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SECTION 14: O

PERATION

SECTION 14: OPERATION

DANGER

WARNING

Electrical Shock Hazard

Disconnect electric

before service.

More than one

disconnect switch may

be required to

disconnect electric from

heater.

Heater must be

connected to a properly

grounded electrical

source.

Explosion Hazard

Turn off gas supply to

heater before service.

Burn Hazard

Allow heater to cool
before service.

Tubing may still be hot
after operation.

Cut/Pinch Hazard

Wear protective gear
during installation,
operation and service.

Edges are sharp.

Failure to follow these instructions can result in death, electric shock, injury or property damage.

Figure 35: Sequence of Operation Chart

NOTE: If the heater operates for more than 24 hours continuously, the ignition module will automatically recycle the
burner to ensure that all safety functions are still in working condition.

14.1 Heater Lockout Indication (Optional)

In case of flame loss during operation of the heater, the
burner control unit goes to lockout mode after three
ignition trials. At this stage a signal or closed relay will
enable the Aira controller, BMS system, etc. to indicate

precisely which heater has failed. This can be done by
two options.

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Содержание AIRA ATH Series

Страница 1: ...T ATH30DL ATH20UT ATH20ST ATH40DL ATH25UT ATH25ST ATH50DL ATH30UT ATH30ST ATH60DL ATH35UT ATH35ST ATH70DL ATH40UT ATH40ST ATH45UT ATH45ST ATH50UT ATH50ST Aira Pty Ltd 144 Colchester Road Kilsyth VIC 3137 Telephone 61 3 9839 8000 Fax 61 3 9761 4732 Email sales aira com au www aira com au 2014 Roberts Gordon LLC AH170106AU Orig 09 14 FOR YOUR SAFETY If you smell gas 1 Open windows 2 DO NOT try to li...

Страница 2: ... 51 SECTION 12 Gas Piping 52 SECTION 13 Wiring 54 13 1 Typical External Wiring Diagram Linear or U Tube 54 13 2 Typical External Wiring Diagram Double Linear Option 1 54 13 3 Typical External Wiring Diagram Double Linear Option 2 55 13 4 Typical External Wiring Diagram Multiburner 55 13 5 Internal Wiring Diagram 56 SECTION 14 Operation 57 14 1 Heater Lockout Indication Optional 57 14 2 Testing 58 ...

Страница 3: ...out Overview 27 Figure 25 Multiburner Damper Flange Installation 34 Figure 26 Typical Manifold Layout Linear and U Tube Configuration 35 Figure 27 U Tube Horizontal 47 Figure 28 U Tube Angle Mounted 48 Figure 29 Linear 48 Figure 30 Individual Flue Connection Detail 50 Figure 31 Flue Connection Dimensions 50 Figure 32 Fresh Air Intake Spigot 51 Figure 33 Air Supply withFlue Configurations 51 Figure...

Страница 4: ...h these instructions These instructions refer to appliances designed to operate in the European Union Appliances designed for other countries Non European Union are available on request This appliance must be installed in accordance with the local and national codes in force and used only in a sufficiently ventilated space as specified in these instructions Before installation check that the local...

Страница 5: ...es will also prevent the transfer of body oils from the hands to the surface of the reflector Before installation check that the local distribution conditions nature of gas and pressure and adjustment of the appliance are compatible The heater must be applied and operated under the general concepts of reasonable use and installed using best building practices This equipment is not intended for use...

Страница 6: ... w th wiring material having a temperature rating of l ooo ob o II at least 105 C and 600 V P N 9103 1 40 1 Rev M Internal Wiring Label 3 of 73 AWARNING Fire Hazard Tighten end install gaehoeefittings to connect gae eupply eccortling to example below Gae hoee can crack when twist ed Gae hoee moves during normal operation Uee only 1000 mm long connector of 112 or 314 nominal I Failure to allow thee...

Страница 7: ...or your Aira independent distributor to obtain the wall tag Affix the tag by peeling off the backing of the adhesive strips on the rear surface and position the tag on a wall near the heater e g thermostat A copy of the wall tag P N 91037912 AH is illustrated on the back cover This copy of the wall tag can be affixed on the wall near the heater Know your model number and installed configuration Mo...

