Instruction/ maintenance manual of the product P4LBX20F19001 York
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1 OIL-FIRED W A RM A IR FURN A CE P3DHX1 2F08001 P 2DHX16F12 001 (Downflow or Horizontal Models) P2LBX16F 14501 P4L BX20F19 001 (Lowboy Models) INTRODUCTION ............................................................. 2 HEAT LOSS ....................
2 IMPROPER INSTALLATION MAY CRE- ATE A CONDITION W HERE THE OP- ERA TIO N OF THE PRODUC T COU LD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE. IMPROPER INSTALLATION, ADJUST- MENT, ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE INJURY OR PROPERTY DAMAGE.
3 DOWN-FLOW INSTALLATION All P*DHX furnace models have been assembled for instal lation in the down- flow posit ion. Maintain al l clearances to combustibl es as outlined in Table 1. P*DHX models hav e available sub-bases for installat ions on com bustible floor s.
4 SUSPENDED INST ALLA T ION Refer to Figure 1. M aintain clearances to combustibl es as outlined in Table 1. T he furnace may be su spended by field fabr i- cating a cradle of a ngle iron and threaded r od. Secure the furn ace with 2 inch minimu m slotted angle or equiva- lent, as show n in Figure 1.
5 Fig. 2: Common Ch imne y Problems Table 2: Common Chimne y Problems Refer to Figur e 2 Key Tr ouble Diagnosti c Remedy A Top of ch imney lower than sur- rounding ob- jects Observatio n Extend ch imney above all s ur- rounding ob- jects w ithin 30 feet.
6 Table 3: Minimum Chimney Base Temperatures (°F) Chimney Height (ft.) Nozzle 11 20 28 36 Chimney Thermal Resistan ce < R6 0.50 300 400 535 725 0.65 275 340 430 535 0.75 260 320 380 475 0.85 250 300 355 430 1.00 245 300 355 430 1.10 245 290 345 400 1.
7 ers and hum idifiers may be included on the furnace circu it. Although a suitab ly located circ uit breaker can be used as a service switch, a sep arate serv ice switch is advisab le.
8 OIL BURNER P*LBX furnace s are equipped w ith Beckett AF Serie s oil burners with the Beckett CleanCut pump and R7184B oil primary contro l. P*DHX furnaces are equipped w ith Beckett AF Series oi l burners w ith the R8184N oil pr imary con- trol. The oil burner mu st align properly with the cer afelt fiber chamber (fire pot).
9 Check the oi l pump press ure. Standard operating pressure is 100 PSI G. After reaching ste ady state, take a smoke test . If not indica ting a trace, s et the combust ion air controls t o provide a trace. Typically , the CO 2 reading w ill range from 11.
10 IMPORTANT : Be sure that the home owner know s where the burner reset switch is located, and is aw are that the reset switc h is not to be activated mor e than once w ithout a thorough look for the cause of the pr oblem, (lac k of fuel, etc.
11 T A BLE A-1: BECKETT OIL BURNER SET-UP BECKETT AF SERIES OIL BURNERS FURNACE MODEL OUTPUT BTU/Hr. BURNER MODEL NOZZLE (Delavan) PUMP PRESSURE FLOW RATE HEAD STATIC PLATE 60,000 3 AF76BNHS 0.50 / 80°A 100 PSIG 0.50 GPH F3 1 3-3/8 in. 78,000 2 AF76BNHS 0.
12 T A BLE A-2: DIRECT DRI VE BLOWER SET -UP BLOWER SET-UP COOLING CAPACITY 0.20 in. w.c. 0.50 in. w.c. FURNACE OUTPUT BTU/Hr. BLOWER MOTO R HP Speed Speed Htg.
13 T A BLE A-4: DIRECT DRI VE BLOWER CH A RACTERISTICS CFM External Static Pres sure – inches w.c. FURNACE MODEL BLOWER MO TOR HP MOTOR FLA TEMP. RISE ( ∆ ∆ ∆ ∆ T) SPEED 0.20 0.30 0.40 0.50 0.60 High 1469 1386 1308 1213 1123 Med-H igh 1377 1308 1224 1143 1063 Med-Low 1088 1075 1038 985 916 P3DHX 12F08001 GT10 ½ 7.
14 GENER A L DIMENSIONS - P2LBX16F 14501 Cabinet Plenum Opening s Flue Wi dt h (A) Depth (B) Height (C) Supply Air (D x E) Return Air (D x G) Gap (F) Dia. (H) Height (J) Filter Shipping We ig h t 22 51-½ 41 20-½ x 18- ⅝ 20-½ x 18- ⅝ 1-¾ 6 34- ⅜ 20 x 25 x 1 290 lb.
15 GENER A L DIMENSIONS - P4LBX20F 19001 Cabinet Plenum Opening s Flue Wi dt h (A) Depth (B) Height (C) Supply Air (D x E) Return Air (D x G) Gap Dia. (H) Height (J) Filter (2) Shipping We ig h t 26 46 1 56 24 x 22 24 x 22 2- ⅝ 7 50-¼ 20 x 25 x 1 390 lb.
16 GENER A L DIMENSIONS - P3DHX12F 08001 Cabinet Plenum Opening s Flue Return Air Wi dt h (A) Depth (B) Height (C) Supply Air (D x E) Top (K x L) Side (F x G ) Dia. (H) Height (J) Filter Shipping We ig h t 22-¼ 22-¼ 1 54-¾ 19 x 19 18 x 18 18 x 18 5 28-¼ 20 x 20 x 1 263 lb.
