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Aerovent AEHP, Инструкция по установке, эксплуатации и обслуживанию

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Installation, Operation & Maintenance Manual

IM-875

19

Troubleshooting Guidelines

 (cont.)

CHECK LIGHT

SYMPTOM

POSSIBLE CAUSE

BURNER

LOCKOUT

Burner Lockout

 light 

is Lit

1. If on 

INITIAL START UP

 of a newly installed system, the gas line may have air 

trapped in it. Remove the test plug upstream of the safety shut off valve and bleed 

the gas line to remove the air. It may require resetting the flame safeguard several 

times.

2. If pilot does light as proven by the flame light on the flame safeguard, but does 

not stay lit, adjust needle valve on pilot gas line. Close valve fully and open ½ turn 

and retry. If pilot will not stay lit, open to 1 turn open.

3. Push burner reset button on flame safeguard or the burner reset button on 

the remote panel. If burner continues to lock out, check for spark during ignition 

process.
4. No ignition spark. Crack access door (or view pilot through view-port) and look at 

the pilot side of the burner. You should be able to see the igniter sparking. (Spark is 

present only when the pilot light is lit, this is only 10 sec.)
5. Spark plug fouled. If the spark is not visible, remove the spark plug and clean 

it with a wire brush. Check the gap between ground electrode, it should be 

approximately 3/32".
6. Ignition wire broken or grounded against unit.
7. Defective ignition transformer or spark plug. Disconnect the ignition wire from 

the spark plug and thread it back through the hole on the control side of the unit. 

Hold the wire by the insulated cover and place the spark plug electrode approx. 

1/16" from a bare surface of the unit. Start the ignitions sequence; it should spark.

(REMEMBER TO RESET THE FLAME RELAY BEFORE DOING THIS.) If no spark is 

observed, replace the ignition transformer.

8. Low pilot flame. Increase pilot gas pressure by adjusting pilot regulator.
9. Ultra-violet flame detector sight glass is obstructed. Check lens or sight tube for 

moisture, dirt or insects. Clean or dry lens with a soft cloth.

DIRTY FILTER

Dirty Filter Light

 

is Lit

1. If the dirty filter light is 

lit

, the filters are dirty to the point where the airflow is 

reduced. Change or clean filters.

Содержание AEHP

Страница 1: ...are general in nature Additional product and engineering information is available at www aerovent com Refer to the Safety section s in this manual prior to installing or servicing the air make up unit The most current version of this installation and maintenance manual can be found on our website at www aerovent com resources im manuals SAFETY NOTICE REVIEW AMCA BULLETIN 410 PRIOR TO INSTALLATION ...

Страница 2: ... is isolated by closing off the inlet or outlet to prevent wind driven rotation If an impeller is chocked to prevent rotation ensure that the chocks are removed prior to start up Wear appropriate personal protective equipment This may include protective clothing eye protection ear protection respiratory equipment hand and foot protection when installing or servicing the fan Always use caution when...

Страница 3: ...ibility of Twin City Fan Companies Ltd Unpack each air make up unit and verify for conformance with description of product ordered and all required parts and proper quantities of each item have been received Refer to drawings for part descriptions Report shortages or missing items to your local representative to arrange for replacement parts Due to availability of carriers and truck space it is no...

Страница 4: ...function capacities options and accessories may vary widely 3 Check the unit dimensions for proper fit 4 Move the unit to its installation location 5 Fully assemble the unit with all included components 6 Inspect the blower impellers shaft and motor for any shipping blocks that must be removed before operation 7 Those heaters to be installed outdoors must have the Inlet Rain Hood option or other m...

Страница 5: ... location of channel iron and isolators Attach the hanger rods to the building structure so they hang down to the channel extensions under the unit Make sure the rod location does not interfere with the removal of unit access panels Provide one suspension type vibration isolator in each hanger rod The minimum combined ratings of the vibration isolators and suspension materials should equal the tot...

Страница 6: ...recommended for suspended units and can be supplied by Aerovent as optional equipment DO NOT OPERATE UNIT FOR MORE THAN SIXTY 60 SECONDS WITHOUT ALL ACCESS DOORS CLOSED WITH THE EXCEPTION OF THE MASTER ELECTRICAL PANEL OR GAS MANIFOLD ENCLOSURE DOORS Energize the system and check for unusual noises or vibrations etc Check the fan for proper rotation THIS MUST BE A VISUAL CHECK as fans will move ai...

