Heat Wagon 2730C Installation And Maintenance Manual Download Page 16

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PROPANE FACTS

LBS Per Gallon

4.24

BTU Per Gallon

91,960

BTU Per LB

21,591

BTU Per Cu Ft

2,516

Cubic feet of air
Required to burn 1 Cu Ft propane

23.5

NATURAL GAS FACTS

BTU Per Cu Ft

1040

100,000 BTU = THERM
1 THERM = 100 Cubic Foot
Cu Ft of air required to burn 1 Cu Ft of Natural Gas

10.5

MISCELLANEOUS

BTU

.25 CALORIES

CALORIES

4 BTU’S

PSI

27.7 INCHES

1 HP

2550 BTUH

OPEN FLAME

APPROX. 3500˚F

3411 BTU’S

DISCHARGE TEMPERATURE
OF PORTABLE OIL HEATERS

225˚ ABOVE AMBIENT

DISCHARGE TEMPERATURE
OF PORTABLE GAS HEATERS

240˚ ABOVE AMBIENT

AMOUNT OF MOISTURE
ADDED TO AIR BY

7 LBS OF WATER

PORTABLE GAS HEATER

PER 100,000 BTUH

Summary of Contents for 2730C

Page 1: ... Please retain this manual for future reference 342 N Co Rd 400 East Valparaiso IN 46383 219 464 8818 Fax 219 462 7985 www heatwagon com Revision 10 12 For your safety Do not use this heater in a space where gasoline or other liquids having flammable vapors are stored ...

Page 2: ... LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT LOCAL REGULATIONS Other standards govern the use of fuel gases and heat producing products in specific applica tions Your local authority can advise you about these FOR YOUR SAFETY DO NOT USE THIS HEATER IN A SPACE WHERE GASOLINE OR OTHER LIQUIDS HAVING FLAMMABLE VAPORS ARE STORED OR USED NEVER USE THE HEATER IN SPACES WHICH ARE NOT SUFFICIE...

Page 3: ...entities will not be considered Warranty claims must include model number and serial number LIMITATIONS Warrant claims for service parts wear parts such as spark plugs igniters flame rods will not be allowed Diagnostic parts such as voltage meters and pressure gauges are not warrantable Evidence of improper fuel usage fuel pressures outside of manufacturer s specification poor fuel quality and imp...

Page 4: ...amps Three Phase 480V 7 amps Three Phase Minimum Temperature Rating Minus 40 degrees F Gas Supply Inlet Pressure Manifold Pressure Max PSI Min PSI W C Propane 250 lbs 5 psi 1 Natural Gas 250 lbs 5 psi 2 5 Minimum inlet pressure as low as 9 5 W C can be achieved by removing the 1st stage HR1082 regulator Inlet Connection Model 2730C LP 1 2 FNPT Model 2730C Nat Vap Propane 3 4 FNPT Maximum Duct Leng...

Page 5: ... parts list 4 When connecting the heater to a natural gas or propane supply line ensure that the pressure at the heater inlet is within the specified range Excessive pressure over 250 psig will damage the controls and void the warranty 5 Connect the hose assembly to the heater gas inlet elbow The elbow has a 3 4 Female NPT thread The hose assembly is supplied with a swivel connector to avoid kinki...

Page 6: ...sizing Vapor Propane Up to 100 use 3 4 or larger hose For Natural Gas applications you must know the available line pressure and pipe inside diameter Call the factory for the proper size of orifice gas manifold and hose Vapor Propane and Natural Gas Units can be used inside the building or outside Wire heater directly into fused disconnect Power Supply line sizing 2730 240V under 75 10 ga 3 conduc...

Page 7: ...rom high to low fire INSTALLATION USING A PROPANE SUPPLY TANK S 1 The propane supply system must be set up for vapor withdrawal from the operating tank s Liquid propane can cause the heater to overfire and will damage valve train components unless unit is supplied with a built in vaporizer 2 The heater must be at least 6 ft from any LP Gas container and not directed toward any LP Gas container wit...

