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Electrical Control Function
LFIS-B-1211
84
Electrical Control System
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
8 mins with 300P
Compressor
10S
30S
TimeA
10S
no longer than 10min
Condition of ending defrosting:
If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating
mode.
①
The defrosting time achieves 10min;
②
T3
≥
15
℃
;
③
T3
≥
7
℃
for 60seconds.
1.3.3.5 High evaporator coil temp.T2 protection:
T2>60
℃
, the compressor will stop and restart when T2<54
℃
.
1.3.4 Auto-mode
This mode can be chosen with remote controller and the setting temperature can be changed between
17~30
℃
.
In auto mode, the machine will choose cooling, heating or fan-
only mode according to ΔT (ΔT =T1-Ts).
ΔT=T1-Ts
Running mode
ΔT
≥
2
℃
Cooling
-1
≤ΔT<2
℃
Fan-only
ΔT<-1
℃
Heating
Indoor fan will run at auto fan of the relevant mode.
The louver operates same as in relevant mode.
If the machine switches mode between heating and cooling, the compressor will keep stopping for 15
minutes and then choose mode according to T1-Ts.
If the setting temperature is modified, the machine will choose running function again.
1.3.5 Drying mode
Drying mode works the same as cooling mode in low speed.
All protections are active and the same as that in cooling mode.
Содержание SUPER DC INVERTER SERIES
Страница 1: ...Contents i New Energy Requirement SUPER DC INVERTER SERIES Service Manual 2012 LFIS B 1211 ...
Страница 2: ...ii General Information ...
Страница 4: ......
Страница 16: ...Dimensions LFIS B 1211 12 Indoor Units 2 Dimensions Model A H 18 205 235 24 205 235 36 245 275 ...
Страница 17: ...LFIS B 1211 Service Space Indoor Units 13 3 Service Space 1000mm 1000mm 1000mm 1000m m ...
Страница 23: ...LFIS B 1211 Field Wiring Indoor Units 19 9 Field Wiring ...
Страница 30: ...Duct Type LFIS B 1211 26 Indoor Units 4 Wiring Diagrams KTB 18HWFN1 QRC4 KTB 24HWDN1 QRC4 KTB 36HWFN1 QRC4 ...
Страница 36: ...Duct Type LFIS B 1211 32 Indoor Units 10 Field Wiring ...
Страница 40: ...Duct Type LFIS B 1211 36 Indoor Units 3 Service Space ...
Страница 44: ...Field Wiring LFIS B 1211 40 Part 3 9 Field Wiring ...
Страница 50: ...Wiring Diagrams LFIS B 1211 46 Part 3 KOU 36HFN1 RRC4 ...
Страница 79: ...LFIS B 1211 Engineering of insulation Installation 75 cause leakage to damage the house decoration ...
Страница 100: ...Troubleshooting LFIS B 1211 96 Electrical Control System 2 4 2 3 Up down panel is not closed ...