Desa 40,000 Owner's Manual

H.s.i. series portable forced air heaters heater sizes: 40,000 55,000 60,000 70,000 110,000 115,000, 150,000 155,000 165,000 and 200,000 btu/hr models

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Owner's manual (14 pages)

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Heater Sizes: 40,000 55,000 60,000 70,000 110,000 115,000

150,000 155,000 165,000 and 200,000 Btu/Hr 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.

SAFETY INFORMATION ............................................................ 2

PRODUCT IDENTIFICATION ..................................................... 3

UNPACKING ............................................................................... 3

THEORY OF OPERATION ......................................................... 4

FUELS ......................................................................................... 4

VENTILATION ............................................................................. 4

ASSEMBLY ................................................................................. 5

OPERATION ............................................................................... 5

OPERATION WITH PORTABLE GENERATOR .......................... 6

PREVENTATIVE MAINTENANCE SCHEDULE ......................... 6

STORING, TRANSPORTING, OR SHIPPING ............................ 6

Fill In For Your Records

Model No. ___________________

(Located on side panel)

Serial No. ___________________

(Located on fuel tank)

Date of Purchase: ______________

H.S.I. Series

Save this manual for future reference.

PORTABLE FORCED

AIR HEATERS

OWNER'S MANUAL

TROUBLESHOOTING ................................................................ 7

SERVICE PROCEDURES .......................................................... 8

TECHNICAL SERVICE ............................................................. 15

REPLACEMENT PARTS .......................................................... 15

SPECIFICATIONS .................................................................... 16

WIRING DIAGRAMS ................................................................. 16

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ....... 18

WHEELS AND HANDLES ........................................................ 24

ACCESSORIES ........................................................................ 25

WARRANTY AND REPAIR SERVICE ...................................... 26

Table of Contents

Summary of Contents for Desa 40,000

Page 1: Table Of Contents
OWNER’S MANUAL For more information, visit www.desatech.com For more information, visit www.desatech.com Heater Sizes: 40,000 55,000 60,000 70,000 110,000 115,000 150,000 155,000 165,000 and 200,000 Btu/Hr Models H.S.I. Series IMPORTANT: Read and understand this manual before assembling, starting or servicing heater.
Page 2: Safety Information
SAFETY INFORMATION SAFETY INFORMATION WARNINGS • Heater must be grounded. Use only a properly grounded three- IMPORTANT: Read this owner’s manual carefully and wire extension cord. Plug into grounded outlet only. completely before trying to assemble, operate, or ser- • Use only in areas free of ﬂammable vapors or high dust content.
Page 3: Product Identification
PRODUCT IDENTIFICATION UNPACKING PRODUCT IDENTIFICATION Thermostat Knob Handle Hot Air (Thermostat Models Only) Upper Shell Thermostat Knob Outlet Hot Air (Thermostat Models Only) Fan Guard Outlet Upper Shell Fan Guard Lower Lower Shell Shell Air Filter Fuel Tank Cover Side Cover Fuel Tank Ignition Control Fuel Cap...
Page 4: Theory Of Operation
THEORY OF OPERATION FUELS VENTILATION THEORY OF OPERATION The Ignition System: The ignition control assembly provides The air pump forces air through the air line. The air The Fuel System: power to the ignitor. This ignites the fuel/air mixture in the combus- is then pushed through the nozzle.
Page 5: Assembly
ASSEMBLY OPERATION ASSEMBLY OPERATION (FOR 110/115/150/155/165/200 MODELS IMPORTANT: Review and understand the warnings in the Safety Information section, page 2. They are ONLY) needed to safely operate this heater. Follow all local These models are furnished with wheels and a rear handle. Some ordinances and codes when using this heater.
Page 6: Operation With Portable Generator
OPERATION WITH PORTABLE GENERATOR STORING, TRANSPORTING, OR SHIPPING PREVENTATIVE MAINTENANCE SCHEDULE OPERATION WITH PORTABLE STORING, TRANSPORTING, GENERATOR OR SHIPPING Note: If shipping, transport companies require fuel tanks to be empty. WARNING: Before operating heater or any appli- 1. Drain fuel tank. ance from a portable generator, verify that generator Note: Some models have drain plug on underside of fuel tank.
Page 7: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. FAULT CONDITION POSSIBLE CAUSE REMEDY Motor does not start five seconds after 1. No power to heater 1. Check circuit breaker in electrical panel heater is plugged in 2.
Page 8: Service Procedures
SERVICE PROCEDURES SERVICE PROCEDURES Setscrew WARNING: To avoid risk of burn and electrical Motor shock, never attempt to service heater while it is Setscrew plugged in, operating, or hot. UPPER SHELL REMOVAL Flush 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.
Page 9: Pump Pressure Adjustment
SERVICE PROCEDURES SERVICE PROCEDURES Continued PUMP PRESSURE ADJUSTMENT Fuel Filter and Bushing Remove pressure gauge plug from filter end cover (see Figure 13). Install accessory pressure gauge (part number HA1180). Upper Fuel Line Start heater (see Operation, page 5). Allow motor to reach full speed.
