11—10 | SM YAZE218 1-A.2 GB
11—CONTROL SYSTEM
SM YAZE218 1-A.2 GB | 11—11
11.5.2.2 Compressor Speed calculation
During normal operation (excluding protections), the compressor speed is limited by the
following table:
Min Speed
Cool
(check)
Max Speed
Cool
Min Speed
Heat
Max Speed
Heat
20
95
20
95
11.5.2.3 Indoor Units NLOAD calculation
The NLOAD setting is done by the indoor unit controller, based on a PI control scheme.
The actual NLOAD to be sent to the outdoor unit controller is based on the preliminary LOAD
calculation, the indoor fan speed, and the power shedding function.
NLOAD limits as a function of indoor fan speed:
Indoor Fan Speed Maximum NLOAD Cooling
Maximum NLOAD Heating
Low
Max NLOADIF1C
127
Medium
Max NLOADIF2C
127
High
Max NLOADIF3C
127
Turbo
Max NLOADIF4C
127
Auto
Max NLOADIF5C
127
NLOAD limits as a function of power shedding:
Mode
Power Shedding OFF
Power Shedding ON
Cool
No limit
Nominal Cooling
Heat
No limit
Nominal Heating
Summary of Contents for YAZE218
Page 11: ...4 1 SM YAZE218 1 A 2 GB 4 OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit HJD009 012 ...
Page 25: ...6 2 SM YAZE218 1 A 2 GB 6 OPERATING CURVES 6 1 2 Heating Technician Mode ...
Page 26: ...SM YAZE218 1 A 2 GB 6 3 6 OPERATING CURVES 6 1 3 Tubing Length correction Factor ...
Page 28: ...SM YAZE218 1 A 2 GB 8 1 8 WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 YAZE218 Wiring Diagrams ...
Page 29: ...8 WIRING DIAGRAMS 9 1 SM YAZE218 1 A 2 GB 9 REFRIGERATION DIAGRAMS 9 1 YAZE218 Cooling Mode ...
Page 30: ...8 WIRING DIAGRAMS SM YAZE218 1 A 2 GB 9 2 9 2 YAZE218 Heating Mode ...
Page 77: ...14 1 SM YAZE218 1 A 2 GB 14 APPENDIX A 14 APPENDIX A INSTALLATION AND OPERATION MANUAL ...
Page 78: ...SERVICE MANUAL YAZE218 ...