Страница 8: ...ected fromdegradation Maintain clearances from heat sensitiveequipment and workstations Maintain clearances from vehicles parked below the heater Maintain clearances from swinging and overhead doors overhead cranes vehicle lifts partitions stor age racks hoists building construction etc In locations used for the storage of combustible mate rials signs must be posted to specify the maximum permissi...

Страница 9: ...H30DL ATH20ST ATH40DL ATH25ST ATH50DL ATH30ST ATH60DL ATH35ST ATH70DL ATH40ST ATH45ST ATH50ST A 150 150 150 150 150 150 200 200 B 230 230 230 230 230 230 230 230 C 1580 1760 1760 1930 2090 2130 2160 2240 D 1200 1380 1380 1500 1660 1710 1760 1860 FIGURE 5 LINEAR DOUBLE LINEAR TWO SIDE REFLECTORS A B D C Model ATH15ST ATH30DL ATH20ST ATH40DL ATH25ST ATH50DL ATH30ST ATH60DL ATH35ST ATH70DL ATH40ST AT...

Страница 10: ...l ATH15ST ATH30DL ATH20ST ATH40DL ATH25ST ATH50DL ATH30ST ATH60DL ATH35ST ATH70DL ATH40ST ATH45ST ATH50ST A 150 150 150 150 150 150 200 200 B 890 970 970 1020 1170 1220 1280 1330 C 1570 1650 1650 1780 1930 1970 2010 2080 D 890 970 970 1020 1170 1220 1280 1330 FIGURE 9 UNDERSHIELD A B D C Model ATH15ST ATH30DL ATH20ST ATH40DL ATH25ST ATH50DL ATH30ST ATH60DL ATH35ST ATH70DL ATH40ST ATH45ST ATH50ST A...

Страница 11: ...00 1300 FIGURE 12 U TUBE ONE SIDE REFLECTOR A B D C Model ATH15UT ATH20UT ATH25UT ATH30UT ATH35UT ATH40UT ATH45UT ATH50UT A 150 150 150 150 150 150 200 200 B 230 230 230 230 230 230 230 230 C 1580 1760 1760 1930 2090 2130 2160 2240 D 1200 1380 1380 1500 1660 1710 1760 1860 FIGURE 13 U TUBE TWO SIDE REFLECTORS A B D C Model ATH15UT ATH20UT ATH25UT ATH30UT ATH35UT ATH40UT ATH45UT ATH50UT A 150 150 1...

Страница 12: ...T ATH50UT A 200 200 200 250 250 275 300 300 B 1370 1530 1530 1630 1780 1830 1880 1930 C 1500 1650 1650 1860 1960 2040 2110 2160 D 560 560 560 560 560 560 560 560 FIGURE 16 U TUBE PROTECTIVE GRILLE A B D C Model ATH15UT ATH20UT ATH25UT ATH30UT ATH35UT ATH40UT ATH45UT ATH50UT A 150 150 150 150 150 150 200 200 B 890 970 970 1020 1170 1220 1270 1380 C 1580 1730 1730 1910 1980 2050 2110 2210 D 760 940 ...

Страница 13: ...ast tube on the heater where the fan is attached The swirler is welded to the inside Tube and Reflector Hanger with Clamp Package Position this hanger no more than 100 mm away from the burner assembly Tube and Reflector Hanger Suspend system from these hangers Reflector Support Strap Wire Form 8 x 3 4 3 9 x 19mm Screw of the tube end Coupling Assembly with Lock Reflector End Cap Punch out center s...

Страница 14: ...e installed in accordance with these instructions The gas or the electrical supply lines must not be used to support the heater Do not locate the gas or electric supply lines directly over the path of the flue products from the heater The heater must be installed in a location that it is readily accessible for servicing The heater must be installed in accordance with clearances to combustibles as ...

Страница 15: ...ot included Allows for thermal expansion of system Side View Bow Shackle Hanger Hanger 100 mm Max Front View 45 Angle AIRA ATH INSTALLATION OPERATION AND SERVICE MANUAL Figure 18 Critical Hanger Placement Description Part Number Burner Tube 03051100 Bow Shackle E0007576 Tube Reflector Hanger 03090100 For suspension angles other than shown additional chain supports may be required 12 of 73 ...

