York EA090 Quick start guide

TECHNICAL GUIDE

SPLIT-SYSTEM

HEAT PUMPS

EA090/FA090

208/230/460

VOLT ONLY

036-21371-001-B-0203

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

® DESCRIPTION

YORK has combined the latest concepts in modern technology with

time-proven quality standards to design a split-system heat pump to

meet the demands of the energy-and quality-conscious commercial

market.

Both the outdoor and indoor units are completely piped and wired at

the factory. Only the interconnecting liquid and vapor lines are required

to complete the refrigerant circuit. Every unit is dehydrated, evacuated,

leak tested and pressure tested before being pressurized with a hold-

ing charge of refrigerant-22 for shipment and/or storage. The compres-

sor, the fan motors and the controls are functionally tested after the

units are fabricated to assure a reliable start-up and years of depend-

able operation.

These units have been tested by Underwriters' Laboratories and will

be shipped with UL and CUL labels.

OUTDOOR UNIT

Every outdoor unit includes a heavy-duty compressor with a crankcase

heater, line break overload protection, a suction line accumulator with

a fusible plug, a 4-way reversing valve with a 24-volt solenoid, outdoor

fan motor(s) with inherent protection, and a copper tube/aluminum fin

coil that is positioned vertically for better drainage of the water that will

condense on it during the heating cycle.

They also include a filter-drier, an expansion valve and a distributor

that are only used during the heating cycle plus a check valve to pro-

vide the proper flow of refrigerant through the unit during both the cool-

ing and heating cycles.

To eliminate the costly cabinet deterioration problems usually associ-

ated with outdoor equipment, all sheet metal parts are constructed of

commercial grade (G90) galvanized steel. After fabrication, each part

is thoroughly cleaned to remove any grease or dirt from its surfaces.

The parts that will be exposed to the weather are then coated with a

“desert sand” powder paint to assure a quality finish for many years.

This coating system has passed the 750 hour, salt spray test per

ASTM Standard B117. To assist in servicing, the high and low pressure

service connections are exterior to the cabinet, allowing simple

access.

The fan guards are vinyl-coated to provide additional rust protection.

An optional decorative coil guard is available to protect the coil on the

outdoor unit.

INDOOR UNIT

Every indoor unit includes a well-insulated cabinet, a copper tube/alu-

minum fin coil, 1" throwaway filters, a centrifugal blower, a blower

motor, adjustable drive components, a blower motor contactor and a

small holding charge of refrigerant-22.

They also include a filter-drier, an expansion valve and a distributor

that are only used during the cooling cycle plus a check valve to pro-

vide the proper flow of refrigerant through the coil during both the cool-

ing and heating cycles.

The units are shipped in the vertical position ready for field installation.

For horizontal installation, interchange the solid bottom panel and the

return air duct flange on the front of the unit.

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2Unitary Products Group

TABLE OF CONTENTS

DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

OUTDOOR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

INDOOR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

APPLICATION FLEXIBILITY . . . . . . . . . . . . . . . . . . . 3

Outdoor Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Indoor Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

SYSTEM FLEXIBILITY. . . . . . . . . . . . . . . . . . . . . . . . 5

ACCESSORIES (FIELD-INSTALLED) . . . . . . . . . . . 11

LIST OF FIGURES

Figure Page

No. Description No.

1 EA090 Outdoor Units. . . . . . . . . . . . . . . . . . . . . . 3

2 FA090 Indoor Units . . . . . . . . . . . . . . . . . . . . . . . 3

3 FA090 Airflow Chart. . . . . . . . . . . . . . . . . . . . . . 10

4 Unit Dimensions & Clearances - Outdoor

Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5 Unit Dimensions & Clearances - Indoor

Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6 Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

7 Accessory Dimensions . . . . . . . . . . . . . . . . . . . 15

LIST OF TABLES

Table Page

No. Description No.

