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Customer  

____________________________________  

Job Name & Number  

_________________________

PRE-INSPECTION INFORMATION

With power and gas off.

Type of Equip:

 

 

Unit Heater 

   

Duct Furnace  

Indoor   

Rooftop

 

Serial Number

 

_________________________  Model Number __________________________

Name Plate Voltage:

 

_____________ 

Name Plate Amperage: _____________

Type of Gas:

   

Natural  

LP 

Tank Capacity _______ lbs. 

Rating: _  _____ BTU @ ____ ¡F

                                                                                                      _______ kg 

             _  _____ kw @   ____ ¡C

 

Are all panels, doors, vent caps in place?

 

Has the unit suffered any external damage?   

Damage  ______________________________

 

Does the gas piping and electric wiring appear to be installed in a professional manner?

 

Has the gas and electric been inspected by the local authority having jurisdiction?

 

Is the gas supply properly sized for the equipment?

 

Were the installation instructions followed when the equipment was installed?

 

Have all Þ eld installed controls been 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

GENERAL

With power and gas off.

 

Make certain all packing has been removed.

  Tighten all electrical terminals and connections.

  Check damper linkages for tightness.

  Check all fans & blowers for free movement.

  Check all controls for proper settings.

  Check all set screws on blowers and bearings.

  Check belt tightness.

BLOWER

With power on and gas off.

  Check voltage  L1 _____ L2 _____ L3 _____ 

  Check rotation of main blower.

  Check motor amps L1 _____ L2 _____ L3 _____ 

  Blower RPM  _____________

 

Check air Þ lters.  

(Record quantity & size.)

              

Remarks: 

_____________________________________________

__________________________________________________

__________________________________________________

GAS HEATING

With power and gas on.

❐ 

Inlet gas pressure.  

____  in. W.C. or ____ kPa

  Pilot & main burner ignition.

  Manifold gas pressure. ____  in. W.C. or ____ kPa

  Cycle on HIGH LIMIT.

  Cycle Þ restat and/or freezestat.

  Check electronic modulation.  Set at: __________ 

  Check mechanical modulation.  Set at: ________

  Cycle and check all other controls not listed.

  Check operation of remote panel.

  Entering air temp. _____ ¡F or ____ ¡C

  Discharge air temp.  (high Þ re) ____ ¡F. or ____ ¡C

  External static pressure  _________ in. W.C.

  Cycle by thermostat or operating control.

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: ......

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