Panasonic FV-SWGR1 User manual

INSTALLATION AND OPERATING INSTRUCTIONS

Remote Control for Energy Recovery Ventilator (ERV)

CONTENTS

SAFETY INSTRUCTIONS ........................................ 2

INSTALLATION INSTRUCTIONS ........................ 2～3

INSTALLATION AND OPERATING

REQUIREMENTS ................................................... 4

SUPPLIED ACCESSORIES....................................... 4

PART NAMES AND DIMENSIONS.......................... 4

HOW TO INSTALL ............................................ 5～7

TEST RUN ............................................................. 7

RS485 CONNECTION SETTINGS ....................... 7～8

LIST OF REGISTER ADDRESSES.......................8～10

KEY FUNCTIONS AND DISPLAY

DESCRIPTION .............................................. 10～11

OPERATION................................................. 11～12

USE AND MAINTENANCE INSTRUCTIONS........... 12

TROUBLESHOOTING........................................... 13

WIRING DIAGRAM ............................................. 13

SPECIFICATIONS................................................. 14

Model No. FV-SWGR1

Thank you for purchasing this Panasonic product.

Please read these instructions carefully before attempting to install, operate or service the

Panasonic product.

Please carefully read “INSTALLATION INSTRUCTIONS” (P.2～3) of this instructions before

installation. Failure to comply with instructions could result in personal injury or property

damage. Please explain to users how to operate and maintain the product after installation,

and this booklet should be presented to users. Please carefully read “USE AND MAINTENANCE

INSTRUCTIONS” (P.12) of this instructions before operation.Please retain this booklet for

future reference.

WARNING

Otherwise, it may cause an electric shock

or risk of fire.

Please stop the operation and cut off

the power supply immediately if an

abnormality occurs. Please contact the

dealer where you purchased the

product.

Otherwise, it may cause an electric shock or

risk of fire.

Be sure to entrust a professional to

install the product securely.

Do not install the product in a place

where combustible gas may leak.

Otherwise, it may result in a fire.

INSTALLATION INSTRUCTIONS

Disconnect power supply before maintenance.

This product is not intended for use by persons (including children) with reduced physical, sensory

or mental capabilities, or lack of experience and knowledge, unless they have been given supervision

or instruction concerning use of the product by a person responsible for the safety. Children should be

supervised to ensure that they do not play with the product.

If the supply cord is damaged, it must be replaced by manufacturer or its service agent or a similarly

qualified person in order to avoid a hazard.

This indication means: Must be treated seriously that this may result in

death or serious injury.

WARNING

CAUTION

Types of instructions that should be observed have been classified and described by the following

pictorial symbols.

This symbol indicates the “COMPULSORY”

item that must be followed without failure.

This symbol indicates the item is

“PROHIBITED” to do.

This indication means: Must be treated seriously that this may result in

injury or physical damage.

SAFETY INSTRUCTIONS Please observe strictly

The degrees of injury or damage that can occur when the instructions are ignored and if the product is

not used properly have been classified and described by the following indications.

The following instructions should be strictly observed in order to prevent injury to the users and other people,

or damage to property.

CAUTION

Otherwise, it may cause scratches.

Gloves should be worn during

installation.

Otherwise, the product may fall off, and thus

cause injury.

Always use the supplied special-purpose

or dedicated parts like mounting fixtures

when needed.

Otherwise, it may cause damage to the

controller, the ERV or the RS485-linked

relay.

Be sure to connect wires as specified

in the Wiring Diagram.

Otherwise, it may cause faults, screen

breakage, etc.

Do not press the screen of the product.

WARNING

Otherwise, it may cause an electric shock.

Do not connect cables using methods

other than those specified in this

manual.

Otherwise, it may result in fire.

Please use fixed wiring with a nominal

cross-sectional area of 1.5 mm2per core

and a rated voltage of 300 V/500 V or

less as the control wire between the

power cord and the ERV.

Do not use wet hands to operate or

pour water over the product.

Otherwise, it may cause an electric shock.

Otherwise, it may pose a risk of fire or

electric shock.

Do not install the product in a bathroom

or other high-humidity areas.

Otherwise, it may cause an electric shock.

Always isolate the power supply to all

the circuits before touching the

terminals or wiring.

Otherwise, it may cause an electric shock

or risk of fire.

Never modify or repair the product by

yourself. Please contact the dealer

where you purchased the product.

Never use any power supply other than

the one with the rated voltage.

Otherwise, it may pose a risk of fire or an

electric shock.

Otherwise, it may result in a fire.

Do not spray combustibles directly onto

the product.

INSTALLATION INSTRUCTIONS

●The remote control can link up to 10 energy recovery ventilators.

●The mounting surface should be as flat as possible to prevent deformation of the

product. (If the wall is not flat, the LCD screen may be damaged, or faults may occur.)

