Blodgett KLT-20G Manuel utilisateur

IMPORTANT NOTES FOR INSTALLATION AND OPERATION

KLT-G Series

GAS FIRED TRI-LEG TILTING KETTLE

INSTALLATION – OPERATION –MAINTENANCE

BLODGETT OVEN COMPANY

www.blodgett.com

44 Lakeside Avenue, Burlington, Vermont 05401 USA Telephone (800) 331-5842, (802) 860-3700 Fax: (802) 864-0183

S00052 Rev A (5/04)

It is recommended that this manual be read thoroughly and that all instructions be followed

carefully.

This is the safety alert symbol. It is used to alert you to potential personal

injury hazards. Obey all safety messages that follow this symbol to avoid

possible injury or death.

FOR YOUR SAFETY: Do not store or use gasoline or other flammable

vapors or liquids in the vicinity of this or any other appliance.

WARNING: Improper installation, operation, adjustment, alteration, service

or maintenance can cause property damage, injury or death. Read the

installation, operating and maintenance instructions thoroughly before

installing, operating or servicing this equipment.

PURCHASER: Instructions to be followed in the event that the operator of this

appliance smells gas must be posted in a prominent location. This information shall be

obtained by consulting the local gas supplier.

Do not obstruct the flow of combustion and ventilation air.

Keep the appliance area free and clear from combustibles.

Adequate clearances must be maintained for servicing and proper operation.

Do not attempt to operate this unit in the event of a power failure.

Intended for commercial use only. Not for household use.

This manual should be retained for future reference.

TABLE OF CONTENTS

DESCRIPTION PAGE

Important Notes For Installation and Operation 2

1.0 Service Connections 4

2.0 Installation 5

3.0 Operation 10

4.0 Cleaning Instructions 16

5.0 Maintenance 20

6.0 Service 21

7.0 Troubleshooting 26

Appendix A, Material Safety Data Sheet 29

1.0 SERVICE CONNECTIONS

29 [373]

MINIMUM

4[102mm]

8.125 [206]

27.75 [705]

10.5[267]

[889]

[660]

(GLT-20) 6.25[159]

(GLT-30...60) 7[178]

5.875[149] 3[76]

2[51]

[914]

6[152]

FLANGED FOOT DETAIL

7/16" [11mm] HOLES

ON 2.5 [63] B.C.

EQUALLY SPACED

DIMENSIONS ARE IN INCHES [MM]

Supply gas through 3/4" pipe . A gas shut-off valve must be installed in supply piping convenient and adjacent to appliance.

Unless other wise specified, Field Wire Electrical Connection to be 120 Volts, 60 Hertz single phase with grounding wire.

COLD WATER: 3/8"(10mm) tubing to faucet (OPTIONAL)

HOT WATER: 3/8"(10mm) tubing to faucet (OPTIONAL)

DIMENSIONS

394

15.5

419

495

19.5

16.5

152 litres

CAPACITY

227 litres

KLT-60G

KLT-40G

60 gallons

40 gallons

KLT-20G

MODEL

76 litres

20 gallons

1108

43.63

1159

45.63

660

762mm

inches

1499

1099

43.25

1115

43.88

454

419

16.5

17.88

2083

1930

1032

40.63

508

inches

48.13

1222

1019

40.13

483

1943

76.5

565

22.25

140 584

191

5.5

7.5

584

1156

1080

45.5

42.5

610

279

559

40.5

1029

18.38

467

629

24.75 30.5

775

648

25.5

562

22.13

724

28.5

UNITS

55.25

1403

KLT-20G

MODEL

6"-14" (152-356mm)

SUPPLY PIPE PRESSURE (W.C.)

11"-14" (279-356mm)

Propane

Natural

GAS SUPPLY

KLT-40G

KLT-60G

kW/HR.

23.4

80,000

120,000

100,000

35.2

29.3

BTU/HR.

2.0 INSTALLATION

INSTALLATION CODES AND STANDARDS

Installation must conform with local codes, or in the absence of local codes, with the National

Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA

B149.1, as applicable.

1. The appliance and its individual shut off valve must be disconnected from the gas supply

piping system during any pressure testing of that system at pressures in excess of ½ psi

(3.5 kPa). .

