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501562-UIM-A-0909

R-410A

OUTDOOR SPLIT-SYSTEM

AIR CONDITIONING

MODELS: 18 SEER - CZH / AC8B / AL8B SERIES

2 TO 5 TONS

INSTALLATION MANUAL

LISTED

ISO 9001

Certified Quality

Management System

TABLE OF CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

TXV INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Instructing the Owner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

LIST OF FIGURES

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Tubing Hanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Underground Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Heat Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Typical Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Communications Harness Connection . . . . . . . . . . . . . . . . . . . . . . . . . 6

CFM Selection Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Communicating AC with Communicating Air Handler or Furnace . . . . 7

Communicating AC with Non-Communicating Air Handler

or Furnace using Communicating Interface Control . . . . . . . . . . . . . . . 7

Thermostat Chart - Two Stage AC –

Two Stage Variable Speed Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . .8

Thermostat Chart - Two Stage AC –

Two Stage Variable Speed Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . .9

Thermostat Chart - Two Stage AC – Variable Speed Furnaces . . . . .10

Thermostat Chart - Two Stage AC – Variable Speed Furnaces . . . . .11

Thermostat Chart - Two Stage AC – Variable Speed Furnaces . . . . .12

Thermostat Chart - Two Stage AC – Variable Speed Furnaces . . . . .13

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

LIST OF TABLES

R-410A Saturation Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

TEST Input Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Operational Mode Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Status Code Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Status Code Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Operational Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Sensor or Switch Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Wiring Related Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

SECTION I: GENERAL

The outdoor units are designed to be connected to a matching indoor

coil with sweat connect lines. Sweat connect units are factory charged

with refrigerant for the smallest rated indoor coil plus 15 feet of field

supplied lines.

Matching indoor coils are available with a thermal expansion valve or

an orifice liquid feed sized for the most common usage. The orifice size

and/or refrigerant charge may need to be changed for some system

combinations, elevation differences, or total line lengths. See Tabular

Data Sheet provided in unit literature packet for charge requirements.

Refer to Application Data covering “General Piping Recommendations

and Refrigerant Line Length” (Part Number 036-61920-001).

SECTION II: 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 dam-

age.

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 mainte-

nance can cause injury or property damage. Refer to this manual

for assistance or for additional information, consult a qualified con-

tractor, installer, or service agency.

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.

R-410A systems operate at higher pressures than R-22 systems.

Do not use R-22 service equipment or components on R-410A

equipment. Service equipment

Must Be Rated for R-410A.

1 2 3 4 5 6 ... 19 20

Inhaltsverzeichnis

Seite 1 - INSTALLATION MANUAL

501562-UIM-A-0909R-410AOUTDOOR SPLIT-SYSTEM AIR CONDITIONINGMODELS: 18 SEER - CZH / AC8B / AL8B SERIES2 TO 5 TONSINSTALLATION MANUALLISTEDISO 9001Cert

Seite 2

501562-UIM-A-090910 Johnson Controls Unitary Products FIGURE 12: Thermostat Chart - Two Stage AC – Variable Speed FurnacesAC 26A Two Stage Air Condit

Seite 3 - PERMAGUM OR EQUIVALENT

501562-UIM-A-0909Johnson Controls Unitary Products 11 FIGURE 13: Thermostat Chart - Two Stage AC – Variable Speed FurnacesAC 26B Two Stage Air Condit

Seite 4

501562-UIM-A-090912 Johnson Controls Unitary Products FIGURE 14: Thermostat Chart - Two Stage AC – Variable Speed FurnacesAC 31A Two Stage Air Condit

Seite 5 - SECTION IV: TXV INSTALLATIONS

501562-UIM-A-0909Johnson Controls Unitary Products 13 FIGURE 15: Thermostat Chart - Two Stage AC – Variable Speed FurnacesAC 31B Two Stage Air Condit

Seite 6

501562-UIM-A-090914 Johnson Controls Unitary ProductsDEHUMIDIFICATION CONTROLA dehumidification control accessory 2HU06700124 may be used withvariable

Seite 7 - CFM SELECTION BOARD SETTINGS

501562-UIM-A-0909Johnson Controls Unitary Products 15SECTION VIII: INSTRUCTING THE OWNERAssist owner with processing warranty cards and/or online regi

Seite 8

501562-UIM-A-090916 Johnson Controls Unitary ProductsLED DIAGNOSTIC INDICATORSThe control includes two LED’s that display diagnostic information.LED1

Seite 9

501562-UIM-A-0909Johnson Controls Unitary Products 17FAULT CODE DISPLAYThe control will display any fault code that is currently active using theLED’s

Seite 10 - 501562-UIM-A-0909

501562-UIM-A-090918 Johnson Controls Unitary ProductsCOOLING OPERATIONFirst-Stage Cooling OperationDuring first-stage cooling operation, the control w

Seite 11

501562-UIM-A-0909Johnson Controls Unitary Products 19SECTION IX: WIRING DIAGRAM FIGURE 16: Wiring Diagram

Seite 12

501562-UIM-A-09092 Johnson Controls Unitary ProductsINSPECTIONAs soon as a unit is received, it should be inspected for possible dam-age during transi

Seite 13

Seite 14 - SECTION VII: SYSTEM CHARGE

501562-UIM-A-0909Johnson Controls Unitary Products 3GROUND INSTALLATIONThe unit may be installed at ground level on a solid base that will notshift or

Seite 15

501562-UIM-A-09094 Johnson Controls Unitary Products4. The vapor line must be insulated with a minimum of 1/2" foam rub-ber insulation (Armaflex

Seite 16

501562-UIM-A-0909Johnson Controls Unitary Products 56. Protect the vapor valve with a wet rag and braze the vapor line con-nection to the outdoor unit

Seite 17

501562-UIM-A-09096 Johnson Controls Unitary ProductsFIELD CONNECTIONS POWER WIRING1. Install the proper size weatherproof disconnect switch outdoors a

Seite 18

501562-UIM-A-0909Johnson Controls Unitary Products 7CFM SELECTION BOARD SETTINGSFor proper system operation the CFM Selection Board jumpers must beset

Seite 19 - SECTION IX: WIRING DIAGRAM

501562-UIM-A-09098 Johnson Controls Unitary ProductsFor additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” docu

Seite 20 - Norman, OK 73069

501562-UIM-A-0909Johnson Controls Unitary Products 9 FIGURE 11: Thermostat Chart - Two Stage AC – Two Stage Variable Speed FurnacesAC 24B Two Stage A

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