Mitsubishi Electric DXK09ZJ-S, Техническое руководство

Страница: 50 / 115

- -
'11 • SRK-T-118
'09•SRK-DB-087D
(d) Cooling low outdoor air temperature protective control
1) Operating conditions:
2) Detail of operation:
C D A B
OFF
E F
Upper limit 50 rps
Lower limit 44 rps
ON
ON
Upper limit 50 rps
Lower limit 50 rps ON
Upper limit 60 rps
Lower limit 30 rps
Outdoor air temperature.(°C)
3) Reset conditions:
(e) Heating high pressure control
1) Purpose:
2) Detector:
3) Detail of operation:
A
B C D
Indoor heat exchanger temperature(°C)
4rps
(1)
8rps
(2)
8rps
(2)
4rps
(1)
0rps
After lapse of 20 sec. or over
(3)
After lapse of 20 sec. or over
(3)
After lapse of 20 sec. or over
(3)
lower limit
speed 30(23) rps
(Example) Fuzzy
Temperature list
Models 09, 12
A B C D
RPSmin < 50
50 <= RPSmin < 91
91 <= RPSmin < 97
97 <= RPSmin < 100
100 <= RPSmin < 115
115 <= RPSmin
First time
Since the
seconds times
Outdoor air temperature (˚C)
A B C D E F
a)
b)
a)
b)
than 50 <44> (30) rps, the speed is kept to 50 <44> (30) rps. However, when the thermo becomes OFF,the speed is
(Models 09, 12)
First time
Since the
second times
Outdoor air temperature (˚C)
A B C D
(Model 18)
(model 18 : 9ºC or 10ºC)
9
16 19
10
Note (1) Value in ( ) are for the model 18.
'09•SRK-DB-087D
(12)
ޓ
Protective control function
(a) Frost prevention control
1) Operating conditions
2) Detail of anti-frost operation
3) Reset conditions:
Indoor heat exchanger
temperature (ºC)
2.5 5 8
0 rps
Lower
limit
speed
compressor
command
speed
(b) Cooling overload protective control
1) Operating conditions:
2) Detail of operation
3) Reset conditions:
(c) Cooling high pressure control
1) Purpose:
2) Detector:
3) Detail of operation:
53
58 63
Outdoor heat exchanger temperature (°C)
6rps (1)
6rps (1)
0rps
After lapse of 30 sec. or over (3)
After lapse of 30 sec. or over (3)
After lapse of 30 sec. or over (3)
lower limit
speed 30 (model 18 : 29) rps
(Example) Fuzzy
Indoor heat exchanger
temperature
Item
5°C or lower 2.5°C or lower
Lower limit of compressor command speed
Indoor fan
Outdoor fan
4-way valve
Item
DXK09, 12ZJ-S DXK18ZJ-S
Outdoor air temperature
Lower limit speed
Model
a)
b)
a)
b)
a)
b)
a)
b)
(model 18 : 23 rps)
more, or 47ºC or more (model 18 : 41ºC or more) with the compressor running, the lower limit
41°C or more
29 rps
The lower limit of compressor command speed is set to 30 or 40 (model 18 : 29) rps and even if the calculated result
becomes lower than that after fuzzy calculation, the speed is kept to 30 or 40 (model 18 : 29) rps. However, when the
thermo becomes OFF, the speed is reduced to 0 rps.