Cleveland 24CGA6.2 User manual

Brand
Cleveland
Model
24CGA6.2
Type
User manual
Statement of Responsibilities
This document is for use by experienced and trained Qualified Cleveland Range, LLC Authorized Service
Representatives who are familiar with both the safety procedures, and equipment they service.
Cleveland Range, LLC assumes no liability for any death, injury, equipment damage, or property damage
resulting from use of, improper use of, or failure to use the information contained in this document.
Cleveland Range, LLC has made every effort to provide accurate information in this document, but
cannot guarantee that this document does not contain unintentional errors and omissions.
The information in this document may be subject to technical and technological changes, revisions, or
updates.
Cleveland Range, LLC assumes no liability or responsibility regarding errata, changes, revisions, or
updates.
Qualified Cleveland Range, LLC Authorized Service Representatives are obligated to follow industry
standard safety procedures, including, but not limited to, OSHA regulations, and disconnect / lock out /
tag out procedures for all utilities including steam, and disconnect / lock out / tag out procedures for gas,
electric, and steam powered equipment and / or appliances
All utilities (gas, electric, water and steam) should be turned OFF to the equipment and locked out of
operation according to OSHA approved practices during any servicing of Cleveland Range equipment
Qualified Cleveland Range, LLC Authorized Service Representatives are obligated to maintain up-to-date
knowledge, skills, materials and equipment.
Cleveland Range,
LLC
1333 East 179th St., Cleveland, Ohio, U.S.A. 44110
Ph: 1-216-481-4900 Fx: 1-216-481-3782
Visit our Web Site at www.clevelandrange.com
MODEL: 24CGA6.2S
ITEM NUMBER __________________________________________
JOB NAME / NUMBER __________________________________
Cleveland Standard Features
■ 54.5” (1385mm) height to top of upper compartment
(lower height makes maintenance easier by lowering the
descaling ports)
■ Each compartment has cooking capacity for 3 each
12˝ x 20˝ x 2
1
⁄2˝ Steam Table Pans
■ Doors hinged left and the controls on the right
■ High efficiency independent Power Burner Steam Generators
50,000 BTU's for each compartment
■ Each steam-cooking compartment is independently operated
and controlled by a separate stainless steel steam generator,
gas valve, Power On/Off Control Levers and a Exclusive,
Remote Probe-Type Water Level Control
■ Easy Access Cleaning Port: Each generator has a deliming
port located on the outside, top of the unit
■ Generator Cleaning Light for each compartment warns the
operator to delime generator
■ Generator Steam Standby Mode: Holds generator at a
steaming temperature, allows unit to start cooking quickly
■ Each compartment has one, 60-Minute Electro-Mechanical
Timer with "SureCook" load compensating feature.
Manual Bypass Switch for constant steaming.
■ Durable 14 Gauge, 304 Stainless Steel construction for
compartment door, cooking cavity and steam generator
■ Exclusive Gemini Drain/Power Control System:
Manual 1/2 inch "Ball Valve" type drain that controls main
power On/Off and automatically fills generator (located on the
control panel)
■ Exclusive Brass Steam Jets distribute steam even throughout
cooking compartment
■ Easy, Front -Access Generator Controls comes with a pullout
drawer for simple servicing of unit
■ 6˝ Stainless Steel Adjustable Legs with Flanged Feet
■ Approvals: CSA (AGA, CSA) and U.L/NSF#4
■ Compartment Steam Shut-Off Switch when compartment
door is opened
Options & Accessories
❐ Electronic Timer with Compensating Feature (ETC)
❐ On/Off Steam Switch Controls, no timer (MC)
❐ Propane Gas (PG)
Cleveland
SteamCraft
Gemini
TM
Model 24CGA6.2S, 54.5" high,
Two compartment steamer. Independent steam generators
,
50,000 BTU's input per compartment.
"SureCook" electro mechani-
cal timer with load compensating feature. Gas valve and water
level control system. Exclusive remote probe-type water level
controls. Exclusive Brass “Steam Jet” distribution system. Two-
piece free-floating compartment door. 14 gauge stainless steel
cavity and door. Pullout service drawer for controls and Gemini
Drain/Power Control System.
❐ Dissolve
®
Descale Solution, 6 one gallon container w/quart
markings (106174)
❐ Water Filters
Short Form Specifications
SECT. IV PAGE 11
0104
SteamCraft
®
Gemini
TM
6
SHORT SERIES PRESSURELESS STEAMER,
TWIN, INDEPENDENT GAS-FIRED GENERATORS
GAS ELECTRIC COLD WATER CLEARANCE DRAINAGE
1
1
⁄
4
˝ IPS line size,
3
⁄
4
˝ connection 120V-1Phase, 60 Hz. 35 psi minimum RIGHT = 12.00˝ 1
1
⁄
2
˝ dia.
