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Table of Contents
Summary of Contents for Sun Heat SH42
- Page 1 PROPANE CONSTRUCTION HEATERS OWNER’S MANUAL SH42 and SH68 Models IMPORTANT Read and understand this manual before assembling, starting, or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference. 0063 / 92...
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Page 2: Table Of Contents
Ventilation ..................8 Operation ..................9 Storage ................... 10 Maintenance .................. 10 Service Procedure ................11 Cleaning Fan (SH42 Model) ........... 11 Cleaning Fan (SH68 Model) ........... 12 Ignitor ..................14 If a Gas Leak Occurs ............... 14 Specifications ................15 Wiring Diagram ................ -
Page 3: Unpacking
One opening should be near the floor, the other opening near the ceiling. Each ventilation opening minimum size is as follows: SH42 model: 550 cm SH68 model: 875 cm • Never use heater where gasoline, paint thinner, or other highly flammable vapors are present. -
Page 4: Product Identification
(Front) Handle Fan Guard Lower Shell Power Cord Side Cover On/Off Switch Lamp Inlet Connector Hose /Regulator Assembly Figure 1 - SH42 Model Hot Air Outlet (Front) Handle Guard Outer Shell Side Cover On/Off Switch Power Cord Inlet Connector Lamp... -
Page 5: Theory Of Operation
The Fuel System: The hose/regulator assembly attaches to the propane gas THEORY OF supply. The propane gas moves through the solenoid valves and out the nozzle. OPERATION The Air System: The motor turns the fan. The fan pushes air into and around the combustion chamber. -
Page 6: Attaching Power Cord
ATTACHING Follow the instructions below to attach power cord to heater. 1. Remove heater side cover. POWER CORD 2. Locate the strain relief bushing for the power cord on the heater base (see Figure 3. Unscrew outer nut of strain relief bushing (see Figure 4). Only loosen this nut. Do not remove it. -
Page 7: Installation
Adjustment Tank Knob (pointing down) Figure 5 - Regulator With Adjustment Knob Pointing Down 3. Connect hose to inlet connector. Tighten firmly using a wrench. SH42 Model Shown Hose Inlet Connector Figure 6 - Hose and Inlet Connector Continued 100684... -
Page 8: Ventilation
Provide two fresh, outside air openings for ventilation. One opening should be near the floor, the other opening near the ceiling. Each ventilation opening minimum size is as follows: SH42 Model: 550 cm SH68 Model: 875 cm 100684... -
Page 9: Operation
OPERATION WARNING Review and understand the warnings in the Safety Information Section, pages 2 and 3. They are needed to safely operate this heater. Follow all local codes when using this heater. To Start Heater 1. Follow all installation, ventilation and safety information. 2. -
Page 10: Storage
STORAGE CAUTION Disconnect heater from propane supply tank(s). 1. Store propane tank(s) in safe manner. 2. Place packing items on the heater and hose/regulator assembly. Place heater and hose/regulator assembly into heater carton. 3. Store in dry, clean, and safe place. Do not store hose/regulator assembly inside heater combustion chamber. -
Page 11: Service Procedure
2. Lift or slide upper shell off. 3. Remove fan guard. Figure 8 - Upper Shell Removal, SH42 Model 4. Use 1/8" Allen wrench to loosen setscrew which holds fan to motor shaft (see Figure 9). 5. Slip fan off motor shaft. -
Page 12: Cleaning Fan (Sh68 Model)
Cleaning Fan SERVICE SH68 Model PROCEDURE Clean fan every 500 hours of operation or as needed. 1. Remove screws on side cover using 5/16" nut-driver. Continued 2. Remove side cover. 3. Detach the four motor wires from parts under heater shell (see Figure 11). Be sure to detach only wires coming from motor. - Page 13 7. Carefully pull motor and fan out of shell. IMPORTANT: Be careful not to SERVICE damage fan. Do not set motor and fan down with the weight resting on fan. This PROCEDURE could damage fan pitch. 8. Turn motor and fan around. Place motor and fan into shell backwards. Note: Continued Motor will go into shell first (see Figure 13).
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Page 14: Ignitor
17. Remove two nuts and bolts securing motor mount to shell. SERVICE 18. Pull motor and fan from shell. Turn motor and fan around. Carefully place back PROCEDURE in shell. Note: Fan will go into shell first. 19. Line up mounting holes in shell with holes on motor mount. Replace four bolts Continued through shell and motor mount. -
Page 15: Specifications
SPECIFICATIONS Model SH42 SH68 Electrical Input 220/240 volt, 50 hertz, 220/240 volt, 50 hertz, 200 watts IP20 200 watts IP20 Maximum Input, net 44 KW at 1.34 bar 70 KW at 1.34 bar Minimum Input, net 20 KW at .34 bar 31 KW at .34 bar... -
Page 16: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN SH42 Model 100684... - Page 17 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part SH42 Model number and description of the desired part. PART...
- Page 18 ILLUSTRATED PARTS BREAKDOWN SH68 Model 46 47 100684...
- Page 19 Operation Decal 100301-02 Valve Bracket 100372-01 Lamp Decal 097803-01 Solenoid Valve 100168-01 Wiring Diagram Decal 097153-02 Pipe Nipple 097953-02 Regulator/Hose Assembly M12461-25 Screw, #10-32 x 1/4" SH42 Blue Model Centrifugal Motor Green Switch Only Solenoid Solenoid Yellow Yellow Green Valve Valve...
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Page 20: Warranty And Repair Service
WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY LIMITED WARRANTY DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for six (6) months from the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided.
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