Johnson Controls B1HA036 Manual de usuario

INSTALLATION

MANUAL

CAUTION: READ ALL SAFETY GUIDES BEFORE

YOU BEGIN TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

ISO 9001

Certified Quality

Management System

AFFINITY™ SERIES

SINGLE PACKAGE HEAT PUMPS

MODEL: B1HA036 thru 060

3 thru 5 Ton

(10 SEER)

341849-YIM-A-0108

CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

REPLACEMENT PARTS. . . . . . . . . . . . . . . . . . . . . . . . .3

PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . .3

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

SEQUENCE OF OPERATION. . . . . . . . . . . . . . . . . . . .13

MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

See the following page for a complete Table of Contents.

NOTES, CAUTIONS AND WARNINGS

Installer should pay particular attention to the words:

NOTE, CAUTION, and WARNING. Notes are

intended to clarify or make the installation easier.

Cautions are given to prevent equipment damage.

Warnings are given to alert installer that personal

injury and/or equipment damage may result if instal-

lation procedure is not handled properly.

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2Johnson Controls Unitary Products

TABLE OF CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . .3

PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . .3

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

RIGGING AND HANDLING . . . . . . . . . . . . . . . . . . . .4

CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . . 5

SERVICE ACCESS . . . . . . . . . . . . . . . . . . . . . . . . . .5

THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

POWER AND CONTROL WIRING . . . . . . . . . . . . . . .5

COMPRESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

CHECKING SUPPLY AIR CFM . . . . . . . . . . . . . . . . .9

SEQUENCE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . 13

ANTI-SHORT CYCLE TIMER . . . . . . . . . . . . . . . . . . 13

COOLING OPERATION . . . . . . . . . . . . . . . . . . . . . .13

HEATING OPERATION . . . . . . . . . . . . . . . . . . . . . . 13

DEFROST OPERATION . . . . . . . . . . . . . . . . . . . . .13

HEAT PUMP SAFETY SWITCH OPERATION . . . .14

ELECTRIC HEAT LIMIT SWITCH OPERATION . . .14

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

NORMAL MAINTENANCE . . . . . . . . . . . . . . . . . . . .15

LIST OF FIGURES

Fig. # Pg. #

1 CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . . . . . .4

2 TYPICAL FIELD WIRING DIAGRAM . . . . . . . . . . . . . .6

3 COIL DELTA P VS. SUPPLY AIR CFM . . . . . . . . . . . . 9

4 DIMENSIONS AND CLEARANCES . . . . . . . . . . . . . .12

5 TYPICAL WIRING DIAGRAM (230-3-60 POWER

SUPPLY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Fig. # Pg. #

6 TYPICAL WIRING DIAGRAM BHA MODELS

(460-3-60 AND 575-3-60 POWER SUPPLY) . . . . . . . 17

7 TYPICAL WIRING DIAGRAM LEGEND . . . . . . . . . . . 18

8 TYPICAL WIRING DIAGRAM NOTES . . . . . . . . . . . . 18

LIST OF TABLES

Tbl. # Pg. #

1 UNIT APPLICATION DATA . . . . . . . . . . . . . . . . . . . . . 4

2 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 PHYSICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 ELECTRICAL DATA (HEAT PUMP /

ELECTRIC HEAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5 ELECTRICAL DATA (BASIC UNIT) . . . . . . . . . . . . . . . 7

6 SIDE & BOTTOM SUPPLY AIR BLOWER

PERFORMANCE 230/460/575 VOLTS . . . . . . . . . . . . 8

7 SIDE & BOTTOM SUPPLY AIR BLOWER

PERFORMANCE 208 VOLTS . . . . . . . . . . . . . . . . . . . 8

8 ADDITIONAL STATIC PRESSURE RESISTANCE . . . 8

9 COOLING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,200 CFM (B1HA036) . . . . . . . . . . . . . . 10

10 HEATING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,200 CFM (B1HA036) . . . . . . . . . . . . . . 10

11 COOLING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,400 CFM (B1HA042) . . . . . . . . . . . . . . 10

12 HEATING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,400 CFM (B1HA042) . . . . . . . . . . . . . . 10

13 COOLING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,600 CFM (B1HA048) . . . . . . . . . . . . . . 11

14 HEATING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 1,600 CFM (B1HA048) . . . . . . . . . . . . . . 11

15 COOLING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 2,000 CFM (B1HA060) . . . . . . . . . . . . . . 11

16 HEATING SUPERHEAT AT COMPRESSOR SUCTION,

AIRFLOW = 2,000 CFM (B1HA060) . . . . . . . . . . . . . . 11

17 THERMOSTAT SIGNALS (THREE PHASE

UNITS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

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Johnson Controls Unitary Products 3

GENERAL

YORK Model B1HA units are factory assembled heat

pumps designed for outdoor installation on a rooftop or

a slab. Field-installed electric heater accessories are

available to provide supplemental electric heat com-

bined with electric cooling and heating.