NATURAL PROPANE BTU 2 Blowers & Controls 60 psi maximum LEFT = 3.00˝ Do not connect other
Piping
3
⁄
4
˝ N.P.T. Piping
3
⁄
4
˝ N.P.T. 50,000 each 150 watts each C2
3
⁄
8
˝ dia. NPT for Generator REAR = 3.00˝ units to this drain
Supply pressure Supply pressure Generator, C1
3
⁄
8
˝ dia. NPT for Condenser Allow 6˝ space min.
4.50˝ W.C. Min. 11.00˝ W.C. Min. 100,000 total from rear and sides Drain must be vented
14.00˝ W.C. Max. 14.00˝ W.C. Max. When located near
combustible walls Do not use PVC pipe
Manufacturer must be notified if unit will
be used above 2,000 feet
20.63"
(524mm)
33.13"
(842mm)
4.87"
(124mm)
3.00" TYP
(76mm)
7.75"
(197mm)
10.44"
(265mm)
5.00"
(127mm)
4.00"
(102mm)
12.00"
(305mm)
24.00"
(508mm)
12.76"
(324mm)
15.06"
(383mm)
17.43"
(443mm)
37.13"
(943mm)
13.25"
(337mm)
10.00"
(254mm)
20.88"
(530mm)
4.75"
(121mm)
13.88"
(353mm)
20.36"
(517mm)
17.25" TYP
(438mm)
21.50"
(546mm)
59.21"
(1504mm)
30.25"
(768)
5.00"
(127mm)
7.34"
(186mm)
20.50"
(521mm)
2.06"
(52mm)
6.60"
(168mm)
33.13"
(842)
6.13"
(156mm)
24.00"
(610mm)
OPERATING
CLEARANCE
SECONDARY
CLEARANCE
C2
D
C1
(NOT TO SCALE)
SECT. IV PA GE 12
0104
Litho in U.S.A.
Each Compartment has
Capacity for:
• Three 2
1
⁄
2˝ x 12˝ x 20˝
Steam Table Pans
• Six 1˝ x 12˝ x 20˝
Steam Table Pans
•Two 4˝ x 12˝ x 20˝
Steam Table Pans
C
NOTES:
Cleveland Range reserves right of design improvement or modification, as warranted.
Many regional, state and local codes exist and it is the responsibility of the owner and installer to comply with the codes.
Cleveland Range equipment is built to comply with applicable standards for manufacturers. Included among those approval agencies are UL/NSF#4 and CSA (AGA, CGA).
D
WATER QUALITY
REQUIREMENTS
The quality of water varies
greatly from region to
region. Steam equipment
generators must be
drained daily and chemi-
cally descaled periodically
to ensure proper operation.
To minimize service prob-
lems caused by the accu-
mulation of minerals and
chemicals in water review
the following quality guide-
lines with a local water
treatment specialist. Inlet
water that is beyond these
specified guidelines should
be treated to achieve these
acceptable limits. Total
Dissolved Solids less than
60 ppm, Alkalinity less than
20 ppm, Silica less than 13
ppm, pH factor greater
than 7.5, Chlorine less
than 30 ppm.
Right - 3”, Left - 3”,
Rear - 3”
(12” on control side if
adjoining wall or
equipment is over 30”
high for service access)
Contact factory
for variances to
clearances.
Cleveland Range Inc.
1333 East 179th St., Cleveland, Ohio, U.S.A. 44110
Ph: 1-216-481-4900 Fx: 1-216-481-3782
Visit our Web Site at www.clevelandrange.com
MODEL: 24-CGA-10.2
ITEM NUMBER __________________________________________
JOB NAME / NUMBER __________________________________
Cleveland Standard Features
■ Cooking Capacity for up to ten 12˝ x 20˝ x 2 1/2˝ deep
Cafeteria Pans, five each compartment.
■ Totally independent cooking compartments, each has its'
own generator, gas valve and water level controls - no
shared components
■ Exclusive High Efficiency Gas Power Burner (forced air)
Generator: Produces more steam for faster cooking while
lowering operating costs (72M BTU's per compartment)
■ Easy Access Cleaning Port: Each generator has a deliming
port located on the outside, top of the unit
■ Generator Cleaning Light for each compartment warns the
operator to delime generator
■ Instant Steam Standby Mode: Holds generator at a
steaming temperature, allows unit to start cooking instantly
■ Each compartment has one, 60-Minute Electro-Mechanical
Timer with load compensating feature.Manual Bypass
Switch for constant steaming.
