Daikin RXYQ26PY1 Installation Manual download pdf (Page 6)

1 English

RWEYQ8PY1

RWEYQ10PY1

RWEYQ16PY1

RWEYQ18PY1

RWEYQ20PY1

RWEYQ24PY1

RWEYQ26PY1

RWEYQ28PY1

RWEYQ30PY1

VRVW

III

System air conditioner Installation manual

CONTENTS

1. SAFETY PRECAUTIONS ....................................................... 1

2. INTRODUCTION...................................................................... 2

2-1. Combination...................................................................... 2

2-2. Standard operation limit .................................................... 3

2-3. Standard supplied accessories ......................................... 3

2-4. Option accessory .............................................................. 3

2-5. Technical and electrical specifications .............................. 3

3. SELECTION OF LOCATION ................................................... 3

4. INSPECTING AND HANDLING THE UNIT ............................. 4

5. UNPACKING AND PLACING THE UNIT................................. 4

6. WATER PIPING WORK........................................................... 4

7. HANDLING OF THE BRAZED PLATE TYPE HEAT

EXCHANGER .......................................................................... 4

7-1. When designing the equipment ........................................ 4

7-2. Before starting a test run................................................... 5

7-3. Daily service and maintenance ......................................... 5

7-4. Water quality ..................................................................... 5

7-5. Maintenance of plate type heat exchanger ....................... 5

8. FIELD WIRING ........................................................................ 6

8-1. Optional parts.................................................................... 6

8-2. Power circuit and cable requirements ............................... 6

8-3. General ............................................................................. 6

8-4. Examples .......................................................................... 7

8-5. In case of a local setting ................................................... 8

9. REFRIGERANT PIPING .......................................................... 9

9-1. Selection of piping material............................................... 9

9-2. Protection against contamination when installing pipes.... 9

9-3. Pipe connection ................................................................ 9

9-4. Connecting the refrigerant piping.................................... 10

9-5. Example of connection.................................................... 11

9-6. Air tight test and vacuum drying...................................... 13

9-7. Pipe insulation................................................................. 13

9-8. Checking of device and installation conditions ............... 13

9-9. Additional refrigerant charge........................................... 13

9-10. Shutoff valve operation procedure ................................ 14

10. CHECKS AFTER INSTALLATION......................................... 14

11. TEST RUN ............................................................................. 14

11-1. Air discharge ................................................................. 14

11-2. Before turn on the power supply ................................... 14

11-3. Check operation............................................................ 14

11-4. Check of normal operation ............................................ 15

12. CAUTION FOR REFRIGERANT LEAKS ............................... 16

Important information regarding the refrig-

erant used

This product contains fluorinated greenhouse gases covered by the

Kyoto Protocol. Do not vent gases into the atmosphere.

Refrigerant type:R410A

GWP

(1)

value: 1975

(1)

GWP = global warming potential

Please fill in with indelible ink,

 ➀

the factory refrigerant charge of the product,

 ➁

the additional refrigerant amount charged in the field and

 ➀

➁

the total refrigerant charge

on the refrigerant charge label supplied with the product.

The filled out label must be adhered in the proximity of the product

charging port (e.g. onto the inside of the service cover).

(2)

In case of multiple outdoor systems, only 1 label must be adhered,

mentioning the total factory refrigerant charge of all outdoor units

connected on the refrigerant system.

1. SAFETY PRECAUTIONS

Please read these “SAFETY PRECAUTIONS” carefully before

installing air conditioning unit and be sure to install it correctly.

After completing installation, conduct a trial operation to check for

faults and explain to the customer how to operate the air conditioner

and take care of it with the aid of the operation manual. Ask the cus-

tomer to store the installation manual along with the operation man-

ual for future reference.

This air conditioner comes under the term “appliances not

accessible to the general public”.

〈Safety Precaution〉

VRV System is a class A product. In a domestic environment this

product may cause radio interference in which case the user may be

required to take adequate measures.

Meaning of WARNING and CAUTION notices

WARNING.....Failure to follow these instructions properly may

result in personal injury or loss of life.

CAUTION......Failure to observe these instructions properly

may result in property damage or personal

injury, which may be serious depending on the

circumstances.

WARNING

• Ask your dealer or qualified personnel to carry out installation

work.

Do not attempt to install the air conditioner yourself. Improper

installation may result in water leakage, electric shocks or fire.

• Install the air conditioner in accordance with the instructions in

this installation manual.

Improper installation may result in water leakage, electric shocks

or fire.

• When installing the unit in a small room, take measures against to

keep refrigerant concentration from exceeding allowable safety

limits in the event of refrigerant leakage.

Contact the place of purchase for more information. Excessive

refrigerant in a closed ambient can lead to oxygen deficiency.

• Be sure to use only the specified accessories and parts for instal-

lation work.

Failure to use the specified parts may result in the unit falling,

water leakage, electric shocks or fire.

• Install the air conditioner on a foundation strong enough to with-

stand the weight of the unit.

A foundation of insufficient strength may result in the equipment

falling and causing injury.

• Carry out the specified installation work after taking into account

strong winds, typhoons or earthquakes.

Failure to do so during installation work may result in the unit fall-

ing and causing accidents.

1 factory refrigerant charge

of the product:

see unit name plate

(2)

2 additional refrigerant

amount charged in the

field

3 total refrigerant charge

4 Contains fluorinated

greenhouse gases

covered by the Kyoto

Protocol

5 outdoor unit

6 refrigerant cylinder and

manifold for charging

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