2. The appliance must be isolated from the gas supply piping system by closing its individual

manual shut off valve during any pressure testing of the gas supply piping system at test

pressures equal to or less than ½ psi (3.5 kPa).

Electrical grounding must be provided in accordance with local codes, or in the absence of local

codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA

C22.2, as applicable.

The electrical diagram is located on the inside of side panel of left hand console.

EXHAUST FANS AND CANOPIES: Canopies are set over ranges, ovens and kettles for

ventilation purposes. It is recommended that a canopy extend 6 inches past appliance and be

located 7.5 feet from the floor. Filters should be installed at an angle of 45 degrees or more with

the horizontal. This position prevents dripping of grease and facilitates collecting the run-off

grease in a drip pan, usually installed with the filter. A strong exhaust fan tends to create a

vacuum in the room and may interfere with burner performance or may extinguish pilot flames.

Makeup air openings approximately equal to the fan area will relieve such vacuum. In case of

unsatisfactory performance on any appliance, check operation with exhaust fan in the “OFF”

position.

WALL EXHAUST FAN: The exhaust fan should be installed at least two feet above the vent

opening at the top of the unit.

CLEARANCES: Adequate clearance must be provided in aisle and at the side and back.

Adequate clearances for air openings into the combustion chamber must be provided, as well

as for serviceability.

SIDES - 0 INCHES

BACK - 4 INCHES AT FLUE BOX

FLOORS - NON-COMBUSTIBLE

INSTALLATION (Continued)

All units must be installed in such a manner that the flow of combustion and ventilation air are

not obstructed. Provisions for an adequate air supply must also be provided. Do not obstruct

side of the unit, as combustion air enters through this area.

Information on the construction and installation of ventilating hoods may be obtained from the

standard for “Vapor Removal from Cooking Equipment”, NFPA No. 96 (latest edition), available

from the National Fire Protection Association, Batterymarch Park, Quincy, MA, USA, 02269.

TO INSTALL

1. Uncrate carefully. Report any hidden freight damage to the freight company immediately.

2. The pressure relief valve is located at the right rear of the unit. This area should be kept

clear and should not be in an area where operators will normally stand. The elbow on the

relief valve should be turned toward the floor. A maximum 3 foot, 3/4" diameter pipe may be

used to extend to the floor, but must not be piped directly to a drain. It must vent to the

atmosphere.

3. Set the unit in place. Be certain to maintain minimum clearances as stated above.

4. To level the unit use a spirit level in all directions on the top of the kettle (lid up). Adjust the

bottom foot on each leg to overcome an uneven floor.

5. Mark hole locations on floor through anchoring holes provided in flanged adjustable feet.

6. Remove appliance and drill holes in locations marked on floor and insert proper anchoring

devices.

7. Set unit back in position and re-level left to right and front to back.

8. Bolt and anchor appliances securely to the floor.

9. Seal bolts and flanged feet with silastic or equivalent compound.

10. Appliance location must allow air supply to unit and obstruction free clearance for air

opening into the combustion chamber.

11. Make service connections as indicated.

12. Check the pressure gauge on the front panel before operating. If the pressure gauge does

not indicate green vacuum zone (below 0 psi), see “Re-establishing Vacuum” section under

SERVICE, after completing installation instructions.

2.0 INSTALLATION (Continued)

GAS CONNECTION

The serial plate on the lower right side of the unit indicates the type of gas your unit is equipped

to burn. Do NOT connect to any other gas type.

A 3/4" NPT line is provided at the rear for the connection. Each unit is equipped with an internal

pressure regulator which is set for 3.5" W.C. manifold pressure for natural gas and 4.0" W.C. for

propane gas. Use 1/8" pipe tap on the downstream side of the combination valve for checking

pressure.

An adequate gas supply is imperative. Undersized or low pressure lines will restrict the volume

of gas required for satisfactory performance. A steady pressure, minimum 6" W.C. for natural

gas and minimum 11" W.C. for propane gas, is recommended. With all units operating

simultaneously, the manifold pressure on all units should not show any appreciable drop.