■ Durable 14 Gauge, 304 Stainless Steel construction for
compartment door, cooking cavity and steam generator
■ Exclusive Two-Piece Compartment door: Slammable,
self-adjusting door provides and airtight seal, reversable
door gasket for extended life
■ Exclusive Gemini Drain/Power Control System:Simple,
reliable 1/2" ball valve style drain automatically turns power
ON/OFF
■ Exclusive Brass Steam Jets distribute even-high velocity
steam throughout cooking compartment for faster cooking
times
■ Easy, Front -Access Generator Controls comes with a
pullout drawer for simple servicing of unit
■ 6˝ Stainless Steel Adjustable Legs with Flanged Feet
■ Approvals: CSA (AGA, CSA) and U.L/NSF#4
■ Compartment Steam Shut-Off Switch (SCS)
Options & Accessories
❐ Electronic Timer with Compensating Feature (ETC)
❐ On/Off Steam Switch Controls, no timer (MC)
Shall be Two Compartments, Cleveland Convection Steamer series
SteamCraft
Gemini
TM
10
, Model 24-CGA-10.2, Twin Gas Atmospheric
Steam Generator, 72M BTU"s input per compartment.
Independent
steam generator, gas valve and water level control system.
Automatic Generator Blowdown. Steam Generator with Automatic Water
Fill on start up.
Exclusive remote probe-type water level controls.
Exclusive Brass “Steam Jet” distribution system. Two-piece free-
floating compartment door.
Type 430 Stainless Steel exterior and cook-
ing compartments.
Pullout service drawer for controls and Gemini
Drain/Power Control System.
Exclusive Cold Water Condenser design.
Choice of Compartment Controls. Manual
❐ Propane Gas (PG)
❐ Dissolve
®
Descale Solution, 6 one gallon container w/quart
markings (106174)
❐ Water Filters
Short Form Specifications
SECT. IV PAGE 13
0402
SteamCraft
®
Gemini
TM
10
TWO COMPARTMENT FLOOR MODEL DESIGN
PRESSURELESS CONVECTION STEAMER
TWIN, INDEPENDENT GAS-FIRED GENERATORS
(NOT TO SCALE)
SECT. IV PAGE 14
0402
Litho in U.S.A.
GAS ELECTRIC COLD WATER CLEARANCE DRAINAGE
1
1
⁄
4
˝ IPS line size,
3
⁄
4
˝ (13mm) connection 120V-1Phase, 60 Hz. 35 psi minimum RIGHT = 3˝ operating, 1
1
⁄
2
˝ dia.
NATURAL PROPANE BTU 2 Blowers & Controls 60 psi maximum 12˝ if adjoining wall or Do not connect other
Piping
3
⁄
4
˝ N.P.T. Piping
3
⁄
4
˝ N.P.T. 72,000 each 150 watts each LEFT = 3˝ units to this drain
Supply pressure Supply pressure Generator, One (E) 1/4" dia. REAR = 3˝
4.50˝ W.C.Min. 11.00˝ W.C.Min. 144,000 total NPT for Generator Allow 6˝ space min. Drain must be vented
14.00˝ W.C.Max. 14.00˝ W.C. Max. from rear and sides
One (D) 1/4" dia when located near Do not use PVC pipe
Manufacturer must be notified if unit will NPT for Condenser combustible walls
be used above 2,000 feet
C
D
NOTES:
Cleveland Range reserves right of design improvement or modification, as warranted.
Many regional, state and local codes exist and it is the responsibility of the owner and installer to comply with the codes.
Cleveland Range equipment is built to comply with applicable standards for manufacturers. Included among those approval agencies are UL/NSF#4 and CSA (AGA, CGA).
Each Compartment has
capacity for:
• Five, 12˝ x 20˝ x 2
1
⁄2˝ deep
Cafeteria Pans.
WATER QUALITY
REQUIREMENTS
The quality of water varies
greatly from region to region.
Steam equipment generators
must be drained daily and
chemically descaled periodically
to ensure proper operation. To
minimize service problems
caused by the accumulation of
minerals and chemicals in water
review the following quality
guidelines with a local water
treatment specialist. Inlet water
that is beyond these specified
guidelines should be treated to
achieve these acceptable limits.
Total Dissolved Solids less than
60 ppm, Alkalinity less than 20
ppm, Silica less than 13 ppm,
pH factor greater than 7.5,
Chlorine less than 30 ppm.
Right - 3”, Left - 3”,
Rear -3”
(12” on control side if adjoining
wall or equipment is over 30”
high for service access)
Contact factory
for variances to
clearances.
