Daikin EMRQ10ABY1 [19/36] Guidelines for handling stop valve
![Daikin EMRQ10ABY1 [19/36] Guidelines for handling stop valve](/views2/1764113/page19/bg13.png)
EMRQ8~16ABY1
Daikin Altherma outdoor unit
4P501819-1 – 2017.08
Installation manual
16
4. Branching the refrigerant piping
For installation of the refrigerant branching kit, refer to the
installation manual delivered with the kit.
Follow the conditions listed below:
■ Mount the refnet joint so that it branches either horizontally or
vertically.
■ Mount the refnet header so that it branches horizontally.
10.3. Guidelines for handling stop valve
Cautions on handling the stop valve
■ Make sure to keep both stop valves open during operation.
■ The figure below shows the name of each part required in
handling the stop valve.
■ The stop valve is factory closed.
How to use the stop valve
Opening the stop valve
1. Remove the valve cover.
2. Insert a hexagon wrench (liquid side: 4 mm, discharge side:
8 mm) into the stop valve and turn the stop valve
counterclockwise.
3. When the stop valve cannot be turned any further, stop turning.
The valve is now open.
Closing the stop valve
1. Remove the valve cover.
2. Insert a hexagon wrench (liquid side: 4 mm, discharge side:
8 mm) into the stop valve and turn the stop valve clockwise.
3. When the stop valve cannot be turned any further, stop turning.
The valve is now closed.
Cautions on handling the stop valve cover
■ The stop valve cover is sealed
where indicated by the arrow. Take
care not to damage it.
■ After handling the stop valve, make
sure to tighten the stop valve cover
securely. For the tightening torque,
refer to the table below.
■ Check for refrigerant leaks after tightening the stop valve cover.
Cautions on handling the service port
■ Always use a charge hose equipped with a valve depressor pin,
since the service port is a Schrader type valve.
■ After handling the service port, make sure to tighten the service
port cover securely. For the tightening torque, refer to the table
below.
■ Check for refrigerant leaks after tightening the service port
cover.
Tightening torques
10.4. Leak test and vacuum drying
It is very important that all refrigerant piping work is done before the
units (outdoor or indoor) are powered on.
When the units are powered on, the expansion valves will initialize.
This means that they will close. Leak test and vacuuming drying of
field piping and indoor units is impossible when this happens.
Therefore, there will be explained 2 methods for initial installation,
leak test and vacuuming drying.
General guidelines
■ Use a 2-stage vacuum pump with a non-return valve which can
evacuate to a gauge pressure of –100.7 kPa
(5 Torr absolute, –755 mm Hg).
■ Connect the vacuum pump to the service port of all 3 stop
valves to increase efficiency (refer to "Set-up" on page 17).
1 Horizontal surface
Closing direction
Liquid side Gas side
A
B
±
3
0
°
1
1
3
4
1
2
1 Service port and service port cover
2 Stop valve
3 Field piping connection
4 Stop valve cover
Tightening torque (N•m)
Item 8 10 12 14 16
Stop valve cover, liquid side 13.5~16.5 18~22
Stop valve cover, discharge side 22.5~27.5
Service port cover 11.5~13.9
Refrigerant piping works are
finished?
No
Finish piping work
Ye s
The indoor units and/or
outdoor unit were already
powered on?
No Use procedure "Installation of
refrigerant piping, leak test,
vacuuming before electrical
installation is done (regular
installation method)" on
page 17
Ye s
Use procedure "Installation of
refrigerant piping, leak test,
vacuuming after electrical
installation is done on any
indoor or outdoor unit" on
page 17
NOTE
Do not purge the air with refrigerants. Use a vacuum
pump to evacuate the installation.
