Ducane Oil Furnace Manual

Posted on 25-04-2021 by admin

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Ducane Oil Furnace Models
Ducane Furnace Troubleshooting Manual
Ducane Oil Furnace Troubleshooting
Ducane Oil Furnace Troubleshooting
Ducane Oil Furnace Manual
Ducane Furnace

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FEATURES

Heavy-duty14 gauge steel heat exchanger with a durable ceramic fiber combustion chamber

Easy access large diameter clean out ports in heat exchanger

Foil-facedhigh density fiberglass insulation in cabinet reduces heat loss and sound

Cabinet has pre-paintedsteel for maximum durability

Direct drive models have slide-outblower design for easy cleaning and service

4-speedPSC direct drive blower assemblies are dynamically balanced with resilient motor mounts for smooth and quiet operation

Belt drive models have permanently lubricated split phase blower motor, adjustable pulley and sheave

High quality Beckett Flame Retention burner for efficient combustion

High efficiency air flow system to provide consistent operation through all operating conditions

Honeywell 7184B primary control with 15 second pre purge, interrupted ignition, limited reset, and LED diagnostics

Solid state ignition with 20KV output voltage

PSC burner motor with low amp draw and ball bearings for long life

40 VA transformer (Direct drive only)

Transformer and cooling fan relay are factory wired for easy add-oncooling installation (Direct drive only)

Limited life-timewarranty on heat exchanger and five year limited warranty on all parts

Model Number Guide

112/125

20 - 1

R - Product Family

Revision Code

L - Oil

CFM x 1,000

UF - Upflow

D - Direct Drive

B - Belt Drive

80 - 80% AFUE

112/125 x 1,000

C - Series

Btuh Output

Physical and Electrical

Max.
Nom.	Flue	Filter	Time
			Nozzle	Input	Output	AFUE	Volts/	Delay	Trans.	Weight
Model	Cooling	Dia.									Size
			Size	(Btuh)	(Btuh)	(ICS)	Hz/Phase	Breaker	(V.A.)	(lb.)
Capacity	(in.)	(in.)
			or Fuse
(amp)
RLUF80C57/72D12	.50GPH-80oA	70,000	58,000	83	2.0 - 3.0	6	16 x 25	120/60/1	15	40	225
	.65GPH-80oB	90,000	74,000
RLUF80C84/95D16				.65GPH-80oB	105,000	85,000	81	2.5 - 4.0	6	16 x 25	120/60/1	15	40	225
	.75GPH-80oB	119,000	97,000
RLUF80C112/125D20				.85GPH-80oB	140,000	113,000	81	3.0 - 5.0	6	(2) 16 X 252	120/60/1	15	40	275
	1.00GPH-80oB	154,000	125,000
RLUF80C57B08				.50GPH-80oA	70,000	57,000	82	2.0 - 2.51	6	16 x 25	120/60/1	15	123	230
RLUF80C84/95B10	.65GPH-80oB	105,000	85,000	81	2.0 - 3.51	6	16 x 25	120/60/1	15	123	230
	.75GPH-80oB	119,000	97,000
RLUF80C112/125B16				.85GPH-80oB	140,000	113,000	81	4.0 - 5.01	6	(2) 16 x 252	120/60/1	20	123	280
	1.00GPH-80oB	154,000	125,000

1See Table for Alternate Motors for Cooling Combinations

Ducane Oil Furnace Models

2Requires return air be brought to both side above 1600 CFM

3Heating only. Additional transformer required for cooling applications. Note: Units shipped with filter(s) for side return.

Note: All models are rated at 140 psi pump pressure except the RLUF80C57/72 which is rated at 100 psi

Ducane Furnace Troubleshooting Manual

Blower Performance - Belt Drive

Motor	Blower	Motor	Motor	Blower	Belt	Temp.	CFM @ .20
							ext. static
Model		Size	Pulley	Pulley	Pulley	Size		Rise
	Size						pressure
(hp)		(in.)	Adjustment	(in.)	(in.)	(oF)
	in. W.C.
RLUF80C57B08		1/6	10 x 8	3 1/4	1 Turn	7	40	55-85	820
RLUF80C84/95B10	1/4	10 x 8	4	Closed	7	41	55-851	1,170
							60-902
RLUF80C112/125B16	3/4	12 x 9	4	Closed	7	41		50-801	1,550
							60-902

