Manuali utente per Friedrich V(E

Sommario

• Introduction

  3
• Undercharged Refrigerant Systems

  17
• Vert-I-Pak Model Number Identification Guide

  4
• Overcharged Refrigerant Systems

  18
• Serial Number Identification Guide

  4
• Restricted Refrigerant Systems

  18
• H Suffix Chassis Specifications

  5
• Capillary Tube Systems

  19
• E and G Suffix Chassis Specifications

  6
• Reversing Valve — Description/Operation

  19
• A and D Suffix Chassis Specifications

  7
• Electrical Circuit And Coil

  19
• Sequence Of Operation

  8
• Testing Coil

  19
• Electrical Supply

  9
• Checking Reversing Valves

  20
• Supply Circuit

  9
• Touch Testing Heating/Cooling Cycle

  20
• Supply Voltage

  9
• Procedure For Changing Reversing Valve

  20
• Control (Low) Voltage

  9
• Compressor Checks

  21
• Supply Voltage

  9
• Locked Rotor Voltage Test

  21
• Electrical Ground

  9
• Single Phase Connections

  21
• Electrical Rating Tables

  9
• Determine Locked Rotor Voltage

  21
• Electrical Requirements

  9
• Locked Rotor Amperage Test

  21
• Room Thermostats

  10
• Single Phase Running & Locked Rotor Amperage

  21
• Thermostat Location

  10
• External Overload

  21
• Heat Anticipators

  10
• Checking the External Overload

  21
• Electrical & Thermostat Wiring Diagrams

  11
• Checking the Internal Overload

  21
• Indoor Blower - Air Flow

  14
• Compressor Single Phase Resistance Test

  22
• Condenser Fan Motors

  14
• Compressor Replacement

  22
• Blower Wheel Inspection

  14
• Capacitors

  23
• Cooling

  14
• Heating (Electric)

  14
• Capacitor Connections

  23
• External Static Pressure

  14
• Emergency Heat Switch

  24
• Checking External Static Pressure

  15
• Wiring Diagram Index

  25
• Checking Approximate Airflow

  15
• 9-18 Electrical Troubleshooting Chart – Cooling

  39
• Electric Heat Strips

  15
• 2-Ton Electrical Troubleshooting Chart – Cooling

  40
• Airflow Charts

  16
• Refrigerant System Diagnosis – Cooling

  41
• Refrigerant Charging

  16
• Refrigerant System Diagnosis – Heating

  41
• Method Of Charging

  17
• Electrical Troubleshooting Chart –Heat Pump

  42