17 GENER A L DIMENSIONS - P2DHX16F 12001 Cabinet Plenum Opening s Flue Wi dt h (A) Depth (B) Height (C) Supply Air (D x E) Return Air (F x G ) Dia. (H) Height (J) Filter Shipping We ig h t 22-¼ 22-¼ 1 62-¼ 20-¾ x 20-¾ 18 x 18 6 37-¼ 20 x 20 x 1 320 lb.
18 WIRING DI A GR A M : M ODEL P3DHX12F08001 WIRING DI A GR A M : M ODEL P2DHX16F12001.
19 WIRING DI AGRAM: M ODEL P2LBX16F1 4501 WIRING DI AGRAM: M ODEL P4LBX20F1 9001.
20 R7184 D ETAILED SEQUE NCE OF OPER A T ION Power is app lied to unit. The R7184 completes a self-diagnosti c procedure. If no light or flame i s pr esent, and unit p asses its self- diagnost ic procedure, the c ontrol enters int o the idle mode . Thermostat c alls for heat : A) Safety check is made f or flame (4 second d elay).
21 IDLE STATE THERMOSTAT CALLS FOR HEAT SAFETY CHECK FOR FLAME (5 SEC .) BURNER MOTOR & IGNITOR START SOLENOID VALVE OPENS TRIAL FOR IGNITION 15 SEC . BURNER FLAME MONITORED CARRYOVER STATE • Provides con tinuous spark • LED diagno stic light ON • Start Carr y over Timer CARRYOVER TIMER E XPIRES RUN STATE • I g nitor turns o ff.
22 R7184 LED DIAGNOST IC LIGHT The LED diagnos tic light has several function s. It indicate s the state or mode in which t he oil burner i s op erating. It will also indicat e fault conditions , and help determine cad cell resista nce while the burner is operatin g.
23 T A BLE C-2: R7184 T ROUBLESHOOTING Condition: Burner motor does not start w hen there is a call for h eat. Procedure Status Corrective Action 1. Check that limit switche s are closed and contac ts ar e clean. This in cludes the burner motor re set button.
24 Table C-2: R718 4 Troubleshooting continued from previous page Procedure Status Correctiv e Action Indicator lig ht turns off. Eliminat e external light so urce or permane ntly shield cad cell. 4. Shield cad cell from exter- nal light . Indicator light stay s on.
25 Table C-2: R718 4 Troubleshooting continued from previous page Procedure Status Correctiv e Action Indicator lig ht is on. Remount contro l onto burner housi ng. Go to step 6. 10. Check cad cell. • Disconne ct line voltage power and op en line switch.
26 Table C-3: Sy stem and General Troubl eshooting continued Problem Possible Cause Remedy Photo Cell w iring shorted or room light l eaking into p hoto cell compa rtment Check photo cell (cad cell) w iring for short circuits. Also , check for room light leaking into cad cell co mpartment.
27 Table C-3: Sy stem and General Troubl eshooting continued Problem Possible Cause Remedy System tem perature rise to o high. System temperat ure rise ideally should not exceed 85°F. Check for clogged air fil ters. Check blow er fan for excess dirt bui ld-up or debris.
28 Table C-3: Sy stem and General Troubl eshooting continued Problem Possible Cause Remedy Airflow blo cked or dirty air fil- ter. Clean or replac e air filter. Supply air t emperature too hot. Insufficient airflow. Check all d ampers. Open cl osed dampers includ ing register s in unused rooms.
29 The above diagra ms show typical ap- proaches to fram ing the rough size open- ing for the P*DH X series furnace s. Be sure to follow local building code re- quirements w ith respect to fra ming modi- fication s. P3DHX1 2F08 001 V EST IBUL E KIT When the P3DHX12F080 01 furnace is install ed in the downflow positi on, the Part No.
30 REPAIR PART LIST – P3DHX12F08001A ITEM DESCRIPTIO N 1 Assem bly, Right S i de Panel 2 A ssembly, Left Side P anel 3 P anel, Rear 4 Assem bly, Blow er Divis ion Panel 5 Asse m bly , Base Panel 6 P.
31 REPAIR PART LIST – P2DHX16F12001A ITE M DESCRIPTIO N 1 S ide Panel, Right and Left (2 Req’d) 2 S ide Panel (Heat Exchanger (2 Req’d) 3 Panel, Rear 4 A ssembly, Blower Division Panel 5 S uppor.
32 REPAIR PART LIST – P2LBX16F14501A ITE M DESCRIPTIO N 1 Panel, Side (Left) 2 Panel, Side (Right) 3 Panel, Rear (Upper) 4 Panel, Blower Division 5 Panel Assembly, Base 6 Panel, Inner Front 6A Bezel.
33 REPA IR PA RT LIST – P4LB SERIES ITE M DESCRIPTIO N 1 P anel, Left Side (Heating Compartment) 2 P anel, Right Side (Heating Co m partment) 3 P anel, Left Side (Blower Compart m ent) 4 Panel, Righ.
34 REPL ACEMENT P ART CONT ACT INFORM A TI ON This is a generic parts lis t. T o request a com plete part s list, ref er to the c ontact inf orm ation below: • Call Consum er Relations at 1-877-874-7 378. Follo w the instructions to contact t he departm ent and/or repr esen- tative that can assist you.
35 NOTES.
36 Subject to change without notice. Printed in U.S.A. Copyright © by York International Corp. 2003. A ll rights reserved 035-14289-001 Rev. A (0503) Supersedes 035-14289-000, 660.
An important point after buying a device York P4LBX20F19001 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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However, one of the most important roles played by the user manual is to help in solving problems with York P4LBX20F19001. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York P4LBX20F19001 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
