Boyertown Regal Oil Furnace Nrg Max User Manual

Name: Boyertown Regal Oil Furnace Nrg Max
Brand: Boyertown
SKU: 1504195
Rating: 4 (2 reviews)

4 (2)

Regal Oil Fired Furnace

Installation and Operation Instructions

Manual

Keep these instructions with the furnace at all times for future reference

Boyertown Furnace Co.

PO Box 100

Boyertown, PA 19512

610-369-1450

www.boyertownfurnace.com

7-1-14

Danger

Warning

Caution

Notice

Be Aware of Hazard Definitions

Denotes presence of a hazard which, if ignored, will result in severe personal injury, death or property damage

Denotes presence of a hazard which, if ignored could result in severe personal injury, death or substantial property damage.

Denotes the presence of a hazard, which if ignored, could result in minor personal injury or property damage

Intended to bring attention to information, but not related to personal injury or property damage.

Danger This equipment must be installed, adjusted and started only by a qualified service agency – an individual or agency, licensed and experienced with all codes and ordinances, and who is responsible for the installation and adjustment of the equipment. THE INSTALLATION OF THE EQUIPMENT SHALL BE IN ACCORDANCE WITH THE REGULATION OF AUTHORITIES HAVING JURIDICTION AND OR NFPA 31.

Read all instructions before proceeding. Follow all instructions completely. Failure to follow these instructionsWarning could result in equipment malfunction causing severe personal injury, death or substantial property damage.

DO NOT TAMPER WITH THE UNIT OR CONTROLS – CALL YOUR SERVICEMAN. The manufacturer will not be liable for any damage resulting from changes made in the field to the furnace or its components or from improper installation. Failure to comply could result in severe personal injury, death, or substantial property damage.

DO NOT USE WITH OILS HEAVIER THAN NO. 2. NEVER USE GASOLINE, CRANKCASE OIL, OR ANY OIL CONTAINING GASOLINE. Your oil fired furnace is designed to burn No. 1 and No. 2 heating oil only.

DO NOT START THE BURNER UNLESS THE BLOWER ACCESS DOOR IS SECURED IN PLACE. Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. The area around the furnace should be kept free and clear of combustible materials.

NEVER BURN GARBAGE OR REFUSE IN THE HEATING SYSTEM, AND NEVER LEAVE PAPER OR RAGS AROUND THE UNIT.

Never try to ignite oil by tossing burning papers or other material into your furnace.

DO NOT ATTEMPT TO START THE BURNER WHEN EXCESS OIL HAS ACCUMULATED OR THE FURNACE IS FULL OF VAPORS OR WHEN THE CHAMBER IS VERY HOT.

Do not use the furnace as a construction heater.

Do not operate furnace if the heat exchanger is damaged. Toxic flue products could enter air stream. Do not jumper, attempt to bypass or override any of the safety limit controls.

Do not use this furnace if any part has been under water. Immediately call a qualified service technician to inspect the furnace and replace any part of the furnace, control system or burner that has been under water.

Do not operate furnace if temperature rise through the heat exchanger exceeds that which is listed on the Ratings Label (Typically75ºF).

Do not operate furnace without return air properly sized or ducted.

NOTICE Concealed DamageIf you discover damage to the burner, furnace or controls during unpacking, notify the carrier at once and file the appropriate claim. When calling or writing about the furnace please have the following information available: the furnace model number and serial number which is located on the upper portion of the front of the unit. Record the model and serial number for future reference in the space provided in this manual.

TABLE OF CONTENTS	PAGE NO.
FURNACE SPECIFICATIONS	4
INSTALLATION CLEARANCES	5
Standard Clearances
Reduced Clearances
DUCT WORK	7
Sizing
Blower Specifications
Filter Racks
Multiple Furnace Installation
ECM MOTORS	10
Operating Modes
Air Flow Selection
Motor Connections
PSC MOTORS	12
Air Flow Selection
VENTING	12
Chimney Venting
Chimney Relining
Chimney Connector
Power Venting
Vent Dampers
VENTILATION AND COMBUSTION AIR	15
BURNER INSTALLATION	15
WIRING	17
Power
Thermostat
OIL TANK AND PIPING	23
START UP	24
Start Up Equipment
Burner Adjustments
OPERATING AND MAINTENANCE	26
Cleaning the Furnace
Oil Burner
Blowers – Direct Drive
Vent System
Fuel Oil System
Filters
PARTS BREAKDOWN LISTS	28
TROUBLE SHOOTING GUIDE	31
WARRANTY	32
INSTALLATION AND SERVICE CHECKLIST	33
WARRANTY REGISTRATION	34
	3