●If the installation position is too high or too low, you may not be able to see the

LCD screen clearly. It is recommended that the product be mounted 1.5 m or so

above the ground for clear vision. For users with physical disabilities and wheelchair

users, the height may need to be adjusted accordingly in line with local regulations.

●The remote control with the RS485 function shall be at least 1 m away from TV sets,

broadcast radios, computers, etc. (Otherwise, it may cause distorted or skewed images

or noises.)

●The switch box required for installation is included inside the packing case of the ERV.

Always keep in mind the appearance specifications of the remote control, and ensure

that the switch box you bought can match the remote control.

Recommended exterior dimensions: ≥102 mm x 102 mm x 35 mm (H x W x D).

Outside view

Unit: mm

The product comes with the following accessories. After unpacking the packing case, check that all items

are included. If anything is missing, please contact your dealer.

No.

Figure

Quantity

Name

Remote Control

Installation and Operating Instructions

Screws (M4x20)

14 1

123

INSTALLATION AND OPERATING REQUIREMENTS

SUPPLIED ACCESSORIES

PART NAMES AND DIMENSIONS

120

116

65.5

83.5

Switch Box

Protective film Top cover

Base

Left back cover

of base

Right back cover

of base

83.5 mm

102 mm

46 mm

Wall

Switch Box

Upside snap joint bayonet

Downside snap

joint bayonet

Top cover

Base

1-1. Connect the wire

Draw out the control wire from the switch box, open the right back cover of the base, and connect the

wire as illustrated in the Wiring Diagram. For details, please refer to the following figure or the attached

Wiring Diagram. Finally, close the right back cover after checking that the wire is securely connected.

Control wire (Recommended

length: 90 mm - 110 mm.

If it is too long or too short,

it will make the installation harder.)

1-2. Disassemble the top cover

Note that the top cover is connected to the base

with a flexible flat cable .

Do not pull hard, or the cable may be become damaged.

Notice

1-4. Fix the top cover

Fix the top cover to the base, close the upside snap joint bayonet first and then the downside one,

as indicated by the arrow.

Do not press the LCD screen or

damage to the screen may occur.

While installing the top cover, please make

sure that the internal flexible flat cable is

not caught by the circuit board or resin.

In case the pinched sheath is broken, current

leakage may occur.

CAUTION

6 mm

Correct

Wrong

The core wires are not

fully inserted into the

terminals.

Wire Stripping & Connection Diagram

Screws

(Accessories)

Switch Box

Flexible flat cable

Top cover

Wall

Control

wire

Wall Switch Box

Screws

(Accessories)

Base

1-3. Fix the base into the switch box

Check that the flexible flat cable is not loose, and put the base into the switch box. Pay attention to the

direction of the base (↑UP indicates upward).

Fix the base with the four supplied screws. Be careful not to over-tighten the screws because it could

cause damage or deformation to the resin shell.

HOW TO INSTALL

Supplied power

220 V～ 50 Hz

Remote

Control

Com

源

COM

Damper

SW2

SW1

Power

Top cover

Base

Control wire

Groove

Flexible flat

cable

Insert a flat-head screwdriver into the groove as

shown in the following figure, pry off the top cover,

and remove gently.

Earth

terminal

Earth

terminal

Earth

terminal

2-2. Disassemble the top cover

Refer to “1-2. Disassemble the Top Cover” in the section “How to Install”.

Low voltage connection (where the remote control is connected to the ERV): Refer to “1-1. Connect

the wire” in the section “How to Install”.

Extra-low voltage connection(where the remote control is connected to RS485): Open the left back cover,

and refer to the figure below or the attached Wiring Diagram for details.

2-1. Connect the wire

Notice

“A” indicates the positive end “﹢”, while “B” the negative

end “﹣”. Incorrect wiring will make control impossible.

Centralized

control system

(Correct) (Wrong)

The core wires are not

fully inserted into the

terminals.

6mm

Wiring Stripping & Connection Diagram for RS485

Please use the general

RS485 cable.

2-3. RS485 Connection Settings

Machine address setting

The terminal resistance of the RS485 unit is OFF by

default (as shown in figure on the right). Do not turn it

on if the wire connecting the product to the centralized

control system is less than 200 m; but turn it on if the wire is 200 m

or greater (Keeping it OFF may result in communication failure).

Notice

DIP SW 6 bits for setting the machine address.

By default, the address is set to 1. (

: OFF

○

: ON)

Terminal resistance setting

Terminal resistance: 120 Ω.

This value also applies to the relay.

To adjust the terminal resistance and machine

address, please use a small flat-head screwdriver.

DIP SW

Address

List of the machine addresses

DIP SW

Address

DIP SW

Address

1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6

○

*Write down the address set for future reference.

