Air-Conditioners OUTDOOR UNIT
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FOR INSTALLER INSTALLATION MANUAL
PUHY-YMC
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Contents
Symbols used in the text
1. Safety precautions
1.1. Before installation and electric work
1.2. Before getting installed
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1.3. Before getting installed moved - electrical work
1.4. Before starting the test run
Quantity of connectable
2. Combination with indoor units
3. Confirmation of parts attached
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4. Outdoor unit configuration
5. Selection of installation site
6. Space required around unit
6.1. Individual installation
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7. Lifting method and weight of product
6.2. Collective installation and continu- ous installation
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8. Installation of unit
8.2. Installation
8.1. Location of anchor bolt
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8.3. Connecting direction for refrigerant piping
8.4. Noise level
Down piping and down wiring precautions
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9. Caution for snow and seasonal wind
9.1. Snow and seasonal wind
9.2. Countermeasure to seasonal wind
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10. Refrigerant piping installation
10.1. Areas of caution
Selecting the refrigerant branch kit
10.2. Refrigerant piping system
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Line-branch method
Select each section of refrigerant piping
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Multiple line/header
Selecting the refrigerant branch kit
the manufacturer
10.3. Precautions concerning piping connection and valve operation
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Hollow packing
C D’ G
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Replace the solid packing
Appropriate tightening torque by torque wrench
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Oil balance pipe Bend piping at the site
10.4. Oil balance pipe connection method
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10.5. Distributor gas connection method
10.6. How to install branch pipe
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10.7. Airtight test and evacuation
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10.8. Thermal insulation of refrigerant piping
B A C
No heat insulation must be provided for electric wires
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Penetrations
Branch piping section
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11. Electrical work
A B C D E A B G
11.2. Control box and connecting posi- tion of wiring
J B F
C D A E
CONT. board
Power
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c. Transmission booster optional
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11.3. Wiring transmission cables
1 Connecting a transmission booster
4 Wiring examples
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For details, see wire connection example C
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Wiring
length
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r1, r2
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11.4. Wiring of main power supply and equipment capacity
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12. Test run
12.1. Checking before getting test run
12.2. Test run method
abnormality
12.3. How to cope with test run abnormality
A ON
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Transmission or remote controller cable
12.4. Coping with remote controller abnormality
ABCDEFGH
Outdoor unit power was not turned on
warming up operation is performed for at least 35 minutes to warm the
12.5. The following phenomena do not represent abnormality emergency
temperature becomes 35C, low speed operation for 2 minutes there
when turning ON universal power sup
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this manual before handing it to the customer
This product is designed and intended for use in the residential
commercial and light-industrial environment
Please be sure to put the contact address/telephone number on