12-15
CONTROL SYSTEM
SM DELTA 1-E.0 GB
12.7
Automatic Cooling or Heating
12.7.1
Automatic Cooling or Heating - General
•
Switching-temperature between Cooling and Heating is SPT
±
3
o
c.
•
Autofan in Automatic Cooling and Heating Mode will activate “Cooling
with Autofan Mode” and “Heating with Autofan Mode” respectively.
•
When the Auto Mode is started with SPT +/-0
o
c, the unit will not select
Auto Heat or Auto Cool mode immediately. Instead, the unit will be in
a temporary Fan Mode with IFAN operating at low speed.
The proper Auto Heat mode or Auto Cool will be started whenever the RT
reaches SPT-1
o
c or SPT+1
o
c respectively.
•
For RC & SH units, Mode change between Auto Heat & Auto Cool
Modes is possible only after the COMP has been OFF during the
last T minutes.
Mode Change
time, T
Auto Cool to Auto Heat
3 min
Auto Heat to Auto Cool
4 min
•
When unit is changed form Cool/Dry mode to Auto Mode, the unit
will continue to operate at (Auto) Cool Mode until the conditions for
switching from Auto Cool to Auto Heat are satisfied.
Similarly, when unit is changed from Heat Mode to Auto Mode, the
unit will continue to operate at (Auto) Heat Mode until the conditions
for switching from Auto Heat to Auto Cool are satisfied.
Summary of Contents for DELTA 18
Page 14: ...4 2 OUTLINE DIMENSIONS SM DELTA 1 E 0 GB 4 3 Outdoor Unit OU7 24 OU7 24Z...
Page 21: ...5 7 PERFORMANCE DATA PRESSURE CURVES SM DELTA 1 E 0 GB 5 6 Pressure Curves 5 6 1 Cooling...
Page 22: ...5 8 PERFORMANCE DATA PRESSURE CURVES SM DELTA 1 E 0 GB 5 6 2 Heating...
Page 31: ...8 1 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 WIRING DIAGRAMS 8 1 Indoor Unit DELTA 18 21 24...
Page 32: ...8 2 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 2 Outdoor Unit GC 18 1PH R410A...
Page 33: ...8 3 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 3 Outdoor Unit GC 24 1PH R410A...
Page 34: ...8 4 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 4 Outdoor Unit OU7 24 1PH R410A...
Page 35: ...8 5 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 5 Outdoor Unit OU7 24 3PH R410A...
Page 36: ...8 6 WIRING DIAGRAMS SM DELTA 1 E 0 GB 8 6 Outdoor Unit OU7 24Z R410A...
Page 39: ...10 2 REFRIGERATION DIAGRAMS Service Manual ALPHA 10 1 2 DELTA 24 OU7 24 R410A...
Page 40: ...10 3 REFRIGERATION DIAGRAMS SM DELTA 1 E 0 GB 10 1 3 DELTA 24 OU7 24Z R410A...
Page 81: ...14 3 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 3 Outdoor Unit GC 18 ST...
Page 83: ...14 5 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 5 Outdoor Unit GC 18 RC...
Page 85: ...14 7 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 7 Outdoor Unit GC 21 RC...
Page 87: ...14 9 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 9 Outdoor Unit GC 21 ST...
Page 89: ...14 11 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 11 Outdoor Unit GCN 12 RC...
Page 91: ...14 13 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 13 Outdoor Unit GC 24 RC...
Page 93: ...14 15 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 15 Outdoor Unit OU7 24 RC 1PH...
Page 95: ...14 17 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 17 Outdoor Unit OU7 24 ST 1PH...
Page 99: ...14 21 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 21 Outdoor Unit OU7 24 RC 3PH...
Page 101: ...14 23 EXPLODED VIEWS AND SPARE PARTS LISTS SM DELTA 1 E 0 GB 14 23 Outdoor Unit OU7 24 ST 3PH...
Page 106: ...15 4 OPTIONAL ACCESSORIES SM DELTA 1 E 0 GB...
Page 107: ...15 5 OPTIONAL ACCESSORIES SM DELTA 1 E 0 GB...
Page 108: ...15 6 OPTIONAL ACCESSORIES SM DELTA 1 E 0 GB...