Страница 16: ...Tube 100 mm x 3048 mm 1 1 2 2 2 3 3 S5127W FanTube 100mmx3048mm with3048mmSwirler 1 1 1 1 1 1 1 S5134W FanTube 100mmx3048mm with2134mmSwirler 1 01329600 Standard Coupling Assembly 1 2 2 3 3 3 4 4 01329700 Coupling Lock 1 2 2 3 3 3 4 4 02750303 Reflector Aluminium 2439 mm 3 4 4 6 6 6 7 7 027503SS Reflector Stainless Steel 2439 mm Optional 3 4 4 6 6 6 7 7 02750800 Reflector End Cap Aluminium 2 2 2 2...

Страница 17: ... and Reflector Hanger Coupling Reflector Support U Clips Fan Tube Internal Swirler Weld Spot Fan Assembly For Single Heater Damper Assembly Required for Multiburner A IRA ATH I NSTALLATION O PERATION AND S ERVICE M ANUAL Figure 19 Linear General Assembly Overview 14 of 73 ...

Страница 18: ...ut Overview SECTION 6 LINEAR DOUBLE LINEAR HEATER INSTALLATION Model ATH15ST ATH20ST ATH25ST ATH30ST ATH35ST ATH40ST ATH45ST ATH50ST Reflector Overlap approx 700 mm 250 mm 250 mm 530 mm 530 mm 530 mm 330 mm 330 mm 15 of 73 ...

Страница 19: ...1329700 Coupling Lock 4 6 6 8 8 02750303 Reflector Aluminium 2439 mm 6 8 8 12 12 027503SS Reflector Stainless Steel 2439 mm Optional 6 8 8 12 12 02750800 Reflector End Cap Aluminium 4 4 4 4 4 027508SH Reflector End Cap Stainless Optional 4 4 4 4 4 03090100 Tube and Reflector Hanger 6 8 8 10 10 01318901 Tube Clamp Package including Nut Washer Bolt 2 2 2 2 2 91908004 Wire Form 4 6 6 10 10 03050000 R...

Страница 20: ...SECTION 6 LINEAR DOUBLE LINEAR HEATER INSTALLATION Figure 21 Double Linear General Assembly Overview 17 of 73 ...

Страница 21: ...RA ATH INSTALLATION OPERATION AND SERVICE MANUAL Figure 22 Double Linear Layout Overview Model ATH30DL ATH40DL ATH50DL ATH60DL ATH70DL Reflector Overlap approx 700 mm 250 mm 250 mm 530 mm 530 mm 18 of 73 ...

Страница 22: ...Burner Tube 03051100 Bow Shackle E0007576 Tube Reflector Hanger 03090100 Step 6 4 Coupling and Tube Assembly A Close coupling with tab Tab Open Closed B Start slide bar coupling lock onto coupling Slide Bar Wide End Coupling 76 mm to 101 mm C Insert tubes into coupling Orient coupling so that the impact block is in the 2 00 or 10 00 o clock positions Tube Tube D Tighten coupling to join tubes Slid...

Страница 23: ...tep 6 4 1 Coupling and Tube Assembly Continued Step 6 4 2 Coupling and Tube Assembly Continued Model Overall Tube Length mm Number of Tubes ATH15ST 6 000 2 ATH20ST 9 000 3 ATH25ST 9 000 3 ATH30ST 12 000 4 ATH35ST 12 000 4 ATH40ST 12 000 4 ATH45ST 15 000 5 ATH50ST 15 000 5 20 of 73 Repeat Step 6 4 A D until all tubes are assembled See Page 20 Section 6 4 2 shown below Tighten slide bar as shown bel...

Страница 24: ...late Other hangers do not need tube clamp packages Step 6 5 Tube Clamp Package Installation SECTION 6 LINEAR DOUBLE LINEAR HEATER INSTALLATION Description Part Number Tube Clamp Package 01318901 Tube Clamp 01396801 Bolt 97113940 Flat Washer 95211600 Nut 92113900 21 of 73 ...

