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07/07

Pub. No. 323-H

3. Steam Generator Electrical Installation

4. Optional Auto Drain Valve Connection

a)

b)

c)

d)

e)

Remove the six screws holding the electrical access 

cover and remove cover.

Locate  the  supply  line  knockout.  Mount  proper 

strain relief into knockout hole.

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). 

Insert ground wire into grounding lug located on the 

right side of the electrical compartment and secure.

 

CAUTION:

  Be sure the ground wire does not come 

in contact with a live electrical part.   

Locate the terminal block in the upper portion of the 

electrical  box.  Insert  power  wires  into  the  power 

lugs on the right of the terminal block and secure.  

Open  knockout  for  Auto  Drain  Valve  conduit 

connection.

Route  flexible  conduit  from  valve  to  knockout  and 

secure. 

Connect  two  wires  from  valve  to  the  two  place 

terminal strip provided (See figure 2).

a)

b)

c)

WARNING: 

All power to the steam generator must 

be turned off. 

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.

2. Electrical Rough-In

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).

a)

Electrical Installation Instructions

Models:

 SM-12 and SM-15

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.

Steambath Generators

C

US

®

LISTED 995C

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.

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.

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).

Route power supply cable to the location where the 

Steam Generator will be installed (before walls are 

closed).

1. Pre-Installation

a)

b)

c)

NOTE: 

The  TC-110,  TC-135,  DSC-425,  and  DSP 

Controls  are  designed  to  work  with  all  Steamist  “SM” 

Generators.

Optional Auto 

Drain Installed 

Water Inlet 

⅜“ Compression 

Fitting 

¾“Safety  

Relief Valve 

¾“ Steam 

Outlet 

Electrical 

Panel Cover 

Knock-outs for 

Electrical Supply Line 

Knock-out for 

Control Cable 

- 1 - 

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.

!

Figure 1 

Steam Generator 

Install Upright and Level 

Summary of Contents for SM-12

Page 1: ...al 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 Steambath Generators C US LISTED 995C 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 aw...

Page 2: ...h 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 proper sized 90 C wire and circuit breaker have been used The circuit breaker is NOT a GFI Ground Fault Int...

Page 3: ...rage rating as required Outside Installation TC 110 or DSP Timer Only Control Cable Route from Control to Steam Generator in a conduit Figure 3 Typical installation Appropriately fuse protected 208 240V field wiring to Steam generator TC 135 DSC 425 and DSP Temperature Control MUST be installed inside the shower Inside Installation Control should be mounted four feet from the floor Select a locati...

Page 4: ...oltage Multi Conductor Cable Typical Steamist Control P14 P12 P11 P16 P15 P10 P1 P2 P6 P8 P7 P9 P4 P3 P5 L H XL P18 P17 DS1 DS2 DS3 DS4 See Chart Test Switch BLU WHT GREY Water Solenoid Valve Terminal Block Optional Auto Drain Valve GRN Heating Elements Water Level Probe Fuse 0 15 AMP SM 12 15 THREE PHASE SCHEMATIC P13 GND Auto Drain Sensor BLU COIL GND BLK BLK BLK YEL BRN ORG ORG BLK BLK RED BLK ...

Page 5: ...n a moist humid area or in an area where parts may freeze or corrode Also do NOT install near flammable materials such as paints thinners gasoline etc The steam line and safety valve reach a temperature of 212 F during operation and should be appropriately protected to prevent personal injury by accidental contact 1 Pre Installation a b c NOTE Safety Valve should be connected to a minimum indirect...

Page 6: ...orm a water tight seal Escutcheon Steamhead Tighten the screw to the steamhead with the screw to face down Installation Instruction for Steamhead Escutcheon 1 2 3 4 5 Be sure the steam pipe is installed with the proper length pipe protruding through the wall Apply silicone sealant around the pipe to seal the pipe to the wall Slip the Escutcheon over the steamhead loosely Screw on the steamhead mak...

Page 7: ...ct waste or as required by Local Codes Outside Installation TC 110 or DSP Timer Only TC 135 DSC 425 and DSP Temperature Control MUST be installed inside the Steam Room WARNING When installing the Steamist Unit in conjunction with an acrylic modular tub shower unit please consult the manufacturer of the module for location of the steamhead Steam Outlet Pipe Use a minimum of a Copper or Brass pipe C...

Page 8: ...alled INDOORS in a DRY NON FREEZING location away from flammable materials such as Gasoline Paints Thinners Etc IMPORTANT Steam Generator must be installed upright and level SPECIFICATION CHART 6 4 12 240 208 8 8 70 80 40 45 Model No Max Cu Ft For Area Up To KW Volt Phase Amps Wire Size 90ºC Copper AWG Line Fuse SM 12 450 240 208 1 1 3 3 50 58 29 33 SM 15 550 15 240 208 240 208 1 1 3 3 63 72 36 42...

Page 9: ...s of two 15 kilowatt Steam Generators therefore reference Specification Chart below Master Slave Interconnection The only common connection between the Master Slave generators is as follows Connect the cable supplied with Slave Unit from Telco receptacle at Slave Unit to same at the Master Unit See diagram on back Control Connection The controls are to be connected to the Master Generator as descr...

Page 10: ... for this application Each generator requires it s own steamhead When a system is purchased you receive 2 steamheads 1 with the control and 1 with the slave generator You must not install these steamheads any closer than 6 Steamheads must be 18 from the finished floor or 6 above the rim of the tub 2 07 07 Pub No 563 C East Coast Office 275 Veterans Blvd Rutherford NJ 07070 Tel 800 577 6478 Fax 201...

Page 11: ... 7 SM 8 SM 11 SM 12 SM 15 System 18 System 24 and System 30 The Steamist InstaMist generators feature pre heat function which provides a generous volume of steam in under a minute This new feature maintains an average water temperature of 180 F in the stainless steel reservior When the steam generator is activated the pre heated water inside the steam generator quickly reaches the boiling point al...

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