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1. INTRODUCTION
This Service Manual has been prepared as an aid to HVAC installation teams and users, to
help you better understand the equipment. This information is also designed to make you
aware that the Air Conditioner is a product that must be used with care and understanding.
This Service Manual provides comprehensive technical documentation for all models of
UNIQUE-CU split and packaged air conditioners.
The information contained in this manual is useful for application engineers, architects,
designers and various level service and installation personnel.
The manual also contains information about the optional features offered by the UNIQUE-CU
series, as well as helpful information on split air-conditioners, electrical wiring diagrams and
refrigeration cycle diagrams for the various models.
Please read this entire Service Manual and pay particular attention to safety. Your failure to
read this manual is a misuse of the product which could result in personal injury or property
damage.
The manufacturer reserves the right to change product specifications without prior
notice.
1.1 Product Overview
Unique-CU Air Conditioners are the perfect choice for many residential, industrial and
commercial applications, offices and buildings. The operation of Unique-CU Air Conditioners
is quiet and the incorporated electronic controls ensure performance, durability and low
maintenance requirements.
All Unique-CU Air Conditioners include cooling and heating by heat pump.
All Unique-CU Air Conditioners are ISO
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9002 certified
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1.2 Product Code
CU - -
Model
Phases: 1 – Single Phase
150-1400
3 – Three Phase
Indoor Unit Type
C – Outdoor Unit
A – Dual Fan
E – Indoor Unit
C – Single Fan
P – Packaged Unit
Unique-CU series air conditioner
Summary of Contents for CU Series
Page 1: ...Service Manual And Spare Parts List And ...
Page 2: ......
Page 6: ...iv NOTES ...
Page 12: ... 6 NOTES ...
Page 16: ... 10 NOTES ...
Page 20: ... 14 NOTES ...
Page 24: ... 18 NOTES ...
Page 28: ... 22 NOTES ...
Page 36: ... 30 NOTES ...
Page 37: ... 31 4 1 Typical Refrigeration Cycle ...
Page 39: ... 33 5 1 Air flow Curves Fans 145 220 30W and DD 7 7 90W ...
Page 40: ... 34 5 2 Air flow Curves Fans DD 7 7 147W and DD 7 10 147W ...
Page 41: ... 35 5 3 Air flow Curves Fans DD 9 9 245W and DD 9 9 370W ...
Page 42: ... 36 5 4 Air flow Curves Fans DD 9 10 370W and DD 9 9 370W ...
Page 43: ... 37 5 5 Air flow Curves Fans DD 10 10 550W and DD 12 12 550W ...
Page 44: ... 38 NOTES ...
Page 45: ... 39 6 1 Electrical Wiring Diagram CU150 400 1PH ...
Page 46: ... 40 6 2 Electrical Wiring Diagram CU150 480 3PH ...
Page 47: ... 41 6 3 Electrical Wiring Diagram CU500 800 3PH ...
Page 48: ... 42 6 4 Electrical Wiring Diagram CU1000 1400 3PH ...
Page 59: ... 53 ...
Page 60: ... 54 ...
Page 61: ... 55 8 4 Electrical Wiring Scheme ...
Page 80: ... 74 NOTES ...
Page 84: ... 78 2 4 5 6 7 8 9 1a 3 1b 11 2 Outdoor Unit Electrical Components ...
Page 87: ... 81 6 5 4 3 2 1 7 9 10 11 12 13 8 C ONLY A ONLY A ONLY 11 3 Indoor Unit Assembly ...
Page 99: ... 93 ...
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Page 106: ... 100 NOTES ...
Page 107: ......