R e g a l S p e c ific a tio n s

M o d e l

R E L 7 5 0

R E L 1 0 0 0

R E H 7 5 0

R E H 1 0 0 0

B T U /H r In p u t

8 5 ,0 0 0

1 0 5 ,0 0

1 2 0 ,0 0 0

1 4 0 ,0 0 0

1 7 5 ,0 0 0

8 5 ,0 0 0

1 0 5 ,0 0 0

1 2 0 ,0 0 0

1 4 0 ,0 0 0

1 7 5 ,0 0 0

B T U /H r O u tp u t

7 0 ,0 0 0

8 5 ,0 0 0

9 5 ,0 0 0

1 1 5 ,0 0 0

1 4 0 ,0 0 0

7 0 ,0 0 0

8 5 ,0 0 0

9 5 ,0 0 0

1 1 5 ,0 0 0

1 4 0 ,0 0 0

N o z z le B e c k e tt A F G @ 1 0 0 P S I

.6 0 8 0 A

.7 5 8 0 B

.8 5 8 0 B

1 .0 0 8 0 B

1 .2 5 8 0 B

.6 0 8 0 A

.7 5 8 0 B

.8 5 8 0 B

1 .0 0 8 0 B

1 .2 5 8 0 B

N o z z le R ie llo 4 0 S e rie s @

1 5 0 P S I

.5 0 6 0 A

.6 0 6 0 A

.6 5 6 0 A

.8 5 8 0 B

1 .0 0 8 0 B

.5 0 6 0 A

.6 0 6 0 A

.6 5 6 0 A

.8 5 8 0 B

1 .0 0 8 0 B

N o z z le C a rlin E Z -1 @ 1 0 0 P S I

.6 0 7 0 A

.7 5 7 0 A

.8 5 7 0 A

1 .0 0 6 0 S S

1 .2 5 6 0 S S

.6 0 7 0 A

.7 5 7 0 A

.8 5 7 0 A

1 .0 0 6 0 S S

1 .2 5 6 0 S S

F lu e S iz e

6 "

A F U E S e a s o n a l E ffic ie n c y

8 5 .9 %

8 4 .4 %

8 5 .0 %

8 4 .2 %

8 5 .9 %

8 5 .4 %

8 5 .0 %

8 2 .3 %

F ilte r S iz e (in c h e s )

(2 )1 6 x 2 0

1 6 x 2 5

B lo w e r S iz e

1 0 0 -1 0 T

B lo w e r M o to r

3 /4 H p 4 s p

C F M @ 0 .2 "W C

H ig h

1 9 0 3

2 4 6 6

1 7 4 5

2 2 8 3

M e d H ig h

1 7 1 1

2 1 5 0

1 5 5 0

2 1 3 0

M e d L o w

1 5 4 7

1 8 3 9

1 3 7 6

1 9 0 1

L o w

1 3 9 9

1 6 0 0

N /R

1 2 5 0

1 7 1 7

N /R

C F M @ 0 .5 "W C

H ig h

1 6 6 1

2 0 7 2

1 4 8 0

2 0 0 7

M e d H ig h

1 4 8 5

1 8 5 9

1 3 4 3

1 8 3 2

M e d L o w

1 3 5 5

1 6 1 0

N /R

1 1 7 5

N /R

1 6 4 4

N /R

L o w

1 2 2 7

N /R

1 0 4 3

N /R

1 5 0 1

N /R

C o o lin g C a p a c ity (T o n s )

3 1 /2

S h ip p in g W e ig h t (lb s )

3 2 3

3 6 2

2 9 8

3 4 7

D im e n s io n s (In c h e s )

