Mini UM S/M
Drawings & Flow Charts
iii
Drawings & Flow Charts
A
abnormal discharge pipe temperature ..................128
actuation of high pressure switch..........................121
actuation of low pressure switch ...........................122
address duplication of central remote controller ...155
address duplication, improper setting .......... 165
,
178
C
centralized control group no. setting
CZ-01RT Type ..................................................71
CZ-01/02RW Type............................................71
Group No. Setting Example ..............................72
charge hose for R410A .........................................200
charge mouthpiece................................................201
charging cylinder ...................................................200
check no. 11..........................................................180
check no. 8............................................................179
check no. 9............................................................179
check operation.......................................................59
check operation not executed ...............................147
check work prior to turn power supply on................58
compressor motor lock..........................................123
contents of control modes
how to select operation mode...........................74
cooling operation fan control ...................................36
D
discharge pipe protection control ............................47
display “under host computer integrate control” blinks
(repeats double blink) ....................................171
display “under host computer integrate control” blinks
(repeats single blink)......................................168
display of sensor and address data ........................99
drain level above limit............................................113
drain pump control
when the float switch is tripped and “AF” is
displayed on the remote controller.......51
when the float switch is tripped during cooling off
by thermostat .......................................50
when the float switch is tripped during heating
operation..............................................51
when the float switch is tripped while the cooling
thermostat is on ...................................50
E
error of external protection device.........................104
excessive number of indoor units..........................154
F
fan motor (M1F) lock, overload .............................108
faulty combination of inverter and fan driver .........143
field setting from outdoor unit
mode changing procedure ................................76
flaring tool..............................................................197
forced fan on ...........................................................99
freeze prevention ................................................... 55
functional parts layout ............................................ 30
G
gauge manifold for R410A ................................... 199
H
high pressure protection control ............................. 45
how to enter the service mode ............................... 98
I
improper combination of optional controllers for
centralized control ................................. 163
,
176
individual setting..................................................... 99
inverter compressor abnormal ............................. 137
inverter current abnormal ..................................... 138
inverter protection control....................................... 48
inverter start up error............................................ 139
L
leak tester............................................................. 199
louver control for preventing ceiling dirt ................. 52
low pressure drop due to refrigerant shortage or
electronic expansion valve failure ................. 144
low pressure protection control .............................. 46
M
malfunction hysteresis display ............................... 99
malfunction of capacity determination device ...... 114
malfunction of discharge pipe thermistor (R3T) ... 130
malfunction of drain level control system (33H) ... 106
malfunction of high pressure sensor .................... 134
malfunction of inverter radiating fin
temperature rise ............................................ 136
malfunction of inverter radiating fin
temperature rise sensor ................................ 142
malfunction of low pressure sensor...................... 135
malfunction of moving part of electronic expansion
valve.............................................................. 126
malfunction of moving part of electronic expansion
valve (20E) .................................................... 111
malfunction of outdoor unit fan motor................... 124
malfunction of receiver gas pipe thermistor (R5T) 133
malfunction of swing flap motor (MA) ................... 109
malfunction of system, refrigerant system address
undefined ...................................................... 159
malfunction of thermistor (R1T) for suction air ..... 117
malfunction of thermistor (R2T) for heat exchanger
...................................................................... 115
malfunction of thermistor (R2T) for suction pipe .. 131
malfunction of thermistor (R3T) for gas pipes ...... 116
malfunction of thermistor (R4T) for outdoor unit heat
exchanger ..................................................... 132
malfunction of thermistor for discharge air ........... 118
malfunction of thermistor for outdoor air (R1T) .... 129
Mini UM.book Page iii Monday, January 24, 2005 11:32 AM