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Section 7 - Air Supply Installation

Visit our website at: www.lanair.com

General Requirements

Install an air pressure supply line connection to the air filter/regulator on the rear of the
heater.

The air supply source must be capable of producing 2.0 CFM @ 60 PSI.

Install a shut off valve in the air supply line for service.

Install a primary air filter/regulator with a gauge (capable of reading line pressure) in the
air supply line prior to the air filter/regulator mounted on the furnace. The primary air fil-
ter/regulator is

not supplied

with the furnace.

If the primary air regulator does not have a filter with a bowl, a condensate drain leg
must be installed in the air supply line.

Install a quick disconnect at the air filter/regulator on the furnace for service.

For the ease of installation install a flexible air line (.250 I.D. minimum) from the quick
disconnect to the primary air regulator.

The air supply line must be pitched uphill from the primary regulator to the furnace to
prevent condensation from entering your burner.

Open all air shut off valves, and set the primary air regulator at 30 PSI.

10.

Set the air filter/regulator on the front of the furnace to 15 LBS. See illustration below
(Fig. 5) for a typical air pressure supply installation.

Figure 5

Section 13 - Service / Maintenance

QUESTIONS?... Contact Customer Service at 1-800-753-1601 M-F 8:00 am- 4:15 pm CST

Maintenance - Air Pre-Heater

Remove Pre-Heater Assembly

• Disconnect the air line from the

brass fitting on the air pre-heater
and then from

the air solenoid and remove.

• Disconnect wiring from the oil pre-

heater cartridge, air pre-heater
cartridge and snap disc assembly in
the wiring junction box.

• Disconnect fuel line and fitting (6)

from the oil block (5).

• Disconnect fuel pressure gauge (8)

and fitting from the oil block (5).

• Remove button hex screw (14) and

washer (11).

• Lift pre-heater assembly and care

fully pull straight back. Remove
entire assembly from the burner.

• Remove ignitor assembly (6).

2. Remove Diaphragm Assembly

from Air Pre-Heater

• Carefully place pre-heater assembly

in a vice.

NOTE:

Do not damage

pre-heater.

• Unscrew diaphragm assembly (19)

from air pre-heater and set aside.
Remove o-ring and discard.

3. Remove Adapter Assembly

• Remove hex cap screws (17) and set adapter

assembly aside.

4. Remove Plunger , Spring and Cartridge Heater

• Remove spring (13) from plunger (15) and discard.
• Using a hook or screwdriver, carefully remove Viton

insert (14) and discard.

• Remove and discard 1/4" o-ring (10) and 11/16" o-

ring (11).

• Loosen and remove cartridge heater and set aside.

5. Remove Nozzle Assembly and Quad Ring

• Remove nozzle assembly (3) using a 9/16" wrench.
• If quad ring (4) does not come out with nozzle, care

fully remove it and discard.

Ref.

Part

No.

Qty.

Description

9853

turbulator

7004

set screw

9757

nozzle Heater 260/300

9870

quad ring (K)

9814

air pre-heater block

3730

ignitor assembly

9870

hex cap screw *

7418

flat washer

3726

connector

9870

1/4" o-ring *

9870

11/16" o-ring *

9856

air cartridge heater

9870

spring *

9870

Viton insert *

9835

plunger

9838

Adapter block assembly

9870

hex head cap screw *

9871

1/2" o-ring (K)

9871

diaphragm assembly **

9871

hex head cap screw **

oil pre-heater block

* contained in tune up kit 9870

** contained in tune-up kit 9871

Remove wires from the block by
inserting a flat tip screwdriver into the
top slot. Push tip all the way down
and carefully push forward. Remove
wire.

Содержание DUCTABLE DHI-300

Страница 1: ... Boilers 4109 Capital Circle Janesville Wisconsin 53546 608 752 1601 www lanair com Lanair Waste Oil Heaters Boilers 4109 Capital Circle Janesville Wisconsin 53546 608 752 1601 www lanair com 2006 Martrade LLC Lanair is a registered trademark of Martrade LLC P N L44 REVISED 1 06 Listed MH 14518 N ...