A B C
DE
CLEVELAND RANGE GEMINI 24CGA 6.2
AND 24CGA10.2
SEQUENCE OF OPERATIONS
Mechanical Timer
Starting with the timed manual switch in the timed position, and no time on the timer.
1. To turn the unit on, turn the ON/OFF lever clockwise to the ON position
• This mechanically closes the drain.
• The red “Power On” indicator is energized.
• 115 VAC is sent through the timer to the three-second timer, which activates the
buzzer for three seconds.
• 115 VAC is sent through the normally closed R1 contacts to the fan motor, turning it
ON
• 115 VAC is sent to H and N of the water level board
2. With the water level board energized and no water in the generator
• 115 VAC is sent from the FILL terminal to the fill solenoid.
• The fill solenoid opens and the generator fills.
3. The water fills to the low probe shorting it to ground
• 115 VAC is sent from the HEAT terminal to the timed manual switch.
• 115 VAC is sent through the high limit to the primary of the 24VAC transformer.
• The water continues to fill until the water level reaches the high probe then 115 VAC is
removed from the FILL terminal and the fill solenoid is turned off
4. 24VAC is sent to the ignition module.
• Spark is sent to the igniter.
• 24VAC is sent to the pilot coil of the gas valve and the coil of the R1 relay.
• The normally closed R1 contacts open, turning off the fan
• The pilot lights, which acts as a standby heater. When the pilot is ignited and the
module detects 1.0 micro amps DC, the MV terminal on the module is energized it
remains in this standby heat mode until a cooking compartment is turned “ON” (see
step 5).
5. When the timed/manual switch is in the timed position and time is on the timer or the timed
manual switch is set to the manual position:
• 115 VAC is sent to the clean light timer.
• When the clean light timer times down 115 VAC is sent to the clean light switch.
• When the clean light switch is depressed the timer is reset.
• 115 VAC is sent from the compartment timer through the door switch to the normally
closed contacts of the compartment thermostat and R2 relay coil.
• The “Sure Cook” light is energized.
• 115 VAC is also sent from the door switch through the now closed contacts of the R1
relay to the fan motor.
• The fan motor turns ON, and comes up to speed.
• The fan prover switch makes allowing 24 VAC to the normally open R2 contacts.
• The normally open R2 contacts close and 24 VAC is sent to the main coil of the gas
valve.
• The main burner is ignited and the water heated to steam.
• Steam enters the cabinet and the compartment thermostat closes at 193 degrees.
• The “Sure Cook” light is de-energized.
• If in the timed mode, 115 VAC is sent to the timer motor and the timer begins
counting down.
• The condensate solenoid is energized sending cold water down condensate spray
nozzle pulling the steam around the product and down the drain.
6. When the timer times out or the unit is switched to the timed mode (with no time on the
timer) from the manual mode, 115 VAC is sent to the 3 second timer and then to the buzzer
for 3 seconds.
7. Whenever the water level drops below the high probe for 5 seconds 115 VAC is sent to the
FILL terminal again.
