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11-3
CONTROL SYSTEM
SM CN 1-E.1 GB
Target frequency limits as a function of outdoor air temperature (OAT):
OAT Range
Cooling Mode limits
Heating Mode limits
OAT < 6
MaxFreqAsOATC
No limit
6 ≤ OAT < 15
MaxFreqAsOAT1H
15≤
OAT<28
MaxFreqAsOAT2H
28≤ OAT
No limit
11.1.4
Frequency Changes Control
When the unit is running normally , the compressor frequency change rate is 1 Hz/sec.
11.1.5
Compressor Starting Control
11.1.5.1
Compressor starting control for DCI25/35/50/60
Time
Step1
Step2
Step3
Min 10 Minutes
1
Minute
1
Minute
11.1.5.2
Compressor starting control for DCI72Z
Step 1
Whenever the compressor starts up, after it has been off for more than 45 minutes, the compressor
frequency cannot go below
Step1RPS
for 3 continuous minutes (
this rule comes to ensure oil return
to the compressor
).
Step 2
The compressor speed cannot go above
Step2RPS
once after each compressor start up for 3
continuous minutes (
this rule comes to prevent oil exit from the compressor after its start up)
.
Step 3
The speed cannot go higher than
Step3RPS
unless it was operating for more than 1 continuous
minutes between
Step3RPS
– 5 and
Step3RPS
.
After passing above
Step3RPS
, this rule is re-applied when passing below
Step3RPS
-5.
CONTENT
Содержание CN 25 DCI
Страница 15: ...4 2 OUTLINE DIMENSIONS SM CN 1 E 1 GB 4 2 Outdoor Unit DCI 50 4 3 Outdoor Unit DCI 60 CONTENT ...
Страница 16: ...4 3 OUTLINE DIMENSIONS SM CN 1 E 1 GB 4 4 Outdoor Unit DCI 72Z CONTENT ...
Страница 44: ...8 1 WIRING DIAGRAMS SM CN 1 E 1 GB 8 WIRING DIAGRAMS 8 1 CN 25 35 50 60 70 DCI CONTENT ...
Страница 90: ...13 10 EXPLODED VIEWS AND SPARE PARTS LISTS SM CN 1 E 1 GB 13 9 Outdoor Unit ONG3 50 DCI CONTENT ...
Страница 92: ...13 12 EXPLODED VIEWS AND SPARE PARTS LISTS SM CN 1 E 1 GB 13 11 Outdoor Unit DCI 60 CONTENT ...
Страница 94: ...13 14 EXPLODED VIEWS AND SPARE PARTS LISTS SM CN 1 E 1 GB 13 13 Outdoor Unit DCI 72Z CONTENT ...