4PEN501819-1.book Page 16 Wednesday, September 13, 2017 12:52 PM
Содержание
- Daikin altherma outdoor unit 1
- Installation manual 1
- Ce atitikties deklaracija ce atbilstības deklarācija ce vyhlásenie zhody ce uyumluluk beyani 2
- Ce declaracion de conformidad ce dichiarazione di conformita ce h ø h ymmopºø h 2
- Ce declaration of conformity ce konformitätserklärung ce declaration de conformite ce conformiteitsverklaring 2
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- Ce atitikties deklaracija ce atbilstības deklarācija ce vyhlásenie zhody ce uyumluluk beyani 3
- Ce declaracion de conformidad ce dichiarazione di conformita ce h ø h ymmopºø h 3
- Ce declaration of conformity ce konformitätserklärung ce declaration de conformite ce conformiteitsverklaring 3
- Ce declaração de conformidade се заявление о соответствии ce opfyldelseserklæring 3
- Ce erklæring om samsvar ce ilmoitus yhdenmukaisuudesta ce prohlášení o shodě 3
- Ce i zjava o skladnosti ce vastavusdeklaratsioon ce декларация за съответствие 3
- Ce izjava o usklađenosti ce megfelelőségi nyilatkozat ce deklaracja zgodności ce declaraţie de conformitate 3
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- Продолжение предыдущей страниц 3
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- Installation manual 4
- Ontents 4
- Afety precautions 5
- Efinitions 5
- General information 5
- Ntroduction 5
- Accessories supplied with this unit 6
- Ccessories 6
- Combination and options 6
- Model identification 6
- Scope of the manual 6
- Opening the unit 7
- Verview of unit 7
- Main components in the unit 8
- Electrical component box left switch box 9
- Electrical component box right switch box 9
- Main components in the switch box 9
- Electing an installation location 10
- General precautions on installation location 10
- Dimensions of outdoor unit 11
- Imensions and service space 11
- Selecting a location in cold climates 11
- Weather dependent precautions 11
- Handling 12
- Handling and unpacking the unit 12
- Inspection 12
- Nspectin 12
- Service space 12
- Installing the unit 13
- Unpacking 13
- Efrigerant pipe size and allowable pipe length 14
- Selection of piping material 14
- Selection of piping size 14
- Maximum allowable height difference 15
- Maximum allowable lengths 15
- Piping length restrictions 15
- Refrigerant refnets 15
- Selection of refrigerant branch kits 15
- System piping limitations 15
- Caution for brazing 16
- Connecting the refrigerant piping 16
- Recautions on refrigerant piping 16
- Cautions on handling the service port 19
- Cautions on handling the stop valve 19
- Cautions on handling the stop valve cover 19
- General guidelines 19
- Guidelines for handling stop valve 19
- How to use the stop valve 19
- Leak test and vacuum drying 19
- Tightening torques 19
- Installation of refrigerant piping leak test vacuuming after electrical installation is done on any indoor or outdoor unit 20
- Installation of refrigerant piping leak test vacuuming before electrical installation is done regular installation method 20
- Set up 20
- Ipe insulation 21
- Leak test 21
- Vacuum drying 21
- Internal wiring parts table 22
- Lectrical wiring work 22
- Precautions on electrical wiring work 22
- Requirements 23
- Routing 23
- System overview of field wiring 23
- Transmission wiring routing 23
- Connection 24
- Power supply routing 24
- Precautions when knocking out knock out holes 24
- Harging refrigerant 25
- Precautions 25
- Calculating the additional refrigerant charge 26
- Fill in the label as follows 26
- Important information regarding the refrigerant used 26
- Method for adding refrigerant 26
- Precautions when adding refrigerant 26
- Charging method 27
- Checks after adding refrigerant 27
- W x w x w x x 27
- W x x x x c x 27
- W x x x x x c 27
- Checks before initial start up 28
- Field settings 28
- How to operate the push buttons 28
- Up and configuration 28
- Field settings by push buttons 29
- Precautions before starting test operation 29
- Test operation 29
- W x w x x w x 29
- W x x x x c x 29
- W x x x x x c 29
- X x w x x x x 29
- Test operation 30
- X w w x x x x 30
- X x w x x x x 30
- A2p a2p 31
- Aintenance and service 31
- Peration of the unit 31
- Aution for refrigerant leaks 32
- Introduction 32
- Maximum concentration level 32
- Refrigerant recovery operation method 32
- Service mode operation 32
- Vacuum method 32
- W x w x w x w 32
- W x x x x c x 32
- W x x x x x c 32
- Isposal requirements 33
- Nit specifications 33
- Copyright 2017 daikin 36
- P501819 1 36
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