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Printed on 100 % recycled paper 

 

11/13 

Oil Furnaces 

PLB-098 LOW-BOY

 

 

KEEP THESE INSTRUCTIONS 

WITH FURNACE FOR FUTURE 

REFERENCE.

Furnace Manual 

 

Contents

 

Page

 

 

Read this first! ............................................................................ 2 

1.

 Installation.................................................................................. 3 

2.

 Operation ................................................................................. 11 

3.

 Maintenance ............................................................................ 12 

4.

 Checkout 

procedure................................................................. 14 

5.

  Dimensions and Ratings .......................................................... 16 

6.

  Components and replacement parts........................................ 21 

7.

 Owner’s 

information ................................................................. 25 

 

 

Hazard definitions 

Hazards that 

will cause severe

 personal injury, 

death or substantial property damage. 
 
Hazards that 

can cause severe

 personal injury, 

death or substantial property damage. 

 

 

 
 
 
 
 

 
 
 

Do not store or use gasoline or other flammable 
liquids or vapors near this furnace or any other 
appliance. 
Ventilate house while operating furnace for the first 
time. Odors may be emitted for a brief period. 
 
Do not alter this furnace in any way. The 
manufacturer will not be liable for any damage 
resulting from changes made in the field to the 
furnace or its components or from improper 
installation. Failure to comply could result in severe 
personal injury, death or substantial property 
damage. 

Hazards that 

will or can cause minor

 personal 

injury or property damage. 
 
Special instructions on installation, operation or 
maintenance that are important but not related to 
personal injury or property damage. 

 

 
 
 
 
 
 
 
 
 
 
 

This manual must only be used by a 

qualified 

heating installer / service technician.

 Furnace and 

burner must be installed and serviced only by a 
qualified heating installer / service technician. 
Failure to comply could result in severe personal 
injury, death or substantial property damage. 

 

When calling or writing about the furnace – Please 
indicate furnace model number and serial number 
from rating label. You may list the serial number and 
model number in the space provided on the 
“Installation and service certificate” found on page 
15. 

If your furnace is shut down during the cold weather season, water pipes may freeze, burst and cause serious water 
damage. Turn off the water supply and bleed the pipes 

If the heater is left unattended during the cold weather season, take the following precautions: 
Close the main water valve in the house and purge the pipes if possible. Open all the faucets in the house; 
Ask someone to frequently check the house during the cold weather season to make sure that there is sufficient heat to 
prevent the pipes from freezing. Tell this person to call an emergency number if required. 

USER

 – Please read the following. Failure to 

comply could result in severe personal injury, death 
or substantial property damage. 

 

This manual is for the sole use by your 
qualified heating installer / service 
technician. 

  Please see the 

Owner’s information

 only, on 

the back page of this manual. 

  Have the furnace serviced by a qualified service 

technician, at least once a year. 

INSTALLER 

– Read all instructions before 

installing. 

Read page 2 first.

 Follow all 

instructions in proper order to prevent personal 
injury or death. 

 Consider ducting, fuel supply, venting and 

installation when determining furnace location. 

  Any claims for damage or shortage in shipment 

must be filed immediately against the 
transportation company by the consignee.

 C    

US 

Summary of Contents for PLB-098 LOW-BOY

Page 1: ...y could result in severe personal injury death or substantial property damage When calling or writing about the furnace Please indicate furnace model number and serial number from rating label You may...

Page 2: ...bows 20 Always connect and seal a return air duct to the furnace unless the furnace is located in a large space such as an unpartitioned basement Route the return air duct to an adjacent room if no re...

Page 3: ...to a hazardous electrical condition and to premature failure of the equipment The minimum clearances from combustible material for each of the positions are specified in Table 1 If the furnace is inst...

Page 4: ...to the burner manufacturer s instructions Also the burner must be installed always in the same way independently of the furnace orientation 1 Position the mounting gasket between the mounting flange a...

Page 5: ...re the draft is either high or variable due to external conditions Follow the instructions provided with the regulator 1 5 4 Side wall Venting The heating unit is approved for side wall venting This s...

Page 6: ...xposure to the following substances a Permanent wave chemicals for hair b Chlorinated waxes and cleaners c Chlorine based swimming pool chemicals d Water softening chemicals e De icing salts or chemic...

Page 7: ...furnace installed with a 4 tons air conditioning evaporator coil Heating mode airflow is still 1050 CFM Cooling mode air flow use Equation 3 4 CFM 4 x 400 1600 CFM The larger number is 1600 CFM cooli...

