Mitsubishi SCM100ZJ-S1, Руководство по обслуживанию

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'11 • SCM-SM-110
1) Start condition:
When the high pressure sensor (HPS) has risen to a specified pressure while the compressor is
turned on.
2) Compressor command speed is controlled according to the zones of high pressure sensor as
shown by the following table.
HPS < P2 P2
<= HPS < P3
P3
<= HPS
P4
<= HPS
Protection control speed (NP)
Normal Retention NP
－
rps 0rps
Sampling time (s)
Normal 0 0 Normal
(a) Operating conditions: When the outdoor air temperature (Tho-A) is °C or lower continues for 0 seconds while
compressor command speed is other than 0 rps.
(b) Detail of operation:
①
The lower limit of compressor command speed is set to B or D rps and even if the speed becomes lower than B or D
rps, the speed is kept to B or D rps. However, when the thermo becomes OFF, the speed is reduced to 0 rps.
②
The upper limit of compressor command speed is set to A or C rps, the speed is kept to A or C rps.
(c) Reset conditions:
When the either of the following condition is satisfied
①
When the outdoor air temperature (Tho-R) becomes °C or higher.
②
When the compressor command speed is 0rps.
(4) Cooling low outdoor temperature protective control
22 25
OFF
0 3
Upper limit C rps
Lower limit D rps
ON
ON
Upper limit A rps
Lower limit B rps
Outdoor air temperature.(°C)
Model
A
B
C
D
75 rps
35 rps
60 rps
45 rps
SCM40ZJ-S
75 rps
35 rps
60 rps
45 rps
SCM45ZJ-S
75 rps
35 rps
60 rps
45 rps
SCM50ZJ-S1
75 rps
30 rps
60 rps
40 rps
SCM60ZJ-S1
75 rps
30 rps
60 rps
40 rps
SCM80ZJ-S1
75 rps
30 rps
60 rps
40 rps
SCM71ZJ-S1
Model
A
B
C
D
75 rps
20 rps
60 rps
31 rps
SCM100ZJ-S1
75 rps
20 rps
60 rps
31 rps
SCM125ZJ-S1
Values of A ~ D
◆
Model SCM100, 125
HPS
NP
P2 P3 P4
20
<= NP < 30
. – . .0 – . . – .0
30
<= NP < 90
. . .0
90
<= NP < 100
. – . . – .0 .0 – .
100
<= NP < 110
. – .0 .0 – . . – .
110
<= NP
.0 . .
Unit: MPa