Mr. steam CU-4500 Instruction manual

.steam

Feel Good Inc.

CU Series Steambath Generators

Installation, Operation & Maintenance Manual Models: CU-360 through CU-4500

Installation, Operation & Maintenance Manual

_______________________________________

IMPORTANT: LEAVE THIS MANUAL

WITH THE OWNER/OPERATOR

_______________________________________

.steam®

C U S E R I E S Installation, Operating & Maintenance Manual

PUR 100376 10/13

TABLE OF CONTENTS

Before Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Steam Room Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Locating the Steambath Generator . . . . . . . . . . . . . . . . . . .3

Dimensional & Clearance Specifications . . . . . . . . . . . . . .4

Selecting the Steambath Generator . . . . . . . . . . . . . . . . . .5

Installation: Plumbing, Water Supply, Steam Line,

Drain, Safety Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Water Quality Information . . . . . . . . . . . . . . . . . . . . . . . . . .6

Steam Room Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Steam Head & Acrylic Shield . . . . . . . . . . . . . . . . . . . . . . . .7

Electric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Control Circuit Wiring Diagrams . . . . . . . . . . . . . . . . .10-13

Digital 1 Control: Contents . . . . . . . . . . . . . . . . . . . . . . . .14

Control Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Temperature Sensor Installation . . . . . . . . . . . . . . . . . .16

Automatic Blowdown System

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Auxiliary Manual Reset Low Water Cutoff . . . . . . . . . . . . .18

Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Operating and Testing

Automatic Blowdown, Digital 1 Control, CU-HL . . . . . . .20

Warning Signage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Pre-Operation Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Operation:

Automatic Blowdown Instructions . . . . . . . . . . . . . . . . .22

Manual Blowdown Instructions . . . . . . . . . . . . . . . . . . .22

Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . .23

Water Gauge & Gauge Glass: Installation . . . . . . . . . . . . .24

Water Gauge & Gauge Glass: Use and Care . . . . . . . . . .25

24-hour and 7-day Time Switches . . . . . . . . . . . . . . . . . . .25

Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Check:

PC Boards, Probes, Steam Solenoid Valve,

Digital 1 Control, Heating Element . . . . . . . . . . . . . . . .27

Element Replacement Instructions . . . . . . . . . . . . . . . . . .28

Typical Component Arrangement

CU 360–CU 1400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

CU 2000–CU4500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . .31-32

Typical CU Series Steambath Generator

(for illustrative purposes only)

IMPORTANT NOTE:

As you follow these instructions,

you will notice warning and caution symbols. This information

is important for the safe and efficient installation and operation

of this generator. These are types of potential hazards that

may occur during this installation and operation:

signals a situation where minor injury or product

damage may occur if you do not follow instructions.

states a hazard may cause serious injury or death

if precautions are not followed.

steam

®Sussman-Automatic Corporation®[email protected] www.mrsteam.com

43-20 34th Street, Long Island City, NY 11101 TEL: 1 800 76 STEAM FAX: 718 472 3256

9410 S. La Cienega Blvd. Inglewood CA 90301 TEL: 1 800 72 STEAM FAX: 310 216 2944

WARNING

CAUTION

.steam®

C U S E R I E S Installation, Operating & Maintenance Manual

BEFORE INSTALLING

IMPORTANT:

1. Verify that the model and accessories are as specified and

ordered.

2. Verify that the power voltage and control voltage at the

site is suitable for the CU Steambath Generator.

3. Verify the correct steam generator sizing by referring to

the Mr. Steam sizing guide. See page 5.

4. DO NOT use black iron pipe or galvanized pipe for the

steam line. Use brass pipe or copper tubing ONLY, and

in accordance with National and local plumbing Codes.

5. The physical size of the unit, clearance for plumbing

servicing and its distance from the steam room must all

be considered before selecting a location for the generator.

See pages 3 & 4.

6. The Manufacturer's Data Report is supplied with the gen-

erator. This is an important document and may be

required by a State or Provincial Agency. THIS DOCU-

MENT MUST BE SECURED IN A SAFE LOCATION.

7. Do not use or install unauthorized components, acces-

sories or products on the generator or generator piping.