The units are completely assembled on rigid, remov-

able base rails. All piping, refrigerant charge, and elec-

trical wiring is factory installed and tested. The units

require only electric power and duct connections at the

point of installation.

The electric heaters have nickel-chrome resistance wire

elements and utilize single point power connection.

INSPECTION

As soon as a unit is received, it should be inspected for

possible damage during transit. If damage is evident,

the extent of the damage should be noted on the car-

rier's freight bill. A separate request for inspection by

the carrier's agent should be made in writing.

REFERENCE

Additional information on the design, installation, oper-

ation and service of this equipment is available in the

following reference forms:

• 341849 - General Installation

• 035-16605-003 - Electric Heater Accessory

REPLACEMENT PARTS

Contact your local York®parts distribution center for

authorized replacement parts.

PRODUCT NOMENCLATURE

This product must be installed in strict compli-

ance with the enclosed installation instructions

and any applicable local, state, and national

codes including, but not limited to, building,

electrical, and mechanical codes.

Improper installation may create a condition

where the operation of the product could cause

personal injury or property damage.

De-energize the electrical power to the unit

before attempting to inspect, repair or perform

maintenance to the unit.

B 1 H A A

PRODUCT NOMENCLATURE

PRODUCT GENERATION

1 = NEW or Current Design

PRODUCT CATEGORY

B = Single Package Heat Pumps

(Air Cooled)

PRODUCT IDENTIFIER

HA = Heat Pump (10 SEER)

30 6 2 5

FACTORY

INSTALLED ELECTRIC HEAT

A = No Electric Heat Installed

VOLTAGE CODE

25 = 208/230-3-60

46 = 460-3-60

58 = 575-3-60

NOMINAL COOLING

CAPACITY (MBH)

036 = 36,000 BTUH

042 = 42,000 BTUH

048 = 48,000 BTUH

060 = 60,000 BTUH

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4Johnson Controls Unitary Products

INSTALLATION

LIMITATIONS

These units must be installed in accordance with the

following national and local safety codes.

1. National Electrical Code ANSI/NFPS No. 70 or Cana-

dian Electrical Code Part 1, C22.1 (latest editions).

2. Local plumbing and waste water codes and other

applicable local codes.

Refer to Table 1 for unit application data and to Table 4

for electric heat application data.

If components are to be added to a unit to meet local

codes, they are to be installed at the dealer's and/or

the customer's expense.

Size of unit for proposed installation should be based

on heat loss/heat gain calculations made in accor-

dance with industry recognized procedures identified

by the Air Conditioning Contractors of America.

LOCATION

Use the following guidelines to select a suitable loca-

tion for these units.

1. Unit is designed for outdoor installation only.

2. Condenser must have an unlimited supply of air.

Where a choice of location is possible, position unit

on either north or east side of building.

3. For ground level installation, a level pad or slab

should be used. The thickness and size of the pad

or slab used should meet local codes and unit

weight. Do not tie the slab to the building foundation.

4. For roof top installation, be sure the structure will

support the weight of the unit plus any field

installed components. Unit must be installed on a

level roof curb or appropriate angle iron frame pro-

viding adequate support under the compressor/

condenser section.

5. Maintain level tolerance of unit to 1/8" maximum.

RIGGING AND HANDLING

Care must be exercised when moving the unit. Do not

remove any packaging until the unit is near the place of

installation. Rig unit with slings placed under the unit.

Spreader bars of sufficient length should be used

across the top of the unit.

BEFORE LIFTING A UNIT, MAKE SURE THAT ITS

WEIGHT IS DISTRIBUTED EQUALLY ON THE

CABLES SO THAT IT WILL LIFT EVENLY.

Units may also be moved or lifted with a fork-lift. Slot-

ted openings in the skid are provided for this purpose.

Forks must pass completely through the base.

Refer to Table 2 for unit weights and to Figure 1 for

approximate center of gravity.