Страница 25: ...mber Tube Reflector Hanger 03090100 Burner Tube 03051100 Reflector 02750303 22 of 73 WARNING Fire Hazard Support reflector with reflector hanger and support strap Reflector must not touch tube Failure to follow these instructions can result in death injury or property damage Hanger Burner Tube Reflector ...

Страница 26: ...f the reflectors a combination of U clips and reflector supports are used The positioning of reflector supports and U clips depend on the individual installation Use either pop rivets or sheet metal screws instead of U clips when installing end caps and joint pieces in areas where impact and high wind may be a factor The following rules must be observed Description Part Number Reflector Support Pa...

Страница 27: ...RA ATH INSTALLATION OPERATION AND SERVICE MANUAL Step 6 7 Double Linear Tee Installation for double linear heaters only Description Part Number Tee 01330203 Fan Tube S51XXW Coupling 01329600 Slide Bar Coupling Lock 01329700 Tube Reflector Hanger 03090100 24 of 73 ...

Страница 28: ...134W FanTube 100mmx3048mm with2134mmSwirler 1 01335901 U Bend 1 1 1 1 1 1 1 1 01329600 Standard Coupling Assembly 2 4 4 4 4 4 6 6 01329700 Coupling Lock 2 4 4 4 4 4 6 6 02750303 Reflector Aluminium 2439 mm 4 4 4 6 6 6 8 8 027503SS Reflector Stainless Steel 2439 mm Optional 4 4 4 6 6 6 8 8 02750800 Reflector End Cap Aluminium 4 4 4 4 4 4 4 4 027508SH Reflector End Cap Stainless Optional 4 4 4 4 4 4...

Страница 29: ... Reflector Suppor Internal Swirler Fan Tube r Reflector ner Tube Clamp Package 200mm U Tube Support Bracket BurnerTube j Couplin aps 180 U Tube 46 cm Center to Cent A IRA ATH I NSTALLATION O PERATION AND S ERVICE M ANUAL Figure 23 U Tube Assembly Overview 26 of 73 ...

Страница 30: ...be Layout Overview SECTION 7 U TUBE HEATER INSTALLATION Model ATH15UT ATH20UT ATH25UT ATH30UT ATH35UT ATH40UT ATH45UT ATH50UT Reflector Overlap approx 1780 mm 250 mm 250 mm 580 mm 580 mm 580 mm 690 mm 690 mm 27 of 73 ...

Страница 31: ...preader Bar 07260010 Step 7 3 Burner Tube and Fan Tube Installation Description Part Number Burner Tube 03051100 Fan Tube S5127W 28 of 73 Bow Shackle Suspension Chain Spreader Bar Threaded Bar NOTE Spreader bar must be used on single suspension point installations Do not hang heater from spreader bar Bow Shackle Washers Bolt Torque 13 5 Nm 129 in lb Suspension Chain Tube and Reflector Hanger Optio...

Страница 32: ... 4 U Tube Support Bracket Assembly Installation Note Tube clamp package should be installed 100 mm from burner tube plate Other hangers do not need tube clamp packages 29 of 73 U bolt Tight to Bracket Fan Tube U bolt Tight to Tube Burner Tube U tube Standard U tube Opposite 45 U bolt Tight U bolt 100 mm u bolt secured to burnertube with M6 lockwashers Loose U bolt 100 mm u bolt secured to bracket ...

Страница 33: ...slide bar coupling lock onto coupling Slide Bar Wide End Coupling 76 mm to 101 mm C Insert tubes into coupling Orient coupling so that the impact block is in the 2 00 or 10 00 o clock positions Tube Tube D Tighten coupling to join tubes Slide Bar Coupling Tube Step 7 5 1 Coupling and Tube Assembly Continued 30 of 73 Repeat Step 7 5 A D until all tubes areassembled Tighten slide bar as shown below ...

Страница 34: ...embly Coupling U tube SECTION 7 U TUBE HEATER INSTALLATION Step 7 6 Tube Installation Step 7 7 U Tube Installation Description Part Number Coupling 01329600 Slide Bar Coupling Lock 01329700 U Tube 01335901 31 of 73 Weld Spot Coupling Tube ...

Страница 35: ...flector Installation Description Part Number Reflector 02750303 32 of 73 WARNING Fire Hazard Support reflector with reflector hanger and support strap Reflector must not touch tube Failure to follow these instructions can result in death injury or property damage Reflector ...