Страница 2: ...ed photos diagrams and illustrations before beginning installation or operation These instructions should be fol lowed closely to achieve the best possible results If you have questions or concerns at any time during the installation stop the installation and contact a Lanair Service Representative Check to make sure you have all the required components needed for proper installation and operation...

Страница 3: ...T Combustion chamber heat exchanger must be maintained in accordance with the installation operat ing instructions This extended warranty does not cover normal wear items such as gasket material chamber inserts nuts bolts labor costs etc The warranty card must be returned within ten 10 days of purchase date in order for this warranty to be valid Warranty is limited to original purchaser MANUFACTUR...

Страница 4: ...trol 8 Waste Oil Fuel Oil Switch 9 Quick Disconnect Receptacle 10 Air Supply Inlet 11 Combustion Blower Motor Burner Assembly Performance Ratings Voltage 115 vac Cycles 60 hz Total Operating Amperage 5 8 Weight 31 lbs Oil Primary 0 2 amps Pre Heater Block 2 6 amps Ignitor Transformer 0 3 amps Installation Notes Visit our website at www lanair com 49 10 11 9 8 7 6 5 4 3 2 1 DHI Series Burner NOTE T...

Страница 5: ...is properly installed 3 Plugged heat exchanger 3 Clean heater including manifold or chimney manifold and chimney 4 Wrong air pressure 4 See flame adjustment pages 29 31 5 Wrong fuel pressure or 5 See flame adjustment pressure fluctuating pages 29 31 See fuel piping page 17 6 Improper combustion blower 6 See flame adjustment setting or blower is defective pages 29 31 See fuel piping page 17 7 Oil p...

Страница 6: ...l defective Test component B Burner attempts to fire 1 Low oil in supply tank or 1 Fill tank or drain and but does not establish a contaminated fuel clean tank flame 2 Plugged or worn nozzle 2 Clean or replace 3 Fuel pressure gauge 3 See section 6 Page 17 fluctuating pumping system 4 Pre heater switch is turned off 4 Turn switch on or test or defective or defective switch and cartridge heater cart...

Страница 7: ...lube Orifice in nozzle is becoming plugged Reading drops to 0 PSI when the burner is off Dirt between the diaphragm and the seat in the by pass regulator Dirt between the plunger and the nozzle seat Leak in the plumbing connections Leak in the pre heater assembly damaged or missing o ring Fuel pre heater switch is off Steps to check the air operated fuel valve Disconnect the two transformer wires ...

Страница 8: ...ll wires Do not run the heater with the cad cell wires disconnected Disabling the air operated fuel valve Note Most trouble shooting tests will require the air operated fuel valve to be disabled to do this Adjust the heater air filter regulator to 0 PSI Install jumper wire Vacuum Gauge reading hints No reading 0 1 HG Pump not operating Pump air locked and needs priming Refer to section 10 Vacuum l...

Страница 9: ... use a power vent to overcome a down draft positive pressure An adequate make up air system is required when exhaust fans are used consult your heating contractor Section 14 Troubleshooting QUESTIONS Contact Customer Service at 1 800 753 1601 M F 8 00 am 4 15 pm CST 44 Initial Diagnosis When an operating problem occurs a determination must be made whether or not the fuel pump is pumping a sufficie...

Страница 10: ... small plug spring large plug washer and diaphragm 4 Thoroughly clean and dry remaining parts 5 Re assemble using new small plug spring large plug washer and diaphragm Kit P N 9874 NOTE Pay close attention to the posi tions of the large and small plugs adjusting screw locking nut cap small plug spring large plug washer diaphragm body Fuel By Pass Regulator Assembly 1 Chimney Cap 2 Chimney Pipe 3 C...

Страница 11: ...r shovel the ash from the combus tion chamber Inspect the combustion chamber and target brick Use care when cleaning the combustion chamber area so the target brick is not disturbed Insufficient or irregu lar cleaning intervals will cause inefficiency random shutdowns and extreme damage to the combustion chamber 6 Before replacing the gun chamber access doors replace the white gasket seals on the ...

