background image

All drawings are for

illustrative purposes only.

mr

.

steam

®

C U S E R I E S

Installation, Operating & Maintenance Manual

OPERATION INDICATORS

OUT 1: The LED under OUT 1 is on during normal operat-
ing conditions. If the light under OUT 1 is off the Digital 1
is in backup temperature mode, an alarm will sound, the
display will flash and the steam bath generator will be off.
OUT 2: The LED under OUT 2 goes ON and OFF during
normal operating conditions. If the light under OUT 2 is
OFF, the room temperature is satisfied and the steam
solenoid valve will be closed. When the light under OUT
2 is ON the room temperature has not been satisfied and
the steam solenoid should be open (if a 30 minute timer
is used, that must be ON to open the steam solenoid).

BACKUP TEMPERATURE SHUT-OFF

• Digital1 Control will shut off power to the steam

bath generator.

• The display will change to a flashing AH1, and an

alarm will sound (if equipped the CU ALARM will
also sound.

• To silence the Digital 1 Control Alarm press SET

and DOWN simultaneously. The alarm will be silenced
but the display will still flash AH1 and the steam
bath generator will remain OFF.

If equipped with a CU ALARM turn the

steam bath generator switch OFF to silence it.
• The Digital 1 control will reset when the temperature

in the room reaches normal operating range.

Steam Generator

Steam Vent

30

 

MINUTE

 

ROOM

 

TIMER

The

 

30

 

minute

 

timer

 

provides

 

guests

 

in

 

the

 

steam

 

room

 

an

 

accurate

 

and

 

easy

 

way

 

to

 

safely

 

time

 

their

 

steam

 

sessions.

 

It

 

is

 

available

 

as

 

a

 

Digital

 

(

104560

)

 

or

 

Mechanical

 

(CU-99216B)

 

timer.

1.

 

This

 

timer

 

may

 

only

 

be

 

fitted

 

by

 

a

 

qualified

 

electrician.

Shock hazard!

This timer uses the specific supply

voltage. Fit the timer appropriately before connecting it to the

main supply. Never touch the live contacts or components at the
open back of the timer.

2. Protection against touch contact must be ensured by a proper mount-

ing. When fitting the timer, make sure that during normal operation it
is impossible for the end user of the steam generator it was fitted in to
remove the timer by pulling it to the front and exposing the live parts.

3. Avoid any contact of the timer with water.

The 30 Minute Timers shall not be installed inside the

steamroom.

4. A steam vent (PN 104072) must be installed in the

steam line between the steam generator and the steam solenoid valve when
using a 30 minute timer as shown.

See

 

the

 

Digital

 

Timer

 

Operating

 

Manual

 

(PUR

 100542

)

 

for

 

complete

 

installation

 

instructions.

MESSAGE DISPLAY

Under normal operation, the actual room temperature
will be displayed, the following messages may also
appear (the Digital 1 Control alarm will also sound, press
SET and DOWN simultaneously to silence alarm, if
equipped with a CU ALARM turn the steam bath genera-
tor switch OFF to silence it, the steam bath generator
will shut off until the error is cleared):

___________________________________________________________________

• Err

Memory reading error, cut power to control to clear

___________________________________________________________________

• AH1

Backup temperature alarm

___________________________________________________________________

• AL1 (AL2)

Low temperature alarm, this may be an

indication of a probe problem, check the
actual room temperature

___________________________________________________________________

• ooo

Open Probe, check probe connection, check

probe with multimeter

___________________________________________________________________

• – – –

Shorted probe, check any splices used,
check probe with multimeter

If equipped with CU SteamStop, the Digital

1 Control will display. When the CU SteamStop is
pressed, reset the CU SteamStop to clear)

___________________________________________________________________

The operating room temperature setting

is determined by the owner/operator of the facility.
For guidance, refer to ASCM guidelines or equal ref-
erence.

22

Summary of Contents for mr.steam CU Series

Page 1: ...tors Installation Operation Maintenance Manual Models CU360 through CU4500 Installation Operation Maintenance Manual _______________________________________ IMPORTANT LEAVE THIS MANUAL WITH THE OWNER...

