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York P2DHX16F12001 - page 1
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 LOCATION OF UNIT ............................... ...
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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. REFER TO THIS MANUAL FOR ASSISTANCE OR ADDITIONAL INFORMATION, CON- SULT A QUALIFIED INSTALLER, SER- V ...
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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. The sub-ba ses provide a mea ns of effec- tively mat ing the supply air plenum w ith ...
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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. The furnace must be suppor ted in such a way as ...
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York P2DHX16F12001 - page 5
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. B Chimney Cap or ventilator. Observatio n Remove C C oping restrict s opening. Observatio n Mak ...
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York P2DHX16F12001 - page 6
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 1.20 240 275 320 365 1.50 240 275 320 365 1.65 235 270 300 345 Chimney Height (ft.) Nozzle 11 20 ...
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York P2DHX16F12001 - page 7
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. The servi ce switch i s nec- essary if rea c hing t he circuit breaker involves be coming close t o the furnace, or if the fur nace is lo cated betw een the circuit ...
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York P2DHX16F12001 - page 8
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). The ceraf elt fiber ...
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York P2DHX16F12001 - page 9
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 11.5% to 13.5%. After the air adju stments have been completed, a nd the air shutte r or air ad- ...
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York P2DHX16F12001 - page 10
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.). Be sure th at the homeow ner knows when to quit try ing to start the furnace during these conditions a ...
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York P2DHX16F12001 - page 11
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 0.65 / 80°A 100 PSIG 0.65 GPH F3 1 3-3/8 in. P3DHX 12F08001 90,000 AF76BNHS 0.75 / 80°A 100 P ...
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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. CFM Range 1 Tons 2 MOTOR HP Clg. CFM Range 60,000 Low Med-Low 615 - 7 90 78,000 Med-Low Med-H igh 799 - 1027 P3DHX 12F08001 90,000 GT10 D D 1/2 Med-H igh High 922 - 1 185 3 1/2 690 - 1200 9 ...
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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 7.7 70° - 90°F Low 721 7 ...
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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. All dimensi ons in inche s. ...
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York P2DHX16F12001 - page 15
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. 1 Add 8-½ inc hes to allow for oil burner, (54- ½ inches total) . All dimensi ons in inche ...
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York P2DHX16F12001 - page 16
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. 1 Add 8-½ inc hes to allow for burner, (30-¾ inche s total). Add 8-¾ ...
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York P2DHX16F12001 - page 17
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. 1 Add 8-½ inc hes to allow for burner, (30-¾ inche s total). All dim ensions in inche s. ...
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York P2DHX16F12001 - page 18
18 WIRING DI A GR A M : M ODEL P3DHX12F08001 WIRING DI A GR A M : M ODEL P2DHX16F12001 ...
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19 WIRING DI AGRAM: M ODEL P2LBX16F1 4501 WIRING DI AGRAM: M ODEL P4LBX20F1 9001 ...
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York P2DHX16F12001 - page 20
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). 1) When flame i s ...
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York P2DHX16F12001 - page 21
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. THERMOS ...
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York P2DHX16F12001 - page 22
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. N ORMAL C ONDITIONS : The LED diagnost ic light will turn on when the bur ner ente ...
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York P2DHX16F12001 - page 23
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. N/A N/A 2. Check for line voltage power at the oil pri mary control. Voltage shoul d be 12 ...
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York P2DHX16F12001 - page 24
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. 4. Replace cad cell with new cad cell and re check. 5. If indicator ligh t does not ...
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York P2DHX16F12001 - page 25
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. • Remove ex isting cad cell and replace w ith new cad cell. • Disconne ct all wires from ...
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York P2DHX16F12001 - page 26
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. Repair light leak if nec essary. See Table C -2. Furnace wi ...
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York P2DHX16F12001 - page 27
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. Speed up blower fan if necessary. Poor “fan off” d elay timing se - lectio ...
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York P2DHX16F12001 - page 28
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. Ch eck system temper ature rise. If temperat ure rise ...
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York P2DHX16F12001 - page 29
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. 1VP1280 Vesti b ...
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York P2DHX16F12001 - page 30
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 Panel, Inner Front 7 Door, B lower Access 7A Handle, Door 7B Bezel, Logo 7C Label, Logo 8 Panel Assembly, Top 9 Ass e m bly, Heat Exchanger 10 Bracket, ...
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York P2DHX16F12001 - page 31
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 upport, Base Heat Exchanger 6 Panel, Front 7 Door, Blower Access 7A Handle, Door 7B Bezel, Logo 7C Label, Logo 8 Panel, End 9 A ssembly, Heat Exchanger 10 ...
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York P2DHX16F12001 - page 32
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, Logo 6B Label, Logo 7 Door, Bl ower Access 7A Handle, Door 8 Panel, Front Door 9 Panel, Top Front 10 Heat Exchanger Assembly 11 Flue Pipe Assembly 1 ...
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York P2DHX16F12001 - page 33
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, Right S ide (Blow er Com partment) 5 P anel, Upper Rear (Blower Compartment) 6 Panel, Blow er Partition 7 P anel Assembly, Base (Heating C om partment) 8 ...
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York P2DHX16F12001 - page 34
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. • Visit our webs ite at www.source1parts.c ...
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York P2DHX16F12001 - page 35
35 NOTES ...
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York P2DHX16F12001 - page 36
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, 660.08-N1U (0300) Unitary Products Group Norman OK 73069 5005 York Drive ...
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