Main
Service Handbook
Page
Contents
2
Safety precautions
Before installation and electric work
Symbols used in the text
Symbols used in the illustrations
11
3
11 1PRECAUTIONS FOR DEVICES THAT USE R407C REFRIGERANT
4
[1] Storage of Piping Material
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6
[3] Brazing
7
[4] Airtightness Test
[5] Vacuuming
8
[6] Charging of Refrigerant
[7] Dryer
22
9
PURY-P400500YMF-C
22 2COMPONENT OF EQUIPMENT
[1] Appearance of Components
10
Controller Box
11
MAIN board PUHY / PURY
12
INV board
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15
BC controller
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17
[2] Refrigerant Circuit Diagram and Thermal Sensor PURY-P400, 500YMF-C
*
CMB-P108, 1010, 1013, 1016V-FA
CMB-P108V-FB
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21
CMB-P1081010V-FA
1
2
<
Note1:TB02 is terminal block for transmission.
Transformer
Thermistor sensor
Expansion valve
<
Symbol
SV1 ~ 16A
SVM1, 2
T1 ~ 16 Solenoid valve
<
Note1:TB02 is terminal block for transmission.
Thermistor sensor
Expansion valve
TB01
[4] Standard Operation Data
1 Cooling operation
25
2 Heating operation
26
[5] Function of Dip SW and Rotary SW
(1) Outdoor unit PURY-P400500YMF-C. 1Variable capacity unit MAIN board
27
(2) Indoor unit DIP SW1, 3
Model P71 P80 P100 P125 P140 P200 P250 Capacity (model name) code
14 16 20 25 28 40 50 SW2 setting
Model P20 P25 P32 P40 P50 P63 Capacity (model name) code
220V 240V
33
33 3TEST RUN
[1] Before Test Run
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[2] Test Run Method
TEST RUN
ON/OFF
4
34
GROUPING REGISTRATION OF INDOOR UNITS WITH M-NET REMOTE CONTROLLER
C
+
Page
11 Group setting mode
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*
*
55
55 5CONTROL
[1] Control of Outdoor Unit [1]- 1 PURY-P400500 YMF-C
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TH9
45
Four-way valve
Indoor heat
Outdoor heat exchanger
Start of initial operation mode
Initial operation mode is finished.
Step 1
Pause Step
Step 2
47
<Initial start control timing chart>
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[2] Control of BC Controller
50
[3] Operation Flow Chart
(1) Outdoor unit
51
(2) BC controller
52
(3) Indoor unit
53
(4) Cooling operation
Test run
54
(5) Heating operation
Defrosting operations
Test run
55
(6) Dry operation
Thermostat ON
56
[4] List of Major Component Functions
57
58
[5] Resistance of Temperature Sensor
66
66 6REFRIGERANT AMOUNT ADJUSTMENT
[1] Operating Characteristics and Refrigerant Amount
[2] Adjustment and Judgement of Refrigerant Amount
Page
[3] Refrigerant Volume Adjustment Mode Operation
63
(2) Refrigerant adjustment in Cooling season (Flow chart) In case of PURY-P400, 500YMF-C
YES NO
Adjustment starts.
Adjustment completed.
64
(3) Refrigerant adjustment in heating season (Flow chart) In case of PURY-P400, 500YMF-C
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77
77 7TROUBLESHOOTING
[1] Principal Parts
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73
74
75
1 10~50 2 10~50 3 10~50 110~50 210~50 310~50
1 2 3
+
Tester Tester -+ Tester - Tester +
76
(2) Trouble and remedy of remote controller (In the case of MA remote controller)
Check method and handling
77
Check method and handling
*1 As for transformer checks, It is subject to the failure judgment method of main parts in 4.5.
78
79
(In the case of M-NET remote controller)
80
Checking method & countermeasure In case MELANS is not used
81
82
83
84
Check for earthing Checking for wiring method
85
86
87
88
A1A2 1/L1 3/L2 5/L3 2/T1 4/T2 6/T3
IPM
90
91
92
2) Temperature Sensor Thermistor troubleshooting flow
93
94
3) LEV, Solenoid Valve Troubleshooting Flow
95
96
Brown Red Blue Orange Yellow White
10k LED
Brown Red Blue Orange Yellow White
To LEV
97
2 Solenoid Valve
98
99
[2] BC Controller Disassembly Procedure
100
101
102
103
104
[3] Self-diagnosis and Countermeasures Depending on the Check Code Displayed
(1) Mechanical
105
106
107
108
109
110
111
112
113
114
115
U
W
116
117
118
(2) Communication/system
119
120
121
122
123
124
125
(3) System error
126
127
[4] LED Monitor Display
128
129
130
131
132
133
134
135
136
137
138
139
140
141
8PREPARATION, REPAIRS AND REFRIGERANT REFILLING WHEN REPAIRING LEAKS
[1] Location of leaks: Extension piping or indoor units (when cooling)
142
[3] Location of leaks: Extension piping or indoor units (Heating mode)
[2] Location of leaks: Outdoor unit (Cooling mode)
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9CHECK THE COMPOSITION OF THE REFRIGERANT
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145
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