IMPORTANT:

The Mr. Steam Digital 1 System operating

and over temperature control is to be installed in accor-

dance with the specific instructions provided. See Note 7

below.

STEAM ROOM GUIDELINES

IMPORTANT:

The following general information should be

used in conjunction with your architect, designer and contrac-

tor in determining all factors necessary in providing a suitable

and safe steam room environment for your bathers.

IMPORTANT:

Owners/operators should obtain a copy and

familiarize themselves with the latest edition of the American

College Sports Medicine Health/Fitness Faculty Standards

and Guidelines, or a similar resource and reference publica-

tion, and refer to those guidelines for the proper and safe

operation of a spa facility including steam rooms.

Steam room construction information is available from the Tile

Council of America, Inc. at (864) 646-8453 or www.tileusa.com

1. Steam room must be completely enclosed, with full walls,

door, floor and ceiling.

2. It is recommended that a gasketed door be used for heat

sealing and steam containment. Windows, skylights and the

like that are part of the steam room should be double

paned. Only vapor sealed fixtures approved for the appli-

cation should be used.

3. If tile or other smooth surface is used for

the flooring, provide suitable anti-skid strips or equivalent,

to prevent user slipping and injury.

IMPORTANT:

4. Walls and ceilings must be constructed with water-resistant,

non-corrosive surface, such as tile, marble, molded acrylic,

or other non-porous material. The ceiling should be sloped

to prevent dripping of condensate on bathers. If acrylic,

fiberglass or other non-heat resistant- materials are used as

part of the steam room enclosure, see page 7, “Steamhead”

and “Acrylic Shield” for important additional details.

5. Provide floor drains for condensate run-off and steam room

cleaning.

6. Comply with all applicable National and local building

and electrical Codes and confer with design consultants

and contractors for room construction details.

7. The Digital 1 Temperature Control System is

required operating equipment for each steam room. The

operating temperature control is to be set by the

owner/operator to sense desired room temperature at the

sensor location within the steam room. Connection of the

Digital 1 Over Temperature cut-off is mandatory to provide

additional protection to the bathers. The steam room is to

be operated in accordance with “Important” ºinformation

as noted above.

IMPORTANT: Final selection of the steam room temperature

setting is at the discretion of the owner/operator.

CAUTION

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

6. Install steambath generator on a solid and level surface,

and mechanically secure generator in place.

7. Provide access to the steambath generator for servicing.

See page 4 for Dimensional & Clearance Specifications

IMPORTANT:

Steam line, safety valve and drain valve

and plumbing, and steamheads become hot during opera-

tion and remain hot after shutdown for a period of time.

Provide appropriate protection, including insulating plumb-

ing lines. Avoid plumbing runs and steam head locations

that can come in contact with service personnel and

bathers. See page 6.

9. Each steamhead must be located away from

the bather seating areas and traffic patterns as required to

prevent incidental contact with the steamhead or direct steam

emission.

IMPORTANT:

A LOCKED UTILITY ROOM THAT ONLY

PERMITS ACCESS TO THE STEAM GENERATOR AND ITS

CONTROLS BY AUTHORIZED PERSONNEL AND IS NOT

ACCESSIBLE TO THE GENERAL PUBLIC IS STRONGLY

RECOMMENDED.

LOCATING THE STEAM GENERATOR UNIT

(1-4):

1. Mr.Steam®CU commercial steambath generators are

designed to NEMA Type 1 requirements and are intended for

indoor u e only. They are to be located indoor in a dry, clean

location and are not to be ubjected to moi ture, conden-

ate, ho e wa h down or the like.

2. Do NOT install steambath generator outdoors or wherever

environmental conditions may effect the safety and/or per-

formance of the generator.

3. Do NOT install steambath generator in locations such as

unheated attics or basements, or where water could freeze.

4. Do NOT install steambath generator near flammable or

corrosive materials, or chemicals such as gasoline, paint thin-

ners, or the like. Installation in areas having high concentra-

tions of chlorine (such as pool equipment room) must be

avoided.

IMPORTANT:

Select a location for steam generator in

accordance with items 1-4 above and within 25 feet of

the steam room. Reference “Dimensional & Clearance

Specifications” information on pg. 4. See page 5 for guid-

ance if generator is more than 25 feet from steam room.

