FP140218 REV: ORIG
CONVECTION OVEN
MODEL 621
Convection is the ideal way to cook foods evenly and quickly. This oven features a 3 step bake
process with ten programmable presets to make your baking process simpler. Heated, circulating
air throughout the oven penetrates food quickly. Perfect for everything from cookies, muffi ns, and
biscuits to frozen snacks and hors d’oeuvre.
FEATURES:
• Quick, easy 3 step bake process with 10
programmable presets
• Precise temperature and adjustable time
control
• High speed fan for even air distribution
• Baking temperatures ranging from 150ºF-500ºF
• Stainless steel construction
• Insulated, double wall construction
• Removable door and rack supports for easy
cleaning
• Unit comes with (3) Wire Racks and (3) 13½" x
10" Aluminum Baking Trays
• Able to accommodate (3) standard ¼ size sheet
pans (Not Included)
• Will accommodate most 9" x 13" pans depending on the height and style of the lip/rim
ACCESSORIES:
• 00620PS3 - 3 Aluminum Baking Trays Boxed Set
• 0022693 - 500 Count Parchment Paper
• 0022694 - 1000 Count Parchment Paper
• 0022840CR - Cooling Rack Kit
ELECTRICAL DATA:
VOLTS: AMPS:120 WATTS:10.9 1300
• Best when operated on an individual branch
circuit
• 53" NEMA 5-15 Power Cord
NEMA 5-15P
DIMENSIONS:
• 19"W x 18"D x 14 ¼"H
• ACTUAL WEIGHT: 36 lbs.
SHIPPING INFORMATION:
• SHIPPING DIMENSIONS: 23"W x 25"D x 18"H
• SHIPPING WEIGHT: 47 lbs.
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
IMPORTANT: Read the following safety and operation instructions to avoid damage to equipment or property.
uration for this unit. We recommend usage on an individual branch circuit of at least 15 amps for
below in order to get rid of any oil, fi lm, etc. that may still be on the oven from the manufactur-
temperature reduction of 25°F-30°F is recommended as a starting point. Actual baking will vary
peratures are used. Most recipes can be converted by having shorter cooking times and/or reduc-
Load the oven from the bottom up. To ensure even baking, equal amounts of products should be
• We suggest a clearance of 1-3 inches between pans when cooking for proper air circulation and
Plug unit into a properly grounded electrical outlet of the correct voltage, size, and plug confi g-
best results. Failure to do so may result in decreased performance of the warmer.
The oven should never be operated on or near combustible materials. Caution should be taken
because the hot surfaces attained during use.
Exterior surfaces on unit may get hot. Use caution when touching these areas to avoid injury.
Unplug warmer when not in use.
INITIAL START UP
Before you use your new Wisco 621 Convection Oven, you will want to follow the steps listed
ing process.
The unit may initially smoke during this process.
• Clean the oven with a mild detergent inside & out
• Set the oven’s temperature control board to 400°F
• Allow the oven to run for approximately 60 minutes
• After this cycle, you are now ready to start cooking
OPERATING INSTRUCTIONS
TEMPERATURE
Most products require lower temperatures than suggested for deck or range ovens. A standard
pending product weight and consistency. If the edges of the product are done and the center is
still raw or there is extensive color variation, reduce the thermostat setting by 15°F-25°F until
the desired results are achieved. Excessive temperatures will not reduce baking time.
TIME
Convection ovens generally bake 20% faster than deck or range ovens even though lower teming your cooking temperatures.
• Frozen food products will require more time than refrigerated products
• 3 trays of food product will take more cook time than 1 tray of food
PRODUCTS
used. Diff erent amounts of product in diff erent pans can cause uneven baking.
best results.
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
Unit is not waterproof. Do Not submerge in water. Do not operate if unit has been submerged in
Unplug unit from power source and allow to cool completely before performing any maintenance
The inside of the oven can be cleaned with a mild detergent, water, and a soft cloth. Do not use
OPERATING INSTRUCTIONS
• General Description:
◦ The 621 Convection oven off ers manual control of TIME and TEMPERATURE settings
◦ The TIME can be adjusted in 30 second increments
◦ The TEMPERATURE can be in 5°F increments
• Programming:
◦ Press ON/OFF
◦ To program the oven, hold PROGRAM button until a beep sounds
◦ Using arrows choose the preset you desire to program, P1, P2, P3, etc. then press
SELECT
◦ Adjust your TIME, then press SELECT
◦ Adjust your TEMPERATURE
◦ Once TIME and TEMPERATURE are selected, hold PROGRAM to exit out until a beep
sounds verifying program exit mode
◦ Presets will remain in memory even if the oven is unplugged
• Baking:
◦ Choose the preset you require for baking
◦ Press START/STOP to begin PREHEAT
◦ While the oven is preheating, the PREHEAT light will flash
◦ Preheating TEMPERATURE will rise in 5°F increments
◦ Once preheated insert baking goods and press START/STOP to begin the timer
◦ You can repeat process of baking by pressing START/STOP
◦ If re-baking on same preset, PREHEAT will be skipped and continue to TIME
◦ You may increase or decrease bake time in 30 second increments during the bake cycle
CLEANING INSTRUCTIONS
water.
or cleaning.
acids or caustic products such as foaming oven cleaners.
Pans, racks and support racks are easily removed for cleaning with a mild detergent, water and
soft cloth. To remove support racks, simply lift up and out.
The outside of the oven can be cleaned with a mild detergent, water, and soft cloth. You may
also use a stainless steel cleaner.
