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DIRECT GAS FIRED
AIR HEATER
DF SERIES

INSTALLATION
AND OPERATION MANUAL

CUSTOM GAS

SOLUTIONS,

LEGENDARY

PERFORMANCE

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Содержание DF SERIES

Страница 1: ...DIRECT GAS FIRED AIR HEATER DF SERIES INSTALLATION AND OPERATION MANUAL CUSTOM GAS SOLUTIONS LEGENDARY PERFORMANCE...

Страница 2: ...y read the installation start up and maintenance instructions before installing or servicing this unit GAS ODOR If a gas odor is detected 1 Open all windows 2 Do not touch any switches 3 Extinguish al...

Страница 3: ...N 6 2 GAS CONTROL PANEL INSTALLATION 7 3 GAS PIPING CONNECTIONS 8 4 ELECTRICAL CONTROL SENSORS CONNECTIONS 9 5 AIR PRESSURE SWITCH CONNECTION 10 6 IGNITION AND FLAME DETECTIONS CONNECTIONS 10 7 START...

Страница 4: ...FPA 70 in the USA and all local applicable codes for this category of equipment All electrical installations must comply with the electric diagrams of the heater For more information refer to the star...

Страница 5: ...plate installation 2 Control panel installation 3 Gas piping connections main burner pilot and vents 4 Electrical control sensors connections 5 Differential pressure switches connections 6 Ignition w...

Страница 6: ...g to allow the insertion of the profile plate at the chosen location CLEARANCES TO BE RESPECTED Table of clearances Model F G H in mm in mm in mm DF 25 50 75 100 1 25 6 152 30 762 DF 150 12 305 DF 200...

Страница 7: ...th of the control panel length TYPICAL PIPING SCHEMATIC OF AN INSTALLATION WITH THE PANEL MOUNTED DIRECTLY ON UNIT TYPICAL PIPING SCHEMATIC OF AN INSTALLATION WITH THE PANEL REMOTELY MOUNTED FROM UNIT...

Страница 8: ...BH and less Use external gas regulator to reduce to psig From 751 to 1000 MBH 1 From 1001 to 2500 MBH 1 1 1 From 2501 to 5000 MBH 2 1 2 5001 MBH and more 3 2 3 Pilot vent and bleed valve pipe size NPT...

Страница 9: ...of operation of the electrical diagram must never be modified without consulting the manufacturer Electrical controls location Installed by others Items Description All wires must comply with codes a...

Страница 10: ...ropriate hardware to pass the tubes through unit wall 6 IGNITION AND FLAME DETECTIONS CONNECTIONS SNAPPING BUSHING IF DOUBLE WALL RUBBER GROMMET BLACK PLASTIC TUBE PROFILE PLATE PROFILE PLATE SUPPORT...

Страница 11: ...H GTO 15 Red with blue stripe 13mm 4 Pilot gas tubing With ultra violet flame detector Components Description Wire gauge Color Hole diameter to drill in wall5 1 Pilot ignition wire GTO 15 Black 13mm 2...

Страница 12: ...mation should only be used by a qualified technician for gas equipment installation with qualification cards with knowledge in electricity and ventilation WARNING Smoking is not recommended during the...

Страница 13: ...Pa DF 150 200 300 375 450 550 700 Min 13 w c 3235 Pa Min 11 w c 2734 Pa Max 14 w c 3484 Pa Max 14 w c 3484 Pa For lower gas pressure consult manufacturer b Ensure that the air is completely purged fr...

Страница 14: ...r profile plate is too high or too low the unit will not function properly This could produce an excess of carbon monoxide CO or trigger a FLAME FAILURE alarm b To measure the differential pressure at...

Страница 15: ...to the value indicated in the graph below 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 0 4 0 5 0 6 0 7 0 8 40 36 32 28 24 20 16 12 8 4 0 4 8 12 16 20 24 28 32 36 4...

Страница 16: ...ing of the profile plate by moving the adjustment plates closer to the burner g If the differential pressure reading is higher than the desired value enlarge the opening of the profile plate by moving...

Страница 17: ...mperature 20 F 29 C Desired final temperature 70 F 21 C Temperature rise T 90 F 50 C b When the outside temperature does not allow for the simulation of the specified temperature rise across the burne...

Страница 18: ...utside air temperature permits full fire M511 M611 or ES371 MR212 FINAL AIR TEMPERATURE ADJUSTMENT a Set the MAXITROL temperature selector TD 114 to the desired final temperature This selector is loca...

Страница 19: ...e following checks must be performed a Verify the alarm code on the flame supervision relay and consult the troubleshooting section of this manual b Set the main power switch to OFF c Ensure that all...

Страница 20: ...e selected set point of the temperature selector 10 OPERATING SEQUENCE FOR DOUBLE VOLUME DIRECT FIRED HEATER For guidance only Starting up the burner a Create a heating demand b If outside temperature...

Страница 21: ...it switches are closed and terminal 6 is energized c The PTFI light is ON only during the pilot ignition cycle d The FLAME light is ON only when the flame safeguard relay detects a flame signal and is...

Страница 22: ...n and operation manual of the flame relay manufacturer for any code not listed in this table CONSULT THE FIREYE TROUBLESHOOTING TABLE TO ESTABLISH THE DIAGNOSTIC Trouble code Trouble description alarm...

Страница 23: ...ng demand b The PILOT light is ON when there is a heating demand and the pilot control valve coil as well as the ignition transformer is energized c The FLAME light is ON when the flame safeguard rela...

Страница 24: ...el it should be set to BURNER 3 Check the outside temperature thermostat it prevents the burner from running if the outside temperature is over 70 F 4 Check the burner purge time delay relay 5 Refer t...

Страница 25: ...N C and open if the differential pressure at the burner exceeds 1 2 inches of water see the Start up Instructions section for more information on the adjustment of the burner profile plate AT START UP...

Страница 26: ...provided LOW FIRE PULSATING OR ERRATIC FLAME OR IMPROPER CAPACITY 8 Incorrect low fire adjustment 9 Excessive negative pressure at burner 8 Make sure that low fire is properly adjusted There should b...

Страница 27: ...orrespond to the desired average discharge air temperature 24 Disconnect the room thermostat from terminal 2 of the TD114 21 Correct wiring 22 Adjust the TD114 23 Move the TS114 to a location where th...

Страница 28: ...ct thermostat ______ F Pre purge delay ______sec Start up delay on low fire ______sec Inlet temperature thermostat ______sec Profile plate openings _______ X _______ _______ X _______ Main fixed Auxil...

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