1 ARI Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2 System Application Data . . . . . . . . . . . . . . . . . . . 4

3 Refrigerant Piping Limitations . . . . . . . . . . . . . . . 4

4 Cooling Capacity - EA090 . . . . . . . . . . . . . . . . . . 6

5 Heating Capacities . . . . . . . . . . . . . . . . . . . . . . . 8

6 Electric Heat Accessory . . . . . . . . . . . . . . . . . . . 9

7 Blower Motor and Drive Data . . . . . . . . . . . . . . . 9

8 Supply Air Blower Performance FA090. . . . . . . . 9

9 Supply Air Plenum Performance Data. . . . . . . . 10

10 Static Resistances for Unit Accessories (IWG) . 11

11 Physical Data (Outdoor Unit). . . . . . . . . . . . . . . 16

12 Physical Data (Indoor Unit) . . . . . . . . . . . . . . . . 16

13 Physical Data - Electric Heat Accessories . . . . 17

14 Electrical Data - Outdoor Unit . . . . . . . . . . . . . . 17

15 Indoor Unit - Heat Pump Only . . . . . . . . . . . . . . 17

16 Control Wire Sizing . . . . . . . . . . . . . . . . . . . . . . 17

17 Heat Pump With Electric Heat. . . . . . . . . . . . . . 18

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Unitary Products Group 3

APPLICATION FLEXIBILITY

OUTDOOR UNITS

These outdoor units are lightweight and can be installed on

almost any roof.

Units can be lifted using nylon straps with hooks at the holes

provided in the base rails, or they may be lifted with a forklift

through the slotted openings in the base rails.

A quality appearance and low sound levels make these units

suitable for most ground level locations.

Remember that during heat and defrost cycles, condensate

will drip from the underside of the unit coils and that this con-

densate will freeze when the temperature of the outdoor air is

below 32°F. A gravel bed or some other means of handling

this condensate may have to be provided.

INDOOR UNITS

These indoor units are shipped for vertical installation, but

may be field converted for horizontal applications by separat-

ing and repositioning the Blower Section. See product instal-

lation manual for for detail.

• The Supply Air Plenum and the Return Air Grille acces-

sories can be used on either arrangement.

• The Base accessory can only be used on the vertical

arrangement.

Units installed horizontally are designed for ceiling suspen-

sion. Four 3/8" - 16 weldnuts are provided in the angle sup-

ports on the front of the unit. Knockouts are provided in the

exterior panels for access to these weldnuts. The hanger

rods must be supplied in the field.

FIGURE 1: EA090 - OUTDOOR UNITS

5FT.MIN.

FORK-LIFT

OPENINGS

TYPICAL

RIGGING

FIGURE 2: FA090 - INDOOR UNITS

036-21371-001-B-0203

4Unitary Products Group

1Certified in accordance with the Unitary Large Equipment certification program, which is based on ARI Standard 340/360.

2Rated in accordance with ARI Standard 270.

3Deduct 1 MBH when a unit operates at 208 volts.

TABLE 1: ARI RATINGS 1- COOLING, HEATING AND SOUND

Model Cooling Capacity

Heating Capacity

High Outdoor

Temperature (47º F)

Low Outdoor

Temperature (17º F)

Outdoor

Unit

Indoor

Unit MBH3EER MBH3COP MBH3COP

EA090 FA090 90 10.67 87.7 3.25 55 2.34

Outdoor Unit Sound Rating2

(bels)

EA090 8.9

TABLE 2: SYSTEM APPLICATION DATA

Air Temperature on OUTDOOR Coil, ºF Air Temperature on INDOOR Coil, ºF

Minimum Maximum minimum Maximum

Cool Heat Cool heat Cool Heat Cool Heat

40 db 0 db1115 db 75 db 57 wb 50 db272 wb 80 db

1Below 0ºF, the control circuit will lock out the compressor and allow the electric heat

accessory to cycle at its standby capacity. Air Flow across INDOOR Coil, CFM (Min./Max.)

2Operation below this temperature is permissible for a short period of time when a

unit is required to heat the conditioned space up to 50ºF. FA090 2400/3600

TABLE 3: REFRIGERANT PIPING LIMITATIONS1

System

(Tons)

Maximum

Vertical Rise,2

(Feet)

Maximum

Total Length

(Feet)

7-1/2 60 125

1Refer to installation instruction Form 035-18474-000 for more

detailed information on refrigerant piping.

2Based on the loss of static head in the liquid riser during the

heating cycle.

036-21371-001-B-0203

Unitary Products Group 5

SYSTEM FLEXIBILITY

The coils for both the indoor and outdoor units are not only

circuited and headered for optimum heating and cooling per-

formance, but also for ample subcooling during all modes of

operation. The sub-cooling permits the outdoor unit to be

mounted 60 feet over or under the indoor unit without any

danger of flashing liquid refrigerant during the heating or the

cooling cycle.

