Williamson-Thermoflo PLB-112 LOW-BOY Manual Download | Manualshive

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PLB-112

Oil Furnaces

–

Furnace Manual

11/13

21

6.

COMPONENT AND REPLACEMENT PARTS

Figure 11: Parts List - With 4 Speed motor PSC

B50128A

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Summary of Contents for PLB-112 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 ins...

Page 4: ...r 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...

Page 5: ...where 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 Th...

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: ...nstalled 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 cooling so the...

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: ...same the RED wire must be moved to UNUSED LEADS on the electronic board and the jumper provided with the BLUE wire must be used between the HEAT and COOL terminals The blower start stop delays can be...

Page 11: ...he blower rail locking screws are well tightened 3 The Blocked Vent Shut Off BVSO is installed according to instructions for chimney venting 4 The oil supply valve is open 5 The burner Reset button is...

Page 12: ...himney installation and 0 05 to 0 17 W C for direct vent installation A high pressure condition may be caused by excessive combustion air due to the air band being too wide open or a lack of flue draf...

Page 13: ...heat exchanger and combustion chamber should be inspected to determine if replacement is required 8 After the cleaning replace the heat exchanger baffles flue collar plate and oil burner 9 Readjust t...

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: ...__________ Serial number __________________________________ Date installed ___________________________ Installation instructions have been followed Checkout sequence has been performed Above informati...

Page 16: ...zing Maximum fuse size amps Ship weight pounds PLB 112 DD 55 75 1 x 20 x 20 or 2 x 16 x 20 115 60 1 12 6 15 2 20 195 PLB 112 VS 60 72 1 x 20 x 20 or 2 x 16 x 20 115 60 1 12 2 14 7 15 195 0 25 w c 0 50...

Page 17: ...112 VS Model Input BTU h Firing rate USGPH AFUE Nozzle Delavan Pump pressure PSIG Burner tube insertion length Inch Combustion air adjustment Turbulator Damper 95 200 0 68 86 6 0 60 70A 130 1 2 6 112...

Page 18: ...C 1 OFF 2 ON 3 0 1200 1320 1080 D 1 ON 2 ON 2 5 1000 1100 900 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...

Page 19: ...PLB 112 Oil Furnaces Furnace Manual 11 13 19 5 DIMENSIONS AND RATINGS continued Figure 9 Wiring Diagram 4 Speed Motor PSC...

Page 20: ...PLB 112 Oil Furnaces Furnace Manual 20 11 13 5 DIMENSIONS AND RATINGS continued Figure 10 Wiring Diagram Variable Speed Motor ECM...

Page 21: ...PLB 112 Oil Furnaces Furnace Manual 11 13 21 6 COMPONENT AND REPLACEMENT PARTS Figure 11 Parts List With 4 Speed motor PSC B50128A...

Page 22: ...TER RACK 26 B03553 01 ELECTRICAL BOX SPACER 27 B03549 01 ELECTRICAL BOX 28 R02R003 HIGH LIMIT L195 30F 1 75 in 29 B03550 01 ELECTRICAL BOX COVER Panel only 30 F06F015 ZINC WASHER 1 7 16 31 Z99F061 SIG...

Page 23: ...PLB 112 Oil Furnaces Furnace Manual 11 13 23 6 COMPONENT AND REPLACEMENT PARTS continued Figure 12 Parts List With variable speed motor ECM B50129A...

Page 24: ...ION 25 B03711 01 RIGHT ANGLE FILTER RACK 26 B03553 01 ELECTRICAL BOX SPACER 27 B03534 01 ELECTRICAL BOX 28 R02R003 HIGH LIMIT L195 30F 1 75 in 29 B03550 01 ELECTRICAL BOX COVER Panel only 30 F06F015 Z...

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 112 Oil Furnaces Furnace Manual 26 X40207 Rev B 11 13...

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