Mitsubishi Electric CAHV-R450YA-HPB Manuals

Manuals and User Guides for Mitsubishi Electric CAHV-R450YA-HPB. We have 2 Mitsubishi Electric CAHV-R450YA-HPB manuals available for free PDF download: Service Manual, Installation & Operation Manual

Mitsubishi Electric CAHV-R450YA-HPB Service Manual

Mitsubishi Electric CAHV-R450YA-HPB Service Manual (196 pages)

Hot Water Heat Pump

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 22.76 MB

Table of Contents

Table of Contents
8
Read before Servicing
12
I Read before Servicing
12
Necessary Tools and Materials
13
Brazing
14
Air Tightness Test
15
Vacuum Drying (Evacuation)
16
Refrigerant Charging
18
Remedies to be Taken in Case of a Refrigerant Leak
18
Characteristics of the Conventional and the New Refrigerants
19
Precautions for Handling Equipment Using R454C
20
Notes on Refrigerating Machine Oil
27
Restrictions
28
System Configuration
30
Types and Maximum Allowable Length of Cables
31
Main Power Supply Wiring and Switch Capacity
32
Sample Installation
36
Switch Types and the Factory Settings
37
Configuring the Settings
38
Water Pipe Installation
45
Unit Components
50
Unit Components and Refrigerant Circuit
52
Control Box of the Unit
54
Unit Circuit Board
55
Remote Controller
62
Using the Remote Controller
64
Electrical Wiring Diagram
76
Refrigerant Circuit
80
Refrigerant Circuit Diagram
82
Principal Parts and Functions
83
Control
86
Functions and Factory Settings of the Dip Switches
88
Operating Characteristics and Control Capabilities
105
Test Run Mode
120
Items to be Checked before a Test Run
122
Test Run Method
124
Operating the Unit
125
Refrigerant
126
Symptoms that Do Not Signify Problems
126
Standard Operating Characteristics (Reference Data)
126
Maintenance
128
Periodic Maintenance Inspections
130
Guidelines for Maintenance and Inspection of Major Parts
131
Troubleshooting
134
Maintenance Items
136
Troubleshooting
144
Troubleshooting Principal Parts
150
Refrigerant Leak
167
Parts Replacement Procedures
168
USB Function
182
Service Overview
184
Software Rewrite Function on the USB
186
Maintenance LED Display and Troubleshooting
188
Attachments
192
R454C Saturation Temperature Table
194

Mitsubishi Electric CAHV-R450YA-HPB Installation & Operation Manual

Mitsubishi Electric CAHV-R450YA-HPB Installation & Operation Manual (76 pages)

Hot Water Heat Pump Unit

Brand: Mitsubishi Electric | Category: Heat Pump | Size: 13.08 MB

Table of Contents

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