Refer to the REFRIGERANT PIPING table above for more

detailed information on refrigerant pipe limitations.

A = 1-3/8" OD Vapor Line

B = 1-1/8" OD Vapor Line

C = Intermediate Trap - only required when a riser

exceeds 50 feet.

D = Inverted Trap - only required when the horizontal run

to the unit exceeds 25 feet.

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6Unitary Products Group

TABLE 4: COOLING CAPACITY - EA090

86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 99 7.0 59 52 45 39 32 - - 96 7.7 58 51 44 37 31 - -

67 91 6.9 73 66 59 52 46 39 32 88 7.6 72 65 58 51 44 37 31

62 82 6.7 82 78 71 64 57 50 43 82 7.5 82 77 70 63 56 50 43

57 86 6.7 86 83 76 69 62 55 49 89 7.5 87 80 73 66 59 53 46

72 102 7.1 66 58 49 41 33 - - 99 7.8 65 57 48 40 32 - -

67 94 7.0 81 73 64 56 48 40 32 90 7.7 80 71 63 55 47 38 30

62 84 6.8 84 82 77 69 61 52 44 84 7.5 84 81 76 68 60 52 44

57 88 6.8 88 87 83 74 66 58 50 91 7.5 90 86 80 71 63 55 47

72 105 7.2 73 63 53 44 34 - - 101 7.9 71 62 52 43 33 - -

67 96 7.1 89 79 70 60 50 41 31 92 7.7 88 78 68 59 49 39 30

62 86 7.0 86 86 83 74 64 54 45 85 7.6 85 85 83 73 64 54 44

57 90 6.9 90 90 89 80 70 60 51 93 7.6 93 93 86 77 67 57 48

72 106 7.2 75 65 55 45 34 - - 103 7.9 74 64 54 44 34 - -

67 97 7.1 92 82 72 61 51 41 31 94 7.7 91 81 70 60 50 40 30

62 87 7.0 87 87 86 75 65 55 45 87 7.6 87 87 85 75 65 55 45

57 91 6.9 91 91 91 81 71 60 50 94 7.6 94 94 89 79 68 58 48

72 107 7.2 78 67 56 45 35 - - 104 7.9 77 66 55 45 34 - -

67 99 7.1 95 84 73 63 52 41 31 95 7.7 94 83 73 62 51 40 30

62 88 7.0 88 88 88 77 66 56 45 88 7.6 88 88 88 77 66 56 45

57 93 6.9 93 93 93 82 71 60 50 96 7.6 96 96 91 81 70 59 49

86 83 80 77 74 71 68 86 83 80 77 74 71 68

72 93 8.5 56 49 42 35 29 - - 89 9.3 54 47 40 33 26 - -

67 83 8.4 70 63 56 49 42 36 29 79 9.3 68 61 54 48 41 34 27

62 79 8.2 79 75 68 61 55 48 41 76 9.0 76 73 66 60 53 46 39

57 83 8.3 82 76 69 62 55 48 42 78 9.1 78 72 65 58 51 44 37

72 95 8.6 63 55 46 38 30 - - 91 9.4 61 53 45 36 28 - -

67 85 8.5 77 70 62 53 45 37 29 80 9.4 75 68 60 52 44 36 27

62 81 8.3 81 79 75 67 59 50 42 78 9.1 78 76 74 65 57 49 41

57 85 8.3 84 81 76 67 59 51 43 79 9.1 79 76 72 63 55 47 39

72 97 8.7 70 60 51 41 31 - - 92 9.5 68 58 49 39 30 - -

67 87 8.6 85 77 67 58 48 38 29 82 9.4 82 76 66 57 47 37 28

62 82 8.4 82 82 82 72 63 53 43 79 9.2 79 79 81 71 62 52 42

57 87 8.4 87 87 82 73 63 54 44 81 9.2 81 81 79 69 59 50 40

72 99 8.7 72 62 52 42 32 - - 95 9.5 70 60 50 40 30 - -

67 89 8.6 87 79 69 59 49 38 28 84 9.4 84 78 68 57 47 37 27

62 84 8.4 84 84 84 73 63 53 43 81 9.2 81 81 82 72 62 51 41

57 88 8.4 88 88 85 74 64 54 44 83 9.2 83 83 80 70 60 50 40

72 100 8.7 75 64 53 43 32 - - 97 9.5 72 62 51 40 30 - -

67 90 8.6 90 82 71 60 49 39 28 86 9.4 86 80 69 58 48 37 26

62 86 8.4 86 86 85 75 64 53 42 83 9.2 83 83 83 72 62 51 40

57 90 8.4 90 90 87 76 65 55 44 84 9.2 84 84 82 71 61 50 39

3600

2400

2850

3300

3450

Return Dry Bulb (°F)

