Instruction d'utilisation Fedders CH18ABD1

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Installation, Operation and Maintenance
1.5 Through 5 Ton
Heat Pump
TABLE OF CONTENTS
INTRODUCTION..............................................................................1
NOTES TO INSTALLER ....................................................................1
CODES ............................................................................................1
RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS ................1
INSPECTION AND UNPACKING.............................................

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Installation and service personnel are required by some locales INTRODUCTION to be licensed. Persons not qualified SHALL NOT install this You have made a major investment in a fine piece of equipment nor interpret these instructions. equipment. Keep your investment sound by reading these This installation and maintenance manual is provided to ensure instructions before installing this unit. This will ensure that the proper installation and the most satisfactory performance of the full potential

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Proximity to Evaporator INSTALLATION Locating the condenser as close as possible to the evaporator Condensing Unit Location will increase the system capacities by reducing the line set refrigerant pressure drop, and will make the system less The condensing unit should be located outdoors as close as susceptible to liquid migrations due to less refrigerant charge. possible to the evaporator. Consider the following factors: Clearances The air inlet should be located at least 12" from a wall or oth

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Evacuation Electrical Connections (cont.) The outdoor unit is factory charged. Evacuation is necessary Connect control wiring on the uncharged portions of the total system. Purge the 1. Route 24 volt control wires through control wiring grommet system with dry nitrogen. Then connect a vacuum pump and and connect leads to control wiring. a vacuum gage capable of accurately measuring below 2. Use No. 18 AWG color coded, insulated wire. If thermostat is 1,000 microns vacuum depth. The deep vacuum m

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20’ 10’ MAX 3”MIN. Precautions CONNECT REFRIGERANT PIPING Refer to the chart below for the minimum recommended tube The following should be followed when installing refrigerant outside diameter sizes on liquid and suction lines. Ensure that piping. Comply with all local, state, and federal codes and/or vapor and liquid tube diameters are appropriate for unit regulations pertaining to this type of equipment and its capacity. Run refrigerant tubes as directly as possible by installation. avoiding

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Model SUB-COOLING CHARGING FINAL CHECKS FOR INSTALLER For proper sub-cooling readings, a standard high side gauge is 1. Ensure that all wiring is routed away from tubing and sheet required for pressure readings. metal edges to prevent rub-through or wire pinching. Use the charts below to determine the required sub-cooling value. 2. Ensure that all wiring and tubing is secure in unit before adding panels and covers. INSTRUCTIONS 3.Tighten service valve stem caps to 1/12 turn past 1. Measure the

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DEFROST OPERATION MAINTENANCE INSTRUCTIONS For continuing high performance and to minimize possible The heat pump has a control system designed to defrost the equipment failure, periodic maintenance must be performed on outdoor coil by warming it up to keep it clear of ice and this equipment. Frequency of maintenance may vary depending operating efficiently. When the temperature drops below 40°F, the control system will sense that conditions are right for the upon geographic areas, such as coast

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Model C10 & LIMITED WARRANTY Limited Five Year Warranty: This Warranty Does Not Cover Damage Caused By: Fedders will provide a replacement part or component • Improper installation that proves to be defective in material or workmanship. • Misuse of equipment Warranty Limitations: • Negligent servicing • Limited Warranty does not include allowances for labor • Improper applications or travel expense connected with the installation of • Preventative maintenance parts, so furnished in this