mr
.
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 provided on the
data plate secured to the generator and as part of this manual.
Refer to applicable wiring and schematic information.
1. Check power and control circuit voltage requirements on the
data
plate.
Separate
120
VAC
line
is
not
required
if
optional
120
VAC
control
transformer
has
been
purchased
and
provid-ed
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.
3.Connect suitably sized copper equipment grounding conduc-
tor in accordance with National and local electric 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 accordance with National and
local electric Codes.
5. With main disconnect switch off and no electric
power entering the generator, tighten all electrical connec-
tions including all factory connections at the terminal block,
fuse block, top and bottom of contactor and element pins
prior to energizing generator (torque values are listed on indi-
vidual components, control circuit terminal strips should be
torqued to 20 in-lbs.).
AMPERAGE CHART
Indicates Total Ampere Draw of Specific
CU Model at Voltage & Phase Specified
208V
208V
240V
240V
480V
600V
Model No.
kW
1 PH
3 PH
1 PH
3 PH
3 PH
3 PH
CU360
9
44
25
38
22
11
9
CU500
12
58
34
50
29
15
12
CU750
18
87
50
75
44
22
18
CU1000
24
116
67
100
58
29
24
CU1250
30
145
84
125
73
37
29
CU1400
36
-
100
-
87
44
35
CU2000
48
-
134
-
116
58
47
CU2500
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 local Codes. Disconnect all power sup-
plies 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 dia-
gram supplied. Such wiring shall be done by a
licensed electrician. See Amperage Chart and
Notes below.
2. The unit is wired and pre-tested before ship-
ment. Follow all instructions provided for safely
and properly wiring steambath generator and
accessories.
Installer shall use a safety
switch of adequate capacity employing suit-
ably rated circuit breakers or fuses between
main electrical power source(s) and the gener-
ator. Location of safety switch to be in accor-
dance with National and local electric codes.
3. Insure all electrical connections
are sufficiently tightened prior to energizing
generator. See item 5 under “Electric”.
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. DO NOT
locate near the steam head.
5. The steam solenoid valve(s) shall be located
outside the steam room and shall be wired to
the Digital 1 controller(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.
•
Use minimum 90° C insulated copper conductors only for field wiring sized
in accordance with National and local electric Codes.
•
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.
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