akira AC-S7CG, Руководство по обслуживанию, Страница: 14 / 17

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Model No.: AC-S7CG
Version: 1.0
Dehumidifying mode
1 The working conditions and control measures
a. If T in > T set + 2
o
C, it is in cooling running, the indoor motor speed can be selected, and
outdoor motor run at low speed.
b. If T set – 2
o
C < or = T in < or = T set + 2
o
C, it goes into dehumidifying running, the indoor motor
run at the low speed, 6 minutes later the compressor stops, another 15 seconds later the outdoor
fan stops and another 30 seconds later, the indoor motor stops, 3 and a half minutes later,
compressor and outdoor fan run again, indoor motor runs at the low speed, then the machine
cycle the above procedures repeatedly. Outdoor motor runs at the low speed.
c. If T in > T set – 2
o
C, compressor, outdoor motor and indoor motor stop.
2 In this mode, the reversing valve is inactive, the temp. setting range is 16~30
o
C.
3 Anti-freezing protection.
a. If T indoor > T set + 2
o
C, it goes into cooling running, anti-freezing function is same with
cooling mode, but the compressor must stops for 4 minutes when it goes into dehumidifying
mode, compressor runs 6 minutes, if it detects T eva < 0
o
C, compressor and outdoor motor stop,
indoor motor runs at low speed, after 3 minutes delay, and T eva > or = 10
o
C, it will be back to
its original state.
Heating mode
1 The working conditions and control measures
a. If T in < or = T set + 2
o
C, it goes into heating mode, reversing valve, compressor and outdoor
motor all work in the same time, indoor fan will run at the same procedures with anti cool air
function.
b. If T in > or = T set + 4
o
C, compressor stops first, 15 seconds late, outdoor motor stops, but
reversing valve keeps working, indoor motor run at the procedures of blowing surplus heat.
c. If T set + 2
o
C < T indoor < T set + 4
o
C, keep the previous running state.
2 In this mode, the temperature setting range is 16~30
o
C.
3 The working conditions of auxiliary electric heater.
a. In heating mode, when compressor is working, indoor motor runs at high speed and middle
speed. If it detect T eva < 50
o
C for continuous 8 seconds and T indoor < or = 25
o
C , electric
heater will work, if compressor stop or indoor motor runs at low speed or T eva 54
o
C or T indoor
28
o
C or 10 seconds before defrosting, the electric heater will stop.
4 Protections
a. Anti cool air
i. When the machine starts heating and T eva > or = 22
o
C , indoor motor runs at low speed,
and swing motor makes the louver at the horizontal position, if T eva > or = 40
o
C or
compressor have run 2 minutes ,indoor motor and swing motor will run at the set speed.
b. Anti high temp.
i. In heating mode, if it detect T eva 56
o
C (58 can be selected), outdoor motor will stop (in this
period it will not detect the defrosting temp.). If T eva 52
o
C, outdoor motor will be back
running (it will not detect defrosting temp. in the first 5 seconds).
c. Blowing surplus heat
i. In heating mode, when set temp is reached, comp. stops first, 15 seconds later outdoor fan
stops, Indoor motor blows 90 seconds (60 seconds can be selected) at low speed ,swing
motor makes the louver at the horizontal position.
d. Compressor’s protection is same with the one in cooling mode.
e. Overload protection
i. If it detects that the system current surpassed the designed 13 A for continuous 3 seconds,
compressor, electric heater and outdoor motor stop , indoor motor runs the same procedures
as the blowing surplus heat condition. After 3 minutes and current no more than 13 A, the
machine will be back to its original state, indoor motor runs as the anti cool air condition. If
it detects overloading state for 3 consecutive times within 30 minutes, the machine stops,
and it must be restarted by remote controller.
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