Johnson Controls AC6B - Manual
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Table of Contents:
- Page 2 – Johnson Controls Unitary Products; INSPECTION; SECTION III: UNIT INSTALLATION; LOCATION; Must Be Rated; NOTICE
- Page 3 – Apply with Models
- Page 4 – PRECAUTIONS DURING LINE INSTALLATION; Connect the refrigerant lines using the following procedure:
- Page 5 – SECTION IV: EVACUATION; GENERAL INFORMATION & GROUNDING
- Page 6 – FIELD CONNECTIONS POWER WIRING; Panel
- Page 7 – CFM SELECTION BOARD SETTINGS
- Page 11 – SECTION VI: SYSTEM CHARGE; Measurement Method; must; SECTION VII: INSTRUCTING THE OWNER; MAINTENANCE
- Page 12 – SECTION VIII: AC CONTROL BOARD; ANIT-SHORT CYCLE DELAY
- Page 13 – LED DIAGNOSTIC INDICATORS
- Page 14 – FAULT CODE DISPLAY
- Page 15 – COOLING OPERATION; OUTDOOR AMBIENT TEMPERATURE SENSOR
- Page 16 – SECTION IX: WIRING DIAGRAM
- Page 18 – NOTES
562156-UIM-A-0610
R-410A
OUTDOOR SPLIT-SYSTEM
AIR CONDITIONING
MODELS: 16 SEER - CZF / AC6B / AL6B SERIES
2 TO 5 TONS
INSTALLATION MANUAL
LISTED
ISO 9001
Certified Quality
Management System
TABLE OF CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . 5
SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
INSTRUCTING THE OWNER . . . . . . . . . . . . . . . . . . . . . . . 11
AC CONTROL BOARD FUNCTIONALITY . . . . . . . . . . . . . 12
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
LIST OF FIGURES
Typical Installation with Required Clearances . . . . . . . . . . . . 3
Tubing Hanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Underground Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Heat Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
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 Wiring – Single Stage Air Conditioner
(with AC control) – PSC Air Handler . . . . . . . . . . . . . . . . . . . . 8
Thermostat Wiring – Single Stage Air Conditioner
(with AC control) – VS Air Handler . . . . . . . . . . . . . . . . . . . . . 9
Thermostat Wiring – Single Stage Air Conditioner
(with AC control) – Modulating Furnace . . . . . . . . . . . . . . . . 10
Wiring Diagram (2 - 4 Ton) . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Wiring Diagram (5 Ton) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LIST OF TABLES
R-410A Saturation Properties . . . . . . . . . . . . . . . . . . . . . . . . 12
TEST Input Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operational Mode Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Status Code Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Status Code Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operational Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Sensor or Switch Fault Codes . . . . . . . . . . . . . . . . . . . . . . . 14
Wiring Related Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . 14
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 highest sales volume evaporator 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 247077).
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.
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Summary
562156-UIM-A-0610 2 Johnson Controls Unitary Products INSPECTION As soon as a unit is received, it should be inspected for possible dam-age during transit. If damage is evident, the extent of the damageshould be noted on the carrier’s delivery receipt. A separate request forinspection by the carrier...
562156-UIM-A-0610 Johnson Controls Unitary Products 3 GROUND INSTALLATION The unit may be installed at ground level on a solid base that will notshift or settle, causing strain on the refrigerant lines and possible leaks.Maintain the clearances shown in Figure 1 "Typical Installation withRequire...
562156-UIM-A-0610 4 Johnson Controls Unitary Products The outdoor condensing unit must be connected to the indoor evapora-tor coil using field supplied refrigerant grade copper tubing that is inter-nally clean and dry. Units should be installed only with the tubing sizesfor approved system combinati...
