Twist TwistAero PCA090480WH Manuals

Manuals and User Guides for Twist TwistAero PCA090480WH. We have 1 Twist TwistAero PCA090480WH manual available for free PDF download: Maintenance Manual

Twist TwistAero PCA090480WH Maintenance Manual

Twist TwistAero PCA090480WH Maintenance Manual (71 pages)

Air Conditioning Unit 90 Nominal Refrigeration Tons

Brand: Twist | Category: Air Conditioner | Size: 0 MB

Table of Contents

Section 1

2
- Table of Contents
  2
- Chapter 2
  4
- Introduction to Servicing
  4
- Owner's Responsibility
  4
- Precautionary Measures
  4
- Preventive Maintenance
  4
- Operator Daily Inspection
  5
- Safety Precautions
  6
  - General Precautions
    6
  - Refrigerant Precautions
    7
- Refrigeration Basics and Service
  8
  - Theory
    8
    
    Basic Cycle Explanation
    8
  - Fundamentals
    9
    
    Cleanliness of the Refrigeration System
    9
    
    Oil Refrigerant Mixture
    10
  - Servicing System and Charging
    11
    
    Gauge Manifold
    11
    
    Removing Refrigerant
    12
    
    Service Valves
    12
    
    Adding or Removing Oil
    13
    
    Dealing with Non-Condensable
    14
    
    Refrigerant Leaks
    14
    
    Brazing Refrigerant Lines
    16
    
    Evacuation
    17
    
    Pressure Testing
    17
    
    Charging
    18
- Introduction to Preventive Maintenance Checklists
  20
- Preventive Maintenance Quarterly Checklist
  22
- Preventive Maintenance Semi- Annual Checklist
  24
- Preventive Maintenance Seasonal Checklist
  26
- Adjustments
  28
  - Thermostats
    28
  - Expansion Valve Superheat
    28
  - Hot Gas by Pass Valve Adjustment
    29
- Cleaning and Painting
  30
  - Filters
    30
  - Condensers
    30
  - Evaporators and Ducts
    30
  - Painting
    31
Section 2

34

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