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PURY-P450
Mitsubishi Electric PURY-P450 User Manual
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Models
PUR
Y-P200,
P250,
P300,
P350,
P400YGM-A
PUR
Y-P450,
P500,
P550,
P600,
P650YGM-A
Ser
vice Handbook
AIR CONDITIONERS CITY MUL
TI
2
Table of Contents
Table of Contents
2
Safety Precautions
4
Before Installing the Unit
6
Read before Servicing
9
Items to be Checked
9
Necessary Tools and Materials
10
Piping Materials
11
Storage of Piping Material
13
Piping Machining
14
Brazing
15
Airtightness Test
16
Vacuuming
16
Vacuum Drying
17
Changing Refrigerant
18
Remedies to be Taken in Case of a Refrigerant Leak
18
Characteristics of the Conventional and the New Refrigerants
19
Notes on Refrigerating Machine Oil
20
Restrictions
21
Electrical Work & M-NET Control
21
Types of Switch Setting and Address Setting
22
Examples of System Connection
24
Restrictions on Refrigerant Piping Length
40
Components of the Outdoor Unit
47
Appearance of the Components and Refrigerant Circuit
47
Control Box
53
Circuit Board
55
BC Controller (Inside the Panel)
60
BC Control Box
63
BC Controller Board
63
Remote Controller
65
Functions and Specifications of MA and ME Remote Controllers
65
Group Setting and Interlocking Settings that Are Made on an ME Remote Controller
66
Interlocking Setting that Is Made on the MA Remote Controller
69
Switching to the Built-In Thermo on the Remote Controller
70
Electrical Wiring Diagram
71
Pury-P200, P250, P300, P350, P400Ygm-A
71
Pury-P450, P500, P550, P600, P650Ygm-A
72
Cmb-P104V-G
73
Cmb-P105, 106V-G
74
Cmb-P108, 1010V-G
75
Cmb-P1013, 1016V-G
76
Cmb-P104V-Gb
77
Cmb-P108V-Gb
78
Cmb-P108, 1010V-Ga
79
Cmb-P1013, 1016V-Ga
80
Refrigerant Circuit
81
Refrigerant Circuit Diagram
81
Functions of Principal Parts
85
BC Controller
87
Control
89
Dip Switch Functions and Their Factory Settings
89
Indoor Unit
91
Controlling the Outdoor Unit
94
Operation Flow Chart
105
Test Run
111
Check Items before Test Run
111
Test Run Method
111
Operating Characteristics and Refrigerant Amount
112
Adjustment and Judgment of Refrigerant Amount
112
Refrigerant Volume Adjustment Mode Operation
114
Symptoms that Do Not Signify Problems
116
Standard Operation Data (Reference Data)
117
Troubleshooting
125
Check Code List
125
Responding to Error Display on the Remote Controller
128
Investigation of Transmission Wave Shape/Noise
162
Troubleshooting of Principal Parts
165
Refrigerant Leak
192
Compressor Replacement Instructions (Only P450-P650 Types)
194
Collecting the Cooling Liquid from the Accumulator (Only P450-P650 Types)
195
BC Controller Service Instruction
196
LED Display
199
LED Monitor Display
199
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Mitsubishi Electric PURY-P450 Specifications
General
Brand
Mitsubishi Electric
Model
PURY-P450
Category
Air Conditioner
Language
English
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