Page 10 SERVICE PROCEDURES SERVICE PROCEDURES Continued (For 200 Model Only) FUEL VALVE (For 200 Model Only) Remove side cover screws using 5/16" nut-driver. 1. Remove side cover (see Figure 17), fan guard, and upper Remove side cover (see Figure 17). shell (see Figure 8, page 8) screws using 5/16" nut-driver. Pull lower fuel line off the fuel valve fitting (see Figure 17).
Page 11 SERVICE PROCEDURES SERVICE PROCEDURES Continued IGNITOR Remove upper shell and fan guard (See Upper Shell Removal, 8. Carefully remove replacement ignitor from styrofoam packing. page 8). 9. Carefully guide ignitor into opening in nozzle adapter bracket. Remove fan (see page 8). Do not strike ignitor element.
Page 12 SERVICE PROCEDURES SERVICE PROCEDURES Continued NOZZLE ASSEMBLY 10. Attach nozzle assembly to burner strap (see Figure 24). 11. Attach fuel and airline hoses to nozzle assembly. See Fuel and (For 40/55/60/70/110/115/150/155/165 Models Only) Airline Replacement and Proper Routing, page 13. Remove upper shell (see Upper Shell Removal, page 8).
Page 13 SERVICE PROCEDURES SERVICE PROCEDURES Continued (For 200 Model Only) FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING Remove combustion chamber and ignitor by following steps 1 through 7 under Ignitor, page 11. Remove upper shell (see Upper Shell Removal, page 8). Carefully place the ignitor in a safe location.
Page 14: Pump Rotor
SERVICE PROCEDURES SERVICE PROCEDURES Continued PUMP ROTOR Blade (Procedure if Rotor is Binding) Pump Plate Remove upper shell (see Upper Shell Removal, page 8). Remove filter end cover screws using 5/16" nut driver (see Fig- Air Intake Filter ure 29 or 30). Filter End Remove ﬁlter end cover and air ﬁlters.
Page 15: Technical Service
SERVICE PROCEDURES TECHNICAL SERVICE REPLACEMENT PARTS SERVICE PROCEDURES TECHNICAL SERVICE Continued You may have further questions about installation, operation, or troubleshooting. IGNITION CONTROL ASSEMBLY If so, contact DESA International’s Technical Service Department at 1-866-672-6040. WARNING: High voltage! You can also visit DESA International’s technical services web site Unplug heater.
Page 16: Specifications
SPECIFICATIONS WIRING DIAGRAMS SPECIFICATIONS Model Size 55/60 110/115 150/155 Output Rating (Btu/Hr) 40,000 55,000 70,000 110,000 150,000 165,000 200,000 and 60,000 and 115,000 and 155,000 Fuel Use only kerosene, #1/#2 diesel/fuel oil, JET A or JP-8 fuels* Fuel Tank Capacity (U.S.
Page 17 WIRING DIAGRAMS (Cont.) WIRING DIAGRAMS Continued Blue Photocell Photocell Blue Photocell Ignitor White Solenoid Motor Return Valve White White White AC Neutral (L2) Green Green Motor AC Hot (L1) Thermostat Motor Ignitor Ignitor Yellow Figure 35 - Wiring Diagram with Thermostat for 200 Model Blue Photocell Photocell...
Page 18: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN 40/55/60/70 Models ILLUSTRATED PARTS BREAKDOWN 40/55/60/70 MODELS Standard Thermostat Models Models R40T REM40 R55BT R55B B55BT R70DT REM60 B70DT RM60 12-1 12-2 12-3 12-4 12-6 12-18 12-17 12-7 12-16 12-8 12-5 12-9 12-15 12-13 12-14 12-10 Motor and Pump Assembly 12-19 12-12 12-11...
Page 19: Parts List
PARTS LIST 40/55/60/70 Models 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 number and description of the desired part. 40/55/60/70 MODELS PART PART...
Page 20 ILLUSTRATED PARTS BREAKDOWN 110/115/150/155/165 Models ILLUSTRATED PARTS BREAKDOWN 110/115/150/155/165 MODELS Standard Thermostat Models Models R110B R110BT R115 B110BT REM115 SB115T RM115 SB150JT REM150E B155T REM155B R165AT RM155 R155B 10-1 10-2 10-3 10-4 10-5 10-6 10-17 10-7 10-16 10-8 10-15 10-9 10-13 10-10 10-14...
Page 21 PARTS LIST 110/115/150/155/165 Model 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 number and description of the desired part. 110/115/150/155/165 MODELS PART PART...
Page 22 ILLUSTRATED PARTS BREAKDOWN 200 Models ILLUSTRATED PARTS BREAKDOWN 200 MODELS Standard Thermostat Models Models R200A R200AT RM200AT B200AT REM200AT 7-10 Nozzle Assembly 7-11 10-1 10-2 10-3 10-5 10-4 10-6 10-17 10-7 39-1 10-8 39-4 10-16 39-6 39-5 10-15 10-9 10-18 10-14 10-10 39-7 10-13...
Page 23 PARTS LIST 200 Models PARTS LIST 200 MODELS PART PART NUMBER DESCRIPTION QTY. NUMBER DESCRIPTION QTY. 107353-10 Upper Shell (Service Part 097785-04 Foam Gasket Will Be Black) 104068-02 Ignition Control Assembly 100647-01 Screw, #10-16 x 1/2" NTC-4C Hex Lock Nut, 1/4-20 098512-69 Combustion Chamber 102756-01...
Page 24: Wheels And Handles
WHEELS AND HANDLES 110/115/150/155/165/200 Models WHEELS AND HANDLES WHEELS AND HANDLE PARTS LIST PART PART NUMBER DESCRIPTION QTY. HA2203 Handle (110/115) 2 (If Equipped) HA2204 Handle (150/155/165/200) 2 (If Equipped) M12345-33 Screw, #10-24 x 1 " 6 or 8 M12342-3 Wheel Support Frame (110/115) M12831-3 Wheel Support Frame (150/155/165/200)
Page 25: Accessories
ACCESSORIES 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 dealer or DESA International at 1-800-458-2472 for referral information. Parts Centrals are listed in the Authorized Service Center booklet supplied with heater.
Page 26: Warranty And Repair Service
WARRANTY AND REPAIR SERVICE LIMITED WARRANTY DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for one (1) year 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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Desa 40,000 Owner's Manual

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