Wolf CW24, Service Manual

Page 1: ...General Information 2 Controls Operation 4 Component Access Removal 8 Troubleshooting Guide 13 Technical Data 16 Wiring Diagrams 17 subzero com 800 222 7820 CW24 Cup Warming Drawer Service Manual ...

Page 2: ... Certified Service Personnel only Wolf Appliance Inc assumes no responsibility for any repairs made to Wolf appliances by anyone other than Certified Service Technicians INDICATES THAT HAZARDOUS OR UNSAFE PRACTICES COULD RESULT IN SEVERE PERSON AL INJURY OR DEATH Indicates that hazardous or unsafe practices could result in minor personal injury or product and or property damage In addition please ...

Page 3: ...ar Limited Parts Only Warranty applies to the heating element and the user interface Special Warranty Summary 2 Year Total Product Warranty Part and Labor Details This Warranty applies to products installed in United States or Canada for use in a demonstration kitchen test kitchen culinary school kitchen and similar installations that will help promote Wolf Appliance brand and its products Warrant...

Page 4: ...figuration CW Cup Warming Drawer Size 24 24 inch wide unit Finish S Classic Stainless Steel B Black Glass Two finishes Classic Stainless Steel Black Glass Hidden electronic touch controls 420 watt heating element with temperature control range of 85 F to 175 F Automatic shut off Delayed Start Push pull drawer opening Full extension ball bearing drawer glides Removable non slip drawer liner Sabbath...

Page 5: ...d close switches User Interface Buttons See Figure 2 1 ON MENU Button Turns unit on Cycles user interface between menu options TEMP TIMER and DELAY START Used with MORE button to enter Sabbath mode Used with LESS OFF button to exit Sabbath mode LESS OFF Button Decreases TEMP TIMER and DELAY START settings Depressed for three seconds turns the CW24 off Used with ON MENU button to exit Sabbath mode ...

Page 6: ...r is programmable from 1 minute to 4 hours Timer increases and decreases by different increments From 1 minute to 15 minutes changes by one minute intervals From 15 minutes to 1 hour changes by five minute intervals From 1 hour to 4 hours by ten minute intervals Delay Start Delay Start is programmable from 1 minute to 9 hours 50 minutes Delay Start increases and decreases by different increments F...

Page 7: ...unit with DELAY START Press ON MENU TEMP and 85 F flashes on the 1 display See Figure 2 2 Press the MORE button to increase the tempera 2 ture NOTE The display flashes three times then shut off if no other button is pressed Press ON MENU when desired temperature is set 3 TIMER and 0h00 flashes on the display See Figure 4 2 3 Press LESS OFF or MORE button to set the amount 5 of time the unit is to ...

Page 8: ...off 2 Fan runs for 60 seconds then shut off 3 Entering Sabbath Mode Press and hold the ON MENU button and the 1 MORE button together for 3 seconds Heater comes on High 175 and remain on indefi 2 nitely Display shows SAb See Figure 2 5 3 NOTE Loss of power causes the Cup Warming Drawer to exit Sabbath Mode Exiting Sabbath Mode Press and hold the ON MENU button and the 1 LESS OFF button together for...

Page 9: ...F IT IS NECESSARY TO REMOVE A WARMING DRAWER UNIT FROM ITS INSTALLATION REMEMBER THAT THEY ARE HEAVY AND COULD FALL RESULTING IN SERIOUS INJURY PULLING A UNIT FROM ITS INSTALLATION SHOULD ONLY BE PERFORMED BY A TRAINED AUTHORIZED SERVICE TECHNICIAN OR INSTALLER TO AVOID ELECTRIC SHOCK POWER TO A WARMING DRAWER UNIT MUST BE DISCONNECTED WHENEVER ACCESSING AND OR REMOVING COMPONENTS POWERED BY ELECT...

Page 10: ...mbly forward and lift from the slides Right and Left Slides The right slide includes the Push To Open PTO assembly To remove either slide first remove the tray and cover assembly then See Figure 3 2 1 Remove the unit from the installation 2 Use a T 20 to extract the four screws on the lower side of the cup warming drawer on the side of the slide to be removed 3 Remove the slide Exhaust Fan User In...

Page 11: ...s on the back of the user face at the top while pushing the user interface out of the exhaust fan cover 2 Use a flat bladed screw driver to depress the two tabs on the back of the user face at the bottom while pushing the user interface out of the exhaust fan cover 3 Remove the user interface Exhaust Fan and Heater To remove the exhaust fan and heater first remove the exhaust fan cover and user in...

Page 12: ... the six screws going into the drawer back and the left and right bracket See Figure 3 7 2 Remove the drawer back 3 Use a T 20 to extract the four screws attaching the front cover to the bottom of the tray See Figure 3 8 4 Use a T 20 to extract the four screws attaching the front of the tray to the front cover See Figure 3 9 5 Seperate the front cover and tray Figure 3 9 Screws Tray Front to Front...

Page 13: ...to extract the two screws from the trim piece 2 Rotate the back of the trim piece forward 3 Slide the trim down the support tab and off the unit Cavity Cover To remove the cavity cover first remove the cavity top then See Figure 3 12 1 Use a drill to drill out the seven M3 x 5 mm pop riv ets on each side of the unit 2 Pull the cavity cover forward out of the unit NOTE Order new pop rivets from the...

Page 14: ...EMOVING A CUP WARMING DRAWER FROM ITS INSTALLATION FOR TROUBLESHOOTING PUR POSES REMEMBER THAT THE UNIT IS HEAVY AND COULD TIP AND OR FALL WHEN PULLED FOR WARD RESULTING IN SERIOUS INJURY OR DEATH TO AVOID ELECTRIC SHOCK POWER TO THE UNIT MUST BE DISCONNECTED WHENEVER ACCESS ING AND OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER ELECTRICAL COMPONENTS IF THE UNIT IS PLUGGED ...

Page 15: ...ood ground from the unit to a 2 separate ground terminal on a different receptacle Repair or replace wiring damage 3 Check power receptacle for proper voltage 1 Confirm Ground is good 2 Ensure circuit is dedicated 3 Inform consumer of electrical supply issue 4 Switch unit ON and confirm temperature is 1 being set on the user interface Replace user interface 2 Measure resistance on J6 harness from ...

Page 16: ...d the 1 drawer and close completely to realign Drawer is not installed correctly and is bind 2 ing Drawer is not installed correctly and is tilted 3 Correct alignment issue 4 Drawer rails are loose 1 Drawer rails have debris in them 2 Tighten or replace drawer rail 3 Drawer is overloaded Maximum weight is 1 25 pounds Reduce and or redistribute drawer contents 2 Drawer is out of alignment Fully ext...

Page 17: ...equirements 120 VAC Single Phase 60 Hertz Watts 450 Watts rated Amps 5 Amps rated Circuit Requirements 10 amp Dedicated Circuit Temperature Range 85 F to 175 F 10 F intervals Element type Radiant Heater Resistance 33 8 Ohms 10 Fan Motor Resistance 56 2 Ohms 10 Thermal Cut Out TCO 1 Temperature 176 F TCO 2 Temperature 248 F ...

Page 18: ...terface Relay 1 Relay 2 J6 4 Relay 2 J6 4 Relay 1 J6 6 J6 3 User Interface Button User Interface Button White Wires 120 Volts Line In Neutral Ground L1 N Key WIRING DIAGRAM MODEL CW24 This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before begining service Be sure all grounding devices are connected when service is complete...