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INSTALLATION
AND
OPERATING
INSTRUCTIONS
Models: VH1620E, VHVA1620E, VH1828E & VHVA1828E
COUNTERTOP MODEL
ELECTRIC CONVEYOR OVENS
INTENDED FOR OTHER THAN HOUSEHOLD USE
RETAIN THIS MANUAL FOR FUTURE REFERENCE
OVEN MUST BE KEPT CLEAR OF COMBUSTIBLES AT ALL TIMES
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
! !
WARNING: Improper installation, adjustment, alteration, service or maintenance can
cause property damage
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Bakers Pride takes pride in the design and quality of our products. When used as intended and with proper care and maintenance, you will experience years of reliable operation from this equipment. To ensure best results, it is important that you carefully read and follow the instructions in this manual. Installation and start-up should be performed by a qualified installer who has thoroughly read, understands and follows these instructions. If you have questions concerning the installation, oper
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ARNING: W A factory authorized agent should handle all maintenance and . air rep Before doing any ! ! maintenance or , air rep act cont Bakers Pride. ARNING: W Never clean any electrical unit by immersing it in . water urn T f of before cleaning ! ! surface. ARNING: W An earthing cable must connect the appliance to all other s unit in the complete ! allation inst and from there to an independent earth connection. ! NOTICE: The unit when alled, inst must be electrically grounded and comply with l
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TABLE OF CONTENTS SECTION ITEM AGE P 1 Receiving 5 2 Location & Minimum Clearances 5 3 Installation 5 4 Stacking 6 5 Electrical Connections 6 6 System Check 8 7 Initial Start-Up 10 8 Shutdown 11 9 Special Features 11 10 Cleaning 12 11 Operator Maintenance 13 12 Rating Plate 14 13 Conveyor Removal 15 14 Conveyor Installation 15 15 Conveyor Belt Speed Calibration 16 16 Troubleshooting Guide 18 17 Temperature Control Conversion Chart 23 18 Solid State Relay Identification 24 19 Electrical Schematic
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I. INSTALLATION INSTRUCTIONS MODELS COVERED TOTAL KW PHASE VH1620E 6.4 1 or 3 VHVA1620E 6.4 1 or 3 VH1828E 12.4 1 or 3 VHVA1828E 12.4 1 or 3 1. RECEIVING Read the notice on the outside carton regarding damage in transit. "CONCEALED DAMAGE", damage discovered after opening the crate(s), MUST be reported immediately to the carrier. The carrier will perform an inspection of the damage and furnish forms for the consignee's claim against the carrier. Retain ALL packaging material - including outer ca
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E. Remove all loose parts and packages from the interior of the conveyor oven. The conveyor oven has (4) air-directing "plenum fingers" in the interior cooking chamber. Check these items for proper mounting. For further information on removal and mounting of interior panels, see Section 10, cleaning. 4. STACKING When Your conveyor oven(s) can be When acking, st acking, st align Dimpled stacked up to (3) high. Each unit is remove Foot of upper built exactly the same, so it does not legs from un
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Field Connections NOTE: VERIFY THAT INPUT POWER MATCHES THE OVEN POWER REQUIREMENTS STATED ON THE RATING PLATE, WHICH IS LOCATED ON THE POWER CONTROL BOX. IF INPUT VOLTAGE DOES NOT MATCH OVEN VOLTAGE REQUIREMENTS, THE CORRECT CONVEYOR OVEN MUST BE INSTALLED. THE CONVEYOR OVEN CANNOT BE MODIFIED IN THE FIELD TO MATCH INPUT POWER. CAUTION: FOR 3 PHASE UNITS ONLY: VERIFY VOLTAGE OF EACH LEG. IF ANY LEG HAS A VOLTAGE GREATER THAN 240V THIS LEG MUST BE CONNECTED TO L-3 ON THE POWER DISTRIBUTION BLOCK
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6. SYSTEM CHECK a) Insure that the conveyor belt assembly is alled inst , correctly with the t drive-shaf pin fitting firmly into the coupling that protrudes from the Power Control Box gearmotor output t. shaf isually V check that the belt is flat and arallel p to the countertop surface. If the belt is not arallel p to the countertop, it may be necessary to re-align the gearmotor output t shaf to the conveyor belt drive t shaf pin. Follow this procedure: 1. DISCONNECT THE POWER Y SUPPL BEFORE VI
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c) Remove the front door and verify the proper ation orient of the upper air return shield. The plenum fingers are identical, so any finger can be mounted in any location. IRA E L B U I H S UM " N Y LB A R UO F E I D L A N R E T IN D E I X F R UM N P S E E S D T S LO S HINGED DOOR R E IRA HINGED U E IH S FRONT DOOR E S d) Secure the (4) outer side anels p to the main frame assembly using the …-turn fasteners that are ached att to these anels. p Mount these side anels p AFTER the conveyor has bee
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7. INITIAL ARTUP ST a) Focus on the angled Electric Control Box aining cont the Main Switch (GREEN rocker type, lighted). The A-Series VHV oven is shown, which ains cont (5) able adjust knobs for blowers, temperature controls, and conveyor belt speed. VH-Series ovens only have (3) able adjust knobs that control temperature and conveyor belt speed. ow T indicator s light are mounted to show when T HEA si being added to the system. MAIN SWITCH ON (I) OFF (0) UPPER TURE TEMPERA OP T TURE TEMPERA R
