9-18K24K
Single Package Vertical Air Conditioning System
L-BSuffi x, R410A Models
A Series Electronic Controls
Table of Contents
ELECTRICAL HAZARDS
IMPORTANT SAFETY INFORMATION
PERSONAL INJURY OR DEATH HAZARDS
NOTICE
REFRIGERATION SYSTEM HAZARDS
MECHANICAL HAZARDS
FIRE DAMAGE HAZARDS
INTRODUCTION
PROPERTY DAMAGE HAZARDS
WATER DAMAGE HAZARDS
VPAK SERIAL NUMBER IDENTIFICATION GUIDE
00001
SampleNameplateseeyourchassis nameplate
MODEL IDENTIfiCATION GUIDE
ELECTRIC SHOCK HAZARD
NOTICE
ELECTRICAL REQUIREMENTS
ELECTRICAL DATA
For VPAK Heat Pumps 24K
Chassis Specifi cations
For VPAK Cool with Electric Heat 24K
ELECTRICAL DATA
Model #
TECHNICAL SERVICE DATA Cooling Performance Data
Extended Cooling Performance Data
Model #
ELECTRONIC CONTROL BOARD FEATURES
Heat Pump With Electric Heat Operation
Compressor Heat Heat / Cool Units
Heat Mode in Cool with Electric Heat Units
Condition
Fan Speed Change Delay
Cooling Fan Delay
Heating Fan Delay
RoomAirSamplingFeature
Low Voltage Interface Connections
Connecting a Remote Wall Thermostat
Remote Wall Thermostat
Figure 1 Interface Connector Location
Warranty
SERVICE
REMOTE WALL THERMOSTAT LOCATION
Servicing/ChassisQuickChangeouts
Left and Front Sides Left and Back Sides
VPAK 9-18KBTU UNITS COMPONENTS IDENTIFICATION
Front Side Right Side
Ground Air Intake
Left and Back Sides
VPAK 24K BTU UNITS COMPONENTS IDENTIFICATION
Air Intake Front Side
Right Side Condenser
Error
ERROR CODES AND ALARM STATUS
Check Error Codes
Problem
Testing the Electronic Control Board
COMPONENTS TESTING
Testing the Diagnostic Service Module
Diagnostic Service Module
2.Test the 10 amp/250 VAC fuse for continuity
Capacitor Check with Capacitor Analyzer
COMPONENTS TESTING Continued
CAPACITORS
Capacitor Connections
COMPONENTS TESTING CONTINUED
Checking External Static Pressure
Determining the Indoor CFM: Chart A – CFM
External Static Pressure
Indoor Airflow Data
Explanation of charts
Chart B – Correction Multipliers
Ductwork Preparation
REFRIGERATION SEQUENCE OF OPERATION
Refrigeration Assembly
SEALED REFRIGERATION SYSTEM REPAIRS
Refrigerant Charging
BURN HAZARD
Method Of Charging / Repairs
Undercharged Refrigerant Systems
FREEZE HAZARD
Overcharged Refrigerant Systems
Restricted Refrigerant System
CHECK VALVE
HERMETIC COMPONENTS CHECK
METERING DEVICE
Capillary Tube Systems
CHECKING THE REVERSING VALVE
TESTING THE COIL
REVERSING VALVE DESCRIPTION/OPERATION
ELECTRIC SHOCK HAZARD
Touch Test in Heating/Cooling Cycle
Procedure For Changing Reversing Valve
NOTICE
COMPRESSOR CHECKS
Single Phase Connections
Single Phase Running and L.R.A. Test
Locked Rotor Voltage L.R.V. Test
Internal Overload VPAK 24 K Btus
Single Phase Resistance Test
External Overload VPAK 9, 12, 18 K Btus
BURN HAZARD
NOTICE
COMPRESSOR REPLACEMENT
Recommended procedure for compressor replacement
ROUTINE MAINTENANCE
Sizing Guide
HOW IS ALL OF THE INSTALLATION?
GOOD
FAHRENHEIT
THERMISTORS’ RESISTANCE VALUES
This Table Applies to All Thermistors
NO COOLING OPERATION
ELECTRICAL TROUBLESHOOTING CHART - COOLING
9K BTU, 12K BTU, & 18K BTU
check for Error
Before continuing check for Error Codes, see
24K BTU
ELECTRICAL TROUBLESHOOTING CHART - COOLING
electronics control diagnostics on page
HEAT PUMP MODE
ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP
SYSTEM COOLS WHEN HEATING IS DESIRED
Is Selector Switch set for Heat?
PROBLEM
TROUBLESHOOTING CHART - COOLING
TROUBLESHOOTING CHART - HEATING HEAT PUMP
REFRIGERANT SYSTEM DIAGNOSIS COOLING
C GH GL B Y W R RC GH GL O/B Y W
REMOTE WALL THERMOSTAT WIRING DIAGRAMS
COOL WITH ELECTRIC HEAT
HEAT PUMP WITH ELECTRIC HEAT
VEA 9K12K/18K
WIRING DIAGRAM COOL EH 2.5KW, 3.4KW, 5.0KW
LEGEND FOR TSTAT WIRING HARNESS
GH GL B Y
VHA 9K/12K/18K
WIRING DIAGRAM HEAT PUMP EH 2.5KW, 3.4KW, 5.0KW
LEGEND FOR TSTAT WIRING HARNESS
92160301
C S R
COOL WITH ELECTRIC HEAT
92160601
7.5KW, 10.0KW
LEGEND FOR TSTAT WIRING HARNESS
COOL WITH ELECTRIC HEAT
92160701
2.5KW, 3.4KW, 5.0KW
WIRING DIAGRAM HEAT PUMP EH
LEGEND FOR TSTAT WIRING HARNESS
VHA 24K
7.5KW, 10.0KW
WIRING DIAGRAM HEAT PUMP EH
LEGEND FOR TSTAT WIRING HARNESS
VHA 24K
VPAWP1-14
ACCESSORIES
VPAWP1-8
VPAL2
SINGLE PACKAGE VERTICAL AIR CONDITIONERS
LIMITED WARRANTY
VERT-I-PAK A SERIES
3 5 11
2011 VPAK 9K-18KBTU/h Models
8 4 7 1 9 10
16 17 15 13 14 12
2011 VPAK 9K-18KBTU/h Models
2011 VPAK 9K-18KBTU/h Models
25 26 16 28
20 19 18 22 21
2011 VPAK 9K-18KBTU/h Models
2011 VPAK Parts List
9K-18KBTU/h Models
2011 VPAK 24K BTU/h Models
9 8 3
2 4 1 6 5
2011 VPAK 24K BTU/h Models
14 10 16
15 23 13 12 22 11 21 19 20
24 26 30 29 28 25 14
2011 VPAK 24K BTU/h Models
33 31 32
2011 VPAK 24K BTU/h Models
24K BTU/h Models
2011 VPAK Parts List
TECHNICAL SUPPORT CONTACT INFORMATION
CUSTOMER SATISFACTION and QUALITY ASSURANCE
FRIEDRICH AUTHORIZED PARTS DEPOTS
FRIEDRICH AIR CONDITIONING CO
VPK-ServMan-L
FRIEDRICH AIR CONDITIONING CO
Printed in the U.S.A