CFM WB(°F) Return Dry Bulb (°F)

3600

Air On

Evaporaor Coil

105°F 115°F

Total

Capacity 1

(

MBh

)

Total

Input 2

(

)

Sensible Capacity (MBh) Total

Capacity 1

(

MBh

)

Total

Input 2

(

)

Sensible Capacity (MBh)

95°F

Total

Capacity 1

(

MBh

)

Total

Input 2

(

)

Sensible Capacity (MBh) Total

Capacity 1

(

MBh

)

Total

Input 2

(

)

Sensible Capacity (MBh)

Return Dry Bulb (°F)Return Dry Bulb (°F)

Temperature of Air on Condenser Coil

Air On

Evaporaor Coil

85°F

CFM

2400

2850

3300

WB(°F)

3450

036-21371-001-B-0203

Unitary Products Group 7

The capacities shown are gross ratings. For net capacities, determine the KW requirement of the supply air blower motor per the SUPPLY AIR BLOWER PER-

FORMANCE table. Convert KW to MBH by the following equation and deduct this equivalent heat from the gross cooling ratings.

Blower Motor Heat (MBH) = Blower Motor KW x 3.415

Apply the following correction factors to determine the unit performance at different CFM.

These ratings include the compressor KW and the following KW for the outdoor fan motor(s).

NOTE: Sensible capacity can never exceed total capacity. A higher

corrected sensible capacity indicates a dry coil, and it should be

reduced to the corrected total capacity.

Blower motor KW is not included. Refer to the SUPPLY AIR BLOWER PERFORMANCE table for the KW rating of the supply air blower motor at the design

conditions and add this power requirement to the KW rating.

TABLE 4: COOLING CAPACITY - EA090 (CONT.)

% Nominal Supply Air CFM 80 90 100 110 120

Total Capacity Correction Factor

Sensible Capacity Correction Factor

Kilowatt Correction Factor

0.963

0.935

0.981

0.965

0.992

1.000

1.015

1.049

1.008

1.030

1.098

1.019

Nominal Rating

86 83 80 77 74 71 68

72 85 10.2 52 45 38 31 24 - -

67 74 10.1 66 59 53 46 39 32 25

62 74 9.8 74 71 65 58 51 44 37

57 72 9.9 72 67 61 54 47 40 33

72 87 10.3 59 51 43 34 26 - -

67 76 10.2 73 67 59 51 42 34 26

62 75 9.9 75 74 72 64 56 48 39

57 73 10.0 73 71 68 60 51 43 35

72 88 10.4 66 57 47 38 28 - -

67 77 10.3 77 75 65 55 46 36 27

62 76 10.0 76 76 76 70 61 51 41

57 75 10.1 75 75 75 65 56 46 37

72 90 10.4 68 58 48 38 28 - -

67 79 10.3 79 76 66 56 46 36 25

62 78 10.0 78 78 78 70 60 50 40

57 77 10.1 77 77 76 66 56 46 36

72 93 10.3 70 60 49 38 27 - -

67 81 10.3 81 78 67 57 46 35 24

62 80 9.9 80 80 80 70 59 48 38

57 79 10.0 79 79 78 67 56 45 35

1 - These capacities are gross

ratings. For net capacity, deduct

air blower motor, MBh = 3.415 x

kW. Refer to the appropriate

Blower Performance Table for the

kW of the supply air blower motor.

2 - These ratings include the

condenser fan motors (total 1 kW)

and the compressor motors but not

the supply air blower motor.

3450

3600

2400

2850

3300

Air On

Evaporaor Coil

Temperature of Air on Condenser Coil

125°F

Total

Capacity

(

MBh

)

Total

Input

(

)

Sensible Capacity (MBh)

CFM WB(°F) Return Dry Bulb (°F)

Outdoor Unit Size 7-1/2 Ton

Outdoor Fan Motor KW - 60 HZ 0.83

036-21371-001-B-0203

8Unitary Products Group

These ratings are based on an outdoor relative humidity of 72%. They include an allowance for defrost but not for the supply air blower motor heat. Refer to the

BLOWER PERFORMANCE table for the KW rating of the supply air blower motor at the design conditions. Convert this KW rating to MBH using the following

equation and add this equivalent heat to the heating capacity.