U T I L I T Y R O O M

Figure 1 3⁄4" Steam

Solenoid

3⁄4" Steamhead

with Acrylic Shield

Steam

Generator

Fully

Insulated

Steam Pipe

Digital 1 Sensor

1" Steam

Outlet

S T E A M R O O M

NOTE:

FOR ILLUSTRATIVE PURPOSES ONLY.

Optional equipment shown.Consult with qualified designer,

architect or contractor for steam room construction details, including location of steam head(s) and sensors.

FOR ILLUSTRATIVE PURPOSES ONLY

MR. STEAM INSTALLATION

WARNING

CAUTION

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

DIMENSIONS & CLEARANCE SPECIFICATIONS

Figure 2:

Typical Arrangement of Boiler with McDonnell Miller.

For illustration purposes only. Refer to all notes below

NOTES FOR FIGURE 2:

1. All dimensions are approximate. Refer to chart on Page 5.

2. MM150 Liquid Level Control on CU-2000 and larger models only.

CU-360 to CU-1400 have electronic liquid level controls.

3. IMPORTANT: Minimum clearance from combustible surfaces.

Refer to Fig. 2 above for legend.

A1" above top of CU generator

BFront of CU generator suitable for alcove installation only.

D1" from rear of CU generator.

EL1" from left side of CU generator.

ER16" from right side of CU generator.

FType of flooring: “C", suitable for combustible flooring.

4. For ease of servicing Mr. Steam recommends a minimum of

36 inches of clearance all around the CU generator.

Steam Outlet Operat ng

Pressure

Control

H gh L m t

Pressure

Control

Pressure

Gauge 15 PSIG

Safety Valve

MM 150 L qu d

Level Control

(see note 2)

Water Feed Inlet

FrontLeft S de

Dra n Valve

On/Off

Sw tch

Gauge Glass

Assembly

He ght

W dth Length

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

SELECT A MR. STEAM CU SERIES GENERATOR

The resultant calculated volume of the steam room

determines the Model CU steambath generator

required. Steam room size and additional constructional

factors affect model selected.

A. To determine the steam room volume first multiply

Length x Width x Height of the steam room

__________________________________________________

Example: A steam room 8' x 9' x 8' = 576 Cu.

Ft.(volume).

Select the Mr. Steam Model which is the next larger vol-

ume. In this example, Model CU-750 is the correct

selection.

Example: 2 Steam rooms each 6' x 10' x 7' x 2 rooms =

840 Cu. Ft. (volume).

In this example, Model CU-1000 is the correct selection.

SEE NOTE B BELOW

NOTE: Insure adequate consideration is given to assure

that the CU unit selected is not undersized for the room

B. NOTE: Certain additional factors effect the

correct sizing of the steambath generator:

1. Construction materials such as glass or glass block, natural

marble or other stones: Increase volume.

2. Piping runs longer than 25 feet from the steambath gener-

ator to the steam room: Increase volume.

Maximum* Water Inlet Steam Generator Dimensions (inches) Shipping

Model No. KW Room Volume (cu ft) Size NPT Outlet Size NPT Width Length Height Wt. lbs.

CU-360 9 400 3/8" 1" 20 30 38 250

_____________________________________________________________________________________________________

CU-500 12 500 3/8" 1" 20 30 38 250

_____________________________________________________________________________________________________

CU-750 18 750 3/8" 1" 20 30 38 250

_____________________________________________________________________________________________________

CU-1000 24 1000 3/8" 1" 20 30 38 270

_____________________________________________________________________________________________________

CU-1250 30 1250 3/8" 1" 20 30 38 290

_____________________________________________________________________________________________________

CU-1400 36 1400 3/8" 1" 20 30 38 300

_____________________________________________________________________________________________________

CU-2000 48 2000 1/2" 1" 24 33 44 330

_____________________________________________________________________________________________________

CU-2500 60 2500 1/2" 1" 24 33 44 380

_____________________________________________________________________________________________________

CU-3000 72 3000 1/2" 1" 24 33 44 390

_____________________________________________________________________________________________________

CU-4500 108 4500 1/2" 1-1/2" 28 34 59 625

_____________________________________________________________________________________________________

*After taking into consideration all factors affecting resultant steam room volume, including materials of construction, distance from genera-

tor to steam room, interior height of steam room ceiling, outside/exterior walls and windows etc, select proper Model CU generator. Consult

with an architect, engineer, designer and/or contractor before making final selection.

