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