8. When the on/off lever is turned off :
• The drain is mechanically opened, and the generator begins to drain.
• The red “Power On” indicator light is de-energized.
• 115 VAC is sent to the 3-minute timer and the fill solenoid is energized for 3 minutes
flushing the drain.
BUZZER
VALVE
BLOWER MOTOR
MV
GAS VALVE
DESCALE REQUIRED INDICATOR
GEMINI GAS - MECHANICAL TIMER
24V
IGNITOR
PROVER
MV/PV
SPARK CONTROL MOD
SINGLE COMPARTMENT SHOWN
DUPLICATE FOR SECOND COMPARTMENT
GND
GND
SPARK
24V24V
GND
R1
PV
MV
C NO
PV
TIMER
DOOR
MAGNETIC
120V
TRANSFORMER
ELECTRO-MECHANICAL
OVER TEMP
HI LIMIT
GENERATOR
MANUAL
TIMED
BLOWER
NC
R1
R2
C
NO
M
SWITCH
1
2
NO NO
R
ON
POWER ON
TIMER
3 MINUTE
SW1
OFF
1
2
3
78 5
3 SEC TIMER
3
ON
SW2
OFF
FILL
VALVE
120VAC
COMMON TO UPPER AND LOWER COMPARTMENTS
CUSTOMER
CONNECTION
DESCALE
TIMER
BLK
3
4
2
1
6
GND
TB
& RESET SWITCH
N
L1
A
L L
L300095 C
WHT
MANUAL
NC
C NO
C
NO
NC
C
NC
NO
TIMED
R2
CONDENSER
A
COMPARTMENT
PAUSE
XL
N
HI C
HEAT
H
FILL
BOARD
WATER
PROBES
THERMOSTAT
(SCS)
1
3
2
R
TIMER
60 MINUTE
ON
MANUAL
MOTOR
WHT
WHT/RED
YEL
YEL
SW1
BLU
WHT/RED
GRA
RED
BLK
C
BLK
NCNO
NC
SW2
NO
C
BLU
GRN
GRN
BLK
RED
RED
WHT/RED
BLK
TAN
TAN
PNK
87
PRP
PRP
3 2
4
5
1
6
BLU
HEAT
LT BLU
ORN
WHT
9
FILL H N
XL
HI
C
RED
WHT
5
MV/PV
GND (BNR)
24V (GND)
4
MV
1
PV
32
24V
765
11
10
GRA
WHT
YEL
213
BLUWHT/ORNYEL
WHT/ORN
BLU
WHT/ORN
PRP
PNK
PRP
BLK
BLK
WHT/RED
BLK
BLK
WHT/BLU
21 3
WHT/ORN
BLU
GRN
GRN
ORN
GEMINI GAS / MECHANICAL TIMER
4
BLU
SPARK
3
8 9
15
2
PV
PV/MV
MV
RED
1
BLK
ORN
WHT
ORN
7
8
YEL
ORN
RED
BLK
RED
BLK
W/R
WHT/RED
WHT/RED
GRA
WHT
LT BLU
6
16 17
CUSTOMER
DRAWER
P300095 C
STEAM CUTOFF SWITCH - SCS
TERMINAL BLOCK SECTION (QTY. 2)
TIMED / MANUAL SWITCH W / INDICATOR
IGNITOR CABLE ASSEMBLY
TERMINAL BLOCK ASSEMBLY
INDICATOR (RED)
30027824
26
25
41350
20477 3 SECOND TIMER
BUZZER
2030420
21A
22
23
21
108979
110198
20302
20301
17
19
18
15
16
222231
108981
12159
108880
22218
GROUND LUG
ELECTRO-MECHANICAL TIMER
TERMINAL BLOCK END
FILL VALVE
CONDENSER VALVE
GAS VALVE, PROPANE
GAS VALVE, NATURAL
COMPONENT PARTS LIST
IGNITOR, NATURAL GAS
IGNITOR, PROPANE GAS
SPARK IGNITION TRANSFORMER
BLOWER W/ SENSOR (GEMINI 10)
WATER LEVEL CONTROL BOARD
DESCALE INDICATOR / RESET SWITCH
MANUAL DRAIN VALVE WITH SWITCHES
LEVEL CONTROL PROBE
3 MINUTE INTERVAL TIMER
HI LIMIT CAPILLARY SWITCH
IGNITION CONTROL MODULE
CONNECTIONS
205284
9
12
14
13
10
11
106911
110613
19994
20478
107239
7
8
6
5
108285
107241
105966
300094
108995
DESCALE TIMER
24VAC RELAY
120VAC RELAY
3
1
2
1098771
105693
109877
1057842
1057841
ITEM P/N DESCRIPTION
120VAC
19
COMPONENT
WHT
CHASSIS
GROUND
WHT
W/R
WHT
RED
GND
20
21
21A
COMPARTMENTS
COMMON TO UPPER AND LOWER
L1N
WHT
BLK
BLK
LT BLU
WHT
YEL
YEL
GRA
RED
BLK
GRA
BLU
LT BLU
ORN
NC
PNK
C NO
28
BLK
BLK
GRA
PRP
BLK
BLK
27
GRA
23
28 109602
INDICATOR (AMBER)
27 19972 COMP. THERMOSTAT
R1 R2
26
25
24
22
18
14
13
12
RED
LT BLU
YEL
ORN
2-6
3-3
1-1
1-2
1-3
GRN
3-2
3-1
3-5
3-4
3-6
3-7
3-8
3-10
3-9
3-13
3-14
3-12
3-11
2-1
2-2
2-3
2-4
2-5
2-7
2-8
2-9
9-3
2-11
9-2
9-8
2-12
2-13
9-7
9-7
2-14
7-5
7-4
7-6
11-3
11-1
11-6
11-5
11-2
7-3
7-2
7-1
2-10
OFF
ON
NOTES:
1. UPPER COMPARTMENT CIRCUIT SHOWN
DUPLICATE FOR LOWER COMMPARTMENT.
2. UNIT SHOWN IN THE OFF MODE WITH DRAIN
VALVE OPEN AND SWITCH 2 ACTUATED.