3. Exterior walls and outside windows: Increase volume.

4. Steam room with interior height in excess of 8 feet:

Increase volume

IMPORTANT:

The above selection guidelines are

recommendations only. Always consult with contractor,

designer or architect. For general information, contact East

Coast: 1-800-767-8326 or West Coast: 1-800-727-8326.

IMPORTANT:

When specifying a CU Commercial

Steambath generator the following is strongly recommend-

ed for best performance and user satisfaction.

1. One CU steambath generator should service no more that

two (2) steam rooms, each relatively similar in size and con-

struction.

2. If two (2) steam rooms are serviced by one (1) CU genera-

tor, the combined resultant room volume of the two rooms

should not exceed 1000 cubic feet.

3. Each room must be operated with the appropriate Digital 1

temperature control system inclusive of the room operating

temperature control and the high-limit temperature control.

4. In any case, the purchase and/or owner/operator must con-

sult with a designer, architect, and/or consultant to assure

the proper specification of the steam generator.

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

Steam Line

1. The Digital 1 steam solenoid valve should be plumbed as close as

practical to the steam room using only brass pipe or copper tubing

but should remain accessible for service. The steam solenoid should

be plumbed horizontally.

2. Pitch the steam line a minimum of 1/4”per linear foot of run, towards

the steam outlet on the generator, avoid valleys and

trapping of condensate.

3. Fully insulate steam lines with suitably rated high temperature

insulation.

4. Install a suitable strainer or filter between the steam generator and

steam solenoid valve.

5. Provide unions as required to facilitate installation and

disconnection of piping.

Drain

In accordance with Code requirements, provide a drain line

connection from the steambath generator drain valve(s). If an

Auto Blowdown is used, the drain line must be connected to the

automatic blowdown valve. Refer to National and local plumb-

ing Codes for drain requirements including receptor, trap, vent

requirements and drain lines.

Safety Valve

Where permitted by Code, pro-

vide a connection for safety valve

discharge.

DO NOT connect a shut off valve or plug at the safety valve outlet.

DO NOT reduce outlet size of safety valve discharge.

INSTALLATION

Plluummbbiinngg

All plumbing shall be performed by a qualified

licensed plumber and in accordance with

applicable National and local Codes.

Water Supply

1. Connect to hot or cold water line. A hot water line

is preferable, however incoming hot water should

not exceed 160°F

IMPORTANT: The low temperature setting on

many hot water heaters provides 120°F water

2. Provide a service shut off valve and water-line

strainer in the water supply line upstream to the

steambath generator

3. Flush the inlet water line thoroughly

before making connection to the steam-bath gen-

erator.

4. Incoming water supply should be at least 25 psig

and is not to exceed 100 psig.

5. Install a back flow preventor as required

by Code.

6. Provide anti-water hammer device as required in

accordance with Code.

7. Provide unions as required to facilitate installation

and disconnection of piping.

8. Recheck all factory and field plumbing connections

for tightness.

PI P E S I Z E G UIDE

_____________________

Steam Outlet: 1"

Steam Solenoid Valve:3/4"

Steam Head: 3/4"

WATER QUALITY INFORMATION

For optimum results, the feedwater supply should be

tested prior to initial startup. If the mineral content

exceeds the following recommended limits, various

external treatment processes may be used to correct

the problem

NOTE:

An analysis of the on-site boiler feedwater

must be made by a recognized and reliable water

treatment company to ascertain the existing condition

and treatment required.