Page 8: ...7 6 6 900 14 58 41 31 25 21 19 17 14 12 11 10 9 8 8 7 7 7 1000 16 64 45 34 28 23 20 18 15 13 11 10 9 9 8 8 7 7 1100 16 72 49 38 30 25 22 19 16 14 12 11 10 9 9 8 8 7 1200 16 54 41 33 27 24 21 17 15 13...

Page 9: ...600 12 59 38 28 22 19 16 15 13 700 12 69 44 32 25 21 18 16 15 13 800 14 50 36 29 24 20 18 16 14 900 14 56 41 32 26 22 20 18 15 1000 16 63 45 35 29 24 22 19 17 15 1100 16 69 49 38 31 26 23 21 18 16 120...

Page 10: ...he position of the wires on the electronic board of the unit and consult the wiring diagrams If the heating and air conditioning speeds are the same the RED wire must be moved to UNUSED LEADS on the e...

Page 11: ...BVSO is installed according to instructions for chimney venting 4 The oil supply valve is open 5 The burner Reset button is well pushed in or re armed 6 The preliminary air adjustments on the burner...

Page 12: ...ise is lower or exceeds the temperature specified in Table 10 change to the next lower or higher blower speed tap until the temperature rise falls to the target If the excessive temperature rise canno...

Page 13: ...6 Re mount lock and fasten the control box with the 2 screws removed in step 4 7 Re attach the assembly cover with the screws removed in step 2 8 Re establish power to the unit 3 3 CLEANING OF THE BUR...

Page 14: ...rough furnace checked not to exceed 85 F and the blower speed adjusted if necessary 19 Was the thermostat heat anticipator set per wiring diagram 20 Was the burner started and tested per burner manual...

Page 15: ..._____________________________Date installed_____________________________ Installation instructions have been followed Checkout sequence has been performed Above information is certified to be correct...

Page 16: ...000 0 70 MED HIGH HIGH 1255 1180 77 000 65 000 0 55 98 000 81 000 0 70 Model Input BTU h Blower motor HP Blower motor Speed adjustment 3 0 1 2 HP ECM 1 3 HP 4 speeds PLB098 DD PLB098 VS 10 x 10 Outpu...

Page 17: ...h Firing rate USGPH AFUE Nozzle Delavan Pump pressure PSIG Burner tube insertion length Inch Combustion air adjustment Turbulator Damper 77 000 0 55 86 6 0 50 70A 150 0 2 0 98 000 0 70 85 2 0 60 70A...

Page 18: ...1 ON 2 ON 1 5 600 660 540 SW4 DELAY DIP switch position HEAT INPUT USGPH PreRun On Delay CFM Level Time ShortRun On Delay CFM Level Time Off Delay CFM Level Time A 1 OFF 2 OFF 0 7 13 45 sec 19 30 sec...

Page 19: ...PLB 098 Oil Furnaces Furnace Manual 11 13 19 5 DIMENSIONS AND RATINGS continued Figure 9 Wiring Diagram 4 Speed Motor PSC...

Page 20: ...PLB 098 Oil Furnaces Furnace Manual 20 11 13 5 DIMENSIONS AND RATINGS continued Figure 10 Wiring Diagram Variable Speed Motor ECM...

Page 21: ...PLB 098 Oil Furnaces Furnace Manual 11 13 21 6 COMPONENTS AND REPLACEMENT PARTS Figure 11 Parts List With 4 Speed motor PSC B50126A...

Page 22: ...B03549 ELECTRICAL BOX 29 R02R008 HIGH LIMIT CTL205 30F 7 in 30 B03550 ELECTRICAL BOX COVER Panel only 31 B03118 01 ELECTRICAL KIT BVSO EXT 32 B03596 BURNER WIRE CHANEL 33 Z06G001 BLOCKED VENT SHUT OF...

Page 23: ...PLB 098 Oil Furnaces Furnace Manual 11 13 23 6 COMPONENTS AND REPLACEMENT PARTS continued Figure 12 Parts List With variable speed motor ECM B50127A...

Page 24: ...AL BOX SPACER 28 B03534 ELECTRICAL BOX 29 R02R008 HIGH LIMIT CTL205 30F 7 in 30 B03550 ELECTRICAL BOX COVER Panel only 31 B03118 01 ELECTRICAL KIT BVSO EXT 32 B03596 BURNER WIRE CHANEL 33 Z06G001 BLOC...

Page 25: ...f the furnace oil burner should shut down on flame failure the burner primary control will lock out Ask your service technician to show you the correct procedure to reset the primary control button NE...

Page 26: ...PLB 098 Oil Furnaces Furnace Manual 26 X40205 Rev B 11 13...

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