C a b in e t H e ig h t

4 0

4 6

5 3 5 /8

5 6 1 /2

C a b in e t W id th

2 0 1 /4

2 5 1 /8

2 2 1 /4

2 5 1 /2

C a b in e t D e p th

4 7 1 /2

5 3 5 /8

3 3 1 /8

3 8

C e n te r L in e F lu e to F lo o r

3 1 1 /4

3 8 1 /2

4 9 1 /8

5 2 5 /8

C e n te r L in e F lu e to S id e

1 0 1 /8

1 2 1 /2

2 1 1 /2

1 1 1 /8

1 2 3 /4

W a rm A ir S u p p ly D e p th

1 7 1 /2

2 1 1 /2

1 9 3 /4

2 3 3 /8

W a rm A ir S u p p ly W id th

H o

1 8 1 /4

2 2 7 /8

2 0 1 /2

2 3 3 /4

R e tu rn A ir W id th

H r

1 8 1 /4

2 2 7 /8

1 5

R e tu rn A ir D e p th

1 4

1 3 5 /8

2 3 5 /8

Installation Clearances

WARNING Furnaces in rooms shall be installed with the clearances from combustible materials not less than indicated in Table 1. Combustible materials are those made of or surfaced with wood,

compressed paper, plant fibers, plastics, or other material that will ignite and burn, whether flame proofed or not, or whether plastered or not.

Place the furnace near the center of the supply and return ducts and as close to the chimney connector as possible. Provide a solid brick or 2” thick minimum concrete pad if the furnace mounting area is not level or if the floor can become flooded.

			Table 1 Standard Installation Clearances
	Sides	Top		Front	Rear	Flooring
MODEL	“A”	“B”		“C”	“D”
						Combustible
REH600	2”	2”		Alcove-24”	2”	Combustible
REL600	2”	2”		Alcove-24”	2”	Noncombustible
REH750	2”	2”		Alcove-24”	2”	Combustible

REL750	2”	2”		Alcove-24”	2”	Noncombustible
REH850	2”	2”		Alcove-24”	2”	Combustible
REL850	2”	2”		Alcove-24”	2”	Noncombustible
REH1000	2”	2”		Alcove-24”	2”	Combustible
REL1000	2”	2”		Alcove-24”	2”	Noncombustible
REH1250	2”	2”		Alcove-24”	2”	Combustible

REL1250	2”	2”		Alcove-24”	2”	Noncombustible


Chimney	Plenum
Connector	Top &
“E”	Sides
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”
18”	2”

Lowboy furnaces not listed for combustible floor may be placed on combustible floors although not listed for such installation, provided the floor under the furnace is protected in accordance with the requirements of accepted building code practice and NFPA 31. The furnaces shall be permitted to be placed on combustible flooring protected by 4” hollow block placed with ends unsealed and joints matching in such a fashion as to permit free circulation of air from side to side through the masonry. The block must be covered with sheet metal not less than 24 gauge.

Furnaces are permitted to be installed in rooms, but not closets, with lesser clearances to combustible material, provided the combustible material is protected as described in Table 2 and NFPA 31. In no case shall the clearance be such as to interfere with the requirements for combustion air, draft regulators and accessibility.

All clearances shall be measured from the outer surface of the combustible material to the nearest point on the surface of the appliance or chimney connector, disregarding any intervening protection applied to the combustible material.

Spacers and ties are to be of noncombustible material. No spacer or tie shall be used directly opposite an appliance or chimney connector.

With all clearance reduction systems using ventilated air space there shall be at least 1” clearance between the reduction systems using ventilated air space.

Mineral wool batts, blanket or board shall have a minimum density of 8lb/ft3 and a minimum melting temperature of 15000F.

Insulation material used as part of a clearance reduction system shall have a thermal conductivity of 1.0(Btu/In)/ (Ft2/Hr/0F).

Table 2 Allowable Clearances with Specified Protection

Type of protection applied to and

Where the Specified Clearance with No Protection from the Appliance or

covering all surfaces within the distance

Chimney Connector

specified as the required clearance with

18”

12”

9”

6”

no protection

Above

Rear &

Above

Rear &

Above

Rear &

Above

Rear &

Sides

3½” thick masonry wall without

N/A

12”

N/A

9”

N/A

6”

N/A

5”

ventilated air space

½” insulation board over 1” glass fiber

12”

9”

6”

5”

4”

3”

or mineral wool batts

24 gauge sheet metal over 1” glass fiber

or mineral wool batts reinforced with

9”

6”

4”

5’

3”

wire on rear face with ventilated air

space

3½” thick masonry wall with ventilated

N/A

6”

N/A

6”

N/A

6”

N/A

6”

air space

24 gauge sheet metal with ventilated air

9”

6”

4”

5”

3”

2”

space

½” insulation board with ventilated air

9”

6”

4”

5”

3”

space

24 gauge sheet metal with ventilated air

space over 24 gauge sheet metal with

9”

6”

4”

5”

3”

ventilated air space

1” glass fiber or mineral wool batts

sandwiched between 2 sheets 24 gauge

6”

4”

5”

3”

sheet metal with ventilated air space

If the furnace is to be installed in a residential garage, the furnace must be a minimum of 18” above the garage floor and located so it cannot be damaged by a moving vehicle.