110786 BLOWER W/ SENSOR (GEMINI 6)
30015029 60 MINUTE TIMER
WHT/BLU
PRP
11-4
BLU
PS-3
PS-6
BRN
WHT/BRN
PS-7
PRP
PS-7
PS-5
WHT/RED
PS-2
PS-1
PS-2
PS-1
PS-4
PRP
29
21 3
FK300279 SWITCH ASSEMBLY (REPLACEMENT KIT)
GND SPARK CONTROL MOD GAS VALVE
DUPLICATE FOR SECOND COMPARTMENT
SINGLE COMPARTMENT SHOWN
L300096 C
TRANSFORMER
ELECTRONIC
BLOWER
PROVER
IGNITOR
24V
SPARK
GND
MV/PV
MV
PV
GND
24V
120V
24V
TRANSFORMER
FU
TIMER
24 VAC
R1
PV
R2
C
NO
MV
R1
CNC
M
BLOWER MOTOR
NO
NO
NC
COMMON TO UPPER AND LOWER COMPARTMENTS
GEMINI GAS - ELECTRONIC TIMER
DESCALE REQUIRED INDICATOR
POWER ON
R
OFF
ON
NC
NO
C
SW1
ON
SW2
OFF
2
1
3 MINUTE
TIMER
3
6
587
DESCALE
TIMER
1
2
4
3
BLK
CONNECTION 120VAC
L1 N
CUSTOMER
TB
CXL HI
WATER
BOARD
FILL
N
H
HEAT
FILL
VALVE
C
NO NO
LL
A
& RESET SWITCH
WHT
GND
THERMOSTAT
R2
CONDENSER
VALVE
PROBES
COMPARTMENT
OVER TEMP
HI LIMIT
GENERATOR
(SCS)
SWITCH
MAGNETIC
DOOR
2
60 MINUTE
MANUAL
TIMER
1
TIMED
3
R
MANUAL
ON
TIMED
MANUAL
WHT/ORN
GEMINI GAS / ELECTRONIC TIMER
WHT/RED
BLK
BLK
23
25
WHT YEL
YELBLK
RED
PRP
27
GRA
26
ORN
BLK
BLK
24
18
BLU
BLK
4
LT BLU
5
PV
PV/MV
MV
2
15
WHT/ORN
GRN
GRN
ORN
BLU
1
4132765 89
WHT
YEL
YEL
SPARK
3
GND (BNR)
24V (GND)
24V
MV/PV
MV
PV
22
GRN
WHT/ORN
YEL
YEL
YEL
BLU
PRP
12
GRA
RED
BLK
WHT/RED
13
BLK
RED
WHT
7
4
PRP
3
6
2
1
5
8
FILL
ORN
LT BLU
9
HEAT
WHT
BLU
RED
C
H
HI
XL
N
GRN
RED
BLK
WHT/RED
CUSTOMER
CONNECTIONS
RED RED
WHT
ORN
ORN
BLK
6
16
17
7
RED
WHT/ORN
PRP
PNK
BLU
YEL
ORN
WHT/RED
GRA
WHT/RED
8
LT BLU
WHT
PRP
19
COMPONENT
COMPARTMENTS
COMMON TO UPPER AND LOWER
CHASSIS
WHT
WHT/RED
BLK
WHT
WHT
BLK
W/R
WHT
RED
W/R
DRAWER
GROUND
20
21
21A
WHT
BLK
L1N
GND
120VAC
P300096 C
10
GRA
WHT
YEL
11
1 23
GRA
BLK
BLU
14
GRA
BLU
BLK
YEL
ORN
LT BLU
RED
R2
R1
1-1
1-2
3-3
3-2
3-1
3-4
3-5
3-7
3-8
3-10
3-9
3-6
3-14
3-13
3-12
3-11
2-1
2-2
2-3
2-4
2-5
2-11
PNK
2-12
TAN
9-8
9-3
9-2
TAN
2-13
2-10
9-7
9-7
2-6
2-7
2-8
2-14
7-6
7-4
7-5
7-1
7-2
7-3
11-3
11-2
11-6
NC
NO
SW1
C
SW2
OFF
CNCNO
ON
VALVE OPEN AND SWITCH 2 ACTUATED.
2. UNIT SHOWN IN THE OFF MODE WITH DRAIN
DUPLICATE FOR LOWER COMMPARTMENT.