FIGURE 1 - Center of Gravity

CLEARANCES

All units require certain clearances for proper operation

and service. Refer to Figure 4 for the clearances

required for construction, servicing and proper unit

operation.

TABLE 1: Unit Application Data

Voltage Variation,

Min./Max.1

1. Rated in accordance with ARI Standard 110, utilization

range “A”.

208/230 V2

2. “T1" transformer primary tap must be moved from the 230

volt connection to the 208 volt connection for low voltage

applications of 208 volt and below.

187/253

460 V 414/504

575 V 518/630

Wet Bulb Temperature (°F) of Air on

Evaporator Coil, Min./Max. 57/72

Dry Bulb Temperature (°F) of Air on

Condenser Coil, Min.3/Max.

3. A low ambient accessory is available for operation down to

0°F.

45/120

TABLE 2: Unit Dimensions

Size Shipping

Weight

(lbs.)

Operating

Weight

(lbs.)

Dimensions

“A” “B” “C” “D”

036 367 362 100 96 84 87

042 394 389 107 103 90 93

048 445 440 121 117 102 105

060 490 485 133 129 112 116

Do not permit overhanging structures or shrubs

to obstruct the condenser air discharge outlets.

25 22

CENTER OF GRAVITY

FRONT

UNIT

“A”

“B”

“C”

“D”

49 1/8 49 1/4

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Johnson Controls Unitary Products 5

DUCTWORK

These units are adaptable to downflow use as well as

rear supply and return air duct openings. To convert to

downflow, use the following steps:

1. Remove the duct covers found in the bottom return

and supply air duct openings. There are four (4)

screws securing each duct cover (save these screws

to use later).

2. Install the duct covers, removed in step one, to the

rear supply and return air duct openings. Secure

with the four (4) screws used in step one.

3. Seal duct covers with silicone caulk.

Downflow units must have an “L”-shaped supply duct

without any outlets or registers located below the outlet

of the unit.

Duct work should be designed and sized according to

the methods of the Air Conditioning Contractors of

America (ACCA), as set forth in their Manual D.

A closed return duct system shall be used. This shall

not preclude use of economizers or ventilation air

intake. Flexible joints may be used in the supply and

return duct work to minimize the transmission of noise.

NOTE: Be sure to note supply and return openings.

Refer to Figure 4 for information concerning rear and

bottom supply and return air duct openings.

FILTERS

A filter rack and high velocity filters are standard on

three phase units.

Filters must always be used and must be kept clean.

When filters become dirt laden, insufficient air will be

delivered by the blower, decreasing your units effi-

ciency and increasing operating costs and wear-and-

tear on the unit and controls.

Filters should be checked monthly especially since this

unit is used for both heating and cooling.

CONDENSATE DRAIN

A condensate trap is required to be installed in the con-

densate drain. The plumbing must conform to local

codes. Use a sealing compound on male pipe threads.

Install the condensate drain line (3/4“ NPTF) to spill

into an open drain.

SERVICE ACCESS

Access to all serviceable components is provided by

the following removable panels:

• Blower service access

• Electrical/Filter access

• Compressor service access

Refer to Figure 4 for location of these access panels

and minimum clearances.

THERMOSTAT

The room thermostat should be located on an inside

wall approximately 56" above the floor where it will not

be subject to drafts, sun exposure or heat from electri-

cal fixtures or appliances. Follow manufacturer's

instructions enclosed with the thermostat for general

installation procedure. Six color coded insulated wires

(minimum #18 AWG) should be used to connect ther-

mostat to unit. See Figure 2.

POWER AND CONTROL WIRING

Field wiring to the unit must conform to provisions of

the current N.E.C. ANSI/NFPA No. 70 or C.E.C. and/or

local ordinances. The unit must be electrically

grounded in accordance with local codes or, in their

absence, with the N.E.C./C.E.C. Voltage tolerances

which must be maintained at the compressor terminals

during starting and running conditions are indicated on

the unit Rating Plate and Table 4.

The wiring entering the cabinet must be provided with

mechanical strain relief.

A fused disconnect switch should be field provided for

the unit. If any of the wire supplied with the unit must be

replaced, replacement wire must be of the type shown

on the wiring diagram.

Electrical line must be sized properly to carry the load.

Each unit must be wired with a separate branch circuit

fed directly from the meter panel and properly fused.