Page 2: ...Mechanical Digital Blowdown Timers 28 29 30 Minute Room Timer 30 31 Trouble Shooting 32 34 Check PC Boards Probes Steam Solenoid Valve Digital 1 Control Heating Element 35 Element Replacement Instruct...

Page 3: ...closed with full walls door floor and ceiling 2 It is recommended that a gasketed door be used for heat sealing and steam containment Windows sky lights and the like that are part of the steam room sh...

Page 4: ...Steambath generator is provided with a WARNING sign This WARN ING is to be secured to the outside of the steam room on the steamroom door or adjacent to that door It s location must be such that all...

Page 5: ...n or the like 2 Do NOTinstall steambath generator outdoors or wherev er environmental conditions may effect the safety and or performance of the generator Do NOT install steambath generator in locatio...

Page 6: ...inches Shipping No KW Volume cu ft Size NPT Size NPT W L H Wt lbs CU360 9 400 1 4 1 20 30 38 230 CU500 12 500 1 4 1 20 30 38 230 CU750 18 750 1 4 1 20 30 38 230 CU1000 24 1000 1 4 1 20 30 38 230 CU12...

Page 7: ...ow 1 All dimensions are approximate 2 CU360 to CU1400 have electronic liquid level controls MM150 Liquid Level Control on CU2000 and larger models only 15 7 15 7 22 0 6 6 9 4 13 5 25 0 16 4 12 6 1 9 3...

Page 8: ...ly CU360 to CU1400 have electronic liquid level controls 2 Minimum Clear ance from Combustible Sur faces 1 above top of CU generator Front of CU generator suitable for alcove installation only Type of...

Page 9: ...rea Clearance 36 89 18 36 103 MM150 Service Area Clearance Service Area Clearance 24 180 Max 16 Access to service areas to be supplied by customer Access door must not be less than 30 wide x 78 high R...

Page 10: ...ce as required in accordance with Code 7 Provide unions as required to facilitate installa tion and disconnection of piping 8 Recheck all factory and field plumbing con nections for tightness WATER QU...

Page 11: ...am ooms us ac l c be lass o othe o heat es sta t mate als used o steam oom e closu e stall each steam head 2 ches abo e the loo ocate each steamhead a a om bathe seat a ea a d a a om t a c atte s as e...

Page 12: ...60 167 145 73 58 CU3000 72 200 174 87 70 CU4500 108 300 260 130 104 WIRING To avoid possible electric shock the steambath generator shall be suitably grounded in accordance with National Electric and...

Page 13: ...AGES 14 15 16 FOR DIAGRAMS Installer shall use a safety switch of ade quate capacity employing suitably rated circuit breakers or fuses between main electrical power source s and the generator Locatio...

Page 14: ...d room requires a Digital 1 and Solenoid Valve s CONTROL CIRCUIT WIRING DIAGRAM Digital 1 Temperature Control System and optional automatic blowdown assembly For Models CU360A to CU750A and CU1000AF3...

Page 15: ...00AB3 CU1000AC3 CU1250AB3 CU1250AC3 CU1400AB3 CU1400AC3 1 Larger rooms may require two or more steam solenoid valves in parallel 2 When generator services two rooms second room requires a Digital 1 an...

Page 16: ...the steam room at the location selected by the designer architect DO NOT LOCATE THE DIGITAL 1 and CU HTC SENSORS NEAR OR ABOVE THE STEAMHEAD S AS THIS MAY CAUSE DIRECT STEAM EMISSION TO INTERFERE WIT...

Page 17: ...lves and two steamheads CU2 D1 KIT CONSISTS OF Digital 1 Control factory installed on generator Digital 1 Sensor Two 3 4 Steam Solenoid Valves and 3 4 Steamhead Two Acrylic Shields one for each steamh...

Page 18: ...ided screws and nuts For one room installation use the upper blank 2 Connect the control wires to the bottom of the terminal block above the control The terminals are coded with the wire insulation co...

Page 19: ...will de energize to OFF When steam pressure reaches the operating pressure control setting the pres sure control will de energize the contactor s Operating pressure control is factory set at 5 psig I...