Страница 36: ...ors a combination of U clips and reflector supports are used The positioning of reflector supports and U clips depend on the individual installation Use either pop rivets or sheet metal screws instead of U clips when installing end caps and joint pieces in areas where impact and high wind may be a factor The following rules must be observed Description Part Number Reflector Support Package 0305001...

Страница 37: ...r during installation operation and service Edges are sharp Failure to follow these instructions can result in injury AIRA ATH INSTALLATION OPERATION AND SERVICE MANUAL SECTION 8 MULTIBURNER CONFIGURATION INSTALLATION 8 1 Initial Assembly See Page 13 Section 6 for linear heater assembly instructions See Page 25 Section 7 for U tube heater assembly instructions Check layout drawings for location of...

Страница 38: ...I Damper Typical Tee 100 X 100 X 100 Cross 100 X 150 X 100 X 150 Cross 100 X 150 X 100 X 150 ID ID Sleeve 100 mm Hanger Reducer 100 X 150 I ATH25ST I ATH25ST I ATH25ST NOTE Be sure to silicone seal all manifold joints SECTION 8 MULTIBURNER CONFIGURATION INSTALLATION Figure 26 Typical Manifold Layout Linear and U Tube Configuration I 35 of 73 ...

Страница 39: ...shown for clarity For details see Page 21 Step 6 5 Gasket Burner Lock Washer Bolt Torque 13 5 Nm 120 in lb Description Part Number Bolt 94273914 Lock Washer 96411600 Gasket 02568200 Burner 0720XXXX Step 9 2 Fan Assembly Description Part Number Fan Assembly 072600XX Vent Adapter 9071060X Screw E00075XX Inlet Gasket not shown 90710703 36 of 73 ...

Страница 40: ...SECTION 9 BURNER FAN INSTALLATION 9 3 Linear U Tube Fan Installation Description Part Number Outlet Gasket 90710704 Step 9 4 Double Linear Fan Installation 37 of 73 ...

Страница 41: ...ssembly Horizontal and Vertical Outlets Description Part Number Vertical Exhaust Tee C1324B Horizontal Exhaust Bend C1325B Horizontal Exhaust Sleeve C1326B Horizontal Exhaust Louver S5055F Condensate Cap 4 02718851 Condensate Cap 6 02718852 Non Return Valve 90201200 38 of 73 Suspension Chain Bow Shackle Height Adjuster Fan Assembly Tee Weld Spot ...

Страница 42: ...Step 9 6 Condensate Drain Assembly SECTION 9 BURNER FAN INSTALLATION 39 of 73 Description Part Number Condensing Check Valve 0137001 ...

Страница 43: ...ON AND SERVICE MANUAL SECTION 10 OPTIONAL HEATER ACCESSORIES 40 of 73 WARNING Cut Pinch Hazard Wear protective gear during installation operation and service Edges are sharp Failure to follow these instructions can result in injury ...

Страница 44: ...or Hanger Reflector Support Reflector Side Extension Bracket 2 per reflector Use additional supports in high air movement applications Description Part Number Reflector Side Extension Package S7377K Reflector Side Extension 01368000 Retainer Clips 02751200 Reflector Side Extension Bracket 01329910 Step 10 1 2 Side Reflector Installation 41 of 73 ...

Страница 45: ...r Center the accessory joint piece on the mark and scribe its contour on the reflector Scribe the location of the mounting holes Step 10 2 4 Use six 8 sheet metal screws to attach the joint piece Step 10 2 3 Cut away the reflector to clear the tube leaving about 250 mm 1 of material inside the scribed contour to attach the accessory joint Drill or punch six 3 mm diameter holes in reflector in the ...

Страница 46: ...ription Part Number Aluminium Grille 610 mm X1220 mm 91407000 Step 10 3 2 Frame Shield Installation Step 10 3 3 Reflector Side Extension Installation for Decorative Grilles Distance A Extension Minimum Maximum Part No Width 40 150 mm 01370408 200 mm 150 260 mm 01370412 300 mm 260 370 mm 01370416 400 mm 43 of 73 ...

