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
66 PB
WIRING DIAGRAMS
24K VHA 208/230V 7.5/10
Figure 807 (80126401)
WHITE
WHITE
WHITE
BLUE
RED
WHITE
R
E
D
5
4
0
WHITE
BLACK
GREEN
BROWN
C
BROWN
BROWN
GREEN
F
A
N
H
E
R
M
L1
C
L2
BLACK
H
E R
M
ELECTRONIC CONTROL
F
A
N
BLACK
TERMINAL DETAIL
BLUE
BLUE
BLACK
BLACK
BLUE
HEATER
7.5 KW & 10.0 KW
BLACK (TO L1)
BLACK
RED
BLUE
BLACK
PRESSURE
SWITCH
COMPRESSOR
CONTACTOR
QUICK DISCONNECT
COIL SOLENOID
TO MOTOR
MOUNT
FAN MOTOR
CAPACITOR
BLOWER
MOTOR
TO MOTOR
MOUNT
WHITE
(
TO L2)
CAPACITOR
COMPRESSOR
GASKET
TEMINAL COVER
WASHER
NUT
HARNESS COMPRESSOR
INDOOR COIL SENSOR
OUTDOOR COIL SENSOR
TO DISPLAY
AMBIENT
AIR SENSOR
L2 or ACN
L1
RV
RELAY
FAN 4
RELAY
FAN 3
RELAY
FAN 2
RELAY
VOLTAGE SELECTION SWITCH
SET VOLTAGE TO 220V
FAN 1
RELAY
HEAT
RELAY
HEAT
RELAY
COMP
RELAY
02