Страница 12: ...t have its own separate Class A chimney 3 Inspect and maintain the chimney on an annual basis Section 13 Service Maintenance Visit our website at www lanair com 41 Cleaning Combustion Chamber Heat Exchanger 1 Turn thermostat to the lowest setting the heater must be completely cool to the touch before attempting to clean the heater place the fan limit on the manual position to start the fan and sho...

Страница 13: ...ng Follow chimney manufacturer s instruction 16 The chimney must be capable of producing a negative 02 W C draft when cold and 06 W C draft when hot Refer to Section 5 Draft Instructions Refer to Section 3 10 for typical Chimney Installation HORIZONTAL VERTICAL NOTE Barometric Damper may be mounted horizontally or vertically Angle gate pins must be horizontal level or parallel to floor for proper ...

Страница 14: ...ssembly from the burner housing Disassemble and clean all parts as instructed on pages 34 37 3 Using a 1 4 wrench carefully remove the one piece ignitor from the air pre heater 4 Install a new one piece ignitor P N 3730 to the top of the air pre heater NOTE The tips of the ignitor should be 3 8 above the center of the nozzle assembly and should extend approximate ly 1 8 beyond the end of the nozzl...

Страница 15: ...need to be cleaned more frequently Your vacuum gauge will help you determine when the filter needs cleaning The vacuum gauge reading should not exceed 5 HG of vacuum If it does the strainer needs cleaning 1 Disconnect power to the heater 2 While holding the lower housing unscrew the center bolt on the top of the suction line strainer 3 Rinse the filter and lower housing in solvent 4 Air dry the st...

Страница 16: ...it our website at www lanair com 37 Maintenance OIl Pre Heater cont 3 Clean Oil Pre Heater Block Clean oil pre heater block using a parts washer and brush NOTE Make sure all passages are clean Blow dry the oil pre heater block inspect ALL passages making sure they are clear and clean 4 Reassemble Oil Pre Heater Replace four 13 16 OD o rings 4 with new Replace cartridge heater NOTE Do not over tigh...

Страница 17: ...rainer and the pick up tube to allow for service on the pick up tube 10 Install the check valve arrow facing towards the pump on the bottom of the pick up tube 11 Install a vacuum gauge in the suction line This gauge will indicate when service is need ed on the strainer pump or connections 12 Install a 1 2 inside diameter 493 steel pipe or 1 2 outside diameter copper from the fuel by pass regulato...

Страница 18: ...el supply pump Install 1 2 O D min copper tubing or 1 2 schedule 40 pipe Failure to install this line properly will result in damage to your heater and will void your warranty Bottom View of the Aluminum Oil By Pass Regulator Figure 4 Section 13 Service Maintenance Visit our website at www lanair com 35 Maintenance Air Pre Heater cont 6 Clean all parts using a parts washer All passages must be tho...

Страница 19: ... cartridge and snap disc assembly in the wiring junction box Disconnect fuel line and fitting 6 from the oil block 5 Disconnect fuel pressure gauge 8 and fitting from the oil block 5 Remove button hex screw 14 and washer 11 Lift pre heater assembly and care fully pull straight back Remove entire assembly from the burner Remove ignitor assembly 6 2 Remove Diaphragm Assembly from Air Pre Heater Care...

Страница 20: ...lectrical service to the heater MUST be stranded 12 GA minimum 6 Install a manual service disconnect near the heater and label its function 7 The supply voltage must be maintained at a minimum 110 VAC 8 The electrical conductors from the main electri cal service must be within approved conduit 9 Keep all electrical conductors and conduit away from the chimney connector as well as any other hot sur...

Страница 21: ...ash build up and flame NOTE Wear ade quate eye face and breathing protec tion MONTHLY Check combustion chamber and heat exchanger Clean if necessary Inspect fire brick NOTE Wear protec tive clothing ade quate eye face and breathing protec tion Do not breathe dust from the combustion chamber Wash thoroughly with soap and water after cleaning chamber Clean the chimney chimney connector and barometri...