Recommended Feedwater Quality

Hardness, ppm 8 – 85 (~0.5 – 5 gpg)

P-Alkalinity, ppm 85 – 410 (~5 – 24 gpg)

T. Alkalinity, ppm 200 – 500 (~7 – 0 gpg)

pH (strength of alkalinity) 8.0 – 11.4

Blowdown boiler at least a once a day. If boiler water

or feed-water are outside the above limits, a more

frequent blowdown is required

Recommended Limits Within a Boiler

otal Dissolved Solids, ppm 3500 Sulfite (SO3), ppm 25 – 50

Total Alkalinity, ppm 850 Phosphate, ppm 30 – 60

Suspended solids, ppm 300 P-Alkalinity as CaCO3, ppm 900

Silica (SiO2), ppm 125 Iron, ppm 2

Water quality can affect efficiency or result in boiler damage if neg-

lected. Boiler feedwater contains impurities in solution and suspen-

sion. These impurities concentrate in the boiler. The concentration of

these impurities increases as more feedwater is introduced into the

boiler and steam is produced. If the suspended solids are allowed to

concentrate beyond certain limits, a deposit or “scale” will form on

the boiler internal surfaces. This deposit can interfere with the proper

boiler operation and cause boiler failure.

The concentration of these impurities is generally controlled by the

feedwater quality and by blowdown. Blowdown refers to removing a

portion of the boiler water with high solids concentration and replac-

ing it with makeup water of a lower concentration

WARNING

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

STEAM ROOM GUIDELINES

IMPORTANT:

The following general information should be used in conjunction with your architect,

designer and contractor in determining all factors necessary in providing a suitable and safe steam room

environment for your bathers.

IMPORTANT:

Owners/operators should obtain a copy and familiarize themselves with the latest edition

of the American College of Sports Medicine Health/Fitness Faculty Standards and Guidelines (ISBN:

0736051538), or a similar resource and reference publication, and refer to those guidelines for the proper

and safe operation of a spa facility including steam rooms.

STEAMHEAD

(3/4” N.P.T.)

1. For steam rooms constructed of tile, marble or similar non-

porous heat-resistant materials for the enclosure, locate

steam head 12 inches above steam room floor and install

Mr.Steam PN CU-103985 acrylic shield on each steamhead.

IMPORTANT:

For Steam rooms using acrylic, fiberglass or

other non-heat resistant materials used for steam room enclo-

sure, install each steam head 20-30 inches above the floor.

2. Locate each steamhead away from bather seating area and

away from traffic patterns as required to prevent incidental

contact with steamhead or direct steam emissions.

3. Install each steamhead with steam slots facing to the left

and right as shown in the diagrams.

4. NOTE: To preserve the steamhead finish, do not use

wrench or other tools to tighten. Use of proper thread

sealant and hand tightening is usually sufficient.

5. Apply a bead of silicone around the steamhead where it

meets the wall as required to prevent moisture damage.

ACRYLIC SHIELD

Apply a small bead of silicone in the grooves on the top and

bottom of the steamhead. Place an Acrylic Shield (PN 103985)

over the steamhead until the tabs engage the grooves in the

steamhead.

IMPORTANT:

Do not use with fragrance containing

aldehydes. Acrylic Shield damage may result. Mr. Steam

oils are approved for use with this acrylic shield.

Fully Assembled

Assembly

Steam Head

Steam Pipe

Acrylic Sheild

Use Teflon or equal

sealant on pipe threads

Steam

Supply Pipe

Fill gap with silicone or

equal sealant as required

for moisture seal

Diagram A

Steam Head

3/4”

Finished interior face

of steam room wall

Diagram B

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

ELECTRIC

Electric shock hazard. Disconnect all

power supplies at the main disconnect switch before

proceeding. All electrical wiring must be installed by a

qualified licensed electrician in accordance with National

and local Codes.

The steambath generator is factory wired and pre-tested

before shipment. Electrical power supply details are provid-

ed on the data plate secured to the generator and as part of

this manual. Refer to applicable wiring and schematic infor-

mation.

1. Check power and control circuit voltage requirements on

the data plate.

NOTE:

Separate 120 VAC line is not required if optional

120 VAC control transformer has been purchased and pro-

vided as factory equipment.

2. Use minimum 90° C insulated copper conductors only for

field wiring, sized in accordance with National and local

electric Codes. Refer to Amperage Chart below.