Blower Motor Heat (MBH) = Blower Motor KW x (3.415 MBH/KW)

Use the following equation to determine the C.O.P. at any operating condition.

C.O.P. = Total MBH (including Blower Motor Heat)/[Total KW (including Blower Motor KW) x 3.415]

correct the MBH and KW ratings with the following factors for different supply air CFM’s.

These ratings include the compressor KW and the following KW for the outdoor fan motor(s).

NOTE: Apply these factors to the above ratings before correcting for the supply air blower heat and power requirements.

Blower motor KW is not included. Refer to the SUPPLY AIR BLOWER PERFORMANCE table for the KW rating of the supply air blower motor at the design

conditions and add this power requirement to the KW rating.

UNIT MODEL EA090

OUTDOOR TEMPERATURE (F) (72% RH)

CFM ID DB 0 10 20 30 40 50 60 70

2400 60 MBH 12.237 28.142 44.048 59.954 75.859 91.765 107.671 123.576

2400 KW 2.090 3.179 4.268 5.357 6.447 7.536 8.625 9.714

2400 70 MBH 9.673 25.579 41.485 57.390 73.296 89.201 105.107 121.013

2400 KW 2.576 3.665 4.754 5.844 6.933 8.022 9.111 10.201

2400 80 MBH 9.589 25.495 41.401 57.306 73.212 89.118 105.023 120.929

2400 KW 3.352 4.441 5.530 6.619 7.709 8.798 9.887 10.976

3300 60 MBH 13.565 29.471 45.377 61.282 77.188 93.094 108.999 124.905

3300 KW 1.417 2.506 3.595 4.685 5.774 6.863 7.952 9.041

3300 70 MBH 10.826 26.732 42.637 58.543 74.449 90.354 106.260 122.166

3300 KW 1.852 2.941 4.030 5.119 6.209 7.298 8.387 9.476

3300 80 MBH 10.916 26.822 42.727 58.633 74.539 90.444 106.350 122.256

3300 KW 2.679 3.768 4.857 5.946 7.035 8.125 9.214 10.303

3600 60 MBH 14.284 30.189 46.095 62.001 77.906 93.812 109.718 125.623

3600 KW 1.353 2.442 3.531 4.620 5.710 6.799 7.888 8.977

3600 70 MBH 11.720 27.626 43.531 59.437 75.343 91.248 107.154 123.060

3600 KW 1.839 2.928 4.018 5.107 6.196 7.285 8.374 9.464

3600 80 MBH 11.636 27.542 43.448 59.353 75.259 91.165 107.070 122.976

3600 KW 2.615 3.704 4.793 5.883 6.972 8.061 9.150 10.239

THE MBH AND KW VALUES DO NOT INCLUDE THE SUPPLY AIR BLOWER MOTOR.

FOR NET CAPACITY, ADD THE SUPPLY AIR BLOWER MOTOR HEAT (MBH = 3.415 x KW)

Correction Factor 80 90 100 110 120

MBH

0.96

1.030

0.98

1.015

1.00

1.000

1.02

0.985

1.04

0.970

Outdoor Unit Size 7-1/2 Ton

Outdoor Fan Motor KW - 60 HZ 0.96

036-21371-001-B-0203

Unitary Products Group 9

**These motors will always be wired for a 460 volt power supply.

Refer to the wiring diagram inside the motor terminal box when

the motor leads have to be reconnected for a 208 or 230 volt

power supply.

TABLE 5: ELECTRIC HEAT ACCESSORY

Heater Model Nominal Voltage

Heating Capacity

Nominal Defrost Supplemental Standby and Emergency

KW MBH KW MBH KW MBH KW MBH

2HS045010 25A 2401

10 34.2 10 34.2 10 34.2 10 34.2

46A 4802

2HS045016 25A 2401

16 54.7 10 34.2 16 54.7 16 54.7

46A 4802

2HS045026 25A 2401

26 88.8 16 54.7 26 88.8 26 88.8

46A 4802

2HS045036 25A 2401

36 123.0 16 54.7 26 88.8 36 123.0

46A 4802

1For 208 volts, multiply the MBH and KW values by (208/240)^2 or 0.751.

