Vulcan-Hart GR25 Wartungshandbuch

SERVICE MANUALVULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL. (502) 778-2791FORM 30912 (1-95)MODEL GRD35GRS, GRD, AND GRC 25, 35, 4

103. Push power switch ON and immediately touch one end of the jumper firmly to the GND terminal on themodule. Do not touch the jumper to the SPARK t

100Drwg. No. 419564-2

101NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1

102Drwg. No. 419564-3

103NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1

104Drwg. No. 419366-1

105NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1

106Drwg. No. 419366-2

107NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1

108Drwg. No. 419366-3

109NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1

11SERVICE MODEEnter the service mode by pressing the product 3 and product 4 keys while turning "on" power to the fryercomputer. Display s

110

111

112FORM 30912 (1-95)

12WARNING: UNPLUG FRYER BEFORE SERVICING.WARNING: SHUT OFF GAS BEFORE SERVICING.WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR

134. Reinstall panel by reversing steps 1-3.CONTROL PANEL (ELECTRONIC IGNITION)1. Follow steps 1 through 3 under Standard Millivolt Construction. (F

14CONTROL PANEL (COMPUTERIZED).1. Follow steps 1 through 2 under Solid State Construction and disconnect the computer powerwiring harness. (Figs. 5)F

15REMOVAL OF CONTROL PANEL HOUSING1. Follow steps 1-2 under Control Panel (Electronic ignition).2. With a 5/16" socket remove (4) screws holding

16REMOVAL OF KX THERMOSTAT1. Drain fry compound from the tank.2. Follow steps 1-3 under Removal of Control Panel (Standard Millivolts) (Figs. 9)3. Re

175. From inside the fryer cabinet, follow the thermostat lead wire to the bulb packing nuts in the bottom of thetank. With a 5/16" wrench remo

18REMOVAL OF POTENTIOMETER1. Follow steps 1-2 under Control Panel (Solid State Construction)2. With a small flat blade screwdriver loosen the set scre

19REMOVAL OF THERMISTOR PROBE1. Follow steps 1-5 under Removal of Potentiometer.2. If necessary remove burners that may be in the way of the thermisto

2IMPORTANT FOR YOUR SAFETYTHIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO SERVICE ANDADJUST THE EQUIPMENT COVERED BY THIS MANUAL.POST IN A PR

205. Pull the thermistor probe lead from the fryer tank and install new Thermistor probe by reversingsteps 1-6. (See Fig. 12)REMOVAL OF COMPUTER1. Fo

21REMOVAL OF ROCKER SWITCHES1. Follow steps 1-2 under Control Panel (Solid State).2. From rear of control panel note and remove wire leads from the r

22REMOVAL OF HIGH LIMIT1. Drain shortening from the fryer.2. Open fryer door and disengage hi limit wire harness located below the control housing to

234. Remove (2) #8 sheet metal screws from the bracket holding the limit in place. (Fig.23)Fig. 235. From inside the fryer tank, with a 1/4"

246. If necessary for ease of accessibility follow steps 1-8 under Removal of Burner and take out anyburner in the way of the limit bulb packing and r

25 9. Pull the limit bulb out from underneath the fryer tank. (See Fig. 86)10. Reinstall new high limit by reversing steps 1-9.REMOVAL OF THERMOPILE

264. Refer to steps 1-8 under removal of burner and remove burners as required to access thethermopile bracket and its hardware.5. Slide the control h

277. With an offset flat blade screwdriver remove the pilot assembly from the mounting bracket. (Fig. 31)9. Reinstall new thermopile by reversing ste

28REMOVAL OF PILOT1. Follow instructions for the Removal of Thermopile.2. With a 1/2" wrench remove the hex nut on the bottom of the pilot and d

29Figs. 343. Refer to steps 1-8 under Removal of Burners and disassemble burners as required to access the ignitorassembly for servicing.4. Slide the

3TABLE OF CONTENTSCODES AND STANDARDSVulcan-Hart Fryers are to be installed in accordance with state and local codes, or in the absence of local codes

30REMOVAL OF GAS COMBO VALVE1. Shut off all gas and electrical power to the unit.2. Open fryer door and locate valve. (Fig. 36)Fig. 363. Follow steps

31Union Shown fromBack Of FryerThe next several steps may require the removal of the Discard drain tubes on fryers with filtering systems.If this appl

32 8. Note and remove any old fittings left on the valve. Keep them for reassembly to the new valve. 9. Install the old fittings removed in step 8

335. With a 1/2" socket loosen (2) bolts that attach the burner to the mounting frame. (Fig. 41)Fig. 416. Slide the heat shield back up to its o

34BULLET NOSE BURNER ORIFICE REPLACEMENT1. Follow steps 1-8 under Replacement of Burner.2. Disconnect the burner orifice top from bullet with a 5/16&

354. Separate the discard tube by sliding the rubber collar down one side of the drain tube. (Fig. 45)Fig. 455. Move the discard pan under the ball v

36REMOVAL OF POWER SUPPLY BOX (ELECTRONIC IGNITION AND BASKET LIFT MODELS)1. Disconnect gas line and pull out so that the back is accessible.2. Disco

375. Drop the supply box housing out of the bottom of the fryer.6. To access the controls with a 5/16" socket remove (2) screws from the power su

385. With a 1/4" socket remove (4) #8 sheet metal screws and pull module from the housing. (Fig. 51)Fig. 516. Reinstall new module by reversing

394. With 1/4" socket remove (2) screws securing the transformer to the control box. (Fig. 53)Fig. 535. Install new transformer by reversing ste

