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INSTALLATION INSTRUCTIONS & PARTS LIST

POWER VENTED GAS FIRED PROPELLER UNIT HEATERS

FOR YOUR  SAFETY

The use and storage of gasoline or other fl ammable vapors and liquids in open containers in 
the vicinity of this appliance is hazardous.

Model No.

Serial No.

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.

APPROVED FOR USE IN CALIFORNIA

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.  

FOR YOUR  SAFETY

If you smell gas:
1. Open windows.
2. Don’t touch electrical switches.
3. Extinguish any open fl ame.
4. Immediately call your gas supplier.

2/11

ENERGY

PERFORMANCE

VERIFIED

RENDEMENT

ENERGETIQUE

VERIFIE

CM

VERIFIED

    

   

   

   

  

  

  

  

  

  

   

   

   

    

INT

ERTEK

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 transpor tation 
company.

(S) IIEP-15

J30-05368

MODELS: QVEF (100, 125, 150, 175, 200, 225, 
250, 300, 350, 400) (S,M)

www.sterlinghvac.com

HVAC PRODUCTS

260 NORTH ELM ST., WESTFIELD, MA 01085

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

Summary of Contents for QVEF 100 M

Page 1: ...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 ca...

Page 2: ...have any questions after reading this manual contact the manufacturer See Identification of Parts Section for unit components Front View Rear View Indicates an imminently hazardous situation which if...

Page 3: ...ied individual per instructions in this manual Also follow procedures listed on the Gas Equipment Start Up Sheet located in this manual 3 GENERAL SAFETY INFORMATION 1 foot 0 305 m 1 inch 25 4 mm 1 psi...

Page 4: ...9 0 186 0 249 0 249 Motor Type SP SP PSC PSC PSC PSC PSC PSC PSC PSC R P M 1 050 1 050 1 140 1 140 1 140 1 140 1 140 1 140 1 140 1 140 Amps 115V 2 6 4 2 4 7 5 8 5 8 5 8 5 8 9 4 11 6 11 6 DIMENSIONAL D...

Page 5: ...must not be installed in locations where air for combustion would contain chlorinated halogenated or acidic vapors If located in such an environment premature failure of the unit will occur Since the...

Page 6: ...e between walls and the vertical sides of the Unit Heater shall be no less than 18 inches 457mm A minimum clearance of 6 inches 152mm must be maintained between the top of the Unit Heater and the ceil...

Page 7: ...tiply the Cu Ft Hr Cubic Meters per Hour value by 0 633 then use the table 4 Refer to the metric conversion factors listed in General Safety section for more SI unit measurements conversions To avoid...

Page 8: ...ing should be sized in accordance with the latest edition of ANSI Standard Z223 1 National Fuel Gas Code in Canada according to CSA B149 See Tables 1 and 3 for correct gas supply piping size If gas pr...

Page 9: ...ersonal injury or death Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor nameplate and electrical rating on the transformer should be checked before energi...

Page 10: ...regarding these venting conditions CARBON MONOXIDE Your venting system must not be blocked by any snow snow drifts or any foreign matter Inspect your venting system to ensure adequate ventilation exi...

Page 11: ...llow this procedure 1 Hold power venter motor in position 2 Remove the three Phillips head screws from the motor adaptor plate 3 Remove the three screws which connect the power venter stack to the pow...

Page 12: ...12 Figure 10A VENTING continued Figure 10B...

Page 13: ...13 Figure 10C VENTING continued Figure 10D...

Page 14: ...isting of a power venter motor and blower pressure switch and sealed flue collector in place of the conventional draft diverter The addition of external draft hoods or power ventors is not permitted A...

Page 15: ...ywell Pilot Burner 13 High Limit This safety device is located on the rear header plate of the heat exchanger air inlet side 15 13 Figure 11 Burner Components Intermittent Pilot Ignition Also refer to...

Page 16: ...C 0 9 kPa Adjustment of the pressure regulator is not normally necessary since it is preset at the factory However field adjustment may be made as follows a Attach manometer at pressure tap plug adja...

Page 17: ...e minimum clearance requirements listed in this manual Under no circumstances should combustible material be located within the clearances specified in this manual Failure to provide proper clearance...

Page 18: ...efer to Installation 7 Refer to Installation 1 Open all manual gas valves 2 Replace fuse or turn on power supply 3 Turn up thermostat 4 Check limit switch with continuity tester If open replace limit...

Page 19: ...Do not ream 6 Refer to Operation 7 Check thermocouple connection and replace if defective 8 Eliminate drafts Refer to Installation 9 Inspect and correct all wiring 10 Inspect and correct ignition sys...

Page 20: ...or short such as staples piercing thermostat wiring and correct Replace gas valve Refer to Operation 1 Be sure fan switch heater terminals are connected per diagrams 1 Refer to Operation 2 Check motor...

Page 21: ...valve if not replace S8600 Igniter 1 Lengthen vertical run of flue pipe see venting 2 Burner orifice may be too large verify replace if req d 3 Increase air flow check fan size Check for proper voltag...

Page 22: ...ROPELLER UNIT HEATERS Figure 13 Propeller Parts 1 HEAT EXCHANGER 2 FLUE COLLECTOR 3 BURNER DRAWER Figure 15 Internal Furnace Components Figure 16 Burner Assy Parts 115 1 60 MOTOR FAN GUARD FAN BLADE H...

Page 23: ...400 units 6 dia flue outlet Increaser required To be supplied by manufacturer 23 REF NO DESCRIPTION 1 Blower Housing Assembly 2 Speed Nut 3 Motor 4 Washer Plain 5 Plate Adapter 6 Blower Wheel 7 Mounti...

Page 24: ...rews Item 12 Do not loose these parts Using caution the motor will disengage from the Mounting Adapter Plate along with the Relay Junction Box and Pressure Switch Mounting Brackets will also disengage...

Page 25: ...instructions or has been altered or modified in any way by any unauthorized person b to any expenses including labor or material incurred during removal or reinstallation of the Product c to any damag...

Page 26: ...NOTES 26...

Page 27: ...een installed Do you understand all the controls on this equipment If not contact your wholesaler or rep DO NOT START this equipment unless you fully understand the controls GAS EQUIPMENT START UP GEN...

Page 28: ......

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