Page 8: ...sure being too high because of improper or lack of regulation or too low of natural gas pressure at meter 5 DIRTY GAS SUPPLY Dirty gas can cause strainers to plug or form a build up in the burner orifice 6 LACK OF PREVENTIVE MAINTENANCE Heaters must be cleaned as required especially when used in a dirty environment 7 IMPROPER SUPPLY OF FRESH AIR It is strongly recommended that the intake air of th...

Page 9: ...MOTOR RELAY Closes the fan motor starts there is power at the burner switch 7 BURNER SWITCH In the ON position it sends power to the air flow switch 8 AIR FLOW SWITCH It was blown closed by the fan turning sends power to the ignition control board 9 IGNITION CONTROL BOARD Creates a spark at the igniter and sends power to the high limit switch 10 HIGH LIMIT SWITCH Sends power to the gas solenoid va...

Page 10: ...auge if gas is present clean the burner port holes Flame occurs but burner locks out after a few seconds Check burner ground wire Bad connections Check sensor wire Burned wire or bad connection Check igniter sensor Replace if probe is rubbery Clean port holes in burner around igniter sensor Replace ignition control board Flame occurs but trips pressure reset button after 30 to 40 seconds Pressure ...

Page 11: ... control panel stays on 5 Clean the burner A Clean port holes gas outlet B Clean air mixture holes Main burner section 6 Clean and inspect solenoid valves A Remove tops of solenoid valves clean dirt and propane oil out B Inspect diaphragm Not hard or cracked 7 Check Replace the igniter sensor A Move sensor probe with fingers If rubbery replace it B If probe solidly rigid clean igniter and check ga...

Page 12: ... WITH BUSHING 2730 3 HM1056 3 HP 1 PHASE MOTOR 4 HWP HB1021B GAS BURNER RING 5 HWP HV1040 VAPORIZER RING 6 HWP HC1004B IGNITER ASSEMBLY HWP HM1066 3 HP 3 PHASE MOTOR Parts not shown on breakdown 2730C Control Box ITEM PART DESCRIPTION 1 HWP HS1044 MOTOR RELAY 3Ø HWP HS1044 MOTOR RELAY 1Ø 2 HWP HS1043B OVERLOAD RELAY 3Ø 3 HWP HC1017 CONTROL TRANSFORMER 4 HWP HC1004B IGNITER ASSEMBLY 5 HWP HC1001C D...

Page 13: ...38 3 4 BALL VALVE 10 HWP HR1082 REGULATOR 1 8 ORIFICE 11 SFP 3455 3 4 SOLENOID VALVE 12 HWP HV1076 HI LO SOLENOID VALVE DRILLED AT 3 16 13 HWP HV20SV02B REGULATOR 14 HWP HV1169 30 W C VAPOR PRESSURE GAUGE 15 SFP 4509 GAS PRESSURE LIMIT SWITCH 13 2730C Natural Gas Pipe Train ITEM PART DESCRIPTION 1 SFP 2538 3 4 BALL VALVE 2 HWP HR1082 REGULATOR 3 SFP 3455 3 4 SOLENOID VALVE 4 HWP HV1076B 3 4 SOLENO...

Page 14: ...14 480 Volt 3 PH 240 Volt 3 PH ...

Page 15: ...15 240 Volt 1 PH ...

Page 16: ...ERM 100 Cubic Foot Cu Ft of air required to burn 1 Cu Ft of Natural Gas 10 5 MISCELLANEOUS BTU 25 CALORIES CALORIES 4 BTU S PSI 27 7 INCHES 1 HP 2550 BTUH OPEN FLAME APPROX 3500 F KW 3411 BTU S DISCHARGE TEMPERATURE OF PORTABLE OIL HEATERS 225 ABOVE AMBIENT DISCHARGE TEMPERATURE OF PORTABLE GAS HEATERS 240 ABOVE AMBIENT AMOUNT OF MOISTURE ADDED TO AIR BY 7 LBS OF WATER PORTABLE GAS HEATER PER 100 ...

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