Страница 47: ... 4 1 Silicone Cap Installation Description Part Number Grille Section 08050001 Grille End Cap 08050002 Silicone Cap 91915951 6P Step 10 4 2 Grille End Cap Installation Grille Grille End Cap A B Pull outward C Bend up 90 D Step 10 4 3 Grille Installation 44 of 73 Reflector 1010 mm Final Grille Section Grille Grille End Cap ...

Страница 48: ...cription Part Number Mesh Guard 2438 mm E0009855 Mesh Guard 1524 mm C2329B Strap Stainless Steel S5218W Step 10 5 2 Fastener Installation Description Part Number Nut Spire C1088B Screw 8 x 3 8 C1089B Step 10 5 3 Mesh Guard Connection 45 of 73 Strap Stainless Steel Tube and Reflector Hanger Reflector Tube Reflector Support ...

Страница 49: ...ndershield Reflector Package 1220 mm S7399K Assembly Hanging Bracket C0318B Stud M6 x 90 C0693B Nut M6 C0090B Undershield Reflector Package 2438 mm S7399A Undershield reflector 2438 mm R1299B Nut M6 C0090B Shield Support Bracket 0751700 Description Part Number Undershield Reflector Package 1220 mm S7399K Undershield Reflector 1219 mm C0521B Nut M6 C0090B Shield Support Bracket 02751700 Undershield...

Страница 50: ...ware Installation The wall mounting brackets must be attached to a suitable wall through all mounting holes Screw sizes less than M8 5 16 may not be used In order for the wall Figure 27 U Tube Horizontal SECTION 10 OPTIONAL HEATER ACCESSORIES mounting brackets to adequately carry the weight of the heater it must be installed with best building practice Model Quantity of Wall Mounting Brackets Mode...

Страница 51: ...AIRA ATH INSTALLATION OPERATION AND SERVICE MANUAL Figure 28 U Tube Angle Mounted Figure 29 Linear 48 of 73 ...

Страница 52: ...190 x 75 hole 150 mm dia 11 1 4 Flueless Installation If the heater is being installed in an area where combustion products can be dissipated within the building ensure that the fan outlet is horizontal and away from the burner Where installation is close to a wall perimeter system or other obstruction close to the fan outlet or wall angle mounted install the heater so that the fan tube is the fur...

Страница 53: ...Section 11 1 3for recommendations on duct length Air duct should be as straight as possible Do not use bends in excess of 45 Consult the manufacturer if more than 2 x 45 offset bends are necessary The fresh air duct must be self supporting 11 3 1 Air Supply Requirements When fresh air duct is used follow one of these rules The flue must penetrate the roof while fresh air can penetrate any wall See...

Страница 54: ...take Spigot Description Part Number Dust Arrest Baffle 07230000 Fresh Air Intake Spigot 07260000 Figure 33 Air Supply with Flue Configurations 11 4 Common Duct When using a common air inlet duct always ensure that the area of the common air inlet duct represents the area of all air ducts SECTION 11 VENTING 51 of 73 C12 C32 C62 ...

Страница 55: ...age 53 Figure 34 The gas hose accommodates expansion of the heating system and allows for easy installation and service ofthe burner Before connecting the burners to the supply system verify that all high pressure testing of the gas piping has been completed There is an expansion of the tube with each firing cycle This will cause the burner to move with respect to the gas hose This can cause a gas...

Страница 56: ...llowance See Page 71 Section 18 2 3 Shut Off Valve a JJ bl a JJ included with 80mm a JJ hose must be to burner gas i 80 mm displ shown is for th condition This displacement reduce when the system is fired Flexible GasHose 1000 mm length max displacement Side View Heater Movement INCORRECT POSITIONS WRONG INSTALLATION Heat e r Move ment Heat e r Move ment bdbl DDD c J I a JJ Heate r Movement Heate ...

Страница 57: ...is affected by interruption of the main power inlet See Page 54 Section 13 1 through Page55 Section 13 4 for the external wiring details for the single burner double linear and multiburner heater systems All wiring must comply with current wiring regulations and any local regulations which may apply Always switch off the supply to the burner and disconnect by removing the plug before removing the ...