AVOID USING ABRASIVE/SCOURING PADS AS SOME MAY CAUSE SCRATCH MARKS ON YOUR UNIT.
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
CONVECTION OVEN DOOR REMOVAL
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
PARTS LIST:
MODEL 621
ITEM # PART# DESCRIPTION
1. 0022670 COOKING RACK
2. 0022679 COOKIE TRAY
3. 0022676 INTERNAL SUPPORT RACK
4. 0022691 INTERNAL SUPPORT SCREW
5. 0027429SK DOOR ASSEMBLY SERVICE KIT
6. 0027439SK CONTROL PANEL ASSEMBLY SERVICE KIT
7. 0027426 DOOR GASKET
8. 0023057SK BOTTOM FOOT SERVICE KIT
9. 0022667 STRAIN RELIEF
10. 0022666 POWER CORD
11. 0027391 TEMPERATURE SENSOR
12. 0022662 FAN BLADE
13. 0022663 HEATING ELEMENT
14. 0027192 HI-LIMIT THERMOSTAT
15. 0022687 BLOWER MOTOR
* 0022693 500 COUNT PARCHMENT PAPER 620/621
* 0022694 1000 COUNT PARCHMENT PAPER 620/621
* 0022840CR COOLING RACK
* 00620PS3 3 COOKIE PANS BOXED SET 620/621
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
REV: 1/31/18
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MODEL 621 EXPLODED VIEW
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4
6
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5
1
MODEL 621 WIRING DIAGRAM
Rev. Date: 10/30/2018
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P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
MODEL 621: TROUBLESHOOTING
LIMITED WARRANTY/
RETURN POLICY
1 YEAR REPLACEMENT/EXCHANGE
Wisco Industries, Inc. warrants its equipment against defects in materials and workmanship subject to the following conditions:
Should any product fail to function in its intended manner under normal use within the limits defined in this warranty, Wisco Industries will determine if the item is to
be repaired or replaced by Wisco Industries. Failure to follow authorizing instructions may void any claim and/or warranty.
* Contact Wisco Industries for repair/replacement by calling (608) 835-3106 or toll free (800) 999-4726.
You can also email us at: contact@wiscoind.com
* An authorizing RMA# must be obtained through Wisco Industries BEFORE any warranty issues can be resolved. Failure to do so in advance may void the warranty/
claim resulting in Wisco Industries not being responsible for any incurred expenses and/or charges.
* At time of call Wisco Industries will assist you in:
- getting your unit replaced/exchanged
- and/or obtaining repair parts
- and/or authorizing a service agent
This warranty covers products shipped into the 48 contiguous Unites States, Hawaii and metropolitan areas of Alaska only. Warranty for international or areas not listed
above will consist of replacement of parts only. There will be no labor coverage and parts must be shipped to an address within the 48 contiguous United States, Hawaii
or metropolitan areas of Alaska only.
Time Period
One year from date of shipment from our manufacturing facility. Parts replaced under this warranty are warranted for the un-expired portion of the original product
warranty only.
Exclusions
The following conditions are not covered by warranty:
- Equipment failure relating to improper installation and improper utility connection or supply.
- Equipment that has not been properly maintained or damage from improper cleaning and/or water damage to controls.
- Equipment that has not been used for its intended purpose or has been subject to misuse or misapplication, neglect,
abuse, accident, alteration, negligence, damage during subsequent transit, delivery or installation, fire, flood, riot or act of god.
- Equipment that has the model number or serial number removed or altered.
WISCO INDUSTRIES, INC. DISCLAIMS AND EXCLUDES ANY AND ALL OTHER EXPRESS OR IMPLIED WARRANTIES, INCLUDING WITHOUT
LIMITATION, ANY AND ALL WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Buyer agrees that its SOLE AND EXCLUSIVE REMEDY against Wisco and Wisco’s SOLE AND EXCLUSIVE LIABILITY arising out of any defect or
nonconformity in the product shall be replacement/exchange of such nonconforming countertop food service equipment at Wisco’s expense. No countertop food service
equipment shall be returned without Wisco’s consent. IT IS AGREED THAT WISCO’S MAXIMUM LIABILITY SHALL NOT IN ANY CASE EXCEED THE SALE
PRICE FOR THE COUNTERTOP EQUIPMENT CLAIMED TO BE DEFECTIVE OR NONCONFORMING.
Without limiting the generality of the foregoing, SUCH WARRANTIES DO NOT COVER: Glass, plastic enclosures/panels, door assemblies, hardware, light bulbs &
wire pizza oven heating elements.
SHIPPING DAMAGE
If the outside packaging of your order is visibly dented, crushed, torn or otherwise significantly damaged, or if you move the carton and you hear broken glass, please
reject the shipment while driver is still with you if possible. Please call us at (800)999-4726 or email contact@wiscoind.com to notify us of the issue. We will confirm
the damage with the carrier and re-ship your order immediately.
RETURN POLICY
You may return any unused, undamaged items within 30 days of receipt at your expense. We will issue a refund in the form of your original payment, less a 20% restock fee. Wisco Industries will not reimburse any shipping and handling fees. All returns must be received in resalable condition. Wisco Industries will not accept a
return with shipping damage.
If you would like to return an item please call us at 608-835-3106 or toll free at 1-800-999-4726 and ask for our Food Service Equipment Division or you may send an
email to us at: contact@wiscoind.com You will be given a return # and return instructions. We can not accept returns without a return #. Please be sure to include a
copy of the packing list with the return.
P.O. Box 10 • Oregon, WI 53575 • Ph: 608.835.3106 • Fx: 608.835.7399 • wiscoind.com • wiscomade.com
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