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General Functionality
ESIE02–01
2–14
Part 2 – Functional Description
3
1
2
4
5
1.9
HPS and LPS Function
Applicable units
R(Y)P71-250B
Purpose
HPS (High-Pressure Switch)
If the pressure at the discharge side of the compressor becomes abnormally high, the HPS stops the
unit automatically in order to prevent it from breaking down.
LPS (Low-Pressure Switch)
If the pressure at the suction side of the compressor becomes abnormally low, the LPS stops the unit
automatically in order to prevent it from breaking down.
Method
The table below describes what happens in case of HPS or LPS activation.
Used input
The HPS and LPS detection function uses the following inputs:
If the... is activated
Then...
Remark
HPS
The compressor stops and
stands by for 3 min.
If this is activated an additional 6 times
from the first detection and before it is
turned OFF by the remote control,
the operation stops due to malfunction.
LPS
The compressor stops and
stands by for 3 min.
However, depending on the
operating conditions, the com-
pressor may not turn OFF.
Input
Connection on
indoor PCB
Connection on
outdoor PCB
High-pressure switch
—
X9A
Low-pressure switch
—
X10A
Содержание Sky Air R-407C
Страница 1: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
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Страница 3: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
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Страница 16: ...Introduction ESIE02 01 xii 3 1 4 5...
Страница 18: ...ESIE02 01 1 2 Part 1 System Outline 3 1 1 5...
Страница 42: ...General Outline Outdoor Units ESIE02 01 1 26 Part 1 System Outline 3 1 1 4 5...
Страница 49: ...ESIE02 01 General Outline Indoor Units Part 1 System Outline 1 33 3 1 4 5...
Страница 72: ...General Outline Indoor Units ESIE02 01 1 56 Part 1 System Outline 3 1 1 4 5...
Страница 86: ...Specifications ESIE02 01 1 70 Part 1 System Outline 3 1 1 4 5...
Страница 110: ...ESIE02 01 1 94 Part 1 System Outline...
Страница 130: ...Switch Box Layout ESIE02 01 1 114 Part 1 System Outline 3 1 1 4 5...
Страница 180: ...PCB Layout ESIE02 01 1 164 Part 1 System Outline 3 1 1 4 5...
Страница 182: ...ESIE02 01 2 2 Part 2 Functional Description 3 1 2 5...
Страница 204: ...General Functionality ESIE02 01 2 24 Part 2 Functional Description 3 1 2 4 5...
Страница 216: ...Overview of the cooling mode functions ESIE02 01 2 36 Part 2 Functional Description 3 1 2 4 5...
Страница 232: ...ESIE02 01 3 2 Part 3 Troubleshooting 3 1 3 5...
Страница 294: ...Error Codes System Malfunctions ESIE02 01 3 64 Part 3 Troubleshooting 3 1 3 4 5...