Duct Work

NOTICE

The duct system should follow the design standards of Air Conditioning Contractors of

America (ACCA) or ASHRAE. The duct system should be sized for the maximum CFM capabilities of the furnace being installed.

All trunk lines, take-offs, registers and grill free areas must be figured when determining the air handling capacity of a duct system. By utilizing the Tables 3 through 5, one can obtain the necessary duct system size. Use a supplier's catalog for proper sizing of outlet and return air registers to insure that the register will meet the CFM requirements of the run to which it is connected. Do not exceed the recommended flow rate. The pressure drop for each should not exceed 0.05 inch water column.

The return air ducts should equal the warm air duct system in CFM capacities. Avoid locating a return air duct in rooms that may contain undue odors. Use only a return air filter mounted to or integral to the furnace. Do not add additonal filters unless the duct system is sized to allow for the additional pressure drop. An open return in a basement does not meet the requirements of return air.

Instruct the homeowner not to block any returns.

Always check the size of existing ducts, particularly if you are adding air conditioning. The pressure drop through the cooling evaporator coil reduces available air flow. If the ducts are too small the system may not work satisfactorily or be noisy on either heat or cooling.

If the furnace is used in connection with summer air conditioning, the furnace should be installed parallel with or on the upstream side of the evaporator coil to avoid condensation in the furnace heat exchanger. The evaporator coil must be installed at least 6” above the heat exchanger for proper air flow. Distances less than 6” will result in decreased air flow. In all cases refer to the manufacturers data for static pressure losses to ensure the total system static pressure does not exceed 0.5” WC. If the cooling unit is installed with a parallel flow arrangement, dampers or other means used to control flow of air should be provided to prevent chilled air from entering the furnace. If such a damper is manually operated, it must be equipped with a means to prevent operation of either unit, unless the damper is in the full heat or cool position.

NOTE: When a return register is located in the same room as the furnace, the register must be at least 20 feet away from the furnace.

To obtain proper CFM on a direct drive unit the blower motor speed may need to be changed depending upon the size of the air conditioning system installed and the static resistance of the duct system. See blower specifications for air conditioning CFM's at a .5 static.

Determining Air Flow CFM

The temperature rise through the furnace should not exceed the rated temperature rise as listed on the Rating Label (Typically750F) and should be at least 550F for comfort.

The sensible heat temperature change for cooling would be approximately 300F. Actual temperature change will be approximately 200F due to the humidity in the air.

To calculate the sensible heat change or temperature rise the following formula applies
∆T = (Btuh – Output)/(1.1 x CFM)
To calculate the air flow when you know the temperature rise the following formula applies
CFM = (Btuh – Output)/ (1.1 x ∆T)
An estimate of air flow can be achieved by the following rules of thumb:
Heating:	1300 CFM per 100,000 Btuh output

Cooling: 400 CFM per ton of air conditioning

Determine the required air flow for the system based on both heating and cooling requirements. Use the larger of either for duct design.

Table 3 lists the maximum recommended air velocities for ducts. Velocities greater than those as listed may result in objectionable air noise in the ducts.

