Daikin VRV 5, Installation And Operation Manual

23 Glossary

Installation and operation manual

46

SV1ASV4~8A14AJV1B

VRV 5 safety valve unit

4P709466-1 – 2023.09

Symbol

Meaning

S*PL

Pressure switch (low)

S*T

Thermostat

S*RH

Humidity sensor

S*W, SW*

Operation switch

SA*, F1S

Surge arrester

SEG*

7-segment display

SR*, WLU

Signal receiver

SS*

Selector switch

SHEET METAL

Terminal strip fixed plate

T*R

Transformer

TC, TRC

Transmitter

V*, R*V

Varistor

V*R

Diode bridge, Insulated-gate bipolar
transistor (IGBT) power module

WRC

Wireless remote controller

X*

Terminal

X*M

Terminal strip (block)

X*Y

Connector

Y*E

Electronic expansion valve coil

Y*R, Y*S

Reversing solenoid valve coil

Z*C

Ferrite core

ZF, Z*F

Noise filter

Specific SV unit wiring diagram legend

Symbol

Meaning

EVSG

Electronic expansion valve (gas
shut-off valve)

EVSL

Electronic expansion valve (liquid
shut-off valve)

X15A

Connector (drain up kit abnormal
signal)

Notes

1

This wiring diagram applies to the SV unit only.

2

Symbols:

: terminal block

: connector

: field wiring

: earth terminal

3

For wiring for the terminal block on X2M ~ X6M (operation),
see the installation manual attached to the product.

4

For X15A (A1P), remove the short circuit connector and
connect the air conditioner stop signal (optional product)
when using the drain up kit (optional product). For details, see
the operation manual attached to the kit.

5

The capacity of the contact is 220~240V AC-0.5A.

6

Digital output: max 220~240V AC-0.5A. To use this output,
see the installation manual.

7

The factory settings of DIP switch (DS1, DS2) are as follows:

Model

DS1, DS2 factory settings

SV1A

ON

DS1

A1P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

Model

DS1, DS2 factory settings

SV4A

ON

DS1

A1P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

SV6A

ON

DS1

A1P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

ON

DS1

A2P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

SV8A

ON

DS1

A1P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

ON

DS1

A2P

OFF

1 2 3 4

ON

DS2

OFF

1 2 3 4

To set the DIP switches (DS1~2) and push buttons (BS1~3), see
the installation manual

23

Glossary

Dealer

Sales distributor for the product.

Authorised installer

Technical  skilled  person  who  is  qualified  to  install  the
product.

User

Person  who  is  owner  of  the  product  and/or  operates  the
product.

Applicable legislation

All  international,  European,  national  and  local  directives,
laws,  regulations  and/or  codes  that  are  relevant  and
applicable for a certain product or domain.

Service company

Qualified  company  which  can  perform  or  coordinate  the
required service to the product.

Installation manual

Instruction  manual  specified  for  a  certain  product  or
application, explaining how to install, configure and maintain
it.

Operation manual

Instruction  manual  specified  for  a  certain  product  or
application, explaining how to operate it.

Maintenance instructions

Instruction  manual  specified  for  a  certain  product  or
application,  which  explains  (if  relevant)  how  to  install,
configure,  operate  and/or  maintain  the  product  or
application.

Accessories

Labels, manuals, information sheets and equipment that are
delivered  with  the  product  and  that  need  to  be  installed
according  to  the  instructions  in  the  accompanying
documentation.

Optional equipment

Equipment  made  or  approved  by  Daikin  that  can  be
combined  with  the  product  according  to  the  instructions  in
the accompanying documentation.

Field supply

Equipment NOT made by Daikin that can be combined with
the  product  according  to  the  instructions  in  the
accompanying documentation.