1Low Fire Nozzle

2High Fire Nozzle

Blower Performance - Direct Drive

Motor	Blower	Temp.	Blower	CFM @ ext. static pressure in. W.C.
Model		Size		Rise
	Size		Speed		.20	.30	.40	.50	.60	.70	.80	.90
(hp)		(oF)
	High		1,412	1,356									1,299	1,222	1,154	1,075	988	890
RLUF80C57/72D12	1/3	10 x 8	50-80	Med High	1,260	1,217	1,172	1,120	1,060	988	914	797
				Med	1,040	1,025	991	960	910	860	790	680
Low	887	878	850										830	787	742	680	605
High	1,756	1,693	1,940	1,590	1,495	1,361	1,250	1,095
RLUF80C84/95D16	1/2	10 x 10	50-80	Med High	1,445	1,425	1,400	1,335	1,287	1,200	1,065	965
				Med	1,191	1,181	1,147	1,110	1,054	985	894	827
Low	989	979	961										926	880	835	775	690
High	2,204	2,140	2,058	2,000	1,900	1,850	1,680	1,560
RLUF80C112/125D20	3/4	12 x 11	45-75	Med High	1,760	1,725	1,670	1,615	1,560	1,480	1,390	1,313
				Med	1,520	1,496	1,450	1,400	1,360	1,315	1,250	1,165
Low	1,366*	1,329*	1,304*										1,250*	1,210*	1,180*	1,120*	1,040*

*Not recommended for heating. Temperature rise may be outside acceptable range.

Alternate Motors for Cooling Combinations - Belt Drive

Nominal	Motor	Motor	Motor	Blower	Belt	CFM @ ext. static pressure - in. W.C.
Model										Cooling	Blower
	Capacity	Size	Size	Pulley	Pulley	Pulley	Size
(hp)		(in.)		Adjustment	(in.)	(in.)
	(tons)
.20		.30	.40	.50
	RLUF80C57B08				2.0 - 2.5	1/4	10 x 8	4	Closed	7	41	1,170	1,154	1,070	975
RLUF80C84/95B10	2.0 - 3.5	1/2	10 x 8	4	Closed	6	39	1,550	1,495	1,430	1,370
RLUF80C112/125B16	4.0 - 5.0	3/4	12 x 9	3 1/4	Closed	5	36	1,990	1,925	1,850	1,820

Note: Field converted with different size motor for cooling applications.

Accessories

Description		Used with	Kit Number
Clean Out Kit		All models	ABRSH380-3
Tjernlund Side Wall Vent Kit1		All models	ASVNT522
Field Controls Side Wall Vent Kit2		All models	ASVNT523
Evaporator Coil	Cabinet	RLUF57/72/84/95 with 15 1/2' - 17 1/2' wide coil	ACOILKDCC19
Evaporator Coil	Cabinet	RLUF84/95 with 21' wide coil	ACOILKDCC22
Evaporator Coil	Cabinet	RLUF112/125 with 21'-23'wide coil	ACOILKDCC27
External Filter Rack		All RLUF models.	AFILTHA7-2
Side Return Air Cabinet		RLUF57/84/95	ARCABHA-8
Side Return Air Cabinet		RLUF112/125	ARCABHA-9
Combustion Air Kit		All models	ABOOT571
Clean Out Cap Kit		All models	ACAP570

1This can be ordered from Tjernlund, part number SSII.

2This can be ordered from Field Controls, part number SWG-5-CK61.

Side Return Aid Cabinet

External

Filter Rack

Model

ARCABHA-8

Requires two(2)

20 1/16

ARCABHA-9

16 X 20 filters

3 1/2

1/2

24 1/2

3/4

19 1/2

Accessories

Evaporator Coil Cabinet

Ducane Oil Furnace Troubleshooting

Model	Plenum		Cabinet
	A	B	C	D
AAOILKDCC19					18 1/2	21 1/8	19 1/2	22 1/8
AAOILKDCC22	21 1/2	22 1/4	22 1/2	23 1/4
AAOILKDCC27	25	24 1/4	26	25 5/8

Dimensions (in.)

Model	A	B	C	D	E
RLUF80C57/72	19 1/2	18	30 5/8	19 5/8	9 3/4
RLUF80C84/95
						RLUF80C112/125	22 1/2	21	33 1/8	22 1/8	11 1/4

Clearances (in.)

Model Number	Front*	Sides	Rear
RLUF80C57/72
RLUF80C84/95	4	0	0
RLUF80C112/125

*For service requirements normally 24'.

Supply

Flue Pipe

A	3/4	C	3/4
B		D
5 3/4
2 3/4	Control Wiring
	(R side)
Power Wiring
(R side)
54	2 3/4	Oil Line
	34
(L side)
23 1/2	Side Return
14
	(R & L side)
2 1/16		19/16
22

Ducane Oil Furnace Troubleshooting

All specifications and illustrations subject to change without notice and without incurring obligations..