2
WARNING
HIGH VOLTAGE
DISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT. MULTIPLE POWER
SOURCES MAY BE PRESENT. FAILURE TO DO SO
MAY CAUSE PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
WARNING
TO PREVENT THE RISK OF PROPERTY DAMAGE, PERSONAL
INJURY, OR DEATH, DO NOT STORE COMBUSTIBLE MATERI-
ALS OR USE GASOLINE OR OTHER FLAMABLE LIQUIDS OR
VAPORS IN THE VICINITY OF THIS APPLIANCE.
CAUTION
HAVE YOUR CONTRACTOR IDENTIFY ALL THE VARIOUS CUT
OFF SWITCHES AND DEVICES THAT SERVICE THIS UNIT.
KNOW WHERE THE SWITCH IS THAT WILL CUT OFF ENERGY
TO THE HEATING SYSTEM IN THE EVENT OF OVERHEATING.
CAUTION
THIS APPLIANCE IS NOT INTENDED FOR THE USE BY PER-
SONS (INCLUDING CHILDREN) WITH THE REDUCED PHYSICAL,
SENSORY OR MENTAL CAPABILITIES, OR LACK OF EXPERI-
ENCE AND KNOWLEDGE, UNLESS THEY HAVE BEEN GIVEN
SUPERVISION OR INSTRUCTION CONCERNING USE OF THE
APPLIANCE BY A PERSON RESPONSIBLE FOR THEIR SAFETY.
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY
DO NOT PLAY WITH THE APPLIANCE. APPLIANCE NOT ACCES-
SIBLE TO THE GENERAL PUBLIC.
WARNING
THIS UNIT SHOULD NOT BE CONNECTED TO, OR USED IN
CONJUNCTION WITH, ANY DEVICES THAT ARE NOT DESIGN
CERTIFIED FOR USE WITH THIS UNIT OR HAVE NOT BEEN
TESTED AND APPROVED BY THE MANUFACTURER. SERIOUS
PROPERTY DAMAGE OR PERSONAL INJURY, REDUCED UNIT
PERFORMANCE AND/OR HAZARDOUS CONDITIONS MAY
RESULT FROM THE USE OF DEVICES THAT HAVE NOT BEEN
APPROVED OR CERTIFIED BY THE MANUFACTURER.
CONTENTS
1 Important Safety Instructions
....................................... 3
2 Shipping Inspection
...................................................... 3
2.1 Parts ........................................................................... 3
2.2 Handling ..................................................................... 3
2.3 Shipping Material Removal......................................... 3
3 Codes & Regulations
.................................................... 3
4 Replacement Parts
........................................................ 4
5 Pre-Installation Instructions
......................................... 4
5.1 Preparation ................................................................. 4
5.2 System Matches ......................................................... 4
5.3 Interconnecting Tubing ............................................... 4
5.4 Clearances ................................................................. 4
6 Application Information
................................................ 4
7 Electrical And Control Wiring
....................................... 5
7.1 Building Electrical Service Inspection ......................... 5
7.2 Wire Sizing ................................................................. 5
7.3 Maximum Overcurrent Protection (MOP) ................... 5
7.4 Electrical Connections – Supply Voltage .................... 6
7.5 Fresh Air Openings ..................................................... 6
8 Achieving Low Air Leakage Rate
................................. 6
9 Start-Up Procedure
........................................................ 6
10 AWST-Factory Installed TXV Models
......................... 6
10.1 Tubing Size ............................................................... 6
10.2 Tubing Connections ................................................. 6
10.3 Thermal Expansion Valve System Adjustment ........ 7
11 Maintenance
................................................................. 7
12 Air Flow Data & Wiring Diagrams
............................... 8
12.1 Low Voltage Connections ......................................... 9
13 Expansion Valve Troubleshooting
............................. 9
14 Start-Up Checklist
..................................................... 15
WARNING
PARTIAL UNITS SHALL ONLY BE CONNECTED TO AN APPLI-
ANCE SUITABLE FOR THE SAME REFRIGERANT. THIS UNIT IS
A PARTIAL UNIT AIR CONDITIONER, COMPLYING WITH PARTIAL
UNIT REQUIREMENTS OF THIS INTERNATIONAL STANDARD, AND
MUST ONLY BE CONNECTED TO OTHER UNITS THAT HAVE BEEN
CONFIRMED AS COMPLYING TO CORRESPONDING PARTIAL
UNIT REQUIREMENTS OF THIS INTERNATIONAL STANDARD.
