background image

INSTALLATION INSTRUCTIONS & PARTS LIST

STERLING GAS FIRED PROPELLER UNIT HEATERS

 (S) IIPLM-20

J30-05367

Model No.

Serial No.

FOR YOUR  SAFETY

The use and storage of gasoline or other ß ammable vapors and liquids in open containers in 

the vicinity of this appliance is hazardous.

FOR YOUR  SAFETY

If you smell gas:

1. Open windows.

2. DonÕt touch electrical switches.

3. Extinguish any open ß ame.

4. Immediately call your gas supplier.

ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE 

ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR TYPE OF 

GAS AND ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THESE AGREE WITH THOSE AT POINT OF 

INSTALLATION. RECORD THE UNIT MODEL AND SERIAL No.(s) IN THE SPACE PROVIDED. RETAIN FOR FUTURE 

REFERENCE.

INSTALLER'S RESPONSIBILITY

Installer Please Note:

 This equipment has been test fired and inspected. It has been 

shipped free from defects from our factory. However, during shipment and installation, 

problems such as loose wires, leaks or loose fasteners may occur. 

It is the installer's 

responsibility to inspect and correct any problems that may be found.

 Install, operate and maintain unit in accordance with manufacturer's 

instructions to avoid exposure to fuel substances or substances from incomplete 
combustion which can cause death or serious illness. The state of California 
has determined that these substances may cause cancer, birth defects, or other 
reproductive harm.

 Improper installation, adjustment, alteration, service or maintenance 

can cause property damage, injury or death. Read the installation, operating and 
maintenance instructions thoroughly before installing or servicing this equipment.  

APPROVED FOR USE IN CALIFORNIA WHEN EQUIPPED WITH SPARK IGNITION.

RECEIVING INSTRUCTIONS

Inspect shipment immediately when 

received to determine if any damage 

has  occurred  to  the  unit  during 

shipment.  After  the  unit  has  been 

uncrated,  check  for  any  visible 

damage to the unit. If any damage 

is found, the consignee should sign 

the  bill  of  lading  indicating  such 

damage and immediately file claim 

for damage with the transportation 

company.

260 NORTH ELM ST., WESTFIELD, MA 01085

TEL: (413) 564-5540     FAX: (413) 562-5311

www.sterlinghvac.com

MODELS: QVF (30, 45, 60, 75, 100, 125, 150, 

175, 200, 225, 250, 300, 350, 400) (S,M)

10/07

HVAC PRODUCTS

Summary of Contents for M)

Page 1: ...nspect and correct any problems that may be found Install operate and maintain unit in accordance with manufacturer s instructions to avoid exposure to fuel substances or substances from incomplete co...

Page 2: ...intenance which are important to equipment but not related to personal injury hazards International as providing a minimum of 80 thermal efficiency and approved for use in California when equipped wit...

Page 3: ...a all external wiring must conform to the Canadian Electric Code Part 1 CSA Standard C22 1 All wiring should be done and checked by a qualified electrician using copper wire only All gas connections s...

Page 4: ...1 4 38 1 4 702 702 702 702 826 826 914 914 914 972 972 959 972 972 E Hanging Distance Width 8 5 8 8 5 8 14 1 8 14 1 8 14 3 4 17 1 2 17 1 2 20 1 4 23 25 1 2 28 1 4 33 3 4 39 1 4 44 3 4 219 219 359 359...

Page 5: ...edition of NFPA No 88B Repair Garages In parking structures unit heaters must be installed so that the burner flames are located a minimum of 18 inches 457mm above the floor or protected by a partiti...

Page 6: ...t Heater shall be located with respect to building construction and other equipment so as to permit access to the Unit Heater Clearance between walls and the vertical sides of the Unit Heater shall be...

Page 7: ...a shut off valve to isolate the unit while conducting gas pressure leak tests These valves may not be completely shut off exposing the unit gas valve to excessive pressure and damage Table 3 Gas Pipe...

Page 8: ...The manual main shutoff valve must be located external to the jacket See gure 5 8 Make certain that all connections have been adequately doped and tightened Do not overtighten the inlet gas piping in...

Page 9: ...223 1 or applicable provisions of local building codes See below for Canadian Installations CARBON MONOXIDE Your venting system must not be block by any snow snow drifts or any foreign matter Inspect...

Page 10: ...NNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING Failure to disconnect power before servicing can cause severe personal injury or death Standard units are shipped for use on 115...

Page 11: ...o the OFF position 2 Turn off the electricity 3 To relight follow the START UP instructions above EXPLANATION OF CONTROLS see Figure 8 1 The unit heater is equipped with a combination gas control valv...

Page 12: ...ri ce 6 Transformer Junction Box 7 Pliot Tubing 9 High Limit Switch 9A E C O Not Shown White Rodgers Valve Only 10 Pilot Burner Assembly 11 Blocked Vent Spill Switch Honeywell Standing Pilot Gas Valve...

Page 13: ...ONAL INTERMITTENT SPARK PILOT IGNITION 13 EXPLANATION OF CONTROLS see Figure 9 1 The unit heater is equipped with a dual automatic gas valve and electric ignition device separate from the gas valve on...

Page 14: ...mit 14 Blocked Vent Spill Switch This safety device is located on the rear header plate of the heat exchanger air inlet side This safety device is located in the upper right corner of the right jacket...

Page 15: ...Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However eld adjustment may be made as follows a Attach manometer at pressure tap plug adjacent to the c...

Page 16: ...o 4 drops of electric motor oil as follows a Light Duty After 3 years or 25 000 hours of operation b Average Duty Annually after 3 years or 8 000 hours of operation c Heavy Duty Annually after 1 year...

Page 17: ...L SWITCH LOCATION Figure 12 Components Parts P 14 115 1 60 MOTOR P 15 FAN GUARD P 16 FAN BLADE P 17 HARDWARE 225 400 unit sizes only require a baf e Figure 13 Figure 14 Internal Furnace Components Bur...

Page 18: ...er 2 Reduce pilot gas Refer to Operation 3 Replace ori ce 4 Reset manifold pressure Refer to Operation Replace regulator section of combination gas valve or complete valve or Check with local gas supp...

Page 19: ...ruction label adjacent to gas valve 5 Remove pilot ori ce Clean with compressed air or solvent Do not ream 6 Refer to Operation 7 Determine and correct cause of overheat condition Replace E C O device...

Page 20: ...e thermostat 4 There should be NO ducts attached to the front of this heater Check air movement through heat exchanger Check voltage to fan motor Clean fan blade and heat exchanger and oil fan motor 1...

Page 21: ...rk is applic able Y Pilot lights Main valve does not energize Spark units only Z Hi Limit switch tripping 1 Refer to Operation 2 Check motor voltage with fan running Should be 115 volts AC 3 Refer to...

Page 22: ...tructions or has been altered or modi ed in any way b to any expenses including labor or material incurred during removal or reinstallation of the defective Product or parts thereof c to any damage du...

Page 23: ...nderstand the controls GAS EQUIPMENT START UP GENERAL With power and gas off Make certain all packing has been removed Tighten all electrical terminals and connections Check damper linkages for tightn...

Page 24: ......

Reviews: