Kaisai KFU-09HRDN1-QRC8GW, Руководство по обслуживанию

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KFU-18HRFN1-QRD0GW, KFU-24HRDN1-QRC8GW , KFU-24HRFN1-QRD0GW models:
Fault temp.
sensor Operation in cooling,
drying and fan only mode Operation in heating mode
T1
Run supposed T1=26
℃
high fan speed
Run supposed T1=26
℃
medium fan speed
T2 Normal During the first 1 minute of compressor operation, indoor
fan shuts off. After that, indoor fan runs at medium fan
speed for 1 minute and then resume to the setting fan
speed.
T3 Run with compressor
frequency
≤
F14
3 minutes’ defrosting every 40 minutes when T4<7
℃
; 2
minutes’ defrosting every 90 minutes when T4≥7
℃
.
T4
Run supposed T4=50
℃
Run supposed T4=15
℃
TP
Run supposed T4=50
℃
Run supposed T4=15
℃
For other models:
Fault temp.
sensor Operation in cooling, drying
and fan only mode Operation in heating mode
T1
Run supposed T1=26
℃
high
fan speed
Run supposed T1=26
℃
medium fan speed
T2 Refer to table 1 Refer to table 2
T3 Run with compressor
frequency
≤
F14
3 minutes’ defrosting every 40 minutes when T4<7
℃
;
2 minutes’ defrosting every 90 minutes when T4≥7
℃
.
T4
Run supposed T4=50
℃
Run supposed T4=15
℃
TP
Run supposed T4=50
℃
Run supposed T4=15
℃
T1
25
23
F12
F4(30 minutes on+3
minutes off)
table 1
T1
20
18
F4
F12(Indoor fan 1 minute
off, 1 minute medium fan
speed then the setting
fan speed.)
table 2
8.4.9 Refrigerant leakage detection
This function is only active in cooling mode. It can better prevent the compressor being damaged
by refrigerant leakage or compressor overload.
Open condition:
Define the evaporator coil temp.T2 of the compressor just starts running as Tcool.
In the beginning 5 minutes after the compressor starts up, if T2
＜
Tcool
－
2
℃
does not keep continuous 4