Desa REM50C инструкция обслуживания

PORT ABLE FORCED AIR HEA TER OWNER’S MANUAL 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. ARL LOGO G 004 ® Models: B50H and REM50C Heater Size: 50,000 Btu/Hr[...]

2 102553 Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Unpacking ..................................................................................... 4 Theory of Operation .................................[...]

3 102553 SAFETY INFORMA TION Continued W ARNINGS (Continued) • Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. • Fueling a) Personnel in v olved with fueling shall be qualified and thoroughly familiar with the manufacturer’ s instr[...]

4 102553 PRODUCT IDENTIFICA TION Figure 2 - Cross Section Operational View Fuel Filter Air Line To Burner Air Output Filter Air Pump Air Intake Filter Cool Air In Fan Combustion Chamber Ignitor Motor Clean Heated Air Out Ignition Control Assembly Figure 1 - 50,000 Btu/Hr Model Handle Fuel Cap Lower Shell Power Cord Fuel Tank Hot Air Outlet Air Filt[...]

5 102553 W ARNING FUELS Use only kerosene or No. 1 fuel oil to avoid risk of fi re or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly fl ammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels will result in: • clogged fuel filter and nozzle • the need of non-toxic anti[...]

6 102553 Item How Often How To Fuel tank Flush every 150-200 hours See Storing, Transporting, or of operation or as needed. Shipping , above. Air output and Replace every 500 hours of See Air Output, Air Intake, lint filters operation or once a year. and Lint Filters, page 8. Air intake Wash and dry with soap and See Air Output, Air Intake, filte[...]

7 102553 TROUBLE- SHOOTING W ARNING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. FAULT CONDITION POSSIBLE CAUSE REMEDY Check circuit breaker in electrical panel. Check all electrical connec- tions. See Wirin g Diagram, page 11. If fan does not turn freely, see Pump Rotor, page 10. Repl[...]

8 102553 SER VICE PROCEDURES W ARNING Upper Shell Removal 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. ! Fan Motor [...]

9 102553 Pump Pressure Adjustment 1. Remove pressure gauge plug from fi lter end cover. 2. Install accessory pressure gauge (part number HA1180). 3. Start heater (see Operation , page 5). Allow motor to reach full speed. 4. Using a flat blade screwdriver, set the pressure to 3.6 PSI. Turn relief valve to right to increase the pressure. Turn relief[...]

10 102553 Nozzle 1. Remove upper shell (see page 8). 2. Remove fan (see page 8). 3. Remove fuel and air line hoses from nozzle assembly. 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove. 5. Place plastic hex-body into vise and lightly tighten. 6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench. [...]

11 102553 (Pump Rotor, continued) 10. Install blades, pump plate, air fi lters, and fi lter end cover. 11. Replace fan guard and upper shell. 12. Adjust pump pressure (see page 9). Note: If rotor is still binding, proceed as follows. 13. Perform steps 1 through 6 (see page 10 ). 14. Place fi ne grade sandpaper (600 grit) on fl at surface. Sand [...]

12 102553 You may have further questions about operation or troubleshooting. If so, contact DESA International ’ s Technical Service Dept. at 1-800-323-5190. TECHNICAL SER VICE Note: Use only original replacement parts. This will protect your warranty cover- age for parts replaced under warranty. Parts Under Warranty Contact authorized dealers of[...]

13 102553 ACCESSORIES Purchase accessories and parts from your nearest dealer or service center. If they can not supply these accessories or parts, either contact your nearest Parts Central or DESA International for referral information. Parts Centrals are listed in the Autho- rized Service Center booklet supplied with heater. DESA International P.[...]

14 102553 ILLUSTRA TED P ARTS BREAKDOWN Motor and Pump Assembly 12-11 12-18 12-17 12-16 12-15 12-14 12-13 12-12 12-10 12-1 12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9-1 9-2 9-3 9-4 9-5 17 18 19 20 21 22 23 24 25 26 27 28 29 30 34 35 36 32 33 31[...]

15 102553 PARTS LIST Models B50H and REM50C 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 number and description of the desired part. ** Not available as an assembly. *** See OPTIONAL ACCESSORIES KEY PART NO. NUMBER DESCRIP[...]

W ARRANTY AND REP AIR SER VICE WARRANTY SERVICE Should your heater require service, return it to your nearest authorized service center. Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workman- ship. If so, DESA International will repair or replace the heater without c[...]