Refer to Figure 2 for typical field wiring and to the

appropriate unit wiring diagram for control circuit and

power wiring information.

When fastening ductwork to side duct flanges

on unit, insert screws through duct flanges

only. DO NOT insert screws through casing.

Outdoor ductwork must be insulated and

waterproofed.

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6Johnson Controls Unitary Products

COMPRESSORS

Units are shipped with compressor mountings factory-

adjusted for shipping.

FIGURE 2 - Typical Field Wiring DIagram

Loosen compressor bolts half turn before

operating unit.

POWER WIRING

24 VOLT TRANSFORMER

UNIT TERMINAL STRIP

THERMOSTAT

CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can

cause improper and dangerous operation. Verify proper operation after servicing.

** = Minimum wire size of 18 AWG

wire should be used for all field

installed 24 volt wire.

* = Only required on units with

supplemental electric heat.

CONTROL WIRING

NOTE:

HEAT ANTICIPATOR

SHOULD BE SET AT 0.25

AMPS FOR ALL MODELS.

PROGRAMMABLE

THERMOSTAT ONLY

REFER TO ELECTRICAL DATA

TABLES TO SIZE THE

DISCONNECT SWITCH,

WIRING & OVERCURRENT

PROTECTION.

TABLE 3: Physical Data

Models BHA

036 042 048 060

Indoor

Blower Centrifugal Blower (Dia. X Wd. In.)

Fan Motor Hp 10 x 8 11 x 10 11 x 10 11 x 10

3/4 3/4 3/4 1

Indoor

Coil

Rows Deep

Fins Per Inch

Face Area (Sq. Ft.)

3333

15 15 16 16

4.38 4.38 5.62 5.62

Outdoor

Fan

Propeller Dia. (In.)

Fan Motor Hp

Nom. CFM Total

22 22 22 22

1/41/41/41/4

2,400 2,400 2,800 2,800

Outdoor

Coil

Rows Deep

Fins Per Inch

Face Area (Sq. Ft.)

1111

20 20 16 20

11.7 11.7 16.4 16.4

Charge Refrigerant 22 (Lbs./oz.) 5/5 6/0 9/0 10/0

Filter Face Area (Sq. Ft./qty./size) 4.28/2/14" x 22"

Compressor Hermetic Type, (Qty. = 1) Scroll Recip. Scroll Scroll

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Johnson Controls Unitary Products 7

TABLE 4: Electrical Data (Heat Pump / Electric Heat)

Size Volt Compressors

(each)

OD Fan

Motors

(each)

Supply

Blower

Motor Electric Heat Option MCA

(Amps)

Max Fuse/

Breaker Size1

(Amps)

