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Knockouts for 

Electrical Supply Line

Water Inlet 

Compression 

Fitting

¾" Steam 

Outlet

¾" Safety 
Relief Valve

Auto Drain Ready 

½" Capped line 

Identification
Plate

Knockouts for 

Control Cables

Securing 
Screws

Electric Panel 
Cover

Install Upright

and Level

Knockouts for 
Control Cables

®

The Steamist “SM” Generator operates with one or two controls 
appropriately located inside and/or outside the steamroom. It’s 
small enough in size to be tucked away using very little space in 
a vanity, closet, basement, or an insulated attic, but large enough 
to provide steam for most residential baths.

The Steamist “SM” Steambath Generator comes factory 
assembled, carefully wired and tested.

NOTE: The SMC-120, SMC-150, TC-125, TC-150, TC-110, 
TC-135, DSC-425, and DSP Controls are designed to work with 
all Steamist “SM” Generators.

1. 

Pre-Installation

a) Proper electrical supply (208 or 240 Volt): See rating label 

on Steam Generator and Chart on back page. Determine 
proper size of wire, voltage, amperage, and phase for the 
Steam Generator. Only UL rated 90°C wire can be used.

b) Dedicated overcurrent protection device, such as an 

in-line fuse/circuit breaker required: Fuse/circuit breaker 
to be installed must be sized in accordance with chart 
on back page. Do NOT install a GFI (Ground Fault 
Interrupter) to this equipment (per article 210-8 in the 
National Electric Code).

c) Route power supply cable to the location where the 

Steam Generator will be installed (before walls are 
closed).

2.

 Electrical Rough-in

a) At this time read through the installation instructions for 

the selected control(s).
b) Route appropriate power cable to the location the 
Steam Generator will be installed. If receptacle is 
desired, mount the box for the receptacle near the 
location of the Steam Generator (see Figure 3: Typical 
Installation).

 NOTE: 

The plug and receptacle require a rating of no 

less than 250V and proper amperage. Refer to chart on 
page 4 for amperage rating.
    

     After the walls are complete, the Steam Generator and 

Control can be wired.

3.

 

Steam Generator Electrical Installation

 WARNING: 

All power to the Steam Generator must be  

 turned 

off.

a) Remove the two screws holding the electrical 

access cover and remove cover.

b) Locate the supply line knockout. Mount proper 

strain relief into knockout hole (see Figure 2: 
Internal Electrical Connections).

c) Strip back power cable’s outer insulation jacket 

eight inches and insert into Steam Generator.  
Strip back insulation ½" from the three (3)     
incoming wires (two power and one ground).

d) Connect incoming ground wire to floating green 

pigtail labeled “GND.”

    CAUTION:  Be sure the ground wire does not 

come in contact with a live electrical part. 

e) Connect incoming power to floating black pigtail 

leads labeled “L1” and “L2” (see Figure 2: Internal 
Electrical Connections).

f) The Steam Generator is ready for operation once 

the installation of the controls is completed (refer to 
separate Installation and Operating Instructions).

WARNING:

 

Elderly persons, pregnant women, or those suffering from heart disease, high blood pressure, diabetes, or 

who are otherwise not in good health, do not use this device unless directed to do so by a physician. Also, do not use 
steambath while under the influence of alcohol. For additional Important Safety Information, please see a separate 
instruction Pub. No. 199.

!

IMPORTANT: The warranty of this product is voided if it is used in a commercial application or for anything other than a residential 
steambath installation. All electrical connections must be performed by a licensed electrician in accordance with Local and National 
Electric Codes. This  product is not intended for use with Home Automation systems.

C

US

®

Electrical Installation Instructions

Auto Drain Ready Steambath Generators

Models: SM-5, SM-7 and SM-9

Figure 1 - Steam Generator

06/10

Pub. No. 280-A

- 1 -

®

Summary of Contents for SM-5

Page 1: ...e plug and receptacle require a rating of no less than 250V and proper amperage Refer to chart on page 4 for amperage rating After the walls are complete the Steam Generator and Control can be wired 3 Steam Generator Electrical Installation WARNING All power to the Steam Generator must be turned off a Remove the two screws holding the electrical access cover and remove cover b Locate the supply li...

Page 2: ...mist com CAUTION An improperly sized Steam Generator will NOT produce the amount of steam necessary to reach selected temperature The proper voltage Steam Generator has been selected i e 208V or 240V A 208V Generator operating on 240V will damage the heating element and a 240V Generator operating on 208V will result in a 25 loss of power The Steam Generator is installed in an upright position The ...

Page 3: ... for future use SMC 150 or TC 150 Control MUST be installed inside the steam room NOTE Unit must be wired with 90 C wire in a suitable raceway or if local codes allow provide twist lock plug on a 90 C wire cord from generator to a 250V 2 pole 3 wire grounding receptacle amperage rating as required Control Cable Route from Control to Steam Generator in a conduit Appropriately fuse protected 208 240...

Page 4: ...90ºC wire guideline The NEC requires NM B type cable max current to be de rated Always follow local and national electrical codes Electrical Installation Instructions Wiring Diagram for Models SM 5 through SM 9 Models SM 5 SM 7 and SM 9 06 10 Pub No 280 A 4 Specification Chart 8 8 9 5 7 300 38 44 10 10 8 6 30 30 40 45 50 60 Model No Max Cu Ft For Area Up To KW Volt Phase Amps Wire Size 90ºC Copper...

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