Страница 58: ...13 WIRING 13 3 Typical External Wiring Diagram Double Linear Option 2 13 4 Typical External Wiring Diagram Multiburner 55 of 73 L N 230 V 1 Ø Controller or Thermostat L N Earth Earth Burner 1 Fan Burner 2 50 Hz ...

Страница 59: ...ARTH STUD AUTOMATIC CONTROL UNIT Joo oo D D brown blue ELECTRODE purple sense GAS VALVE Optional Volt Free Connecter Dotted line wires are anoption Mans Inlet Lockout Indicator Connector b rown E A1 40 yellow 0 1 Volt Free Relay 20 yellow 0 2 blue 0A2 30 Connector Iooooooor looooor f lffl 0 AUTOMATIC CONTROL UNIT Fan Connection 0 0 I If any of the original wire as supplied with the heater must be ...

Страница 60: ... service Edges are sharp Failure to follow these instructions can result in death electric shock injury or property damage Figure 35 Sequence of Operation Chart NOTE If the heater operates for more than 24 hours continuously the ignition module will automatically recycle the burner to ensure that all safety functions are still in working condition 14 1 Heater Lockout Indication Optional In case of...

Страница 61: ...eater 2 ENSURE that all the dampers are in the fully open position 58 of 73 3 With the gas supply off at each of the burners and the electrical supply isolated open the control chamber secured by two self tapping screws 4 Ensure that all time clocks and thermostats areset to call for heat 5 Switch on the electrical supply at the main isolator This will start the exhaust fan 6 Balancing Cold Vacuum...

Страница 62: ...SECTION 14 OPERATION system is unflued any reduction in the natural ventilation of the building may require a flue to be fitted or additional ventilation grilles will be required 59 of 73 ...

Страница 63: ...flanged burner tube Unscrew the securing screw on the fan flange spigot The fan can now be removed 15 1 2 Burner and Fan Removal Maintenance Remove the fan and burner independently to floor level and clean both items internally using a soft brush and compressed air if available Take care not to damage the internal parts of the burner Check fan impeller for cleanliness and free rotation The electro...

Страница 64: ...ns of your Aira equipment and perform service where necessary using only replacement parts sold and supplied by Aira The Vicinity of the Heater Do not store or use flammable objects liquids or vapours near theheater Immediately remove these items if they are present See Page 5 Section 3 Vehicles and Other Objects Maintain the clearances to combustibles Do not hang anything from or place anything o...

Страница 65: ...sure the heater is hanging securely Look for signs of wear on the chain or ceiling See Page 11 Section 5 Sports Hall Guard Decorative and Protective Grilles optional The grille must be securely attached If the grille is loose or off contact a contractor qualified in the installation and service of gas fired heating equip ment for repair Check that side reflector extensions are installed correctly ...

Страница 66: ...62 of 73 ...

Страница 67: ...cts liquids and vapors the minimum required clearances to combustibles away from heater Some objects will catch fire or explode when placed close to heater Explosion Hazard Turn off gas supply to heater before service Burn Hazard Allow heater to cool before service Tubing may still be hot after operation Cut Pinch Hazard Wear protective gear during installation operation and service Edges are shar...

Страница 68: ...es Unplug burner Does the fan turn freely No Fan bearings may have No Is the fan obstructed Yes Is there spark at the igniter No Unplug burner and check Is the igniter gap Is the flue pipe or Yes electrode and ignition wire No Are they damaged Yes Replace electrode and ignition wire as needed set at 3 mm No Carefully reset gap to 3 mm Yes the inlet of the Yes Removeobstruction burner obstructed No...

Страница 69: ...g the No automatic control unitOK Yes Replace automatic control unit Replace Correct wires Ignition module may have failed Replace module Yes Does theburner stay on Is the continuity of the earth wireestablished No Yes Are the Live and Neutral reversed Yes Is the wiring at the module properly connected No Yes Isthe insulation onthe electrode sensorleads OK No Yes Does the burner turn off when the ...

Страница 70: ...r diagramsonthemotorand automatic reset in the installationmanual Yes After 20 second pre purge Is there spark at the igniter No Unplug burner and check electrode and ignition wire No Are the y damaged Yes Istheigniter gap set at 3mm No Yes Is the flue pipe or the inlet of the burner obstructed No Yes Remo ve obstruction Replace electrode and ignition wire asneeded CarefuIlyreset gap to 3 mm Repla...

