Desa RCLP50 Owner'S Manual Download Page 14

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100585

Black

Green

White

Green

Terminal

Board

White
White

Blue

Thermal

Switch

8
6

4
2

7
5

3
1

Relay

Red

Gas

Valve

Piezo

Ignitor

Electrode

CONNECTION DIAGRAM

Blue

R l

White

Red

Thermal

Motor

(To Thermocouple)

Thermo-

couple

Blue

SPECIFICATIONS

Output Rating (BTU/Hr)

49,500

Fuel

Propane Vapor Only

Fuel Consumption

Gallons/Hour

0.5

Pounds/Hour

2.3

Supply Pressure To Regulator

Minimum (for purposes

10 psi

of input adjustment)

Maximum

Tank Pressure or 200 psi

Regulator Outlet Pressure

18" WC

Manifold Pressure

16" WC

Hot Air Output
(CFM Approx)

275

Motor

3300 RPM

Electric Input

120 volt/60 hertz

Amperage

Ignition

Manual, Piezo

Weight (Pounds)

Heater

15.5

Shipping

Size - L x W x H (Inches)

Heater

18.5 x 7.7 x 12.8

Temperature Range for Heater Operation

-20

F to 85

* When running heater in temperatures above 85

F, high internal temperatures

may cause thermal limit device to shut down heater.

WIRING

DIAGRAMS

Figure 14 - Connection Diagram

Motor

Blue

Relay

White

Red

Thermal

Switch

Black

White

Green

(To Thermocouple)

Line

Ground

Neutral

Black

White

Blue

Figure 15 - Electrical Ladder Diagram

Summary of Contents for RCLP50

Page 1: ...ON CARBON MONOXIDE POISONING AND OR ELECTRICAL SHOCK ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS MANUAL LABELS ETC CONTACT THE MANUFACTURER Heater Size 50 000 BTU Hr IMPORTANT Read and understand this manual before assembling starting or servicing heater Improper use of heater can...

Page 2: ...E USE The heater is designed for use as a construction heater in accordance with ANSI Z83 7 CGA2 14 Otherstandardsgoverntheuseoffuelgasesandheatingproducts for specific uses Your local authority can advise you about these The primary purpose of construction heaters is to provide temporary heating of buildings under construction alteration or repair Properly used the heater provides safe economi ca...

Page 3: ...ifornia as a reproductive toxin under Proposition 65 For indoor use only Do not use heater outdoors Do not use heater in occupied dwellings or in living or sleeping quarters Do not use heater below ground level Propane gas is heavier than air If a leak occurs propane gas will sink to the lowest possible level Keep appliance area clear and free from combustible materials gasoline paint thinner and ...

Page 4: ...o Ignitor Button Automatic Control Valve Button UNPACKING 1 Remove all packing items applied to heater for shipment Keep plastic cover caps attached to inlet connector and hose regulator assembly for storage 2 Remove all items from carton 3 Check all items for shipping damage If heater is damaged promptly inform dealer where you bought heater Motor Heater Base ...

Page 5: ...his heater only with a propane vapor withdrawal supply system See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas ANSI NFPA 58 and or CAN CGA B149 2 Your local library or fire department will have this booklet The amount of propane gas ready for use from propane tanks varies Two factors decide this amount 1 The amount of propane gas in tank s 2 The temperature of tank...

Page 6: ...ropane Supply Valve Regulator Hose POL Fitting Figure 3 Regulator Position 1 Provide propane supply system see Propane Supply page 5 2 Connect POL fitting on hose regulator assembly to propane tank s Turn POL fitting counterclockwise into threads on tank Tighten firmly using wrench IMPORTANT Position regulator so that hose leaving the regulator is in a horizontal position see Figure 3 This places ...

Page 7: ...poisoning can occur Provide proper fresh outside air ventilation before running heater WARNING Never use an open flame to check for a leak Apply a mix ture of liquid soap and water to all joints Bubbles forming show a leak that must be corrected Correct all leaks at once 4 Plug extension cord into a 120 volt 60 hertz 3 hole grounded outlet Motor will start Fan will turn forcing air out front of he...

Page 8: ... supply hose 3 Unplug heater To Restart Heater 1 Wait five minutes after stopping heater 2 Repeat steps under To Start Heater page 7 6 Push in and hold automatic control valve button see Figure 5 Push piezo ignitor button see Figure 5 You may need to push piezo ignitor button 3 8 times until the burner lights When burner lights keep automatic control valve button pushed in Release button after 30 ...

Page 9: ...in connected to propane supply operating or hot Severe burns and electrical shock can occur Keep heater clear and free from combustible materials gasoline and other flammable vapors and liquids Do not block the flow of combustion or ventilation air 1 Keep heater clean Clean heater annually or as needed to remove dust and debris If heater is dirty or dusty clean heater with a damp cloth Use house h...

Page 10: ...e fan See Fan page 12 Clean heater See Mainte nance page 9 WARNING Use only in areas free of high dust content No electrical power to heater Fan hitting inside of heater shell Fan blades bent Defective motor User did not follow instal lation or operation in structions properly No spark at ignitor To test for spark follow step 9 under Ignitor page 13 If you see spark at ignitor have heater serviced...

Page 11: ... Use pliers to remove the fan nut from front of motor shaft see Figure 8 7 Remove fan Be careful not to damage the fan blade pitch 8 Use nut driver to remove three nuts that attach fan guard to motor Remove fan guard from motor see Figure 9 9 Discard old motor WARNING Never service heater while it is plugged in connected to propane supply operating or hot Severe burns and elec trical shock can occ...

Page 12: ... in bottom of base Connect green motor wire and green power cord wire to heater shell using ground nut see Figure 6 page 11 15 Attach black and white wires to empty connectors on black and white wire sides of terminal board 16 Attach wire guard to shell with two screws see Figure 6 page 11 Motor Continued Figure 10 Replacing Motor and Fan Guard into Heater Hole in Shell for Motor Wires Fan 1 Remov...

Page 13: ...er shell Attach ignitor wire to piezo ignitor 7 Set gap between ignitor electrode and target plate to 17 see Figure 13 8 Test for spark WARNING Make sure heater is disconnected from propane supply Heater could ignite causing severe burns Push piezo ignitor button and watch for spark between ignitor electrode and target plate 9 Place motor and fan guard into rear of heater shell see Motor page 12 s...

Page 14: ...ank Pressure or 200 psi Regulator Outlet Pressure 18 WC Manifold Pressure 16 WC Hot Air Output CFM Approx 275 Motor 3300 RPM Electric Input 120 volt 60 hertz Amperage 2 Ignition Manual Piezo Weight Pounds Heater 15 5 Shipping 17 Size L x W x H Inches Heater 18 5 x 7 7 x 12 8 Temperature Range for Heater Operation 20 F to 85 F When running heater in temperatures above 85 F high internal temperature...

Page 15: ...e accessories and parts from your nearest dealer or service center If they can not supply an accessory or part either contact your nearest Parts Central listed in the separate Authorized Service Center booklet or contact DESA International for referral information DESA International P O Box 90004 Bowling Green KY 42102 9004 1 800 972 7879 Parts Department Part Number Description LPA1020 10 Rubber ...

Page 16: ...maintenance is the responsibility of the owner THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE DESA International assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages ...

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