Service and Parts Manual (2016, 2017, 2018, 2014, 2015, 2013, 2012)
Table Of Contents
- INTRODUCTION
- IMPORTANT SAFETY INFORMATION
- PERSONAL INJURY OR DEATH HAZARDS
- Operation of Equipment in During Construction
- Equipment Identification
- Model and Serial Number Location
- Model and Serial Number information is found on the Manufacturer’s DATA TAG, located on the front or top.
- Model Number Reference Guide
- SERIAL NUMBER REFERENCE GUIDE
- Chassis Specifications
- Small Chassis Dimensions
- Large Chassis Dimensions
- Electrical Data
- Electrical Requirements
- Electrical Ratings Table
- Supply Air Flow and Data
- ELECTRONIC CONTROL BOARD FEATURES
- Electronic Sequence of Operation
- Interface Connector Definitions
- Remote Wall Thermostat
- Remote Wall Thermostat Location
- Desk Control
- Auxiliary Fan Control
- Unit Heat Control Operation - Heat Pump With Electric Heat
- Refrigeration Sequence Of Operation
- Remove The Chassis
- Servicing / Chassis Quick Changeouts
- To Remove the Chassis from the Closet:
- Refrigerant Charging
- Undercharged Refrigerant Systems
- Overcharged Refrigerant Systems
- Restricted Refrigerant System
- Sealed System Method of Charging/ Repairs
- Checking External Static Pressure
- Explanation of charts
- Indoor Airflow Data
- Ductwork Preparation
- Fresh Air Door
- Checking Approximate Airflow
- Electric Heat Strips
- COMPONENT TESTING
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement -Special Procedure in Case of Compressor Burnout
- Fan Motor
- Capacitors
- Heating Element and Limit Switch
- Drain Pan Valve
- Thermistor Resistence Values (This Table Applies to All Thermistors)
- Testing the Diagnostic Service Module
- Testing the Electronic Control Board
- ELECTRONIC CONTROL BOARD COMPONENTS IDENTIFICATION AND TESTING
- Error Codes and Alarm Status
- Electrical Troubleshooting Chart - Cooling
- 9K Btu, 12K Btu, & 18K Btu
- 24K Btu
- Electrical Troubleshooting Chart - Heat Pump
- Troubleshooting Chart - Cooling
- 9-18K VEA 208/230V
- 9-18K VHA 208/230V
- 9-18K VHA 265V
- 24K VEA 208/230V 2.5/3.4/5.0
- 24K VEA 208/230V 7.5/10.0
- 24K VHA 208/230V 2.5/3.4/5.0
- 24K VHA 208/230V 7.5/10
- 24K VHA 265V 2.5/3.4/5.0
- 24K VHA 265V 7.5/10.0
- VEA9K, VHA9K, VEA12K, VHA12K, VEA18K Figure 901
- AVAILABLE ACCESSORIES
- Thermostat - Rt6
- Thermostat - Rt6p
- Thermostat - WRT1
- Drain Pan
92 PB
Available Accessories
Thermostat - Rt6
Operating Modes
There are three possible operating modes for the RT6 . O, Heat, and Cool modes are accessed by pressing the
SYS (left) button.
OFF Mode
devices
• In this mode, the thermostat will not turn on the heating or cooling
Note: The indoor fan can be turned on manually in every operating
OFF
mode by pressing the FAN (right) button. The word FAN
shows on the display and the fan icon appears when the fan
operates.
Heat Mode
• In this mode, the thermostat controls the heating system. When the heat
outputs, the flame icon apprears on the display.
Note: For heat pumps, there is a four minute delay for your
compressor to restart after it has turned o. To bypass the
compressor time delay, go to OFF mode for 5 seconds.
Cool Mode
• In this mode, the thermostat controls the cooling system. When the
cooling outputs, the snowflake icon apprears on the display.
Note: There is a four minute delay for your compressor to restart after
it has turned o. To bypass the compressor time delay, go to
OFF mode for 5 seconds.
Heat Set Point
HEAT icon will blink.
Cool Set Point
• Use the SYS button to select Heat Mode. Press the up or down button to view the
current heat set point larger on the display. When the large set point is displayed,
the HEAT icon will blink. The up or down buttons can be used to adjust the set point.
After 5 seconds of inactivity the screen will display the room temperature and the
HEAT icon will not blink.
COOL icon will blink.
inactivity the screen will display the room
temperature and the COOL icon will not blink.
Set Point Adjustment
• Use the SYS button to select Cool Mode. Press the up or down button to
view the current cool set point larger on the display. When the large set
point is displayed, the COOL icon will blink. The up or down buttons can
be used to adjust the set point. After 5 seconds of