13
V. Refrigerating circuit
Installation & Maintenacne Manual
No refrigerant replenishment is required if extended length of fitting pipe is less than 7m.
If extended length of fitting pipe is over 7m, replenishing volume of refrigerant should be
calculated as per the following formula: replenishing volume Xg=15g/mX(A-7)m
Outdoor unit
Indoor
unit
Maximum height difference 5m
(regardless either unit is higher)
Max. Lenth of extended fitting pipe
Refrigerant replenishment (R22:g):
Refrigerating circuit for heat pump type
Capillary(heating)
Room-temperature
thermistor RT11
Pipe-temperature
thermisto
Indoor unit
Outdoor unit
Indoor
heat
exchanger
Outdoor
heat
exchanger
Flow direction of refrigerant
for cooling
Flow direction of refrigerant
for heating
Joint of flared pipe
Connecting pipe
(with heat-insulating
pipe casing)
Joint of flared pipe
Connecting pipe
(with heat-insulating
pipe casing)
Shutoff valve
(with access door)
Shutoff valve
4-way valve
Compressor
Check valve
Capillary(cooling)
Summary of Contents for CSU 12HCAA
Page 48: ...2005 12 20...
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Page 57: ...9 59...
Page 59: ...11 59...
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Page 65: ...17 59...
Page 66: ...18 59...
Page 67: ...19 59 Installation Guide 4 Indoor unit and outdoor unit explosion diagram and spare parts list...
Page 68: ...20 59 CS 23H3 V77AY1A CS 25H3 V AY1A CS 32H3 V AH4 INDOOR UNIT...
Page 69: ...21 59 CS 51H3 H AH1 INDOOR UNIT...
Page 70: ...22 59 CS 66H3 N AS INDOOR UNIT...
Page 71: ...23 59 CS 88H3 Q AT INDOOR UNIT...
Page 72: ...24 59 KFR 23GW AC CS 25H3 V AY1A OUTDOOR UNIT...
Page 73: ...25 59 CS 32H3 V AH4 OUTDOOR UNIT...
Page 74: ...26 59 CS 51H3 H AH1 OUTDOOR UNIT...
Page 75: ...27 59 CS 66H3 N AS OUTDOOR UNIT...