Terminal

resistor

OFF

Terminal

resistor

HOW TO INSTALL(RS485 CONNECTION)

Low voltage

connection

Extra-low voltage

connection

2-4. Fix the base into the switch box

Refer to “1-3. Fix the base into the switch box” in the section “How to Install”.

2-5. Fix the top cover

Refer to “1-4. Fix the Top Cover” in the section “How to Install”.

When installation is complete, turn on the power, press each of the function keys on the remote control

to check if the ERV works correctly. If the ERV does not operate, please check if the power supply is

terminated correctly and securely.

Specifications

Start-stop synchronous mode; start bit: 1bit; data bit: 8bit; stop bit: 1bit;

parity check bit: nil

Information transfer mode

Check Field

Address bar

Basic form of protocol

Data zone

Valid scope of the address: 1-63

Adopt the 16-bit CRC (Cyclic Redundancy Check) in the MODBUS-RTU mode.

Modbus frame structure

Byte order used in the Modbus data zone: Big-Endian.

(High-order byte →Low-order byte)

9600 bps

Data transfer rate

HOW TO INSTALL(RS485 CONNECTION)

TEST RUN

RS485 CONNECTION SETTINGS

Function code Content Function description

0x03

Reading register Reads register values.

Writing register Writes a (single) set value.

Writing complex register Writes a (complex) set value.

0x06

0x10

Communication frame structure

Name

Number of bytes Default interval

1 1

1 2 3 4 65

Start Machine address Function code Data Check code End

Default interval

Start: Set a default range of 3.65 ms or more between signals (without communication time).

Machine address: Specify a machine address to connect the RS485 module. (Refer to “List of the machine

addresses” for the setting method.)

Function code:

Data: The composition of the data section varies with the function code and register address.

(Refer to “Cases of Setting Communication Framework”.)

Check code: The calculated value of a 16-bit CRC in the Modbus-RTU mode.

End: Set a default range of over 3.65 ms between signals (without communication time).

·For CRC calculation, refer to below:

■Below is a list of register addresses used by the RS485 module for communication.

address Data name Function

code Type Data value

Read/

Write

Data length

[Byte]

0xFF: set Skip (keep the current setting)

Running state UINT16

R/W

0x03

0x06

0x10

0x0001

0x00: OFF

0x01: ON

0xFF: set Skip (keep the current setting)

Running mode UINT16

R/W

0x03

0x06

0x10

0x0002

0x00: Heat exchange

0x01: Normal ventilation

RS485 CONNECTION SETTINGS

LIST OF REGISTER ADDRESSES

1. Preset a 16-bit register as 0FFFFH (all 1s), which is called a CRC register.

2. Perform an exclusive-or (XOR) operation between the 8 bits of the first byte in the data

frame and the low byte in the CRC register, and store the result back to the CRC register.

3. Shift the CRC register one bit to the right, put a 0 in the most significant bit, shift out the

least significant bit, and perform a detection.

4. If the least significant bit is 0: repeat Step 3 (for the next bit shift); if the least significant

bit is1: perform an exclusive-or (XOR) operation between the CRC register and the preset

fixed value (0A001H).

5. Repeat Steps 3 and 4 until 8 bit shifts are performed. This completes the bit manipulation

of an 8-bit byte.

6. Repeat Steps 2 through 5 to manipulate the next 8 bits until all byte manipulations are

complete.

7. The final value of the CRC register is the CRC value.

1. Please set the data sending interval of the Modbus main node (centralized control system) to less than

1 minute to ensure a smooth network connection.

2. Press and hold the TIME key and the key at the same time for 3 seconds to disable or enable the

RS485 function.

The range of continuously accessible complex register addresses is as follows:

Read (function code 0x03): 0x0001～0x0003, 0x000B, 0x000D, 0x000E, 0x0011～0x0013

Write (function code 0x10): 0x0001～0x0003, 0x000E, 0x0011～0x0013, 0x0015～0x0016

1Use the function code 0x03 to read the complex register address (0x0011 to 0x0013) together.

Use the function code 0x10 to write the complex register address (0x0011 to 0x0013) together.

2 Use the function code 0x10 to write the complex register address (0x0015 to 0x0016) together.

3It is a reserved data field. The reading value and writing value are invalid.

Note: Do not access undefined register addresses.

■Network settings

By default, RS485 is set to ON.

The icon flashes rapidly: The Intranet connection is underway; The icon stays solid on:

The Intranet connection is successful.

The icon goes off: No valid network signal has been detected (Possible causes: The centralized

control system did not send any valid signal; the communication line is wrongly connected, or the line is

broken; the RS485 function is disabled). In the event of an error check integrity of communication wiring

and wiring termination.