Страница 22: ...shed with the ther mostat 3 Use two conductor thermostat wire for the connection of the thermostat to the T T ter minals of the oil primary control that is mounted on top of the burners electrical box 4 Mount the thermostat 5 feet above the floor on an inside wall away from the heater s warm air path 5 The electrical current for thermostat is 24 V and is provided by the oil primary control 6 Keep ...

Страница 23: ...e deter mined and corrected before further use over firing the unit is normally what causes this condition The Fan Limit Control is located on the top on the front of the cabinet Barometric Draft Control The Barometric Draft Control automatically maintains a pre set chimney draft and is locat ed in the chimney connector Air Filter Regulator The Air Filter Regulator performs two functions It remove...

Страница 24: ...By Pass regulator is located in the line between the outlet side of the pump and the burner Fuel Supply Pump The Fuel Supply Pump pumps fuel from your oil storage tank to the burner The Fuel Supply Pump should be located as close to the fuel supply tank as possible The Fuel Supply Pump must be mounted horizontally Shaft Section 12 Flame Adjustment Visit our website at www lanair com 29 Flame Adjus...

Страница 25: ...l to flow into the container for several minutes This will flush any debris from the fuel line that could potentially plug the nozzle The vacu um gauge reading should not exceed 5 HG of vacuum Figure 8 Remove two yellow wires Figure 9 Install jumper wire Section 11 Burner Start Up Procedure QUESTIONS Contact Customer Service at 1 800 753 1601 M F 8 00 am 4 15 pm CST 28 15 Adjust the fuel pressure ...

Страница 26: ...he air supply line to 30 PSI 5 Set the fan limit control slide switch to automatic 6 Check the combustion air adjustment baffle for proper setting Refer to Section 15 Flame adjustment 7 Set the room thermostat below room temperature OFF 8 Push the reset button on the oil primary control for 3 seconds 9 Turn the main electrical service ON 10 Flip the lighted rocker switch for preheating on the burn...

Страница 27: ...he air supply line to 30 PSI 5 Set the fan limit control slide switch to automatic 6 Check the combustion air adjustment baffle for proper setting Refer to Section 15 Flame adjustment 7 Set the room thermostat below room temperature OFF 8 Push the reset button on the oil primary control for 3 seconds 9 Turn the main electrical service ON 10 Flip the lighted rocker switch for preheating on the burn...

Страница 28: ...l to flow into the container for several minutes This will flush any debris from the fuel line that could potentially plug the nozzle The vacu um gauge reading should not exceed 5 HG of vacuum Figure 8 Remove two yellow wires Figure 9 Install jumper wire Section 11 Burner Start Up Procedure QUESTIONS Contact Customer Service at 1 800 753 1601 M F 8 00 am 4 15 pm CST 28 15 Adjust the fuel pressure ...

Страница 29: ...By Pass regulator is located in the line between the outlet side of the pump and the burner Fuel Supply Pump The Fuel Supply Pump pumps fuel from your oil storage tank to the burner The Fuel Supply Pump should be located as close to the fuel supply tank as possible The Fuel Supply Pump must be mounted horizontally Shaft Section 12 Flame Adjustment Visit our website at www lanair com 29 Flame Adjus...

Страница 30: ...e deter mined and corrected before further use over firing the unit is normally what causes this condition The Fan Limit Control is located on the top on the front of the cabinet Barometric Draft Control The Barometric Draft Control automatically maintains a pre set chimney draft and is locat ed in the chimney connector Air Filter Regulator The Air Filter Regulator performs two functions It remove...

Страница 31: ...shed with the ther mostat 3 Use two conductor thermostat wire for the connection of the thermostat to the T T ter minals of the oil primary control that is mounted on top of the burners electrical box 4 Mount the thermostat 5 feet above the floor on an inside wall away from the heater s warm air path 5 The electrical current for thermostat is 24 V and is provided by the oil primary control 6 Keep ...

Страница 32: ...and pri mary regulator Inspect the combus tion ash build up and flame NOTE Wear ade quate eye face and breathing protec tion MONTHLY Check combustion chamber and heat exchanger Clean if necessary Inspect fire brick NOTE Wear protec tive clothing ade quate eye face and breathing protec tion Do not breathe dust from the combustion chamber Wash thoroughly with soap and water after cleaning chamber Cl...