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8. SHUTDOWN The conveyor oven is supplied with a special that s help cool the oven quickly COOL-DOWN CIRCUIT once the unit has been shut . OFF This feature performs the following functions when the Main Switch is turned OFF at the end of the day: a) The blowers keep running to re-circulate air through the air chambers b) The heaters shut . OFF c) The conveyor belt s stop moving. d) Once the oven has cooled down to a factory pre-set temperature, the blowers shut . OFF The oven is now complete
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10. CLEANING CAUTION: THE CONVEYOR OVEN AINS CONT ELECTRICAL COMPONENTS. TURN OFF THE OVEN AND DISCONNECT THE POWER BEFORE CLEANING BEGINS. DO NOT CLEAN THE CONVEYOR OVEN WITH TER A . A W JET Use only a damp cloth. Y WEEKL CLEANING: 1. Remove crumb ans. p Remove conveyor belt . assembly 2. Remove plenum finger assemblies and disassemble for cleaning. Oven Exterior: CLEAN Y ONL WHEN THE OVEN IS COLD. andard t S construction of the exterior is of ainless st steel. s Deposit of baked-on splatter
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AIR PLENUM FINGER Y ASSEMBL Outer Perforated Inner Perforated Panel Screen ainless t (S teel) S ainless t (S teel) S Although symmetrical in design, inner anel p must have flanges facing up as shown Main Panel (Aluminized teel) S The Outer Perforated anel p is locked into place through a friction fit to the Main anel. p This method of fastening also captures the Inner anel, p holding it in place. The Outer anel p slides f of the Main anel, p exposing the perforated Inner anel. p The Inner anel
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1. Check to see if the main circuit breaker is ON at the breaker anel. p 2. Check the (2) 5-amp fuses located in the bottom of the Power Control Box . CAUTION : IF FUSES ARE BAD, REPLACE Y ONL WITH IDENTICAL FUSES. DO NOT SUBSTITUTE HIGHER ALUE V FUSES, AS THIS Y MA NULLIFY NEEDED PROTECTION FOR THE INTERNAL ELECTRICAL COMPONENTS. 3. Check that the Main Switch is ON. If operating , properly the rocker switch will be lighted when ON. 4. Check the setting of the temperature control s at thermost (
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13. CONVEYOR AL REMOV Extensive Engineering went into designing your oven for ease of cleaning. One SPECIAL TURE FEA is the ability to remove the conveyor belt assembly straight out the font of the oven. Follow this procedure, using the diagram provided: (See drawing below) a) Remove any extension trays present, ating rot them upwards to clear the conveyor frame. Flanges on the trays hook around the ends of the frame. b) Remove the two crumb ans. p c) Remove the upper outer side covers, which ha
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15. CONVEYOR BELT SPEED CALIBRATION The conveyor belt requires calibration to properly align the speed control knob on the Electric Control Box. Calibration is done by timing the belt as it passes between two timing marks located on the conveyor frame. This method will work regardless of belt travel direction. Follow the instructions below. Idler Shaft Belt Travel (Standard) Timing Marks on Conveyor Frame Conveyor Frame 5” (1620E), or 7” (1828E) A. Remove the adjustment knob of the conveyor belt
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Time of delivery will be different for Time will be the same for any size product. different sizes of products. Bake Time Time of Delivery Leading Edge of Product Trailing Edge of Product Bake Time Time of Delivery (TOD) = X (Bake Chamber Length + Product Diameter) Bake Chamber Length Example 1: Bakers Pride Dual Air Model 1620, 6 Minute Bake Time, 16” pizza (time required for the 1st item): 6 Minutes (TOD) = X (20 + 16) = 10.8 Minutes 20” Example 2: Bakers Pride Dual Air Model 1828, 6 Minute Ba
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16. TROUBLESHOOTING GUIDE THE PROBLEM THE CAUSE THE SOLUTION Blown fuse(s) Replace fuse with identical type - 5 amp Main Switch OFF urn T ON Main Switch broken Replace Main circuit breaker OFF urn T ON Power cord disconnected (1620E only) Plug cord in (1620E only) Power connections broken Check power distribution terminal block below Power Control Box CAUTION: TURN OFF POWER , open Conveyor belt running backwards Conveyor belt Power Control Box, and flip Reversing doesn ’t move, or it Switch to
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THE PROBLEM THE CAUSE THE SOLUTION Conveyor belt Conveyor gearmotor failed 4. erify V wire connectors from power doesn ’t move, or it (Continued) supply to gearmotor (2 wires moves . unevenly w/connectors). If power supply doesn ’t Unexpected speed changes. 5. erify V potentiomter connections to (Continued) gearmotor (3 wires w/connectors). If speed doesn ’t change when knob is turned, test with spare pot before replacing original pot. If all previous test s verify power and control to gearmotor
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THE PROBLEM THE CAUSE THE SOLUTION Wire connections broken or loose between CAUTION: THE FOLLOWING TESTS 1- No air or not speed controls and blower motor(s) 4 ARE PERFORMED WITH LIVE POWER enough air coming (model VHVA-Series only) from blower(s) WITH CONTROL BOX OPEN, OR REAR (Continued) MOTOR COVER REMOVED. THESE TESTS TO BE PERFORMED ONLY BY AN AUTHORIZED SERVICE AGENT. 1. Speed control wire connections are labeled U, V, and W. Insure connectors are tight. 2. Insure these (3) wires are tight