Notice

address Data name Function

code Type Data value

0xFF: set Skip (keep the current setting)

Air volume

Read/

Write

UINT16

R/W

0x03

0x06

0x10

0x0003

0x01: Low

0x03: High

UINT16R0x030x000B

0x000E

0x0011

0～720h

0～2880h

0x000D

The time remaining

to clean the filter

The time remaining

to replace the filter

UINT16R0x03

UINT8

0x04: 120 days

0xFF: set Skip (keep the current setting)

UINT8

R/W

0x03

0x06

0x10

Filter replacement

cycle

TIMER ON setting

(Hours)

TIMER ON setting

(Minutes)

0x03

0x10 R/W

UINT8

0x00～0x17: 0-23 hours

0x7F: no valid data

0x00～0x3B: 00-59 minutes

0x7F: no valid data

TIMER OFF

TIMER ON

0x03

0x10 R/W

UINT8

0xFF: set Skip (keep the current setting)

0x00: OFF

0x01: ON

UINT8

0xFF: set Skip (keep the current setting)

0x00: OFF

0x01: ON

0x0012

0x0013

TIMER OFF setting

(Hours)

TIMER OFF setting

(Minutes)

0x03

0x10 R/W UINT8

UINT8

0x00～0x17: 0-23 hours

0x7F: no valid data

0x00～0x3B: 00-59 minutes

0x7F: no valid data

0x0015

Reservation *3

Network time

(Minutes)

UINT8

W0x10

UINT8 0x00～0x3B: 00-59 minutes

0xFF: set Skip (keep the current setting)

0x0016

*2 Reservation *3

Network time

(Hours)

0x10 W

UINT8

Data length

[Byte]

(Low-order byte)

(High-order byte)

(Low-order byte)

(High-order byte)

(Low-order byte)

(High-order byte)

(Low-order byte)

(High-order byte)

(Low-order byte)

(High-order byte)

(Low-order byte)

(High-order byte)

UINT8

0xFF: set Skip (keep the current setting)

0x00～0x17: 0-23 hours

Reservation *3

· If the icon flashes slowly three times and then goes off, the RS485 function is disabled.

· If the icon flashes rapidly or stays solid on, the RS485 function is enabled.

LIST OF REGISTER ADDRESSES

No. Name Function

Standby key ERV running/standby switchover

TIME key Adjusts the clock and sets the TIMER ON/TIMER OFF function.

Increases the time setting of the clock and the TIMER ON/TIMER OFF function; selects the mode

of the clock and the TIMER ON/TIMER OFF function.

Decreases the time setting of the clock and the TIMER ON/TIMER OFF function; selects the mode

of the clock and the TIMER ON/TIMER OFF function.

“︿” key

“﹀” key

■Cases of Setting Communication Framework for the RS485 Device

When reading and writing the data of register addresses 0x0011 to 0x0013 for a device with 0x01 as its

machine address.

Controller →Centralized control system (Reading feedback)

Machine

address

0x01

Function

code

0x03

Data 1

High

order

Low

order

0x01 0x10

Data 2 Data 3

High

order

Low

order

High

order

Low

order

0x01 0x01 0x3B 0x12

Size of the

data read

0x06

Low

order

High

order

0x22 0x66

Centralized control system →Controller (Writing the function code 0x10)

Machine

address

0x01

Function

code

0x10

Size of

the data

Data 2 Data 3

High

order

Low

order

High

order

Low

order

Write quantity Check code

Low

order

High

order

High

order

Low

order

Data 1

High

order

Low

order

Start address

High

order

Low

order

0x06 0x01 0x01 0x3B 0x12 0xB5 0xC30x00 0x03 0x01 0x100x00 0x11

Controller →Centralized control system (Writing feedback)

Machine

address

0x01

Function

code

0x10

Start address

High order Low order

0x00 0x11

Write quantity Check code

High order Low order Low order High order

0x00 0x03 0xD0 0x0D

■Error code response example

Machine

address

Function

code

0x01

Data

Check code

Low order High order

Low-order data High-order data

The function code received by the RS485 module +0x80

Error code content

Error code Content

0x01

0x02

0x03

Bad function code

Bad register code

Bad request quantity

Description

An incorrespondent function code is specified.

A register address not covered in the list of register addresses is specified.

Inconsistent data quantity is specified.

Error code

Check code

If controller is not operated for 1 minute or longer the

LCD backlight will go out. Press any key to turn the

LCD backlight on.

0x0011: Set the time for TIMER ON.

0x0012: Set TIMER ON/Cancel the timer.

0x0013: Set the time for TIMER OFF.

Centralized control system →Controller (Reading the function code 0x03)

Machine

address

0x01

Function

code

0x03

Start address

High order Low order

0x00 0x11

Read quantity Check code

High order Low order Low order High order

0x00 0x03 0x55 0xCE

LIST OF REGISTER ADDRESSES

KEY FUNCTIONS AND DISPLAY DESCRIPTION

1 2 3 4 5 6

11 13

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