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ESIE05-03
Outdoor Unit Functional Concept
Part 2 – Functional Description
2–49
3
2
4
5
1
3.3.4
High Pressure Protection Control
Outline
In order to prevent abnormal high pressures in the system and hence avoiding activation of the high
pressure safety device the below control function will be activated.
Details
The high pressure value will be calculated from the low pressure, power input and compressor
frequency. In case of RZQ100~140, low pressure is a calculated value.
P
HPS opens at : 40 bar (tolerance: +0 / -0.15)
P
HPS closes at : 30 bar (tolerance : +/- 0.15)
Flow chart
Parameters
Normal operation
OR
Hp > (C) bar
15 times or
less stop-
ping in 300
minutes
Normal operation
Compressor operation
frequency B Hz
Compressor stop
Malfunction stop (E3 indication)
Malfunction stop (E3 indication)
Compressor stop
Compressor operation
frequency A Hz
Compressor operation
frequency –1 step/10 sec
Compressor operation
fre1 step/1 min
Compressor operation
fre1 step/5 min
Hp > (D) bar
Hp > (C) bar
OR
OR
&
&
Hp < (H) bar
• Hp > (E) bar*
• HPS activates
• HPS activates
• Stopped 16 times in
300 minutes
Hp < (F) bar
• HPS activates
• Hp > (E) bar for
1 minute
• HPS activates
• Stopped 16 times
in 300 minutes
(When cooling operation)
(When heating operation)
Hp < (G) bar
• Hp < 3.24Mpa
• 30 sec elapsed
Note: (E) bar* = (E) bar for 1 minute
RZQ71B
RZQ100~140B
A Hz
79 Hz
58 Hz
B Hz
62 Hz
58 Hz
RZQ71B
RZQ100~140B
C bar
35.3 bar
35.3 bar
D bar
36.3 bar
36.3 bar
E bar
38.2 bar
38.2 bar
F bar
34.8 bar
34.8 bar
G bar
32.9 bar
32.9 bar
H bar
33.8 bar
33.8 bar
I bar
38.2 bar
38.2 bar
ESIE05-03.book Page 49 Wednesday, April 6, 2005 4:09 PM
Summary of Contents for RZQ100B7W1B
Page 1: ...Service Manual ESIE05 03 RZQ71 125B8V3B RZQ100 140B7W1B Sky Air Inverter R 410A B series...
Page 2: ......
Page 10: ...ESIE05 03 viii Table of Contents 3 1 4 5...
Page 24: ...ESIE05 03 1 2 Part 1 System Outline 3 1 1 5...
Page 32: ...General Outline Outdoor Units ESIE05 03 1 10 Part 1 System Outline 3 1 1 4 5...
Page 42: ...Specifications ESIE05 03 1 20 Part 1 System Outline 3 1 1 4 5...
Page 56: ...Functional Diagrams ESIE05 03 1 34 Part 1 System Outline 3 1 1 4 5...
Page 58: ...ESIE05 03 1 36 Part 1 System Outline...
Page 70: ...Wiring Diagrams ESIE05 03 1 48 Part 1 System Outline 3 1 1 4 5...
Page 84: ...PCB Layout ESIE05 03 1 62 Part 1 System Outline 3 1 1 4 5...
Page 86: ...ESIE05 03 2 2 Part 2 Functional Description 3 1 2 5...
Page 110: ...General Functionality ESIE05 03 2 26 Part 2 Functional Description 3 1 2 4 5...
Page 150: ...ESIE05 03 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 188: ...Troubleshooting ESIE05 03 3 40 Part 3 Troubleshooting 3 1 3 4 5...
Page 264: ...Additional Checks for Troubleshooting ESIE05 03 3 116 Part 3 Troubleshooting 3 1 3 4 5...
Page 266: ...ESIE05 03 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 306: ...ESIE05 03 5 2 Part 5 Disassembly and Maintenance 3 1 5...