Max HACR2

Breaker Size

RLA LRA FLA FLA Model Stages kW Amps

036 208/230-3-60 10.9 78.0 1.1 3.5 2NH04501025 1 7.5/10.0320.8/24.1 44.3/48.3 45/50 45/50

2NH04501525 1 11.3/15.0331.3/36.1 57.3/63.3 60/70 60/70

042 208/230-3-60 12.8 88.0 1.1 3.5 2NH04501025 1 7.5/10.0320.8/24.1 46.9/50.7 50/60 50/60

2NH04501525 1 11.3/15.0331.3/36.1 59.7/65.7 60/70 60/70

048 208/230-3-60 14.1 105.0 1.5 4.0

2NP04501025 1 7.5/10.0320.8/24.1 49.2/53.2 50/60 50/60

2NP04501525 1 11.3/15.0331.3/36.1 62.2/68.2 70/70 70/70

2NP04502025 2 15.0/20.0341.7/48.1 75.3/83.3 80/90 80/90

2NH04502525 2 18.8/25.0352.1/60.1 88.3/98.3 90/100 90/100

060 208/230-3-60 16.0 125.0 1.5 7.0

2NH04501025 1 7.5/10.0320.8/24.1 54.6/58.6 60/60 60/60

2NH04501525 1 11.3/15.0331.3/36.1 67.6/73.6 70/80 70/80

2NH04502025 2 15.0/20.0341.7/48.1 80.7/88.7 90/90 90/90

2NH04502525 2 18.8/25.0352.1/60.1 93.7/103.7 100/110 100/110

036 460-3-60 5.8 40.0 0.6 1.8 2NH04501046 1 10.0412.8 24.6 25 25

2NH04501546 1 15.0418.0 32.2 35 35

042 460-3-60 5.8 42.0 0.6 1.8 2NH04501046 1 10.0412.0 24.7 25 25

2NH04501546 1 15.0418.0 32.2 35 35

048 460-3-60 7.1 55.0 0.8 2.0

2NP04501046 1 10.0412.0 26.7 30 30

2NH04501546 1 15.0418.0 34.2 35 35

2NH04502046 2 20.0424.1 41.7 45 45

2NH04502546 2 25.0430.1 49.3 50 50

060 460-3-60 8.0 67.0 0.8 3.5

2NH04501046 1 10.0412.0 29.4 30 30

2NH04501546 1 15.0418.0 36.9 40 40

2NP04502046 2 20.0424.1 44.4 45 45

2NP04502546 2 25.0430.1 51.9 60 60

036 575-3-60 4.5 32.0 0.4 1.5 2NH04501058 1 10.059.6 19.6 20 20

2NH04501558 1 15.0514.4 25.6 30 30

042 575-3-60 5.8 44.0 0.4 1.5 2NH04501058 1 10.059.6 21.1 25 25

2NH04501558 1 15.0514.4 27.2 30 30

048 575-3-60 5.6 44.0 0.6 1.6

2NH04501058 1 10.059.6 21.3 25 25

2NH04501558 1 15.0514.4 27.3 30 30

2NH04502058 2 20.0519.2 33.3 35 35

2NH04502558 2 25.0524.1 39.3 40 40

060 575-3-60 6.4 50.0 0.6 2.8

2NH04501058 1 10.059.6 23.4 25 25

2NH04501558 1 15.0514.4 29.5 30 30

2NP04502058 2 20.0519.2 35.5 40 40

2NP04502558 2 25.0524.1 41.5 45 45

1. Dual element, time delay type.

2. Standard circuit breakers may be used in Canada and on applications over 60 amps where the heaters are separately fused.

3. KW listed is for 240 volts, use table at top of next page for 208 or 230 volts.

4. KW listed is for 480 volts, use table at top of next page for 460 volts.

5. KW listed is for 600 volts, use table at top of next page for 575 volts.

TABLE 5: Electrical Data (Basic Unit)

Size Volt Voltage

Limitations1Compressors

(each)

OD Fan

Motors

(each)

Supply

Blower

Motor MCA

(Amps)

Max Fuse

Size2

(Amps)

Max HACR

Breaker Size Unit Power

Factor Transformer

Size (VA)

Min. Max. RLA LRA FLA FLA

036 208/230-3-60 187 253 10.9 78.0 1.1 3.5 18.2 25 25 .96 75

042 208/230-3-60 187 253 12.8 88.0 1.1 3.5 20.6 25 25 .96 75

048 208/230-3-60 187 253 14.1 105.0 1.5 4.0 23.1 30 30 .96 75

060 208/230-3-60 187 253 16.0 125.0 1.5 7.0 28.5 40 40 .96 75

036 460-3-60 414 504 5.8 40.0 0.6 1.8 9.6 15 15 .96 75

042 460-3-60 414 504 5.8 42.0 0.6 1.8 9.7 15 15 .96 75

048 460-3-60 414 504 7.1 55.0 0.8 2.0 11.7 15 15 .96 75

060 460-3-60 414 504 8.0 67.0 0.8 3.5 14.3 20 20 .96 75

036 575-3-60 518 630 4.5 32.0 0.4 1.5 7.6 15 15 .96 75

042 575-3-60 518 630 5.8 44.0 0.4 1.5 9.1 15 15 .96 75

048 575-3-60 518 630 5.6 44.0 0.6 1.6 9.3 15 15 .96 75

060 575-3-60 518 630 6.4 50.0 0.6 2.8 11.4 15 15 .96 75

1. Rated in accordance with ARI Standard 110, utilization range “A”.

2. Dual element, time delay type.

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8Johnson Controls Unitary Products

Electric Heat

Correction

Factors

Nominal Voltage Voltage kW. Capacity

Multiplier

240 208 .75

230 .92

480 460 .92

600 575 .92

TABLE 6: Side & Bottom Supply Air Blower Performance 230/460/575 Volts

Size Blower

Speed

External Static Pressure (Inch Water Gauge)

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W

036 High - - - - - - - - 1414 617 1317 688 1219 660 1116 533 1013 507 910 480 - -

Medium - - - - 1472 647 1394 626 1297 495 1199 465 1102 435 985 397 - - - - - -

Low 1462 526 1400 506 1337 486 1275 467 1167 440 1100 414 1012 387 - - - - - - - -

