McQuay MMC Specifiche Scaricare il pdf (Pagina 120)

125

By means of diagnostic flow chart:

Generally, there are two kinds of problems, i.e. starting failure and insufficient cooling/heating. “Starting failure”

is caused by electrical defect while improper application or defects in refrigerant circuit causes “Insufficient

cooling / heating”.

i) Diagnosis of Electric Circuit

The most common causes of air conditioner failure to “start” are :

a) Voltage not within ±10% of rated voltage.

b) Power supply interrupted.

c) Improper control settings.

d) Air conditioner is disconnected from main power source.

e) Fuse blown or circuit breaker off.

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 135 136

Ducted Blower 1
Split Systems 1
Table of Contents 2
Product Line Up 3
Caution : 6
Refrigerant Circuit Diagrams 7
MODEL : MMC100/125BR 8
Controllers 9
1 Remote controller 11
3 Instruction manual 11
SLM AC-5300 (OPTIONAL) 12
Installation 13
A (mm) 300 500 500 700 700 16
B (mm) 500 300 300 300 300 16
Shredder core 18
Additional charge 20
MDB-BR SERIES 21
MDB-CR SERIES 21
SOUND PRESSURE LEVEL 21
SOUND POWER LEVEL 22
MDB075BR NC CURVE 23
MDB100BR NC CURVE 23
MDB125CR NC CURVE 24
MDB150BR NC CURVE 24
MDB200BR NC CURVE 25
MDB250BR NC CURVE 25
MDB300BR NC CURVE 26
MDB350BR NC CURVE 26
MDB400BR NC CURVE 27
MDB500BR NC CURVE 27
MDSB200BR NC CURVE 28
MDSB250BR NC CURVE 28
MDSB300BR NC CURVE 29
MDSB350BR NC CURVE 29
MDSB400BR NC CURVE 30
MDSB500BR NC CURVE 30
FAN PERFORMANCE CHART 31
FAN PERFORMANCE CURVE 32
MDB125CR 32
MDB075BR 33
MDB100BR 34
MDB150BR 36
MDB/MDSB200BR 37
MDB/MDSB250BR 38
MDB/MDSB300BR 39
MDB/MDSB350BR 40
MDB/MDSB400BR 41
MDB/MDSB500BR 42
General Data - Heatpump 43
Components Data - Heatpump 54
Example: 75
Solution: 75
R22 MODELS 81
(HEATPUMP) 81
MODEL : MDB075BR / MMC075BR 81
COOLING MODE 81
HEATING MODE 81
MODEL : MDB100BR / MMC100BR 82
MODEL : MDB125CR / MMC125BR 83
Dimension in mm 91
MODEL: MMC 075CR 98
Electrical Data - Heatpump 100
MODEL : MDB075BR ~ MMC075CR 107
MODEL : MDB100BR ~ MMC100BR 108
MODEL : MDB125CR ~ MMC125BR 109
MDB200BR2 ~ MMC100BR x 2 110
Diagnostic Guidelines 119
14°C to 20°C. * 122
HEATPUMP MODEL (INDOOR) 123
HORIZONTAL AIR DISCHARGE 123
MODEL: MDB075BR 123
MODEL : MDB100BR 124
MODEL : MDB125CR 125
MODEL : MDB150BR2 126
MODEL : MDB200BR2 127
MODEL : MDB250BR2 128
MODEL : MDB300BR3 129
MODEL : MDB350BR3 130
MODEL : MDB400BR4 131
MODEL : MDB500BR4 132
HEATPUMP MODEL 133
MODEL : MMC075CR 133
VERTICAL DISCHARGE 134
MODEL : MMC100 / 125 BR 134
2010 McQuay International 136

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