M-Series SEZ-KA Engineering Manual
Table Of Contents
- Contents
- 1. INDOOR UNITS
- 2. OUTDOOR UNITS
- 3. SYSTEM
- 3-1. SPECIFICATIONS
- 3-2. EXTERNAL DIMENSIONS
- 3-3. CENTER OF GRAVITY
- 3-4. ELECTRICAL WIRING DIAGRAMS
- 3-5. REFRIGERANT SYSTEM DIAGRAMS
- 3-6. CAPACITY CORRECTION CURVE BY TEMPERATURE
- 3-7. CAPACITY CORRECTION TABLE BY TEMPERATURE
- 3-8. Capacity correction curve by refrigerant piping length
- 3-9. CAPACITY CORRECTION TABLE BY REFRIGERANT PIPING LENGTH
- 3-10. CHARGE CALCULATIONS
- 3-11. AIR FLOW DATA
- 3-12. SOUND PRESSURE LEVELS
- 3-13. STANDARD OPERATION RANGE
- 3-14. ACCESSORIES
SEZ-20
SEZ Ducted Heat Pump Systems (August 2014)
Due to continuing improvement, above specication may be subject to change without notice.
© 2014 Mitsubishi Electric US, Inc.
3-5. REFRIGERANT SYSTEM DIAGRAMS
SEZ-KD09NA4.TH SEZ-KD12NA4.TH SEZ-KD15NA4.TH SEZ.KD18NA4.TH
Thermistor TH2
Pipe temperature (Liquid)
Distributor
with strainer(#50)
Thermistor TH5
(Cond./Eva. temperature)
Thermistor TH1
(Room temperature)
Refrigerant flow in cooling
Refrigerant flow in heating
Strainer(#50)
Strainer(#50)
Heat exchanger
Refrigerant GAS pipe connection
(Flare)
Refrigerant LIQUID pipe connection
(Flare)
SUZ-KA09NA.TH
Outdoor
heat
exchanger
Flared connection
Defrost
thermistor
RT61
Discharge
temperature
thermistor
RT62
Flared connection
Stop valve
(with strainar)
Stop valve
(with service port)
Refrigerant flow in cooling
Compressor
4-way valve
Refrigerant flow in heating
Refrigerant pipe ø3/8
(with heat insulator)
Refrigerant pipe ø1/4
(with heat insulator)
R.V. coil
heating ON
cooling OFF
Strainer
#100
LEV
Ambient
temperature
thermistor
RT65
Muffler
Capillary tube
O.D. 0.118 × I.D. 0.079
× 9-7/16
(ø3.0 × ø2.0
×
240)
Outdoor heat
exchanger
temperature
thermistor
RT68
Service port
Service port
Muffler