D-1
System Design
Contents
1. System Configuration
(1) Procedure for selecting model type and calculating performance··································D-2
(2) Calculation of actual performance ··················································································D-3
2. Operating temperature ranges for heating and cooling
···············································D-5
3. Refrigerant piping design
(1) System piping ··················································································································D-6
(2) Selecting system header and branch piping sizes ··························································D-7
(3) Selecting header piping ···································································································D-8
(4) Selecting branch and header piping ················································································D-10
(5) Equivalent length of refrigerant piping ·············································································D-11
(6) Calculation of amount of additional refrigerant charge ···················································D-12
(7) Checking the density limit ································································································D-13
(8) Future system expansion·································································································D-15
4. Effect of refrigerant pipe length on performance
··························································D-16
5. Outdoor unit positioning requirements
(1) Combined installation criteria···························································································D-18
(2) Verandah installation criteria ···························································································D-25
6. Sound-proofing measures
(1) Installation location and sound-proofing measures ·························································D-26
(2) Attenuation of sound over distance ·················································································D-26
(3) Sound attenuation by a noise barrier···············································································D-27
(4) Additional sound from reflections ····················································································D-28
(5) Combining sounds ···········································································································D-28
(6) Converting from octave band levels to overall A weighting·············································D-29
(7) Designing sound-proofing countermeasures···································································D-29
(8) Sound-proofing calculation sheet (example) ···································································D-30
7. Center-of-gravity and earthquake resistance
(1) Earthquake resistance calculations ·················································································D-31
(2) Verifying the strength of foundation bolts during an earthquake ·····································D-31
(3) Installation position and center of gravity ········································································D-40
(4) Example anchor bolt calculation······················································································D-41
Summary of Contents for ECO G SGP-EW120M2G2W
Page 3: ...A 1 System Configuration Contents 1 Type Configuration 1 Outdoor unit A 2 ...
Page 12: ...Outdoor Unit 3 External Dimensions B 8 ...
Page 13: ...Outdoor Unit 4 Wiring Diagram B 9 ...
Page 14: ...Outdoor Unit 5 Performance Characteristics B 10 Cooling Heating SGP EW120M2G2W ...
Page 15: ...Outdoor Unit 5 Performance Characteristics B 11 Cooling Heating SGP EW150M2G2W ...
Page 16: ...Outdoor Unit 5 Performance Characteristics B 12 Cooling Heating SGP EW190M2G2W ...
Page 17: ...Outdoor Unit 5 Performance Characteristics B 13 Cooling Heating SGP EW240M2G2W ...
Page 18: ...Outdoor Unit 6 Operating Sound Level Characteristics B 14 1 Standard Mode ...
Page 19: ...Outdoor Unit 6 Operating Sound Level Characteristics B 15 ...
Page 20: ...Outdoor Unit 6 Operating Sound Level Characteristics B 16 ...
Page 21: ...Outdoor Unit 6 Operating Sound Level Characteristics B 17 ...
Page 22: ...Outdoor Unit 6 Operating Sound Level Characteristics B 18 2 Quiet Mode ...
Page 23: ...Outdoor Unit 6 Operating Sound Level Characteristics B 19 ...
Page 24: ...Outdoor Unit 6 Operating Sound Level Characteristics B 20 ...
Page 25: ...Outdoor Unit 6 Operating Sound Level Characteristics B 21 ...
Page 28: ...Control Related 1 System Block Diagram C 2 ...
Page 29: ...Control Related 2 Remote Control Warning List C 3 ...
Page 30: ...Control Related 2 Remote Control Warning List C 4 ...
Page 31: ...Control Related 2 Remote Control Warning List C 5 ...
Page 76: ...Installation Work 1 Points regarding refrigerant pipe work E 3 APR P680BG ...
Page 77: ...Installation Work 1 Points regarding refrigerant pipe work E 4 APR P1350BG ...
Page 78: ...Installation Work 1 Points regarding refrigerant pipe work E 5 APR CHP680BG APR CHP1350BG ...
Page 86: ...Installation Work 2 Points regarding electrical work outdoor unit E 13 ...
Page 87: ...Installation Work 3 Outdoor unit installation work E 14 ...
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