Johnson Controls XAF Series Manuel utilisateur

Johnson Controls Ducted Systems

Installation Manual: XAF, XAH, and XAU

Series - Full Cased and Uncased Coils for

Cooling and Heat Pumps

XAF - full-cased upflow or downflow, XAH - full-cased

horizontal left or right, and XAU - uncased upflow or

downflow

York International Corporation, 5005 York

Drive, Norman, OK 73069

2021-07-12

5997451-UIM-A-0721

Supersedes: Nothing

2 Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps

Johnson Controls Ducted Systems

Contents

ContentsGeneral.................................................................................... 5

Certification............................................................................ 5

Safety....................................................................................... 5

Inspection......................................................................... 6

Clearances......................................................................... 6

Limitations...................................................................... 12

Installation overview........................................................... 12

Using a coil metering device.............................................. 12

Installing a piston.......................................................... 13

Installing a TXV............................................................... 14

Using a coil equipped with an EEV: XAF and XAH

coils................................................................................... 16

Installing the coil: XAF and XAH coils................................ 18

Using the duct flanges: XAF and XAH coils................. 18

Positioning the unit in horizontal applications: XAH

coils................................................................................... 20

Repositioning the transition angle for downflow or

horizontal right application with a furnace: XAF and

XAH coils........................................................................... 20

Horizontal right and left applications: XAH coils........ 20

Installing the coil: XAU coils............................................... 22

Critical coil projection: XAU coils.................................. 26

Connecting the duct system............................................... 26

Connecting the condensate drain..................................... 27

Connecting refrigerant lines.............................................. 27

Cleaning the coil.................................................................. 29

Adjusting the air system..................................................... 29

Instructing the homeowner............................................... 33

Installation verification....................................................... 33

Johnson Controls Ducted Systems

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps 3

4 Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps

Johnson Controls Ducted Systems

General

Read all sections of this manual and keep the manual for

future reference.

WARNING: Cancer and Reproductive Harm –

www.P65Warnings.ca.gov.

This installation manual covers the following:

• Installation of XAF and XAH coils with furnaces or

JMET and JMVT modular air handlers

• Installation of XAU coils with 80+% AFUE furnaces

and 90+% AFUE furnaces

XAF, XAH, and XAU coils have sweat connect fittings. The

coils are shipped with a low psi nitrogen charge. See

Figure 1 and Figure 2.

Certification

Safety

This is a safety alert symbol. When you see this

symbol on labels or in manuals, be alert to the

potential for personal injury.

Understand and pay particular attention to the signal

words DANGER, WARNING, or CAUTION.

DANGER indicates an imminently hazardous situation,

which, if not avoided, will result in death or serious

injury.

WARNING indicates a potentially hazardous situation,

which, if not avoided, could result in death or serious

injury.

CAUTION indicates a potentially hazardous situation,

which, if not avoided may result in minor or moderate

injury. It is also used to alert against unsafe practices and

hazards involving only property damage.

WARNING

Improper installation may create a condition where the

operation of the product could cause personal injury

or property damage. Improper installation, adjustment,

alteration, service, or maintenance can cause injury or

property damage. Refer to this manual for assistance.

For additional information, consult a qualified installer

or service agency.

CAUTION

This product must be installed in strict compliance

with the enclosed installation instructions and any

applicable local, state, and national codes including

but not limited to building, electrical, and mechanical

codes.

WARNING

The furnace area must not be used as a broom

closet or for any other storage purposes, as a fire

hazard may be created. Never store items such as the

following on, near, or in contact with the furnace.

1. Spray or aerosol cans, rags, brooms, dust mops,

vacuum cleaners, or other cleaning tools

2. Soap powders, bleaches, waxes or other cleaning

compounds; plastic items or containers; gasoline,

kerosene, cigarette lighter fluid, dry cleaning fluids or

other volatile fluid

3. Paint thinners and other painting compounds

4. Paper bags, boxes, or other paper products

Never operate the furnace with the blower door

removed. To do so could result in serious personal

injury and/or equipment damage.

WARNING

This appliance is not intended for use by persons

(including children) with reduced physical, sensory,

or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision

or instruction concerning use of the appliance by a

person responsible for their safety.

Children must be supervised to ensure that they do

not play with the appliance.

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps 5

Johnson Controls Ducted Systems

NOTICE

To ensure a correct match for this indoor product,

refer to the current Tabular Data Sheet for the outdoor

equipment selected for the system application. If

the indoor product model is not listed in the Tabular

Data Sheet included with the outdoor unit, to access

the current version of the Tabular Data Sheet, go to

the Residential Equipment & Supplies section of the

Offering Catalog at www.simplygettingthejobdone.com

or scan the QR code provided on the outdoor unit

rating plate.