1. UPPER COMPARTMENT CIRCUIT SHOWN
NOTES:
CONDENSER VALVE2221816
110613
110786
P/N
1057841
1057842
109877
105693
1098771
108995
300094
105966
107241
108285
107239
20478
19994
106911
20528
COMPONENT PARTS LIST
108880
6
2
ITEM
1
3
5
4
8
7
10
9
13
11
12
14
15
BLOWER W/ SENSOR (GEMINI 10)
IGNITION CONTROL MODULE
HI LIMIT CAPILLARY SWITCH
SPARK IGNITION TRANSFORMER
GAS VALVE, NATURAL
DESCRIPTION
IGNITOR, PROPANE GAS
IGNITOR, NATURAL GAS
GAS VALVE, PROPANE
BLOWER W/ SENSOR (GEMINI 6)
MANUAL DRAIN VALVE WITH SWITCHES
DESCALE INDICATOR / RESET SWITCH
WATER LEVEL CONTROL BOARD
STEAM CUTOFF SWITCH - SCS
120VAC RELAY
24VAC RELAY
LEVEL CONTROL PROBE
DESCALE TIMER
3 MINUTE INTERVAL TIMER
300278
106909
300150
12159
108981
222231
20301
20302
104389
108979
20304
104390
19972
25
21
18
17
19
20
22
21A
23
24
28
27
26
TRANSFORMER
ELECTRONIC TIMER
TERMINAL BLOCK ASSEMBLY
TIMED / MANUAL SWITCH W / INDICATOR
TERMINAL BLOCK SECTION (QTY. 2)
FILL VALVE
GROUND LUG
INDICATOR (RED)
TERMINAL BLOCK END
IGNITOR CABLE ASSEMBLY
2AMP, 250V FUSE
60 MINUTE TIMER
COMP. THERMOSTAT
PRP
PRP
11-5
GRA
GRA
PRP
BLU
WHT/RED
11-6
BRN
WHT/BRN
ORN
11-1
BLU
PS-2
PS-2
WHT/RED
PS-7 11-4
PS-4
PS-7
ORN
PS-3
PS-5
PRP
PRP
28
21 3
PAUSE
FK300279 SWITCH ASSEMBLY (REPLACEMENT KIT)
GRN
1-3
Adjust or
replace the
on/off micro
switch
Yes
Connect power
to steamer.
No
Is the red light on?
Is there power to
the steamer?
Is there water in
the sight glass?
Yes
See
Steamer won't
fill.
No
Has the pilot
ignited?
Yes
No
Does the steamer
steam in manual
mode?
Yes
Replace
the timer
Yes
Is there power to
the Timed/Manual
switch?
No
Replace the
wiring to the
switch
Is there power
from the Timed/
Manual switch?
Yes
Replace the
switch
No
Does the steamer
steam with the
door switch
bypassed?
Yes
Replace the
door switch
Yes
Is there 120 VAC
to the R2 relay?
No
PROBLEM:
24CGA6
24CGA10.2
Steamer won't
steam with handle
in on position
Replace
the wiring
to relay
No
Is the fan
turning?
Yes
Is there 120 VAC
to the fan?
Replace
the fan
Check the
R1 relay
Yes
No
Is there 24 VAC to
the main coil of the
gas valve?
Yes
Replace the
gas valve?
Yes
Does the coil to
the main gas valve
get 24 VAC when
the fan prover
switch is
bypassed?
No
Replace the
the fan prover
switch.
Replace the R2
relay.
Yes
No
No
See
Steamer won't
ignite
No
No
Steamer won't
steam
PROBLEM:
24CGA6
24CGA10.2
Steamer won't fill
with the handle in
the on position
Is there power
to the steamer?
Connect
power to the
steamer
No
Is there water to
the steamer?
Yes
Supply
water to the
steamer.
No
Is there 120 VAC
between the
terminals H and N
on the watr level
board?
Yes
Adjust or
replace on/off
micro switch
No
Is there 120 VAC
between terminals
Fill and N on the
water board?
Yes
With the wire
removed from the HI
terminal on the water
level board, is there
120 VAC between
terminals Fill and N?
No
Replace the
water level
board.
No
Is there debris on
the HI probe in the
probe assy?
Yes
Replace the
wire to the HI
probe.
No
Clean or
replace the
probe assy.
Yes
Is there 120 VAC
across the coil of
the fill solenoid?
Yes
Adjust or
replace the on/
off micro switch
No
Is water leaving
the fill solenoid?
Yes
Replace the fill
solenoid.
No
Does the manual
drain valve close
completely?
Yes
Clean or
replace the
drain valve.
No
Yes
Steamer won't
fill
Is there 120 VAC
between the
terminals Heat and
N on the water
level board with
the the low probe
submerged?
Is there 120 VAC
between Heat and N
terminals on the water
level board with a
jumper between
terminal XL and C?
No
Clean or
replace the
probe assy.
Replace water
level board.
No
Yes
Is there 120 VAC
across the primary
of the 24 VAC
ignition
transformer?
yes
Is there 24 VAC to
the secondary of
the ignition
transformer?
Yes
Is there 24 VAC to
the ignition
module?