042 High - - - - - - - - 1697 740 1580 706 1463 672 1339 640 1216 608 1092 576 - -

Medium - - - - - - 1673 830 1566 594 1439 558 1322 522 1182 476 - - - - - -

Low - - 1680 607 1608 584 1630 660 1425 528 1320 496 1214 464 1050 420 - - - - - -

048 High - - - - - - 1947 882 1867 857 1786 832 1706 807 1637 782 1569 757 1500 732 - -

Medium 1876 792 1829 772 1783 753 1736 733 1668 706 1599 680 1531 653 1434 622 1337 591 1240 560 - -

Low 1544 620 1508 610 1472 600 1436 590 1375 573 1313 557 1252 540 - - - - - - - -

036 High - - - - - - 2499 1290 2391 1233 2283 1177 2175 1120 2067 1080 1958 1040 1850 1000 - -

Medium - - 2454 1163 2387 1117 2320 1070 2229 1023 2137 977 2046 930 1950 887 1854 843 1758 800 - -

Low 2242 1090 2201 1053 2161 1017 2120 980 2041 927 1962 873 1883 820 1797 787 1711 753 1625 720 - -

TABLE 7: Side & Bottom Supply Air Blower Performance 208 Volts

Size Blower

Speed

External Static Pressure (Inch Water Gauge)

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1

CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W CFM W

036 High - - - - 1440 608 1381 571 1273 656 1185 530 1097 604 1004 480 912 456 - - - -

Medium 1465 631 1395 512 1325 492 1255 473 1167 446 1079 419 952 392 - - - - - - - -

Low 1316 473 1260 455 1204 438 1148 420 1069 396 990 372 911 348 - - - - - - - -

042 High - - - - 1728 725 1633 697 1527 666 1422 636 1317 606 1205 676 1094 547 - - - -

Medium - - 1674 614 1590 590 1506 567 1400 636 1296 602 1190 470 1063 428 - - - - - -

Low 1679 867 1612 646 1449 526 1377 504 1282 476 1188 447 1093 418 - - - - - - - -

048 High - - 1982 870 1939 850 1897 830 1813 800 1728 770 1644 740 1559 707 1474 673 1389 640 - -

Medium 1694 690 1662 673 1629 657 1597 640 1542 623 1486 607 1431 590 1336 563 1240 537 - - - -

Low 1385 520 1349 510 1312 500 1276 490 1235 480 - - - - - - - - - - - -

036 High - - - - 2450 1213 2366 1165 2282 1117 2198 1068 2114 1020 1989 993 1864 967 1739 940 - -

Medium 2339 1170 2275 1118 2211 1067 2147 1015 2083 963 2019 912 1955 860 1854 824 1753 788 1652 752 - -

Low 1929 940 1877 903 1824 867 1772 830 1720 793 1667 757 1615 720 1586 706 1557 691 1528 677 - -

TABLE 8: Additional Static Pressure Resistance1,2

Description Resistance, IWG

CFM

500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000

Wet Indoor Coil 0.01 0.01 0.01 0.02 0.02 0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.07

Economizer 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.07 0.08 0.08

Filter/Frame Kit 0.01 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.05 0.05 0.06 0.06 0.07

Electric Heat 0.02 0.03 0.03 0.03 0.04 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.01 0.11 0.11 0.12

1. Deduct these resistance values from the available external static pressures shown in the respective Blower Performance Table.

2. The pressure thru the economizer is greater for 100% outdoor air than for 100% return air. If the resistance of the return air duct system is less than

0.25 IWG, the unit will deliver less CFM during full economizer operation.

341849-YIM-A-0108

Johnson Controls Unitary Products 9

CHECKING SUPPLY AIR CFM

To check the supply air CFM after the initial balancing

has been completed:

1. Remove the two ¼ inch dot plugs in the duct panel.

2. Insert at least 8 inches of ¼ inch tubing into each of

these holes for sufficient penetration into the air-

flow on both sides of the indoor coil.

3. Using an inclined manometer, determine the pres-

sure drop across the dry evaporator coil. Since the

moisture on an evaporator coil may vary greatly,

measuring the pressure drop across a wet coil

under field conditions would be inaccurate. To

ensure a dry coil, the compressors should be deac-

tivated while the test is being run.