NOTICE

If applying this coil with an oil furnace, a 6-in. long

section of duct is required between the furnace leaving

air opening and the entering air end of the coil.

Inspection

On receiving a coil, do the following:

• Check the coil to ensure it is still under pressure as

shown in Figure 1 or Figure 2.

• Inspect the coil for possible damage during transit.

If damage is evident, note the extent of the damage

on the carrier’s delivery receipt. Make a separate

request for inspection by the carrier’s agent in

writing. Consult your local distributor for more

information.

• Check the drain pan for cracks or breakage.

Figure 1: Pressure check - XAF and XAH

Figure 2: Pressure check - XAU

Note: Verify that the coil is under pressure when

received. Depress the Schrader valve core once to

check for pressure.

Clearances

During installation, it is important to be aware of

required clearances. See Table 1, Table 2, and Table 3 for

dimensions for indoor coils. Provide clearances for the

following:

• Refrigeration piping and connections

• Maintenance and servicing access, including access

for cleaning the coil

• Condensate drain line

• Removal of the coil assembly

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps6

Johnson Controls Ducted Systems

Figure 3: Component location - XAF upflow or downflow full-cased coil

Figure 4: Dimensions - XAF upflow or downflow full-cased coil

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps 7

Johnson Controls Ducted Systems

Table 1: Dimensions - XAF upflow or downflow full-cased coil

Dimensions

Height Width Opening widths Refrigerant connections line size

Models

A (in.) B (in.) C (in.) D (in.) Liquid (in.) Vapor (in.)

XAFA18AXXN1* 19 1/2 14 1/2 13 1/2 13 1/2

XAFA18ABAN1 19 1/2 14 1/2 13 1/2 13 1/2

XAFB18AXXN1* 19 17 1/2 16 1/2 16 1/2

XAFB18ABAN1 19 17 1/2 16 1/2 16 1/2

XAFA24BXXN1* 21 5/8 14 1/2 13 1/2 13 1/2

XAFA24BBAN1 21 5/8 14 1/2 13 1/2 13 1/2

XAFB24BXXN1* 23 17 1/2 16 1/2 16 1/2

XAFB24BBAN1 23 17 1/2 16 1/2 16 1/2

XAFB30CXXN1* 25 5/8 17 1/2 16 1/2 16 1/2

XAFB30CBAN1 25 5/8 17 1/2 16 1/2 16 1/2

XAFC30CXXN1* 23 21 20 20

XAFC30CBAN1 23 21 20 20

XAFA30DXXN1* 25 1/2 14 1/2 13 1/2 13 1/2

XAFA30DBAN1 25 1/2 14 1/2 13 1/2 13 1/2

XAFB36DXXN1* 25 5/8 17 1/2 16 1/2 16 1/2

XAFB36DBAN1 25 5/8 17 1/2 16 1/2 16 1/2

XAFB36DBCN1 25 5/8 17 1/2 16 1/2 16 1/2

XAFC36DXXN1* 23 21 20 20

XAFC36DBAN1 23 21 20 20

XAFC36DBCN1 23 21 20 20

3/4

XAFB36EXXN1* 25 5/8 17 1/2 16 1/2 16 1/2

XAFB36EBCN1 25 5/8 17 1/2 16 1/2 16 1/2

XAFC42EXXN1* 25 21 20 20

XAFC42EBCN1 25 21 20 20

XAFD42EXXN1* 25 24 1/2 23 1/2 23 1/2

XAFD42EBCN1 25 24 1/2 23 1/2 23 1/2

XAFC48FXXN1* 27 21 20 20

XAFC48FBAN1 27 21 20 20

XAFC48FBCN1 27 21 20 20

XAFD48FXXN1* 27 24 1/2 23 1/2 23 1/2

XAFD48FBAN1 27 24 1/2 23 1/2 23 1/2

XAFD48FBCN1 27 24 1/2 23 1/2 23 1/2

XAFC60GXXN1* 33 21 20 20

XAFC60GBAN1 33 21 20 20

XAFC60GBCN1 33 21 20 20

XAFD60GXXN1* 32 3/4 24 1/2 23 1/2 23 1/2

XAFD60GBAN1 32 3/4 24 1/2 23 1/2 23 1/2

XAFD60GBCN1 32 3/4 24 1/2 23 1/2 23 1/2

XAFC60HXXN1* 37 1/4 21 20 20

XAFC60HBCN1 37 1/4 21 20 20

XAFD60HXXN1* 37 1/4 24 1/2 23 1/2 23 1/2

XAFD60HBCN1 37 1/4 24 1/2 23 1/2 23 1/2

XAFD60JXXN1* 32 3/4 24 1/2 23 1/2 23 1/2

XAFD60JBCN1 32 3/4 24 1/2 23 1/2 23 1/2

3/8

7/8

Note:

• * denotes coil models available with a factory installed thermal expansion valve (TXV).

