Daikin RZQ125B7W1B [132/326] Low pressure protection control rzq100 140

Daikin RZQ125B7W1B [132/326] Low pressure protection control rzq100 140
Outdoor Unit Functional Concept ESIE05-03
2–48 Part 2 Functional Description
3
1
2
4
5
3.3.3 Low Pressure Protection Control (RZQ100~140)
Outline In order to prevent abnormal low pressures in the system, the below control function will be activated.
Low pressure is detected by the low pressure switch.
Flow chart
Parameters
Normal operation
LPS activates
Normal operation
&
(When cooling operation)
(When heating operation)
Within 5 minutes after defrosting
LPS activates continuously
Upper limit A Hz
Copmressor upper
limit frequency
B Hz
Compressor upper
limit frequency
C Hz
Compressor upper limit
frequency
C Hz
Compressor stop: O Hz
Malfunction stop (E4 indication)
&
LPS returns
30 sec elapsed
10 times or less
stopping in 200 minutes
LPS activates
5 minutes elapsed
10 times or less stopping
in 200 minutes
LPS activates
1 minute elapsed
LPS returns
Condition D*
Condition D*
Stopped 11 times in 200 minutes
Within 5 minutes after starting
After 10 minutes after defrosting
Condition D* : &
•OR
Lp > 0.25 Mpa
LPS activates
LPS returns
1 minute elapsed
LPS returns
30 sec’s elapsed
&
&
&
RZQ100~140B
A Hz 123 Hz
B Hz 72 Hz
C HZ 41 Hz
ESIE05-03.book Page 48 Wednesday, April 6, 2005 4:09 PM

Содержание

Скачать