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Sunheat SH1500RC BB, Repair Manual, Page: 20 / 25

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Sunheat SH1500RC BB Repair Manual Download Page 20

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Summary of Contents for SH1500RC BB

Page 1: ...ay screen A How To Remove The Center Unit From Wooden Cabinet B How To Replace The Front Display Screen C How To Replace The Power Cord D How To Replace The High Limit Switch E How To Replace The Temp...

Page 2: ...icing Remember That the Edges of the Metal Are Sharp Use Caution Remove the front display screen by pushing up and pulling out on the bottom Unplug the black quick connect NOTE When putting the displa...

Page 3: ...and remove the outer corner screws on each caster mounting bracket These screws will be about 1 inches long SEE PHOTO BELOW FOR SCREW LOCATIONS After removing all of the anchor screws the center unit...

Page 4: ...Remember That the Edges of the Metal Are Sharp Use Caution Remove the front display screen by pushing up and pulling out on the bottom Unplug the black quick connect NOTE When putting the display scr...

Page 5: ...are 3 located on the top panel and 3 on the bottom portion of the back panel SEE PHOTO BELOW FOR SCREW LOCATION PANEL IDENTIFICATION Remove the power cord retaining grommet using a pair of pliers Squ...

Page 6: ...er cord and directly attach the two wires to the circuit board Reattach the green ground wire NOTE The two black wires to power cord are universal so it doesn t matter which goes to which location Clo...

Page 7: ...inside of the copper exchangers 1 long heating element and the circulation fan Fan will be to your right The High Limit Switch is a thin black wire with a metal end To replace the High Limit Switch y...

Page 8: ...icing Remember That The Edges Of The Metal Are Sharp Use Caution Remove 3 screws from each panel to remove the back panel There are 3 screws on the top bottom and each side panel There will be 12 scre...

Page 9: ...sor cover 2 Sticking out from a hole in the back panel 3 Sticking out the side of the back panel Unplug the Temperature Sensor from the SP2 ROOM terminal on the circuit board Remove the faulty sensor...

Page 10: ...heat tubes suspended inside of the copper exchangers 1 long heating element and the circulation fan Fan will be to your right The Fan Switch is a black oval shaped switch To replace the Fan Switch you...

Page 11: ...cing Remember That the Edges of the Metal Are Sharp Use Caution Remove 3 screws from each panel to remove the back panel There are 3 screws on top bottom and each side panel There will be 12 screws to...

Page 12: ...you place the 2 wires on the reset button correctly LINE goes to ACL on circuit board LOAD goes to F or Fuse on circuit board This screws the reset button in place on the outside of the back panel Thi...

Page 13: ...hese two lamps together Then from the left side The side with the copper ovens find the wires that belong to the heat tubes that are not working and unscrew the wing nuts Remove the screws that hold t...

Page 14: ...harp Use Caution You may have to remove the baffle to gain enough clearance to change the long heat tube in the front Support bracket Heating Element Wing Nuts This picture shows the wiring connection...

Page 15: ...the Power Routing Board Refer to wiring diagram Unplug the fan power wires from the PRB Use a pair of pliers to hold the locknut and a 2 Phillips screwdriver to loosen the anchor screws that hold the...

Page 16: ...BOARD PLEASE REFER TO INSTRUCTIONS ON HOW TO ELIMINATE THE QUICK CONNECTS IF YOU HAVE THEM Remove both left right access panels from the metal center unit along with the rear panel You will need a 5...

Page 17: ...nect it to the appropriate location on the new board Rerun Display Wire through to the front of unit If you disconnect all wires at once please refer to wiring diagram for wire location Display wire r...

Page 18: ...nuts that hold the PRB in place Remove the wires from the original wire anchor blocks one at a time install into the wire block anchors on the new PRB Note Keep wires attached to old board Use a 1 8t...

Page 19: ...L Wiring Diagram THERE ARE 3 DIFFERENT WIRING CONFIGURATIONS FOR THIS MODEL PLEASE FIND THE DIAGRAM THAT MATCHES YOUR HEATER A...

Page 20: ...A CONTINUED...

Page 21: ...B...

Page 22: ...B CONTINUED...

Page 23: ...If diagram of B doesn t match your board Use this B diagram...

Page 24: ...C...

Page 25: ...C CONTINUED...

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