Table 3 Recommended Maximum Duct Velocities, Feet Per Minute (FPM)

Application		Main Ducts*		Branch Ducts
Application	Supply		Return	Supply	Return
	Supply		Return	Supply	Return
Apartments	900		700	600	600
Auditoriums	1200		1000	1000	800
Banks	2000		1500	1600	1200
Hotel Rooms	1500		1300	1200	1000
Libraries	2000		1500	1600	1200
Meeting Rooms	2000		1500	1600	1200
Offices	2000		1500	1600	1200
Residences	900		700	600	600
Restaurants	2000		1500	1600	1200
Retail Stores	2000		1500	1600	1200

*When sound control is critical use branch duct velocities

	Table 4 Duct Area Required at Listed Flow Conditions

CFM	Area	Area	Area	Area	Area	Area
	Sq. In.	Sq. In.	Sq. In.	Sq. In.	Sq. In.	Sq. In.
	600FPM	800FPM	1000FPM	1200FPM	1600FPM	2000FPM
50	12
100	24	18	14	12
150	36	27	22	18	14
200	48	36	29	24	18	14
250	60	45	36	30	23	18
300	72	54	43	36	27	22
400	96	72	58	48	36	29
500	120	90	72	60	45	36
750	180	135	108	90	68	54
1000	240	180	144	120	90	72
1250	300	225	180	150	113	90
1500	360	270	216	180	135	108
1750	420	315	252	210	158	126
2000	480	360	288	240	180	144

Note: For Systems not over 100 feet equivalent length. Do not apply this table to duct systems which exceed 100 equivalent feet in length. For longer systems refer to ACCA Manual D. Incorrectly sized ducts can result in unsafe or uncomfortable operation.

												Table 5 Round Duct Equivalent Area
	Nominal Size						4			5				6				7		8				9			10						12
	Area in.2					12.5				19.6				28.3				38.5		50.3				63.6			78.5						113.1

										Table 7 Direct Drive Blower Specifications
Model			HP	Speeds				RPM				Volts		Full		Capacitor			Rotation				Blower				Blower					Blower		Blower
														Load			370 volt						Model				Speed					Speed		Speed
														Amp.			mfd										AC					Change		Heat
REL750			3/4	4				1075				115		9.2			15		CCW				100-10T					Hi				Med		Low
REL750			3/4	4				1075				115		9.2			15		CCW				100-10T					Hi				Low
																																Low
REL1000		3/4		4			1075				115		9.2				15		CCW				100-10T					Hi				Med		Med
REL1000		3/4		4			1075				115		9.2				15		CCW				100-10T					Hi				Hi		Low
																																Hi		Low
REH 750			3/4	4				1075				115		9.2			15		CCW				100-10T					Hi				Med		Low
REH 750			3/4	4				1075				115		9.2			15		CCW				100-10T					Hi				Hi		Low
																																Hi
REH1000		3/4		4			1075				115		9.2				15		CCW				100-10T					Hi				Med		Med
REH1000		3/4		4			1075				115		9.2				15		CCW				100-10T					Hi				Hi		Low
																																Hi		Low

											Table 8 Direct Drive Blower Performance

									0.2 In. W.C. Static Pressure															0.5 In. W.C. Static Pressure

						High						Med.			Med. Low			Low				High				Med.				Med. Low				Low
						High						High			Med. Low			Low				High				High				Med. Low				Low
												High														High

REL-600					1903					1711					1547			1399				1661				1485				1355				1227

REL-750					1903					1711				1547				1399			1661				1485				1355					1227

REL-850					1903					1711					1547			1399				1661				1485				1355				N/R

REL-1000					2466					2150				1839				1600			2072				1859				1610					N/R

REL-1250					2466					2150					1839			N/R				2072				1859					N/R			N/R

REH-600					1745					1550				1376				1250			1480				1343				1175					1043

REH-750					1745					1550					1376			1250				1480				1343				1175				N/R

REH-850					1745					1550				1376				1250			1480				1343						N/R			N/R

REH-1000					2283					2130					1901			1717				2007				1832				1644				1501

REH-1250					2283					2130				1901				N/R			2007				1832						N/R			N/R

MULTIPLE FURNACES IN COMMON DUCT WORK

Multiple furnaces connected to common duct work, either supply, return, or both supply and return must be wired so that all furnace blower motors are energized at the same time.

WARNING	Failure to turn all blowers on at the same time can cause a reversal of air flow in those
units where the blower motor is not operating. This reversal of air flow can cause premature blower,
blower motor, wiring and or heat exchanger failure.

Please consult the factory for specific wiring instructions for your application.

ECM MOTOR OPERATING MODES

Introduction

The ECM 5.0 motor is a variable speed, high effiency motor which has the ability to produce constant air flow within a system, independent of static pressure. It achieves constant air flow by adjusting speed and torque to account for changes in system static pressure. The GE ECM uses a proprietary mathmatical algorithim to model air moving systems driven by forward curved blower wheels.

