Mitsubishi Heavy Industries SRK60ZSX-W, Руководство по обслуживанию

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77
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'19 • SCM-SM-276
(15) Serial signal transmission error protection
(a) Purpose
(b) Detail of operation
(16) Rotor lock
(17) Outdoor fan motor protection
(18) Outdoor fan control at low outdoor temperature
Cooling (a)
Detail of operation
(iii) Reset conditions
Outdoor air temperature > 10˚C
Outdoor air temperature <= 10˚C
Outdoor fan
Outdoor air temperature > 16˚C
Outdoor air temperature <= 16˚C
Lower limit speed
Tho-A
Tho-R2 45°C
45°C Tho-R2
3rd
Tho-A
Operating conditions
min
-1
(i)
(ii)
(i)
(ii)
1
2
Tho-R2
3
1
2
-
temperature
Lower
34
34
34 45
45
34
minutes and 35 seconds, the compressor is stopped.
(15) Serial signal transmission error protection
(a) Purpose
(b) Detail of operation
(16) Rotor lock
(17) Outdoor fan motor protection
(18) Outdoor fan control at low outdoor temperature
Cooling (a)
Detail of operation
(iii) Reset conditions
Outdoor air temperature > 10˚C
Outdoor air temperature <= 10˚C
Outdoor fan
Outdoor air temperature > 16˚C
Outdoor air temperature <= 16˚C
Lower limit speed
Tho-A
Tho-R2 45°C
45°C Tho-R2
3rd
Tho-A
Operating conditions
min
-1
(i)
(ii)
(i)
(ii)
1
2
Tho-R2
3
1
2
-
temperature
Lower
34
34
34 45
45
34
minutes and 35 seconds, the compressor is stopped.
Heating
(i)
(b)
Operating conditions
(ii) Detail of operation
(iii) Reset conditions
ࠞ ࠝ
Tho-A
Tho-A
(19) Outdoor fan control at overload
(a) Cooling
(i) Starting condition
When the outdoor air temperature (Tho-A) has risen higher than 41°C for 30 seconds continuously while the com -
pressor is operating.
40 41
ON
Under control
OFF
Normal operation
10 13
ON
Under control
OFF
Normal operation
Outdoor air temperature(ºC)
Outdoor heat exchanger temperature(ºC)
(ii) Contents of control
The outdoor unit fan is stepped up by 3 speed. 〔 Upper limit 7th speed 〕
(iii) Reset condition
When the compressor is turned off or the outdoor air temperature (Tho-A) has dropped lower than 40°C.
(b) Heating
(i) Start condition
When the outdoor heat exchanger temperature (Tho-R1) has risen higher than 13°C for 30 seconds continuously while
the compressor is operating.
40 41
ON
Under control
OFF
Normal operation
10 13
ON
Under control
OFF
Normal operation
Outdoor air temperature(ºC)
Outdoor heat exchanger temperature(ºC)
(ii) Contents of control
The outdoor unit fan is stepped down by 3 speed. (Lower limit is 2nd speed)
(iii) Reset condition
When the compressor is turned off or the outdoor heat exchanger temperature (Tho-R1) has dropped lower than 10°C.