Страница 33: ...lectrical service to the heater MUST be stranded 12 GA minimum 6 Install a manual service disconnect near the heater and label its function 7 The supply voltage must be maintained at a minimum 110 VAC 8 The electrical conductors from the main electri cal service must be within approved conduit 9 Keep all electrical conductors and conduit away from the chimney connector as well as any other hot sur...

Страница 34: ... cartridge and snap disc assembly in the wiring junction box Disconnect fuel line and fitting 6 from the oil block 5 Disconnect fuel pressure gauge 8 and fitting from the oil block 5 Remove button hex screw 14 and washer 11 Lift pre heater assembly and care fully pull straight back Remove entire assembly from the burner Remove ignitor assembly 6 2 Remove Diaphragm Assembly from Air Pre Heater Care...

Страница 35: ...el supply pump Install 1 2 O D min copper tubing or 1 2 schedule 40 pipe Failure to install this line properly will result in damage to your heater and will void your warranty Bottom View of the Aluminum Oil By Pass Regulator Figure 4 Section 13 Service Maintenance Visit our website at www lanair com 35 Maintenance Air Pre Heater cont 6 Clean all parts using a parts washer All passages must be tho...

Страница 36: ...rainer and the pick up tube to allow for service on the pick up tube 10 Install the check valve arrow facing towards the pump on the bottom of the pick up tube 11 Install a vacuum gauge in the suction line This gauge will indicate when service is need ed on the strainer pump or connections 12 Install a 1 2 inside diameter 493 steel pipe or 1 2 outside diameter copper from the fuel by pass regulato...

Страница 37: ...it our website at www lanair com 37 Maintenance OIl Pre Heater cont 3 Clean Oil Pre Heater Block Clean oil pre heater block using a parts washer and brush NOTE Make sure all passages are clean Blow dry the oil pre heater block inspect ALL passages making sure they are clear and clean 4 Reassemble Oil Pre Heater Replace four 13 16 OD o rings 4 with new Replace cartridge heater NOTE Do not over tigh...

Страница 38: ...need to be cleaned more frequently Your vacuum gauge will help you determine when the filter needs cleaning The vacuum gauge reading should not exceed 5 HG of vacuum If it does the strainer needs cleaning 1 Disconnect power to the heater 2 While holding the lower housing unscrew the center bolt on the top of the suction line strainer 3 Rinse the filter and lower housing in solvent 4 Air dry the st...

Страница 39: ...ssembly from the burner housing Disassemble and clean all parts as instructed on pages 34 37 3 Using a 1 4 wrench carefully remove the one piece ignitor from the air pre heater 4 Install a new one piece ignitor P N 3730 to the top of the air pre heater NOTE The tips of the ignitor should be 3 8 above the center of the nozzle assembly and should extend approximate ly 1 8 beyond the end of the nozzl...

Страница 40: ...ng Follow chimney manufacturer s instruction 16 The chimney must be capable of producing a negative 02 W C draft when cold and 06 W C draft when hot Refer to Section 5 Draft Instructions Refer to Section 3 10 for typical Chimney Installation HORIZONTAL VERTICAL NOTE Barometric Damper may be mounted horizontally or vertically Angle gate pins must be horizontal level or parallel to floor for proper ...

Страница 41: ...t have its own separate Class A chimney 3 Inspect and maintain the chimney on an annual basis Section 13 Service Maintenance Visit our website at www lanair com 41 Cleaning Combustion Chamber Heat Exchanger 1 Turn thermostat to the lowest setting the heater must be completely cool to the touch before attempting to clean the heater place the fan limit on the manual position to start the fan and sho...

Страница 42: ...r shovel the ash from the combus tion chamber Inspect the combustion chamber and target brick Use care when cleaning the combustion chamber area so the target brick is not disturbed Insufficient or irregu lar cleaning intervals will cause inefficiency random shutdowns and extreme damage to the combustion chamber 6 Before replacing the gun chamber access doors replace the white gasket seals on the ...