Yes
Replace the
transformer
No
Replace the wires
to the ignition
module.
No
Is there spark from
the module until
the 90-second lock
out?
Yes
Replace the
ignition module
No
Is there 24 VAC to
the pilot coil on the
gas valve until the
90-second lock
out?
Yes
No
Does the steamer
have gas supplied?
Yes
Supply gas to
the steamer
No
Does the pilot gas
valve open when
the 24 VAC is
applied?
Replace the
gas valve.
No
Is spark generated
at the igniter?
Yes
Replace the
igniter and
wire
No
Is there at least
1.0 micro amps
DC at the burner
ground terminal on
the ignition
module?
Yes
Replace the
ignition module
Yes
Is the pilot flame
blue and
enveloping the
igniter?
Replace the
ground wire
Yes
Replace the
pilot assy
No
Replace
the high
limit
No
Yes
Is the red light on?
Is there power to
the steamer?
Connect power
to the steamer
No No
Adjust or
replace the
on/off micro
switch
Is there water in
the sight glass?
Yes
Yes
Yes
See
Steamer won't
fill
No
PROBLEM:
24CGA6
24CGA10.2
Steamer won't
ignite
No
Steam generator
won't ignite
PROBLEM:
24CGA6, 24CGA10.2
Electronic timer displays "PAUS" and won't count down
START
Is steam heating
the cooking
cabinetabove 192
degrees (the set
temp of the
thermo-switch)?
Does the timer
count down when
the thermo-switch
is bypassed?
Yes
See
Steamer
won't steam
No
Replace the
electronic timer
No
Replace the
thermo-switch
Yes
PROBLEM:
24CGA6, 24CGA10.2
Steam leaks around the door.
START
Is COLD water
supplied to the
steamer?
Supply cold
water (35-60
PSI) to the
steamer.
No
Is the door gasket
physically
damaged?
Yes
Turn over the
gasket or
replace it.
Yes
Is the door out of
alignment?
No
Replace the
door bearings
and pins.
Yes
Is the drain
obstructed?
No
Remove the
obstruction
Yes
Is there 120 VAC
across the coil of
the condensate
solenoid?
No
Replace the
wiring to the
condensate
solenoid.
No
Is the solenoid
opening?
Yes
Replace the
condensate
solenoid.
No
Replace the
condensate spray
nozzle
Yes
Descaling Procedure-SteamCraft Ultra and Gemini Series
1. Turn the unit OFF and open the
doors:
This will drain and rinse the generator for about
3 minutes.
2. Turn the unit power back On:
The generator will begin to refill with water.
3. Select Timed with the Timed/Manual
switch:
DO NOT start the timer, since you do not want
to heat the water during descaling. Leave the
doors open.
4.
Remove descaling port cap and add
with the specified amount of
DISSLOVE:
(See chart above)
Do this while the unit is refilling. The generators
can take-up to 8 minutes to refill.
5.
After refill has stopped, add extra tap
water into the descaling port until
liquid is seen entering the cooking
cabinet.
Note: Ultra 10 gas will have liquid
coming out of the drain,
Adding extra water when descaling will raise the
descaling solution higher than the normal fill level,
allowing the DISSOLVE to work on sensors and
surfaces above the water line
6. Let the descaler soak in generator for
approximately one hour:
7. After one hour, turn the unit power
Off:
This will drain and rinse the generator
for about 3 minutes.
8. After the 3-minute drain cycle
completes, turn the unit back ON. After
the filling has stopped, add water until
liquid enters the cooking compartment (or
drain for the ultra 10 gas), and then turn
the unit OFF. This will drain and flush any
residue from the water level control
assembly. Replace descaling cap.
9.
After the 3 minute drain cycle
completes, Turn the unit ON and set
the Timer for 20 minutes:
Make sure the
Time/Manual switch is in the timed setting
and the doors are closed.
10. When the timer times out (after 20
minutes) turn the power Off:
This will drain and rinse the generator for
about 3 minutes.
This ends the descaling procedure. You can
now turn the unit back on and resume normal
startup and cooking operations.
How Much DISSOLVE to Use
Model Dissolve
Ultra 3 1/2 Gallon
Ultra 5 1 Gallon
Ultra 10 (Elec.) 1 Gallon (ea.)
Ultra 10 (Gas) 1½ Gallon
Gemini 6 & 10 1 Gallon (ea.)
Note: Some SteamCraft Ultra models (the
electric powered Ultra 10 and Gemini 6 and 10,
for example) have two generators and two
descaling ports. Both units should be descaled
at the same time, using this procedure
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Cleveland 24CGA6.2 User manual

Brand
Cleveland
Model
24CGA6.2
Type
User manual
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