Страница 7: ...ual circuits are alternating current or direct current where all conductors are insulated for the maximum voltage of any conductor within the enclosure cable or raceway 7 Open cover on disconnect box connect line voltage wiring to terminal block provided Then feed the control wiring through the conduit to the master panel Connect color coded and or numbered control wires to terminal strip per the ...

Страница 8: ... base unit before lifting into place 2 OA RA filtered mixbox OA louvered inlet plenum discharge heads and roof curbs are rigged separate from the base unit and assembled to the unit once in place 3 Two piece base unit models should be rigged separately and assembled in place 4 Always use spreader bars as shown above END VIEW BASE UNIT BASE UNIT SIDE VIEW OA FILTER SECTION OA RA FILTERED MIXBOX INL...

Страница 9: ...00 2 000 2 575 900 1 200 3 500 600 P730 4 900 4 100 5 550 4 650 1 300 1 500 2 400 3 150 2 250 2 900 1 000 1 400 4 000 650 P807 7 600 5 900 8 450 6 500 1 500 1 725 2 600 3 425 2 500 3 225 1 200 1 600 4 550 700 P890 7 900 6 100 8 850 6 800 1 600 1 825 2 900 3 825 2 800 3 625 1 250 1 750 5 700 725 Model AEHP Model BASE UNIT OA FILTER SECTION OA RA FILTERED MIXBOX UPRIGHT PLENUM BASE OA INLET HOOD OA ...

Страница 10: ...PITCHED ROOF CURB ROOF LINE Upright Unit Installation Guidelines MOUNTING SURFACE MOUNTING SURFACE SHIM PLATES NOTE When installing upright equipment on warped unlevel or raised surfaces be sure to square level the unit in both the X and Y axis to ensure proper unit operation and longevity of components ...

Страница 11: ... Dia Typ 8 4 8 4 HEATER 33 1 2 29 1 2 59 1 2 55 1 2 73 1 2 69 1 2 87 1 2 83 1 2 105 1 2 87 1 2 124 1 2 103 1 2 3 1 4 110 131 P807 P890 3 1 4 94 112 P660 P730 3 1 4 90 94 P542 P600 3 1 4 76 80 P402 P490 3 1 4 62 66 P270 P365 3 1 4 36 40 P182 P200 E D C B A MODEL 7 8 Dia Typ 8 8 B E C C A D C C AEHP SERIES ...

Страница 12: ...RT BURNER SECTION LIFTING RINGS FAN SECTION FAN SECTION BURNER SECTION SECTION HOUSING HOUSING ASSEMBLY CAULK AFTER SEALING INSTRUCTIONS SEAL WITH A HEAVY BEAD OF CAULK COVER WITH 3 FLASHING TAPE INLET HOOD INTERIOR EXTERIOR EXTERIOR INTERIOR CAULK TAPE JOINT ROOF SEAMS CAULK JOINT SIDE SEAMS INTERIOR EXTERIOR EXTERIOR INTERIOR CAULK BEFORE ASSEMBLY CAULK BEFORE ASSEMBLY CAULK AFTER ASSEMBLY HOUSI...

Страница 13: ...AIN SKIRT BURNER SECTION LIFTING RINGS FAN SECTION FAN SECTION BURNER SECTION SECTION HOUSING SEALING INSTRUCTIONS SEAL WITH A HEAVY BEAD OF CAULK COVER WITH 3 FLASHING TAPE INLET HOOD EXTERIOR INTERIOR CAULK BEFORE ASSEMBLY INTERIOR EXTERIOR CAULK BEFORE ASSEMBLY INTERIOR EXTERIOR 3 FLASHING TAPE PINCH TIGHT AROUND HARDWARE CAULK AFTER ASSEMBLY CAULK AFTER ASSEMBLY HOUSING CAULK TAPE JOINT ROOF S...

Страница 14: ... sure no damage has occurred during shipment or installation Check burner and fan impeller to ensure it is secure Check all electrical connections for tightness Check to ensure there are no obstructions to the inlet air supply or the discharge air supply Check gas piping for leaks using a soap water solution 2 After these preliminary checks have been made the unit can be prepared for start up 1 If...

Страница 15: ...to maintain performance If the accumulation is heavy more frequent cleaning may be required Belts Due to belt stretching adjust belt tension after the first one hundred 100 hours of operation Check belts every three 3 months thereafter for proper tension Do not over tighten Adjustment should result in a belt deflection of 3 4 to 1 for each foot of span when applying medium thumb pressure inward at...

Страница 16: ...bit for cleaning Midco natural gas burner orifices a 45 drill bit for cleaning Midco propane LPG gas burner orifices a 47 5 64 drill bit for Maxon NP I burner orifices and a 50 1 16 drill bit for Maxon NP II burner orifices DO NOT ENLARGE BURNER ORIFICES THIS MAY AFFECT PERFORMANCE 4 Put the system back into operation and view the burner from the downstream side while cycling the burner through it...

