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
14 PB
SPECIFICATIONS
Electrical Data
Figure 202
MODEL VHA09K VHA12K
HEATER WATTS 2500/2050 3400/2780 5000/4090 2500/2050 3400/2780 5000/4090
VOLTAGE 230/208 230/208
ELEC. HEATING
CURRENT (AMPS)
12.0/11.1 16.0/14.6 22.9/20.9 12.0/11.1 16.0/14.6 22.9/20.9
MINIMUM CIRCUIT
AMPACITY
15 19.9 28.6 15 19.9 28.6
BRANCH CIRCUIT
FUSE (AMPS)
15 20 30 15 20 30
LRA - COMPRESSOR
(AMPS)
21.0 21.0 21.0 30.0 30.0 30.0
COOLING CURRENT
(AMPS)
4.3/4.3 4.3/4.3 4.3/4.3 5.7/5.9 5.7/5.9 5.7/5.9
BASIC HEATER SIZE 2.5 kW 3.4 kW 5.0 kW 2.5 kW 3.4 kW 5.0 kW
POWER CONNEC-
TION
HARD WIRED HARD WIRED
RECOMMENDED
BRANCH CIRCUIT
WIRE SIZES* AWG-
AMERICAN WIRE
GAUGE
14 12 10 14 12 10
MODEL VHA18K VHA24K
HEATER WATTS
2500/
2050
3400/
2780
5000/
4090
2500/
2050
3400/
2780
5000/
4090
7500/
6135
10000/
8180
VOLTAGE
230/208
ELEC. HEATING
CURRENT (AMPS)
10.9/9.9 14.8/13.4 21.7/19.7 10.9/9.9 14.8/13.4 21.7/19.7 32.6/29.5 43.5/39.3
MINIMUM CIRCUIT
AMPACITY
14.3 19.2 27.8 17.2 22.1 30.7 44.3 57.8
BRANCH CIRCUIT
FUSE (AMPS)
15 20 30 25 25 30 45 60
LRA - COMPRESSOR
(AMPS)
42.0 42.0 42.0 46.0 46.0 46.0 46.0 46.0
COOLING CURRENT
(AMPS)
8.6/9.2 8.6/9.2 8.6/9.2 10.6/10.9 10.6/10.9 10.6/10.9 10.6/10.9 10.6/10.9
BASIC HEATER SIZE
2.5 kW 3.4 kW 5.0 kW 2.5 kW 3.4 kW 5.0 kW 7.5 kW 10.0 kW
POWER CONNEC-
TION
HARD WIRED