• Refrigerant line sizes may require larger lines for extended line lengths. Refer to application data part number

247077.

• The adapter fitting must be field installed for any refrigeration piping sizes not shown in the table.

• Refer to the Technical Guide for the outdoor unit for the proper refrigeration piping size.

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps8

Johnson Controls Ducted Systems

Figure 5: Component location - XAH full-cased horizontal left or right coil

Figure 6: Dimensions - XAH full-cased horizontal left or right coil

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps 9

Johnson Controls Ducted Systems

Table 2: Dimensions - XAH full-cased horizontal left or right coil

Dimensions

Width Height Opening heights Refrigerant connections line size

Models

A (in.) B (in.) C (in.) D (in.) Liquid (in.) Vapor (in.)

XAHA18AXXN1* 23 14 1/2 13 1/2 13 1/2

XAHA18ABAN1 23 14 1/2 13 1/2 13 1/2

XAHA24BXXN1* 23 14 1/2 13 1/2 13 1/2

XAHA24BBAN1 23 14 1/2 13 1/2 13 1/2

XAHB24BXXN1* 23 17 1/2 16 1/2 16 1/2

XAHB24BBAN1 23 17 1/2 16 1/2 16 1/2

XAHB30CXXN1* 25 5/8 17 1/2 16 1/2 16 1/2

XAHB30CBAN1 25 5/8 17 1/2 16 1/2 16 1/2

XAHC30CXXN1* 27 21 20 20

XAHC30CBAN1 27 21 20 20

XAHB36DXXN1* 25 5/8 17 1/2 16 1/2 16 1/2

XAHB36DBAN1 25 5/8 17 1/2 16 1/2 16 1/2

XAHB36DBCN1 25 5/8 17 1/2 16 1/2 16 1/2

XAHC36DXXN1* 27 21 20 20

XAHC36DBAN1 27 21 20 20

XAHC36DBCN1 27 21 20 20

XAHC42EXXN1* 28 3/4 21 20 20

XAHC42EBCN1 28 3/4 21 20 20

XAHD42EXXN1* 32 3/4 24 1/2 23 1/2 23 1/2

XAHD42EBCN1 32 3/4 24 1/2 23 1/2 23 1/2

3/4

XAHC48FXXN1* 33 21 20 20

XAHC48FBAN1 33 21 20 20

XAHC48FBCN1 33 21 20 20

XAHD48FXXN1* 32 3/4 24 1/2 23 1/2 23 1/2

XAHD48FBAN1 32 3/4 24 1/2 23 1/2 23 1/2

XAHD48FBCN1 32 3/4 24 1/2 23 1/2 23 1/2

XAHC60GXXN1* 37 1/4 21 20 20

XAHC60GBAN1 37 1/4 21 20 20

XAHC60GBCN1 37 1/4 24 1/2 23 1/2 23 1/2

XAHD60GXXN1* 37 1/4 24 1/2 23 1/2 23 1/2

XAHD60GBAN1 37 1/4 24 1/2 23 1/2 23 1/2

XAHD60GBCN1 37 1/4 24 1/2 23 1/2 23 1/2

XAHC60HXXN1* 39 21 20 20

XAHC60HBCN1 39 21 20 20

XAHD60HXXN1* 39 24 1/2 23 1/2 23 1/2

XAHD60HBCN1 39 24 1/2 23 1/2 23 1/2

XAHD60JXXN1* 37 1/4 24 1/2 23 1/2 23 1/2

XAHD60JBCN1 37 1/4 24 1/2 23 1/2 23 1/2

3/8

7/8

Note:

• * denotes coil models available with a factory installed thermal expansion valve (TXV).

• Refrigerant line sizes may require larger lines for extended line lengths. Refer to application data part number

247077.

• The adapter fitting must be field installed for any refrigeration piping sizes not shown in the table.

• Refer to the Technical Guide for the outdoor unit for the proper refrigeration piping size.

Installation Manual: XAF, XAH, and XAU Series - Full Cased and Uncased Coils for Cooling and Heat Pumps10

Johnson Controls Ducted Systems

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