For 208 volts, multiply the MBH and KW values by (230/240)^ 2 or 0.918.

2For 460 volts, multiply the MBH and KW values by (460/480)^2 or 0.918.

TABLE 6: BLOWER MOTOR AND DRIVE DATA

Indoor

Unit

Model

Motor

Blower

Adjustable Motor Pulley Fixed Blower Pulley Belt

Pitch Diameter,

(in.)

Bore,

(in.)

Pitch Diameter,

(in.)

Bore,

(in.) Designation Pitch Length,

(in.)

FA090 1-1/2 690 - 920 2.8 - 3.8 7/8 7.5 1 A36 37.3

*Motor Specifications:

• 1750 RPM • inherently protected

• 208/230/460-3-60** • 1.15 service factor

• solid base • permanently lubricated

ball bearings

• 56 frame

TABLE 7: SUPPLY AIR BLOWER PERFORMANCE FA0901,2

7.5 HEAT PUMP BLOWER PERFORMANCE

ESP CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts

0.2 4152 895 1877 4014 892 1844 3725 819 1378 3443 774 1201 3219 734 1015 2949 691 855

0.4 3901 900 1752 3753 897 1714 3404 823 1255 3091 777 1084 2818 736 899 2503 694 744

0.6 3617 905 1607 3478 902 1569 3000 837 1118 2671 855 943 2149 740 762 - - -

0.8 3232 911 1443 3083 907 1406 2468 831 957 - - - - - - - - -

12740916122224319131185------ - --- - -

0 turns 1 turn 2 turns 3 turns 4 turns 5 turns

1Available static pressure in IWG to overcome the resistance of the duct system and any accessories added to the unit. Refer to the table above for

additional motor and drive data and to Table 10 for the resistance of these accessories.

2Refer to Form 515.41-AD1 for blower performance curves.

036-21371-001-B-0203

10 Unitary Products Group

TABLE 8: SUPPLY AIR PLENUM PERFORMANCE DATA

INDOOR

UNIT

MODEL

CFM

FACE

VELO

CITY

(FPM)

ANGLE OF DEFLECTION

VERTICAL

LOUVERS1

(PLAN

VIEW)

HORIZONTAL

LOUVERS2

(ELEVATION

VIEW)

VERTICAL

LOUVERS1

(PLAN

VIEW)

HORIZON-

TAL

LOUVERS2

(ELEVATION

VIEW)

VERTICAL

LOUVERS1

(PLAN

VIEW)

HORIZONTAL

LOUVERS2

(ELEVATION

VIEW)

THROW

(FEET3)

SPREAD

(FEET)3

THROW

(FEET)3

SPREAD

(FEET)3

THROW

(FEET)3

SPREAD

(FEET)3

MIN. MAX. MIN. MAX DROP (FEET)4MIN. MAX MIN. MAX DROP (FEET)4MIN. MAX. MIN. MAX. DROP (FEET)4

090

2400 615 47 74 20 29 19 9 34 53 23 33 17 8 26 39 45 65 9 5

2700 690 53 83 22 32 20 10 39 59 25 36 18 9 29 45 48 71 10 5

3000 770 59 92 24 35 21 10 42 66 27 40 19 9 32 50 52 78 10 5

3300 845 65 101 26 38 21 10 46 73 29 44 19 9 35 55 56 85 10 5

3600 920 71 110 28 41 22 11 50 79 32 47 20 10 38 60 60 91 11 6

1Adjusting the vertical louvers will vary the throw, the spread and the drop.

2Adjusting the horizontal louvers will only vary the drop.

3The velocity of the air will be 125 ft./min. at the minimum distance and 80 ft./min. at the maximum distance.

4The velocity of the conditioned air at the bottom of the drop will be 50 ft./min. Drafts will occur if the drop extends into the occu-

pied level of the conditioned space.

0 °

S P R E A D

2 2 - 1 / 2 °

SPREAD

4 5 °

S P R E A D

0 °

S P R E A D

18˚

0 °

S P R E A D

18˚

0 °

S P R E A D

18˚

FIGURE 3: FA090 AIRFLOW CHART

.5-ton Heat Pump

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

4400

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1

Static

CFM

O turns

1 turn

2 turns

3 turns

4 turns

5 turns

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