Page 20: ...d AM PM imprints for each day The time switch is set by push ing the captive trippers to the outer ring position for the entire period that the boiler is to be turned ON i e 2 hours to each tripper on...

Page 21: ...e closed Auto blowdown light should be OFF 3 Turn the override switch to permanent ON I On Off Switch pilot light and generator should be OFF Auto blowdown light should be ON Motorized drain valve rem...

Page 22: ...nst touch contact must be ensured by a proper mount ing When fitting the timer make sure that during normal operation it is impossible for the end user of the steam generator it was fitted in to remov...

Page 23: ...o be fully opened Main disconnect switch to be in ON position Generator switch to be in ON position Since generator will be empty water solenoid will be energized allowing the genera tor to fill with...

Page 24: ...switch to the OFF position and close water supply valve De energize wall mount ed safety switch Open blowdown valve s SLOWLY Pressure may still be in the generator 2 Discharge is complete when gauge g...

Page 25: ...INTENANCE INSTRUCTIONS To establish a good preventive maintenance program we suggest that the site equipment foreman engineer or owner operator familiarize themselves with these guidelines 1 Daily blo...

Page 26: ...d the glass outlet is pointing directly upward Verify top and bottom fit tings are threaded into the tapping the same number of turns distance A distance B 3 Remove glass packing nut friction washer d...

Page 27: ...to keep glass clean Use diluted acids such as Hydrochloric muriatic acid when regular cleaners do not seem to work Do not use wire brushes or any other abrasive materials which could scratch the glass...

Page 28: ...Due to the timer having one tripper for every 2 hours the boiler will need to be OFF a minimum 2 hours If less down time is needed the digital timer PN 103662 can be set to the minute SETTING TIME To...

Page 29: ...lay the boiler is currently running and if OFF is indicated the boiler is off blowing down Once one of the programs are started the indicator will automatically turn to the ON position and when one of...

Page 30: ...mercial Steambaths Electronic Interval Timer for MrSteam CU Commercial Steambaths Installation and Operating Manual 30 FUNCTIONALITY OF THE TIMESWITCH During the preset running time the timer energize...

Page 31: ...After the preset running time has elapsed the timer switches the connected steam solenoid off issuing short beeps for up to 15 seconds The value 0 00 is shown on the display and the colon stops flash...

Page 32: ...eating element Contactor chatters Defective PC board Check replace PC Board Generator floods Water feed solenoid Reverse solenoid connection installed backwards CU360 1400 Port 1 towards generator 2 t...

Page 33: ...Substitution of components or modification of wiring systems voids warranty and can lead to dangerous oper ating conditions Pulling off the purple wire from the board should cause the water solenoid...

Page 34: ...release pressure to zero 0 psig before resuming operation of steam bath generator STEP 8 Check to see that you have 120V at the contactor If you do not then one of your pressure controllers are trippe...

Page 35: ...e control voltage ON and turn the boiler switch ON Measure the voltage across L1 and L2 on the 104460 board The voltage should be approximately 110 VAC 2 On the 104460 board disconnect the wire from t...

Page 36: ...to a torque listed on the contactor ensure each nut holding the bus bars in place are torqued to 20 lb in Make sure all wires are clean and bright to assure good electrical contact 10 Open water valve...

Page 37: ...J Safety Valve K On Off Switch L Mechanical low water cutoff and feeder MM150 M Auxiliary low water cutoff probe LABEL FUNCTION CU360 1400 Typical Component Arrangement Front Right Side CU2000 4500 w...

Page 38: ..._______________________________________________________ ELECTRIC cont ________________________________________________________________________________ 99317 Fuse Block 480V ___________________________...

Page 39: ...____________ PRESSURE CONTROL _________________________________________________________ 99113R Operating Pressure Control 0 15 PSIG _________________________________________________________ 99290 Pres...

Page 40: ...A 90301 1 800 72 STEAM 2021 Mr Steam and des AirTempo AromaFlo AutoFlush AutoSteam AudioWizard Butler Package ChromaSteam Clean Steam Every Time Club Therapy Digital 1 Express Steam From Bathroom to S...

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