Fluctuations of more than 25% on natural gas, and 10% on propane gas, will create pilot

problems and affect burner operating characteristics. Contact your gas company for correct

supply line sizes.

Purge the supply line to clean out any dust, dirt, or other foreign matter before connecting the

line to the unit. It is recommended that an individual manual shut off valve be installed in the

gas supply line to the unit. Use pipe joint compound which is suitable for use with LP gas on all

threaded connections. Test pipe connections thoroughly for gas leaks.

WARNING: All connections must be checked for leaks, after the unit has been

put in operation. Use soapy water only for testing on all gases. Never use an

open flame to check for gas leaks.

NOTICE: If applicable, the vent line from the gas appliance pressure regulator shall be

installed to the outdoors in accordance with local codes or, in the absence of local codes, with

the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation

Code CSA B149.1, as applicable.

NOTICE: If this equipment is being installed at over 2,000 feet altitude and was not so specified

on order, contact service department. Failure to install with proper orifice sizing may void the

warranty.

2.0 INSTALLATION (Continued)

WATER CONNECTION

On units equipped with an optional water fill valve connect a water line (minimum 1/4") to the

valve with a 1/4" NPT female fitting. Units with dual (hot and cold) valves must have the hot

water line connected to side with the hot water valve (red) and cold water line to the cold water

valve (blue). Plastic or rubber hose is not recommended, as it may melt against the hot kettle

side.

ELECTRICAL CONNECTION

WARNING: Do not connect the kettle to the electrical supply until after the gas

connection has been made.

1. 120 VAC - 60 Hz - Single Phase

WARNING: ELECTRICAL GROUNDING INSTRUCTIONS

This appliance is equipped with a three-prong (grounding) plug for your protection

against shock hazard and should be plugged directly into a properly grounded

three-prong receptacle. Do not cut or remove the grounding prong from this plug.

(120V units only).

Units with this electrical rating are factory supplied with a three-wired cord and three-prong plug

which fits any standard 120V, three-prong grounded receptacle. A separate 15 amp supply is

needed for each unit.

1. 208/240 VAC - 60 Hz - Single and Three Phase

Units with this electrical rating are factory equipped with a transformer. To connect supply

wires, remove cover from right console. Route supply wires and ground wire through the

hole in the console with a strain relief fitting. Connect wires to the terminal block in the rear

of the right console. Connect ground wire to lug. Replace cover. Three-phase units are

wired as above, using only two supply wires. The third supply wire is not connected and

must be properly terminated.

1. 220 VAC - 50 Hz - Single Phase

Units equipped with this voltage ratings should be wired exactly as in (2.) above.

2.0 INSTALLATION (Continued)

PERFORMANCE CHECK

The following items should be checked before or within the first 30 days of operation by a

qualified service technician.

1. Verify correct gas type against rating plate on unit.

2. Verify correct voltage, cycle and phase against rating plate on unit.

3. Gas pressure.

4. Internal gas connections.

5. Internal electrical connections.

6. Burners - adjustment and ignition.

7. Thermostat - cycle for operation check.

8. Gas supply valve - check for operation.

9. Check hinge and lid assembly.

10. Draw-off valve - check operation.

11. Advise user on cleaning procedure.

3.0 OPERATION

CAUTION: If you smell gas during the lighting procedure, immediately shut off the

gas supply until the leak has been corrected.

WARNING: In the event of main burner ignition failure, a 5 minute purge period

must be observed prior to re-establishing ignition source.

WARNING: In the event you smell gas, shut down equipment at the main shut off

valve and contact the local gas company or gas supplier for service.

GAS CONTROL INSTRUCTIONS

The units do not require “lighting” the pilot with a match.

A. Lighting

1. Open manual gas shut off valve.

2. Set thermostat to OFF, and kettle in fully upright position, turn power switch ON.

3. Set thermostat to maximum, initiating a 30 second pre-purge. Red “COOKING” pilot will

come on, and after 30 seconds, the green “IGNITION” pilot will come on, lighting the main

burners.

Contact the factory, the factory representative or a local service company to perform

maintenance and repairs should the appliance malfunction.

NOTE: Unit is shipped with gas combination valve turned “on”.

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