Страница 43: ... small plug spring large plug washer and diaphragm 4 Thoroughly clean and dry remaining parts 5 Re assemble using new small plug spring large plug washer and diaphragm Kit P N 9874 NOTE Pay close attention to the posi tions of the large and small plugs adjusting screw locking nut cap small plug spring large plug washer diaphragm body Fuel By Pass Regulator Assembly 1 Chimney Cap 2 Chimney Pipe 3 C...

Страница 44: ... use a power vent to overcome a down draft positive pressure An adequate make up air system is required when exhaust fans are used consult your heating contractor Section 14 Troubleshooting QUESTIONS Contact Customer Service at 1 800 753 1601 M F 8 00 am 4 15 pm CST 44 Initial Diagnosis When an operating problem occurs a determination must be made whether or not the fuel pump is pumping a sufficie...

Страница 45: ...ll wires Do not run the heater with the cad cell wires disconnected Disabling the air operated fuel valve Note Most trouble shooting tests will require the air operated fuel valve to be disabled to do this Adjust the heater air filter regulator to 0 PSI Install jumper wire Vacuum Gauge reading hints No reading 0 1 HG Pump not operating Pump air locked and needs priming Refer to section 10 Vacuum l...

Страница 46: ...lube Orifice in nozzle is becoming plugged Reading drops to 0 PSI when the burner is off Dirt between the diaphragm and the seat in the by pass regulator Dirt between the plunger and the nozzle seat Leak in the plumbing connections Leak in the pre heater assembly damaged or missing o ring Fuel pre heater switch is off Steps to check the air operated fuel valve Disconnect the two transformer wires ...

Страница 47: ...l defective Test component B Burner attempts to fire 1 Low oil in supply tank or 1 Fill tank or drain and but does not establish a contaminated fuel clean tank flame 2 Plugged or worn nozzle 2 Clean or replace 3 Fuel pressure gauge 3 See section 6 Page 17 fluctuating pumping system 4 Pre heater switch is turned off 4 Turn switch on or test or defective or defective switch and cartridge heater cart...

Страница 48: ...is properly installed 3 Plugged heat exchanger 3 Clean heater including manifold or chimney manifold and chimney 4 Wrong air pressure 4 See flame adjustment pages 29 31 5 Wrong fuel pressure or 5 See flame adjustment pressure fluctuating pages 29 31 See fuel piping page 17 6 Improper combustion blower 6 See flame adjustment setting or blower is defective pages 29 31 See fuel piping page 17 7 Oil p...

Страница 49: ...trol 8 Waste Oil Fuel Oil Switch 9 Quick Disconnect Receptacle 10 Air Supply Inlet 11 Combustion Blower Motor Burner Assembly Performance Ratings Voltage 115 vac Cycles 60 hz Total Operating Amperage 5 8 Weight 31 lbs Oil Primary 0 2 amps Pre Heater Block 2 6 amps Ignitor Transformer 0 3 amps Installation Notes Visit our website at www lanair com 49 10 11 9 8 7 6 5 4 3 2 1 DHI Series Burner NOTE T...

Страница 50: ...T Combustion chamber heat exchanger must be maintained in accordance with the installation operat ing instructions This extended warranty does not cover normal wear items such as gasket material chamber inserts nuts bolts labor costs etc The warranty card must be returned within ten 10 days of purchase date in order for this warranty to be valid Warranty is limited to original purchaser MANUFACTUR...

Страница 51: ...ed photos diagrams and illustrations before beginning installation or operation These instructions should be fol lowed closely to achieve the best possible results If you have questions or concerns at any time during the installation stop the installation and contact a Lanair Service Representative Check to make sure you have all the required components needed for proper installation and operation...

Страница 52: ... Boilers 4109 Capital Circle Janesville Wisconsin 53546 608 752 1601 www lanair com Lanair Waste Oil Heaters Boilers 4109 Capital Circle Janesville Wisconsin 53546 608 752 1601 www lanair com 2006 Martrade LLC Lanair is a registered trademark of Martrade LLC P N L44 REVISED 1 06 Listed MH 14518 N ...

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