4SECTION IGRS,GRD AND GRC SERVICE CHECKS & ADJUSTMENTSWARNING: UNPLUG FRYER BEFORE SERVICING.WARNING: SHUT OFF GAS BEFORE SERVICING.WARNING: CERTA

404. From inside the box disconnect wiring associated with the supply cord.5. Install the new power supply cord by reversing steps 1-4.REMOVAL OF BASK

415. Lift back up and over the lift mechanism. (Fig. 57) Fig. 576. Disconnect the gas line and remove the lower basket lift back by disengaging (2) s

427. To reinstall basket back panels reverse steps 1-6.REMOVAL OF LIFT ROD MECHANISM1. Follow steps 1-6 under Removal of Basket Lift Backs2. With a 1/

434. With 5/16" socket remove (2) nut holding the cam lift bracket to the fryer back. (Fig. 61)Fig. 615. Remove motor wiring. (Fig. 62)Fig. 62

446. With flat blade screwdriver remove (2) screws holding the motor to the cam bracket assembly.(Fig. 63)Fig. 637. Remove the motor from the cooker.

45REMOVAL OF BASKET LIFT CAM (OPTIONAL ACCESSORY)1. Follow steps 1-6 under Removal of Basket Lift Back.2. With a 1/2" wrench or socket remove the

46REMOVAL OF TANK ASSEMBLYIf the fryer is equipped with automatic basket lifts the lift arm(s) must be removed from the fryer back before thetank can

473. If a fryer battery is involved, with a utility knife split the silicon sealant from around the grease strip betweenthe tanks and remove the stain

485. Follow steps 1-4 under Removal of Control Housing.6. Follow steps 1-7 under Removal of Discard Tube(s).7. For D and C models with a 7/16" so

499. With a 13/16" wrench disconnect the compression elbow from the gas inlet tube. (Fig. 73)Fig. 7310. With 5/16" remove (4) screws holdin

5COMBINATION VALVE GAS PRESSURE CHECK1. Check pressure rating of appliance as stated on the fryer door.2. Connect a manometer to the pressure tap of t

5013. Disconnect micro switch. (Fig. 75)Fig. 7514. With a 13/16" wrench disconnect the oil refill coupling. (Fig. 76)Fig. 76

5115. Grasp tank from the back at the top of the flue wrap area and lift the entire tank assembly out of the fryer body.Note that on D and C models th

5217. Remove the burner insulation box. (Fig. 79)Fig. 7918. With flat blade screwdriver remove the pilot bracket. (Fig. 80)Fig. 80

5319. If servicing a D or C model with a 5/16" wrench remove the hi limit packing nut. For S models use a 1/2"wrench. (Fig. 81)Fig. 8120

5421. With an 1/2" wrench remove the thermistor or thermo bulb packing nut. (Fig. 83)Fig. 8322. With an 11/16" wrench remove the compressio

5523. With a 1/4" socket from inside the fryer tank remove the hardware and mounting clips holdingthe hi limit and thermistor/thermostat bulb to

5625. With a 1/2" wrench remove (4) bolts securing the manifold bracket to the tank assembly. (Fig. 87)Fig. 8726. For fryers housing a filter st

5727. Remove the pull rod handle. (Fig. 89)Fig. 8928. With a 7/16" socket remove all the pull rod hardware from the micro switch assembly. (Fig

5829. Pull the rod up through the mounting bracket and out of the fryer. (Fig. 91)Fig. 9130. Pull the manifold assembly from the fryer. (Fig. 92)Fi

5931. With an adjustable wrench remove the elbow from the tank assembly. (Fig. 93)Fig. 9332. With a 3/8" socket remove (2) nuts holding the oil

6HI LIMIT CHECK1. Place pyrometer in the tank 1/2" above the crumb screen in the center of the vat.2. Turn fryer on.3. Bypass the hi limit by run

6033. With a pipe wrench remove the remove the drain valve and drain pipe assembly from the tank. (Fig 95)Fig. 9534. With a 3/8" socket remove (

61SECTION lllWIRING INFORMATION

62Drwg. No. 419357-1

63RS W/MILLIVOLT SYSTEM419999–2

64Drwg. No. 419357-2

65NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

66Drwg. No. 419357-3

67NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

68Drwg. No. 419322-1

69NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

7FILTER INTER PLUMB DISCARD TUBE (Option)1. Close the drain valve.2. Place shortening discard pan under the tube plug end that will be serviced.3. Wi

70Drwg. No. 419322-2

71NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

72Drwg. No. 419322-3

73NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

74Drwg. No. 419323-1

75NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

76Drwg. No. 419323-2

77NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

78Drwg. No. 419323-3

79NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

8SECTION IGRS SERIES (ONLY) SERVICE CHECKSWARNING: UNPLUG FRYER BEFORE SERVICING.WARNING: SHUT OFF GAS BEFORE SERVICING.WARNING: CERTAIN PROCEDURES IN

80Drwg. No. 419318-1

81NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

82Drwg. No. 419318-2

83NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D14

84Drwg. No. 419318-3

85NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

86Drwg. No. 419340-1

87NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

88Drwg. No. 419340-2

89NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

9 1 2 3 4 5 6 7 8 9

90Drwg. No. 419340-3

91NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

92Drwg. No. 419337-1

93NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

94Drwg. No. 419337-2

95NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

96Drwg. No. 419337-3

97NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1R

98Drwg. No. 419564-1

99NOTE:WIRE COLOR IS WHITE IN 120 VOLT UNITS.208 VOLT UNITS USE THE RED WIRE.230 VOLT UNITS USE THE BLUE WIRE.CAP THE UNUSED WIRE WITH WIRE NUT.▲▲1D1W