LFIS-B-1211
Electrical Control Function
Electrical Control System
85
1.3.6 Timer function
1.3.6.1 Timing range is 24 hours.
1.3.6.2 Timer on. The machine will turn on automatically when reaching the setting time.
1.3.6.3 Timer off. The machine will turn off automatically when reaching the setting time.
1.3.6.4 Timer on/off. The machine will turn on automatically when reaching the setting “on” time, and then
turn off automatically when reaching the setting “off” time.
1.3.6.5 Timer off/on. The machine will turn off automatically when reaching the setting “off” time, and then
turn on automatically when reaching the setting “on” time.
1.3.6.6 The timer function will not change the AC current operation mode. Suppose AC is off now, it will not
start up firstly after setting the “timer off” function. And when reaching the setting time, the timer LED will be
off and the AC running mode has not been changed.
1.3.6.7 The setting time is relative time.
1.3.7 Economy function
1.3.7.1 The sleep function is available in cooling, heating or auto mode.
1.3.7.2. Operation process in sleep mode is as follow:
When cooling, the setting temperature rises 1
℃
(be lower than 30
℃
) every one hour, 2 hours later the
setting temperature stops rising and the indoor fan is fixed at low speed.
When heating, the setting temperature decreases 1
℃
(be higher than 17
℃
) every one hour, 2 hours later
the setting temperature stops rising and indoor fan is fixed at low speed. (Anti-cold wind function has the
priority).
1.3.7.3 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode but doesn’t turns off
1.3.7.4 Timer setting is available
1.3.8 Auto-Restart function
The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In
case of a sudden power failure, the module memorizes the setting conditions before the power failure. The
unit will resume the previous operation setting (not including Swing function) automatically after 3 minutes
when power returns.
1.3.9 Drain pump control (For duct & Cassette)
For 12k models:
Adopt the water-level switch to control the action of drain pump.
Main action under different condition :( every 5 seconds the system will check the water level one time)
1. When the A/C operates with cooling (including auto cooling) and forced cooling mode, the pump will start
running immediately and continuously, till stop cooling.
2. Once the water level increase and up to the control point, LED will alarm and the drain pump open and
continue checking the water level. If the water level fall down and LED disalarmed (drain pump delay close 1
minute) and operate with the last mode. Otherwise the entire system stop operating ( including the pump)
and LED remain alarming after 3 minutes,
Summary of Contents for SUPER DC INVERTER SERIES
Page 1: ...Contents i New Energy Requirement SUPER DC INVERTER SERIES Service Manual 2012 LFIS B 1211 ...
Page 2: ...ii General Information ...
Page 4: ......
Page 17: ...LFIS B 1211 Service Space Indoor Units 13 3 Service Space 1000mm 1000mm 1000mm 1000m m ...
Page 23: ...LFIS B 1211 Field Wiring Indoor Units 19 9 Field Wiring ...
Page 36: ...Duct Type LFIS B 1211 32 Indoor Units 10 Field Wiring ...
Page 40: ...Duct Type LFIS B 1211 36 Indoor Units 3 Service Space ...
Page 44: ...Field Wiring LFIS B 1211 40 Part 3 9 Field Wiring ...
Page 50: ...Wiring Diagrams LFIS B 1211 46 Part 3 KOU 36HFN1 RRC4 ...
Page 100: ...Troubleshooting LFIS B 1211 96 Electrical Control System 2 4 2 3 Up down panel is not closed ...
