Blodgett KLT-12GNAT Manual del propietario

IMPORTANT NOTES FOR INSTALLATION AND OPERATION

KLT-12G

GAS FIRED FLOOR MODEL TILTING KETTLE

INSTALLATION – OPERATION –MAINTENANCE

BLODGETT OVEN COMPANY

www.blodgett.com

44 Lakeside Avenue, Burlington, Vermont 05401 USA Telephone: (802) 658-6600 Fax: (802) 864-0183

S00073 Rev B (7/13)

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

1.0 IMPORTANT NOTES FOR INSTALLATION AND OPERATION..........................2

2.0 SERVICE CONNECTIONS .................................................................................4

3.0 INTRODUCTION .................................................................................................5

4.0 INSTALLATION INSTRUCTIONS ........................................................................6

5.0 OPERATING INSTRUCTIONS ...........................................................................9

6.0 CLEANING INSTRUCTIONS ............................................................................11

7.0 PERIODIC MAINTENANCE ..............................................................................13

8.0 SERVICE ..........................................................................................................14

9.0 TROUBLESHOOTING ......................................................................................17

APPENDIX A Material Safety Data Sheet.....................................................................18

2.0 SERVICE CONNECTIONS

Unless otherwise specified,Field Wire Electrical Connection to be 120

Volts, 60 Hz.single phase with grounding wire. Unit furnished with 8’cord

and 3 prong plug.Total max amps2.0.

GAS CONNECTION: Supplygas through 3/4”pipe.

NATURAL6”-14”W.C. (152mm - 355mmW.C.)

PROPANE 12” - 14”W.C. (305mm - 355 mmW.C.)

Contact manufacturer for installation over 2,000 ft.elevation.

CCOLD WATER - 3/8”O.D. tubing to faucet (optional)

HOT WATER - 3/8”O.D. tubing to faucet(optional)

SAFTEYRELIEF

VALVE AIRVENT

25.388 [645]

3 [76]

4.75 [121]

23.75 [603]

1.50 [38]

5.38 [137]

Ø20 [508]

Ø16.75

[425] I.D.

30 [762]

15.88 [403]

6 [752]

23.88 [607]

32.88 [835]

55.75 [1416]

OPTIONALFAUCET

POUR PATH

11.25 [285]

15 [381] 17.25 [483] 7.75 [197]

5.5 [140]

FLANGED FOOT DETAIL

4 EQUALLYSPACED

Ø7/16”[11MM] HOLES

ON 3 [76] B.C.

CLEARANCES:

SIDES = 0 [0]

BACK = 6 [152]

FOR USE ON NON-COMBUSTIBLE FLOORS ONLY

3.0 INTRODUCTION

DESCRIPTION

Model KLT-12G (12 gallon capacity) gas fired, self-contained, tilting kettle. The kettle has a

jacket of double-wall construction forming a sealed reservoir around the lower two-thirds of the

kettle. The reservoir is charged with distilled water. The kettle is equipped with a “clean lock” to

hold kettle in cooking position or tilted 105 degrees for ease of cleaning. The kettle is also

equipped with automatic ignition, low water cut off and tilt switch, which, when activated, shuts

down the burner.

BASIC FUNCTION

The kettle operates by generating steam in the kettle reservoir. The sequence of operation is as

follows:

1. Operator turns the power switch to the on position and sets the temperature control dial to

the desired setting.

2. The red light comes on indicating the kettle is heating. The green “IGNITION” light comes

on indicating that the ignition and burner are active.

3. Once the kettle reaches the set temperature, the red “TEMPERATURE” light and the green

“IGNITION” light extinguish.

4. All kettles are supplied with sufficient water in the jacket. If for any reason the water level

falls below the required amount to operate the kettle, the burner shuts down and the amber

light comes on. See Adding Water in Service section.

5. The sight glass indicates the water level within the kettle jacket.

6. The relief valve is a safety feature which prevents the internal kettle pressure from

exceeding 50 PSI. It should never be tampered with.

4.0 INSTALLATION INSTRUCTIONS

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.

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

with ANSI/NFPA 96 Standard for Ventilation and Fire Protection of Commercial Cooking

Operations.

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).

The electrical wiring diagram is located inside the right hand console of the appliance.

GAS CONNECTION

WARNING: Do not connect the appliance to the electrical supply

until after the gas connection has been made.

CAUTION: The pipe thread compound used when installing pipes

must be a type that is resistant to the action of liquified petroleum or

propane gases.