AMPERAGE CHART -

Indicates Total Ampere Draw of Specific CU Model at Voltage & Phase Specified

Model No. kW 208V/1 PH 208V/3 PH 240V/1 PH 240V/3 PH 480V/3 PH 600V/3 PH

____________________________________________________________________________________________________________________________

CU-360 9 44 25 38 22 11 9

____________________________________________________________________________________________________________________________

CU-500 12 58 34 50 29 15 12

____________________________________________________________________________________________________________________________

CU-750 18 87 50 75 44 22 18

____________________________________________________________________________________________________________________________

CU-1000 24 116 67 100 58 29 24

____________________________________________________________________________________________________________________________

CU-1250 30 145 84 125 73 37 29

____________________________________________________________________________________________________________________________

CU-1400 36 - 100 - 87 44 35

____________________________________________________________________________________________________________________________

CU-2000 48 - 134 - 116 58 47

____________________________________________________________________________________________________________________________

CU-2500 60 - 167 - 145 73 58

____________________________________________________________________________________________________________________________

CU-3000 72 - 200 - 174 87 70

____________________________________________________________________________________________________________________________

CU-4500 108 - 300 - 260 130 104

____________________________________________________________________________________________________________________________

IMPORTANT:

Use minimum 90° C insulated copper conductors only for field wiring sized in accordance with

National and local electric Codes.

NOTE: Consult factory for other voltage/phase combinations. CU generators are suitable for 50/60 hz.

Standard control circuit voltage for above V/PH combinations for United States, Canada and Mexico is 120 VAC.

Exception: 220-240 VAC control circuit voltage is provided on non-domestic product where power voltage

is 220-240 V/3 PH, 380V/3PH, 415V/3 PH, etc.

WARNING

3.Connect suitably sized copper equipment grounding

conductor in accordance with National and local elec-

tric Codes to ground terminal provided.

4. Install a separate dedicated circuit breaker or other

approved overcurrent protection device between the

incoming electrical supply and the generator, in accor-

dance with National and local electric Codes.

5. IMPORTANT: With main disconnect switch off and no

electric power entering the generator, tighten all elec-

trical connections including all factory connections at

the terminal block, fuse block, top and bottom of con-

tactor and element pins prior to energizing generator

(torque values are listed on individual components,

control circuit terminal strips should be torqued to 20

in-lbs.).

.steam

C U S E R I E S Installation, Operating & Maintenance Manual

IMPORTANT:

Insure all electrical connections are sufficient-

ly tightened prior to energizing generator. See pg. 8, Item 5.

Substitution of components or modification of

wiring systems voids warranty and can lead to dangerous

operating conditions.

4. The Digital 1 Temperature Sensor and High Limit

Temperature sensor(s) must be located inside the steam

room. Locate approximately 5 feet above the steam room

floor, preferably away from steam heads.

5. The Digital 1 steam solenoid valve(s) shall be located outside

the steam room and shall be wired to the Digital 1 con-

troller(s) in accordance with wiring diagram provided. See

applicable wiring diagrams included as part of this manual.

Ensure all splices in the sensor cable

are securely crimped soldered and sealed with heat

shrink tubing.

WIRING

To avoid possible electric shock

the steambath generator shall be suitably grounded in

accordance with National Electric and local Codes.

Disconnect all power supplies at the main disconnect

switch before proceeding.

1. Electric wiring to the steambath generator must be in

accordance with National Electrical and local wiring

Codes following wiring diagram supplied. Such wiring

shall be done by a licensed electrician. See Amperage

Chart and Notes, Page 8.

2. The unit is wired and pre-tested before shipment. Follow

all instructions provided for safely and properly wiring

steambath generator and accessories.

Installer shall use a safety switch of ade-

quate capacity employing suitably rated circuit break-

ers or fuses between main electrical power source(s)

and the generator. Location of safety switch to be in

accordance with National and local electric codes.

3PH Power Supply

Power Contactor

Heat ng Element

D agram #1

Un ts w th 1 Contactor (see note 1)

3PH Power Supply

Power Term nal Block

Power Contactors

Heat ng Elements

D agram #2

Un ts w th 2 or more Contactors (see note 1)

GRD

__ __ __ __ Field Wiring

__________ Factory Wiring

IMPORTANT:

Also refer to Control Circuit diagrams in this manual.

TYPICAL POWER WIRING DIAGRAM

WARNING

CAUTION

This manual suits for next models

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