Operating Modes

The ECM motor is controlled by 24VAC thermostat signals to determine which mode of operation the blower is to run. Air flow rates in the different modes are controled by the setting of the DIP switches.

Standby Mode:

The thermostat inputs are being continuously monitored . The motor will respond to the 24 volt AC input signal from the thermostat.

Fan Mode:

When a call for fan operation is received from the thermostat (“G” line is energized) the blower will operate at a reduced speed as determined by the position of the cooling DIP switches as set for the airconditioning speed. See air flow tables for DIP switch and air flows. If a call for cooling or for heating is energized along with the call for fan only the unit will run at the respective air flow for heating or cooling. Electronic air cleaner terminal “EAC” is energized

Cooling Mode:

When a call for cooliong is received from the thermostat (“Y” line is energized) the motor will operate at the cooling speed and profile as adjusted by the cooling DIP switches. Cooling air flow is profiled to ramp the air flow up to the full cooling air flow to allow for maximum dehumidification. Electronic air cleaner terminal “EAC” is energized

Heat Mode:

When a call for heat is received from the thermostat (“W” line is energized) the motor will operate through the heating cycle at the air flow as adjusted by the heating DIP switch. When a call for heat is initiated the blower will turn on after a 30 second delay to ensure warm plenum temperatures as the furnace heats up. The blower then runs at a reduced rate before increasing its speed to the full air flow requireements.

When the call for heat is satisfied the blower will continue to operate at a reduced rate for a period of 3 minutes to remove all of the usable heat from the furnace while still maintaining the plenum temperatures at a comfortable level. Electronic air cleaner terminal “EAC” and humidifer terminal “H” are energized

ECM Motor Air Flow Selection

Air flow settings for both heating and cooling are made by setting the heat and the cool airflow DIP switches to the proper location. Ensure the furnace power supply is off before adjusting blower speeds. Do not adjust the heating air flow below the firing rate of the furnace. The air flows for heating are designed to give a 70oF temperature rise.

Boyertown Regal Oil Furnace Nrg Max User Manual

Signal connector

8 OUT-

9 O

10 BK/PWM

11 HEAT

12 R

13 EM/W2

14 Y/Y2

15 G

16 OUT+

Power connector

1 JUMPER PIN 1 TO PIN 2

2 120 VAC LINE INPUT

3 CHASSIS GROUND

4 AC LINE

5 AC LINE

1 C1

2 W/W1

3 C2

4 DELAY

5 COOL

6 Y1

7 ADJUST

Signal Connector

Pin Description

Power Connector

Pin Description

The operation of the motor requires two main connections: the power input connector which is 120VAC, and the signal input connector from a 24VAC thermostat. Figure 1 shows the location of the connectors on the motor. When wiring your ECM, the pin

locations are crucial in assuring that no damage is done to the motor or the control. The figures show the pin locations for both connectors, when viewing the motor as shown below

ECM Motor Connections

ECM REH/REL 750 Heating Speed Selection

Burner

Heat Switch

Program

Heating

Firing Rate

#1 Position

#2 Position

Air Flow

0.60 GPH

950 CFM

0.75 GPH

OFF

1175 CFM

0.85 GPH

OFF

1325 CFM

ECM REH/REL 1000 Heating Speed Selection

Burner

Heat Switch

Program

Heating

Firing Rate

#1 Position

#2 Position

Air Flow

1.00 GPH

1575 CFM

1.25 GPH

OFF

1925 CFM

ECM REH/REL 750 Cooling Speed Selection

Cool Switch

Program

Cooling

Air Flow

Tons

#1 Position

#2 Position

Air FlowY2

Air FlowY1

“G”

4 Tons

OFF

1600 CFM

1200

800

3 Tons

OFF

1200 CFM

900

600

2-1/2 Tons

OFF

1000 CFM

750

550

2 Tons

800 CFM

600

550

ECM REH/REL 1000 Cooling Speed Selection

Cool Switch

Program

Cooling

Air Flow

Tons

#1 Position

#2 Position

Air Flow Y2

Air FlowY1

“G”

5 Tons

OFF

2000 CFM

1500

1000

4 Tons

OFF

1600 CFM

1200

800

3 Tons

OFF

1200 CFM

900

600

2-1/2 Tons

1000 CFM

750

550

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