Страница 17: ...s at starter If voltage is present and motor does not run check motor wiring and connections on motor for open circuit Check for possible open circuit in motor windings HIGH TEMP High Temperature Switch light is Unlit 1 Remote panel switch not turned to WINTER or BURNER ON position 2 High temperature limit switch is set too low FACTORY SET AEH Series 150 F If there is NO voltage present at switch ...

Страница 18: ...me relay cover and check the contact base terminal screws for tightness POWER TO VALVES Power to Valves light is Unlit 1 If pilot light is on and power to valves is unlit check wiring and terminals on flame safeguard If wiring is not damaged replace flame safeguard BURNER ON Burner On light is Unlit 1 Block valve auxiliary switch misadjusted Check the normally open switch terminal at the actuator ...

Страница 19: ...to see the igniter sparking Spark is present only when the pilot light is lit this is only 10 sec 5 Spark plug fouled If the spark is not visible remove the spark plug and clean it with a wire brush Check the gap between ground electrode it should be approximately 3 32 6 Ignition wire broken or grounded against unit 7 Defective ignition transformer or spark plug Disconnect the ignition wire from t...

Страница 20: ...vice of the unit s to which this applies must be performed by a qualified installation and service agency 3 After completion of start up make a copy of this completed form for your files as necessary and leave the original copy with the owner for future reference Project Information Project Name Address City State Zip Equipment Information Model Serial Start Up Contractor Information Company Name ...

Страница 21: ...essure regulator drip leg etc Yes No 5 Model AEHP Mix tube wiring installed Smoke Detector wiring installed Discharge Damper wiring installed 6 Electrical supply connected with proper voltage amperage as stated on nameplate Yes No 7 Multi section units joints caulked at mating frames all bolts and nuts installed and tightened seam tape applied Yes No 8 Upright Units Legs attached and bolted shimme...

Страница 22: ...y 2 Ignition Wire Attached at Igniter and Transformer 5 Unions Tight and Secure 3 Pilot Line Fittings Tight 6 UV Scanner Secured Properly Comments V Gas Manifold Vent Piping 1 Manifold Assembly Components Tight and Securely Mounted 3 Vent Screens Installed if required 2 All Fittings and Components Tight and Securely Mounted 4 Vent Piping Run to Outdoors Comments VI Electric Service 1 Electrical Se...

Страница 23: ...C _________Volts B C _________Volts _________Amps A C _________Volts A C _________Volts _________Amps II Burner Operation 1 Enter Gas Pressure Requireed at Burner for Max Rated Capacity on rating plate ________ w c 3 The resulting pressure ________ w c is the net pressure required at the BGPT during High Fire 2 Subtract the Negative pressure measured at BGPT when the fan is operating ________ w c ...

Страница 24: ...III Space Temperature Control Systems Maxitrol 44 and DFM Series 1 Modulating Regulator Valve MR Valve Voltage at Low Fire _______ VDC Voltage at High Fire _______ VDC 2 The Minimum Discharge Temperature is field set at __________ F factory set is 55 F 3 The Maximum Discharge Temperature is field set at __________ F factory set is 95 F Maximum setting is 120ºF 4 Burner responds to demand for heat ...

Страница 25: ...k has been programmed per owner instructions and training provided by me Yes 3 If provided the following temperature control stats have been set by me and instructions provided to the owner ________ Cycle Stat ________ Cool Down Stat ________ Mild Weather Stat ________ Freeze Stat 4 The electrical drawing and sequence of operation is taped to the enclosure door Yes 5 The owner s manual was reviewe...

Страница 26: ...cussed the unit controls and operation was Name Title please print please print CUSTOMER S AUTHORIZED SIGNATURE I acknowledge that I have been instructed on the operation of this unit Signature Date Ph No MAKE A COPY FOR YOUR FILES AS NECESSARY After completion return this start up sheet to 5959 Trenton Lane N Minneapolis MN 55442 Phone 763 551 7500 Fax 763 551 7501 customerservice aerovent com ...

Страница 27: ...Installation Operation Maintenance Manual IM 875 27 Date Completed Maintenance Performed By Comments Model Number__________________________ Serial Number __________________________ Maintenance Log ...

Страница 28: ...WWW AEROVENT COM 5959 Trenton Lane N Minneapolis MN 55442 Phone 763 551 7500 Fax 763 551 7501 2021 Aerovent ...

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