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MODEL

MOTOR

PULLEY

EXTERNAL STATIC PRESSURE, INCHES W.C.

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

1.10

1.20

P4UCB30N12206

 High Static Drive

Closed

3382

3277

3084

2925

2760

2625

2465

1 Open

3740

3623

3477

3356

3227

3032

2869

2659

2347

2232

2096

3 Open

3573

3396

3237

3074

2873

2724

2360

1922

5 Open

3032

2848

2683

2422

2283

1905

  Airlfow is expressed in standard cubic feet per minute.

u

  Operation at these conditons will cause excessive furnace furnace temperature rise

✚ 

Operation at these conditions will cause motor overload

NOTES:

  Return air is through both sides.

 Air filters installed

  Motor voltage at 230V

  For bottom only return, reduce rating by 6%.

BLOWER PERFORMANCE

650.64-N4

14

Unitary Products Group

Summary of Contents for P4UCB30N12206

Page 1: ...hone in your building Extinguish any open flame Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department UPFLOW GAS FIRED FURNACE INDUCED DRAFT INSTALLATION INSTRUCTION Supersedes 650 64 N3Y 992 650 64 N4Y 195 035 11008 CAUTION THIS PRODUCT MUST BE INSTALLED IN STRICT COM PLIANCE WITH THE ENCLOS...

Page 2: ...s 4 Paper bags boxes or other paper products WARNING Never operate the furnace with the blower door removed To do so could result in serious personal injury and or equipment damage WARNING Each furnace in this series is a Category I furnace suitable for common venting with other gas fired appliances as allowed by the National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition WARNING This appliance ...

Page 3: ...to obtain proper air for combustion and ventilation in confined spaces 1 Air Source from Inside the Building Two permanent openings one within 12 inches of the top of the confined space and one within 12 inches of the bottom shall each have a free area of not less than one square inch per 1 000 Btuh of total input rating of all appliances located in the space The openings shall com municate freely...

Page 4: ...h Velocity Filter Size Weight lbs HP Size Side Bottom P4UCB30N12206 30 60 180 1 1 2 15 x 13 10 5 15 12 2 16 x 26 30 x 26 293 NOTES 1 Filters must be high velocity type 2 All applications require return air from both side inlets and or bottom TABLE 2 RATINGS PHYSICAL ELECTRICAL DATA FIGURE 1 FURNACE DIMENSIONS Model A B C D E F P4UCB30N12206 32 1 4 30 3 4 31 1 2 49 3 4 51 13 5 32 1 An adapter is su...

Page 5: ... Fuel Gas Code ANSI Z223 1 or CAN CGA B149 1 or 2 Installation Code latest editions The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the common venting system are not in operation 1 Seal any unused openings in the common venting system 2 Inspect venting system for propersize andhorizontalpitch as r...

Page 6: ... furnace This will expose the fiter to allow removal to re install the filter simply reverse this procedure For bottom filter removal use the following procedure Remove the toe piece at the bottom of the furnace by removing the four sheet metal screws holding it in place and slide the filter out of the furnace To install the filter reverse this proce dure Side Return Locate and knock out the squar...

Page 7: ... 70 latest edition Canadian Electric Code C22 1 Part 1 latest edition and or local codes Electrical wires which are field installed shall conform with the tempera ture limitation for 63 F 35 C rise wire when installed in accord ance with instructions Specific electrical data is given on the furnace rating plate Provide a power supply separate from all other circuits Install overcurrent protection ...

Page 8: ... addi tional procedures 1 When the gas supply is initially connected to the furnace the gas piping may be full of air In order to purge this air it is recommended that the ground joint union be loosened until the odor of gas is detected When gas is detected immediately retighten the union and check for leaks Allow five minutes for any gas to dissipate before continuing with the start up procedure ...

Page 9: ...the heat exchanger could occur 5 Once the correct gas pressure to the burners has been established turn the gas valve knob to OFF and turn the electrical supply switch OFF then remove the pressure tap at the gas valve and re install the plug using a com pound on the threads resistant to the action of LP gases 6 Turn the electrical and gas supplies back on and with the burners in operation check fo...

Page 10: ...G Do not attempt to relight this furnace by hand with a match or any other means There may be a potential shock hazard from the components of the hot surface ignition system The furnace can only be lit automatically by its hot surface ignition system The following describes the sequence of operation of the furnace Refer to the schematic wiring diagrams pages 14 15 for component locations CONTINUOU...

Page 11: ...rs may be cleaned by rinsing in hot water 9 Reassemble the burners in the reverse order making sure the burner shield is tightened securely in place Cleaning the Heat Exchanger 1 Turn off the main manual gas valve external to the furnace 2 Turn off electrical power to the furnace 3 Remove the upper access door 4 Disconnect wires from HSI sensor rollout switch and HSI igniter Remove igniter careful...

Page 12: ...stem s response Then use the Trou bleshooting Table on page 16 to check the system s operation Use the table by reading the upper left hand box and then following the instructions in each box If the condition described in the box is true yes answer go down to the next box If the condition is not true no answer go to the box to the right C o ntinue checking and answering the questions in the boxes ...

Page 13: ...WIRING DIAGRAM 650 64 N4 Unitary Products Group 13 ...

Page 14: ...pen 3573 3396 3237 3074 2873 2724 2360 1922 5 Open 3032 2848 2683 2422 2283 1905 Airlfow is expressed in standard cubic feet per minute u Operation at these conditons will cause excessive furnace furnace temperature rise Operation at these conditions will cause motor overload NOTES Return air is through both sides Air filters installed Motor voltage at 230V For bottom only return reduce rating by ...

Page 15: ...venter NO NO YES Hot surface igniter begins to glow Main burner lights NOTE Before troubleshooting familiarize yourself with the startup and checkout procedures Check for 25vac on 50E47 acrosss MV terminals If no voltage replace 50E47 Check electrical connections between 50E47 gas valve If Okay replace gas valve Place jumper on between C NC pressure switch 1LP Check hoses connected to pressure swi...

Page 16: ...ry Products Group P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in U S A Copyright by York International Corporation 1995 All Rights Reserved Code SBY 650 64 N4Y 195 ...

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