1. The Serial and Rating Plate on the unit indicates the type of gas your unit is equipped to

burn. DO NOT connect to any other gas type.

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

pressure regulator which is set at 4" W.C. manifold pressure for Natural Gas and 10" W.C.

for Propane Gas. Use 1/8" pipe tap on the union elbow assembly located in the console 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 supply pressure, minimum 6 inch W.C.

for natural gas and minimum 12 inch 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

problems, affecting burner operation. Contact you 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. Use pipe joint compound which is suitable for use with L.P. on all threaded

connections.

Test pipe connections thoroughly for gas leaks.

WARNING: Never use an open flame to check for gas leaks. Check

all connections for leaks using soapy water before use.

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.

INSTALLATION

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

2. Ideally an exhaust system should be directly above the appliance to exhaust combustion

gases generated by the unit.

3. The appliance is intended for use on noncombustible floors. The minimum clearance from

combustible and noncombustible floor construction is 0" on right side, 0" on left side and 6"

(152 mm) from the back of the flue chimney.

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

opening into the combustion chamber.

5. Set the appliance in place and level using spirit level. Level left to right and front to back.

6. Mark hole locations on the floor through the anchoring holes provided in the flanged

adjustable feet.

7. Remove the appliance from installation position and drill holes in locations marked on the

floor. (See installation diagram on Page 4). Insert proper anchoring devices. (Not

supplied).

8. Place appliance back in the installation position and Re-level left to right and front to back.

9. Bolt and anchor appliance securely to the floor.

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

11. Make service connections as indicated.

12. The pressure relief valve is located at the left 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. 3/4" diameter pipe may be used to extend

to the floor, but must not be piped directly to a drain. It must be vented to the atmosphere.

13. Check the pressure gauge on the front panel before operating. The reading should be in

the green vacuum zone (below 0 PSI). See “Re-establishing Vacuum” section under

Service Instructions.

5.0 OPERATING INSTRUCTIONS

FRONT PANEL CONTROLS:

Power Switch

This switch turns the main power to the unit on and off. It must be turned on to heat the kettle.

It should be turned off when the kettle will not be in use for long periods.

Thermostat

Selects the desired internal kettle operating temperature. It also turns on the temperature light

(red) and ignition light (green).

Temperature Pilot Light (Red)

When the kettle has reached set temperature, temperature light (red) will go off.

Ignition Pilot Light (Green)

Comes on with temperature light (red) and indicates ignition has occurred. Should it not come

on with temperature light, this would indicate failed ignition or burnt out light.

Low Water Light (Amber)

All kettles are supplied with sufficient water in the pressurized jacket. If at any time the water

level falls below that required for proper operation, the kettle will not heat and this light will come

on. See “Adding Water” section of service instructions.

Pressure Gauge

The pressure gauge indicates the internal operating pressure of the kettle.

Sight Glass

The sight glass indicates the water level within the kettle jacket.

Pressure Relief Valve

The pressure relief valve is a safety device which prevents the internal kettle pressure from

exceeding 50 psi. It should never be tampered with.

TILTING INSTRUCTIONS

Your kettle has the standard “Clean Lock” feature and may not be tilted without disengaging the

tilt knob located on the console at the top left. This feature locks the kettle in the upright

position and also allows the operator to lock the kettle at 105 degrees for ease of cleaning.

Follow these steps to tilt kettle:

1. Pull out the tilt knob at the top left of console.

2. Using kettle tilt handle, pull kettle forward to desired angle of pour or until kettle locks at 105

degrees. The tilt knob can be released after the kettle has been tilted approximately 10

degrees.

3. Kettle will lock in position at 105 degrees and may be tilted further by pulling the tilt lock

knob a second time allowing the kettle to tilt the full distance.

4. To return the kettle to the upright position, pull out the tilt lock knob and tilt the kettle upward

until it locks in the upright position. The kettle should not move in either direction once in the

upright position.

LIGHTING

1. Ensure the kettle is in the upright position.

2. Open the manual gas shut off valve located at the back of the right-hand console when

facing the front of the unit.

3. Set the thermostat dial in off position. Turn the power switch on.

4. Set the thermostat to desired setting. NOTE: Ignition may not occur at a setting below 2 - 3

on thermostat dial. If ignition light does not stay on, turn off thermostat. Wait five minutes

and repeat the lighting procedure.

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

purge period must be observed prior to re-establishing ignition source.

SHUT DOWN

1. Turn thermostat dial to “OFF” position.

2. Turn power switch to “OFF” position.

3. Close manual gas shut-off valve.

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