Страница 71: ...s Are the Live andNeutral Is the wiring at the Isthe insulation onthe reversed No Yes No No Yes Re establish continuity Reverse polarity Re establish connections Replace Co rrect Wires Is thesystem leaking water Yes No Do the burners turn off when the call for heat ends No Yes Is the vacuum setting too low Yes Adjust system for proper vacuum See Specification Section Check the control panel Are th...

Страница 72: ...ssure Setting Governor Adjustment Screw behind cover Manometer 6 5 4 3 2 1 Governor orifice pressure 0 while burner is running See Page 73 Section 18 10 1 1 2 3 4 5 6 6 5 4 3 2 1 Gas Supply pressure while burner is running See Page 73 Section 18 10 1 1 2 3 4 5 6 68 of 73 0 ...

Страница 73: ... all safety systems are in working order before leaving the heater to operate Minor faults may be traced by using the troubleshooting charts Page 63 Section 16 through Page 68 Figure 16 3 69 of 73 DANGER WARNING Electrical Shock Hazard Explosion Hazard Fire Hazard Carbon Monoxide Hazard Use only genuine Aira replacement parts per this installation operation and service manual Failure to follow the...

Страница 74: ...0 F Gas Valve 90033101 N S Flue Collar 100 mm 91911700 G Governor Screw N A N S Outside Air Mounting Plate 07261000 H Outlet Pressure Tap N A N S 8 x 3 8 Washer Head Screw 94118106 I Flex Manifold 03090702T N S Burner Tube Gasket 02568200 J Star Washer 96212100 N S Wire Purple 12 5 07250007 K Jet Orifice N A N S Wire Harness ATH Gas Valve 07250006 See Page 73 Section 18 10 1 L Burner Cup Assembly ...

Страница 75: ...2 ATH 50 Model McMillan N1398A ATH 30DL 40DL 50DL 60DL 70DL Model McMillan N1398A Multiburner Model Airflow 83 BWLG Model Airflow 90 BWTL Consult the manufacturer for availability of alternate fans 18 3 2 Flue When fitted the flue must be 100 mm or greater in diameter and must conform to National Codes The flue must be self supporting Inlet must be 100 mm diameter Multiburner Flue must be 150 mm d...

Страница 76: ...4 Overall Heater Length mm 13462 19558 19558 25654 25654 Weight kg 82 110 110 136 136 Heated Area m2 50 315 65 420 80 525 100 630 110 740 Minimum Installation Height mm 3500 3500 3500 3500 4600 Recommended Installation Height mm 3500 3600 3900 4200 4800 18 9 U Tube Heater ATH ATH ATH ATH ATH ATH ATH ATH Input Gross MJ h 54 72 90 108 126 144 162 180 Input Net MJ h 48 6 64 8 81 97 2 113 4 129 6 145 ...

Страница 77: ...Jet Numbers 30 3 8 mm 19 4 7 mm 9 3 2 B Jet Numbers 46 2 3 mm 37 33 3 1 mm 3 3 mm 29 26 Gas Consumption 1 43 1 91 2 38 2 86 3 34 3 81 4 29 4 76 Gas Consumption Propane m3 h kg h Gas Consumption 0 56 1 08 0 75 1 44 0 94 1 80 1 13 2 16 1 32 2 52 1 51 2 88 1 69 3 25 1 88 3 61 Butane m3 h 0 43 0 57 0 72 0 86 1 00 1 15 1 29 1 43 Governor Pressure 21 4 19 7 19 2 17 4 18 2 17 9 16 9 18 4 Governor Pressur...

Страница 78: ...property damage Maintain clearance to the side and clearance below the heater from vehicles and combustible materials Aira Ply Ltd Head Office 144 Colchester Road Kilsyth VIC 3137 Telephone 61 3 9839 8000 Fax 61 3 9761 4732 www aira com au Aira Pty Ltd New Zealand Unit B 50 Keeling Road Henderson Auckland Telephone 09 835 2100 Fax 09 835 2201 www aira com au Installation Code and Annual Inspection...

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