Williamson-Thermoflo PLB-112 LOW-BOY Manual

Hide thumbs

Table of Contents

Quick Links

Oil Furnaces

PLB-112 LOW-BOY

KEEP THESE INSTRUCTIONS

WITH FURNACE FOR FUTURE

REFERENCE.

Hazards that will cause severe personal injury,

death or substantial property damage.

Hazards that can cause severe personal injury,

death or substantial property damage.

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

transportation company by the consignee.

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.

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.

Printed on 100 % recycled paper

Hazard definitions

filed

immediately

against

Furnace Manual

Contents

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

1. Installation.................................................................................. 3

2. Operation ................................................................................. 11

3. Maintenance ............................................................................ 13

4. Checkout procedure................................................................. 14

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

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

7. Owner's information ................................................................. 25

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.

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

technician.

•

Please see the Owner's information only, on

the back page of this manual.

the

•

Have the furnace serviced by a qualified service

technician, at least once a year.

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.

heating

installer

service

Page

11/13

Table of Contents

Need help?

Do you have a question about the PLB-112 LOW-BOY and is the answer not in the manual?

Questions and answers

Summary of Contents for Williamson-Thermoflo PLB-112 LOW-BOY

Page 1: Table Of Contents
Oil Furnaces PLB-112 LOW-BOY KEEP THESE INSTRUCTIONS Furnace Manual WITH FURNACE FOR FUTURE REFERENCE. Contents Page Read this first! ................2 1. Installation.................. 3 2. Operation ................. 11 3. Maintenance ................13 4. Checkout procedure..............14 5. Dimensions and Ratings ............16 6.
Page 2: Read This First
READ THIS FIRST! Failure to adhere to the guidelines below can result in severe personal injury, death or substantial property damage. 14. Do not operate furnace if temperature rise through heat Service and maintenance – exchanger exceeds 85°F. To avoid electric shock, disconnect electrical supply before 15.
Page 3: Installation
– Furnace Manual PLB-112 Oil Furnaces 1. INSTALLATION The unit is shipped with a burner and its controls. It requires a 115 The unit must be installed in an area where the ambient and return VAC power supply to the control panel and thermostat hook-up as air temperatures are above 15°C (60°F).
Page 4: Electrical System
PLB-112 – Furnace Manual Oil Furnaces 1.2. ELECTRICAL SYSTEM Figure 4: Thermostat Wiring-Heating & Air The exterior of the unit must have an Conditioning/HeatPump - With ECM Variable Speed Motor uninterrupted ground to minimize the risk of bodily harm, if ever an electrical problem develops.
Page 5: Masonry Chimney
– Furnace Manual PLB-112 Oil Furnaces 1.5. VENTING This device is designed to detect the insufficient evacuation of Poisonous carbon monoxide gas, fire and combustion gases in the event of a vent blockage. In such a case explosion hazard. the thermal switch will shut down the oil burner. The device will Read and follow all instructions in this section.
Page 6: Oil Tank
– Furnace Manual PLB-112 Oil Furnaces Figure 7: BVSO Wiring (OPTIONAL) These conditions will require that only outside air be used for combustion. The following areas or types of structures may contain or be exposed to certain substances, potentially requiring outside air for combustion: Commercial buildings;...
Page 7 PLB-112 – Furnace Manual Oil Furnaces 1.9. CONNECT SUPPLY AND RETURN 1.9.1.2. Determine duct dimensions DUCTS Table 3, page 8 and Table 4, page 9, provide typical round and rectangular duct sizes for rectangular and flat oval galvanized ducts. 1.9.1. Duct sizing Do not apply these tables to size ductwork if the total equivalent 1.9.1.1.
Page 8 – Furnace Manual PLB-112 Oil Furnaces CONNECT SUPPLY AND RETURN DUCTS (continued) 1.9.1 Duct sizing (continued) Table 3: Typical duct sizing for systems not over 100 feet equivalent length – round or rectangular galvanized Typical duct sizing (For approximately 0.10 inch w.c. in a typical residential installation of galvanized metal duct) Rectangular duct equivalent sizes Round Minimum width (inches) for duct heights (inches) of :...
Page 9 – Furnace Manual PLB-112 Oil Furnaces CONNECT SUPPLY AND RETURN DUCTS (continued) 1.9.1 Duct sizing (continued) Table 4: Typical duct sizing for systems not over 100 feet equivalent length – round or flat oval galvanized Typical duct sizing (For approximately 0.10 inch w.c. in a typical residential installation of galvanized metal duct) Flat oval duct equivalent sizes Round Minimum width (inches) for duct heights (inches) of :...
