...

Page 2: ...on the heated stones to reach a suitable level of humidity in the sauna The humidity of the air in the sauna room is controlled by the amount of water thrown on the stones A correct level of humidity...

Page 3: ...need to exit the room C Unawareness of impending hazard D Fetal damage in pregnant women E Physical inability to exit the room F Unconsciousness WARNING the use of alcohol drugs or medication is capab...

Page 4: ...warning texts on the cover of the junction box can also be read without difficulty after the installation SMS heaters have not been approved to be installed in a recess in the wall or floor 3 2 Insta...

Page 5: ...f this manual 3 3 1 Single Phase Heater Wiring and Hookup SMS 100 SMS 125 SMS 145 Refer to table 2 for proper wire size and amperage See figures 2 6 for required clearances Use copper wire from breake...

Page 6: ...with built in control 2 Check circuit breaker in contactor to be sure that it has not been shorted out 3 Make sure that the current from the control unit to the heater has been switched on 4 Check tha...

Page 7: ...verheating Limiter Each heater is equipped with an overheating limiter which is a safety device If an abnormal heating condition should occur the heater will automatically shut off and it will not com...

Page 8: ...manufacturer s agent after the defective parts are returned to Steamist The replacement of parts under warranty does not extend the warranty period beyond the original one year period In addition Ste...

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