4. Knowing the pressure drop across a dry coil, the

actual CFM through the unit can be determined

from the curve in Coil Delta P vs. Supply Air CFM

Figure 3.

After readings have been obtained, remove the tubes

and reinstall the two ¼ inch plugs removed in Step 1.

NOTE: De-energize the compressors before taking any

test measurements to ensure a dry indoor coil.

FIGURE 3 - Coil Delta P vs. Supply Air CFM

Failure to properly adjust the total system air

quantity can result in extensive system damage.

B1HA Coil Delta

B1HA036

Delta Static (IWG)

Airflow (CFM)

B1HA042

Linear B1HA042

Linear B1HA036

Linear B1HA048-60

B1HA048-60

341849-YIM-A-0108

10 Johnson Controls Unitary Products

TABLE 9: Cooling Superheat at Compressor Suction, Airflow = 1,200 CFM (B1HA036)

Outdoor

Temperature

°F

Indoor WB Temperature, °F

55 57 59 61 63 65 67 69 71 73 75

65 12.8 16.1 19.3 22.5 25.8 29.0 32.2 35.0 37.7 40.4 43.1

70 11.4 14.3 17.2 20.1 22.9 25.8 28.7 31.6 34.4 37.3 40.1

75 9.9 12.5 15.0 17.6 20.1 22.7 25.2 28.2 31.1 34.1 37.1

80 8.5 10.7 12.9 15.1 17.3 19.5 21.7 24.8 27.9 31.0 34.0

85 7.0 8.9 10.8 12.6 14.5 16.3 18.2 21.4 24.6 27.8 31.0

90 5.6 7.1 8.6 10.1 11.7 13.2 14.7 18.0 21.3 24.7 28.0

95 - 5.3 6.5 7.7 8.8 10.0 11.2 14.6 18.1 21.5 25.0

100 - - 5.1 6.0 6.9 7.8 8.7 11.7 14.7 17.7 20.7

105 - - - - - 5.6 6.2 8.7 11.3 13.9 16.4

110 - - - - - - - 5.8 7.9 10.0 12.2

115 ---------6.27.9

TABLE 10: Heating Superheat at Compressor Suction, Airflow = 1,200 CFM (B1HA036)

Indoor DB

Temperature

°F

Heating Superheat at Compressor Suction, °F

-10 0 10 20 30 40 50 60

55 9.7 10.1 10.7 11.8 13.7 17.0 22.6 32.2

70 - - - - 4.6 7.8 13.4 23.0

80 ------7.316.9

TABLE 11: Cooling Superheat at Compressor Suction, Airflow = 1,400 CFM (B1HA042)

Outdoor

Temperature

°F

Indoor WB Temperature, °F

55 57 59 61 63 65 67 69 71 73 75

65 34.0 34.2 34.4 34.6 34.8 35.0 35.2 36.2 37.3 38.4 39.4

70 31.1 31.5 31.9 32.2 32.6 33.0 33.4 34.8 36.3 37.7 39.2

75 28.3 28.8 29.4 29.9 30.5 31.0 31.6 33.4 35.3 37.1 39.0

80 25.4 26.1 26.9 27.6 28.3 29.1 29.8 32.0 34.3 36.5 38.7

85 22.6 23.5 24.4 25.3 26.2 27.1 28.0 30.6 33.2 35.9 38.5

90 19.7 20.8 21.9 23.0 24.0 25.1 26.2 29.2 32.2 35.2 38.3

95 16.9 18.1 19.4 20.6 21.9 23.2 24.4 27.8 31.2 34.6 38.0

100 14.5 15.6 16.6 17.7 18.7 19.7 20.8 24.4 27.9 31.5 35.1

105 12.2 13.1 13.9 14.7 15.5 16.3 17.1 20.9 24.6 28.4 32.1

110 9.9 10.5 11.1 11.7 12.3 12.9 13.5 17.4 21.3 25.3 29.2

115 7.6 8.0 8.4 8.8 9.1 9.5 9.9 14.0 18.1 22.1 26.2

TABLE 12: Heating Superheat at Compressor Suction, Airflow = 1,400 CFM (B1HA042)

Indoor DB

Temperature

°F

Outdoor Temperature, °F

-10 0 10 20 30 40 50 60

55 5.1 5.5 6.2 7.4 9.6 13.5 20.3 32.4

70 - - - - 5.0 8.9 15.7 27.8

80 - - - - - 5.4 12.2 24.3

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