Equipment information
NEC MultiSyncP701 Monitor
Manufacturer:
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Model:
MultiSyncP701
Date:
Category:
Group:
Description:
LCD 70" Public Display
Manual Type:
User Manual
Pages:
40
Size:
3.69 Mbytes (3867254 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2020 01 26
MD5:
26ef7e5e15eebfc027452d3c531e2f49
Downloads:
276
Information
This service manual is made to assist the service technician
apply his knowledge and training
to this model Air Conditioner. This manual is written both
for experienced service persons
and those who are new to air conditioning service. To help
those with less experience or
who are new to this kind of unit we have included more
explanations of basic procedures in
simple language than is usual in some service manuals. The
experienced technician will of
course find he knows many of these things already and can go
directly to the procedures and
information he needs; the less experienced technician will
better understand what to do even
before he arrives on the job, and therefore be better able
to work by himself as well as assist
the more experienced technician.
TABLE OF CONTENTS
1.
SPECIFICATIONS ...
I - 1
1-1 Unit Specifications
... I
- 2
1-2 Major Component Specifications
... I
- 12
(A) Indoor Units
... I
- 12
(B) Outdoor Units
... I
- 22
1-3 Other Component Specifications
... I
- 25
1-4 Dimensional Data
... I
- 38
(A) Indoor Units
... I
- 38
(B) Outdoor Units
... I
- 47
1-5 Refrigerant Flow Diagram
...
I - 49
1-6 Operating Range
... I
- 50
1-7 Cooling
Capacity ... I
- 51
1-8 Heating Capacity
... I
- 71
1-9 Performance
Charts ... I
- 72
1-10 Noise Criterion
Curves ... I
- 90
1-11 Increasing the Fan
Speed ...
I - 95
1-12 Air throw Distance Chart
... I
- 96
1-13 Installation Instructions
... I
- 99
2. PROCESSES AND FUNCTIONS
...
II - 1
2-1 Room Temperature Control
...
II - 2
2-2 Cold Draft Prevention (Heating
Cycle) ...
II - 4
2-3 Automatic Fan Speed (Indoor Unit)
...
II - 5
2-4 Outdoor Fan Speed
Control ...
II - 6
2-5 Freeze Prevention (Cooling)
...
II - 7
2-6 Condensing Temperature Control (Cooling)
... II - 8
2-7 Overload Protection (Heating)
...
II - 9
2-8 Discharge Temperature Control (Cooling and Heating)
... II - 10
2-9 Auto. Mode for Automatic Heating/Cooling Switching
... II - 11
2-10 Defrosting Control, Outdoor Heat Exchanger Coil
(Heating) ... II - 13
2-11 4-Way Valve, Solenoid Control
...
II - 14
2-12 Automatic Restart after Power
Interruption ...
II - 15
2-13 Electronic Expansion Control
Valve ...
II - 16
2-14 Compressor Discharge Gas Temperature
... II - 16
2-15 Compressor Current Detection Circuit
... II - 17
2-16 Electronic Expansion Valve
...
II - 18
2-17 Voltage Detection Control
...
II - 19
3. ELECTRICAL DATA
... III
- 1
3-1 Indoor Unit (Electric Wiring Diagram, Schematic Diagram)
... III - 2
3-2 Outdoor Unit (Electric Wiring Diagram, Schematic
Diagram) ... III - 12
4. SERVICE
PROCEDURES ...
IV - 1
4-1 Troubleshooting
...
IV - 2
4-2 Checking the Electrical Components
... IV - 30