Page 10: Air Filter
– Furnace Manual PLB-112 Oil Furnaces 1.9.2. Ducting 1.11. SUPPLY AIR ADJUSTMENTS Poisonous carbon monoxide gas hazard. (ECM VARIABLE SPEED MOTORS) DO NOT draw return air from inside a closet or On units equipped with ECM variable speed blower motors, the air utility room.
Page 11: Operation
PLB-112 – Furnace Manual Oil Furnaces 1.12.1. Humidifier (HUM) 2.2. OPERATING SEQUENCE The 120 VAC HUM terminal on the electronic board of the blower is OIL HEATING MODE tied directly to terminal 8 of the 9-terminal connector of the electronic board.
Page 12: Combustion Check
PLB-112 – Furnace Manual Oil Furnaces 2.3.3. Combustion Check 2.3.6. Vent Temperature Test After having adjusted the burner combustion, insert a The heat exchanger metal surfaces may have oil thermometer into the test hole in the breech pipe; and the baffle insulation also contains binders. These products will burn or evaporate when the Low flue gas temperatures increase the risk of unit operates for the first time.
Page 13: Maintenance
– Furnace Manual PLB-112 Oil Furnaces 3. MAINTENANCE 3.2. CLEANING THE BLOCKED VENT SHUT- OFF DEVICE (BVSO) (IF INSTALLED) Electrical shock hazard. For continuous safe operation, the Blocked Vent Shut-off device Turn OFF power and fuel to the furnace before (BVSO) must be inspected and maintained annually by a qualified any disassembly or servicing.
Page 14: Checkout Procedure
PLB-112 – Furnace Manual Oil Furnaces 4. CHECKOUT PROCEDURE Furnace selection Furnace operation ..17. Is a / are clean air filter(s) in place? ...1. Heat loss ....... BTU/h at .... °F ..18. Was the temperature rise through furnace checked (not outdoor design temperature.
Page 15 – Furnace Manual PLB-112 Oil Furnaces 4. CHECKOUT PROCEDURE (continued) Installation and service certificate Furnace model _________________________________ Series _________________________________ Serial number __________________________________ Date installed ___________________________ Installation instructions have been followed. Checkout sequence has been performed. Above information is certified to be correct. Information received and left with owner/maintenance person.
Page 16: Dimensions And Ratings
5. DIMENSIONS AND RATINGS Table 10 : Model PLB-112-DD & PLB-112-VS Dimensional data – ALL DIMENSIONS IN INCHES Furnace casing Warm air supply (top) Return air supply (side) Flue pipe Model diam. Width Depth Height Width Depth Width Depth 21" 48"...
Page 17 PLB-112 – Furnace Manual Oil Furnaces DIMENSIONS AND RATINGS (continued) Table 11 : Model PLB-112-DD & PLB-112-VS Burner data BECKET BURNER; MODEL AFG (Chimney) Firing Pump Burner tube Input AFUE Nozzle rate Low firing insertion Static Head/Air pressure Model BTU/h (Delavan) Head USGPH...
Page 18 – Furnace Manual PLB-112 Oil Furnaces DIMENSIONS AND RATINGS (continued) Table 12: Airflow Data, Models with ½ HP PSC Motors EXTERNAL STATIC PRESSURE WITH AIR FILTER BLOWER SPEED 0.2" (W.C.) 0.3" (W.C.) 0.4" (W.C.) 0.5" (W.C.) 0.6" (W.C.) 0.7" (W.C.) 1680 1640 1600...
Page 19 – Furnace Manual PLB-112 Oil Furnaces 5. DIMENSIONS AND RATINGS (continued) Figure 9: Wiring Diagram - 4 Speed Motor (PSC) 11/13...
Page 20 – Furnace Manual PLB-112 Oil Furnaces DIMENSIONS AND RATINGS (continued) Figure 10: Wiring Diagram - Variable Speed Motor (ECM) 11/13...
Page 21: Components And Replacement Parts
PLB-112 – Furnace Manual Oil Furnaces 6. COMPONENT AND REPLACEMENT PARTS Figure 11: Parts List - With 4 Speed motor PSC B50128A 11/13...
Page 22 PLB-112 – Furnace Manual Oil Furnaces 6. COMPONENT AND REPLACEMENT PARTS (continued) Table 14: Parts List - With 4 Speed motor PSC Item Part Description Comments B03690 HEAT EXCHANGER ASSEMBLY Heat exchanger only J06L002 SEAL STRIP DIA 1/8" DIA X 25' B03696 FLOOR ASSEMBLY B03709...
Page 23 – Furnace Manual PLB-112 Oil Furnaces 6. COMPONENT AND REPLACEMENT PARTS (continued) Figure 12: Parts List - With variable speed motor ECM B50129A 11/13...
Page 24 PLB-112 – Furnace Manual Oil Furnaces 6. COMPONENT AND REPLACEMENT PARTS (continued) Table 15: Parts List - With variable speed motor ECM Item Part Description Comments B03690 HEAT EXCHANGER ASSEMBLY Heat exchanger only J06L002 SEAL STRIP DIA 1/8" DIA X 25' B03696 FLOOR ASSEMBLY B03709...
Page 25: Owner's Information
– Furnace Manual PLB-112 Oil Furnaces 7. OWNER’S INFORMATION The furnace must be inspected and started ANNUALLY, at the beginning of the heating season, only by a qualified service technician. The service technician must perform annual service and maintenance on the furnace to ensure reliable operation. Failure to service and maintain the furnace and system could result in equipment failure, causing severe personal injury, death or substantial property damage.
Page 26 – Furnace Manual PLB-112 Oil Furnaces X40207 Rev. B 11/13...

Williamson-Thermoflo PLB-112 LOW-BOY Manual

Quick Links

Need help?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Williamson-Thermoflo PLB-112 LOW-BOY

Summary of Contents for Williamson-Thermoflo PLB-112 LOW-BOY

Table of Contents