Panasonic PAW-PACR3 Manuale utente

Instructions for the Electrical Installer (PAW-PACR3)

For your safety

Read the following instructions carefully, and carry out secure installation and electrical work.

The precautions given in this manual consist of specific “Warnings” and “Cautions”. They provide important safety-related information. Be sure to

strictly observe all safety procedures. The labels and their meanings are as described below.

This symbol refers to a hazard or unsafe procedure or practice that can result in personal injury or product or

property damage.

This symbol refers to a hazard or unsafe procedure or practice that can result in severe personal injury or death.

* After installation is completed, perform a test run to check for operating trouble. Explain operating procedures to the customer following the

central control device Operation Manual and then request the customer to store this Instructions for the Electrical Installer together with the

central control device Operation Manual.

1Material

The package includes following items:

• Controller box (Fig. 1-1)

• External power supply for DC 24V (Fig. 1-2)

• 2 pieces cable bushings M20 (Fig. 1-2)

• 3 pieces PAW-T10* (PCB + wire) (Fig. 1-3)

* It is necessary 1 piece for each indoor unit or group of

indoor units.

Required Installation material (field supplied):

• Control wire min. 5 x 0,5 mm² (similar IEC 60227-5)

• Single wire LiY type 1 x 0,5 mm²

• 4 screws diameter 5 mm and wall plugs

• Set of standard electric installation tools

Fig. 1-1

Fig. 1-2

Fig. 1-3

2Installing

Note

• Do not run the indoor/outdoor communication lines, input/output lines, and power cables through the same

conduit, or twist those cables together, or place the cables near one another. It can cause malfunction.

• Install the main unit away from any sources of electrical noise.

• Avoid installing in any locations where the unit may come into contact with water, or in any extremely humid

locations.

• Avoid installing in any location that is subject to excessive vibration or physical impacts.

1. Install PAW-T10 to each individual controlled indoor unit or to one single unit of each group (master or

slave) by inserting the PCB holder into the appropriate holes.

2. Connect the supplied T10 wire to the T10 connector of the indoor unit main PCB (CN061 yellow) and to the

T10 connector of the PAW-T10 PCB (T10 white)

Figure of installation to each Indoor unit

Wall mounted (K1 type)

3. Determine the attachment position of the redundancy controller housing following these guidelines:

• Position ideally half way between the 2 indoor units or in the center of the 3 indoor units or of the

group of units.

• Install so that the room temperature sensor (factory mounted on the left side of the box) is located

at a representative room position. The sensor comes with a 1 m extension cable already fitted

within the box. You may place the sensor also outside the box. In this case please use field

supplied fixing material (such as small pipe clips). Please do not extend this wire by standard wires,

as it is a thermocoupler element you need special extension cable for thermocouple elements type

K) . The temperature sensor is flexible and may be ajusted according to local needs, however do

not use force in order to not brake it.

• Maximum wire length between the control box and each of the indoor units must not exceed 10 m

• Within 1,5 m of the control box a 100 - 240V AC socket must be provided for the power supply

• Take especially care that the controller is not mounted near to an external heat source

• Take care that there is enough space to plug and unplug the power supply to the box (on the left

side) and to be able switching the controller on/off. Free access must be provided to the front plate

for the setup and wiring etc.

Fig. 2-1

3Wiring

Always remove the power supply plug before installing or uninstalling the redundancy controller.

Open the 4 screws in the corners of the front cover and carefully lift the cover up, then you may turn it beside.

Be careful, do not use force and do not let it hang down just by the internal

wiring! (Fig. 3-1):

Fig. 3-1

4. Prepare the holes in the wall according to the illustration here (Fig. 2-1)

Please use the holes, red marked in the drawing, under the screws of the cover.

Arrangement of the terminal board and switches

Fig. 3-2

DC supply plug

On/Off switch

Temperature sensor

Fig. 3-3

17 18 1915 16 201413121110987654321

General Alarm Out COM

General Alarm Out NO contact

All Operation Signal NO contact

All Operation Signal COM

Start/Stop Unit 3 to PAW-T10 contact 1

Start/Stop Unit 3 to PAW-T10 contact 2

Start/Stop Unit 2 to PAW-T10 contact 1

Start/Stop Unit 2 to PAW-T10 contact 2

Start/Stop Unit 1 to PAW-T10 contact 1

Start/Stop Unit 1 to PAW-T10 contact 2

COM contact of Status Unit 3 to PAW-T10 contact 7

COM contact of Status Unit 2 to PAW-T10 contact 7

COM contact of Status Unit 1 to PAW-T10 contact 7

Alarm signal Unit 3 to PAW-T10 contact 9

Operation signal Unit 3 to PAW-T10 contact 6

Alarm signal Unit 2 to PAW-T10 contact 9

Operation signal Unit 2 to PAW-T10 contact 6

Alarm signal Unit 1 to PAW-T10 contact 9

Operation signal Unit 1 to PAW-T10 contact 6

PE External Ground

1. Connecting the power supply

• The unit can use AC power sources between 100 and 240 Volts.

• Connect the power supply to a nearby socket and the DC connector to the DC supply plug (Fig. 3-2)

Connect the ground line securely to (1)

• Please do not connect the power supply until all other wiring is finished and the box is closed

2. Connecting the communication lines

• Use the field supplied 3 pieces minimum 5 x 0,5 mm² wires to connect each PAW-T10 (contacts 2, 3, 8,

11, 12 unit 1 / contacts 4, 5, 9, 13, 14 unit 2 / contacts 6, 7, 10, 15, 16 unit 3 (optional) )

• Preferrably route the wires through the pre-cut holes in the bottom part, you may however choose any

other of the pre-cut holes on the right side or the top. Please use the supplied M20 cable bushings.

Even insertion by the backside is possible, however it may be difficult to run the wires then through the

box under the internal mounting plate.

• The communication wires shouldn‘t exceed 10 m. In case you need a longer distance, please choose a

bigger wiring diameter.

• Do not run the communication lines through the same conduit as any local power supply cable or run

close to any power supply line (maintain at least 30 cm separation).

• On each PAW-T10 bridge the contacts 7 & 10 by using the 1 x 0,5 mm² wire.

• Optional you can connect the all alarm signal (contacts 19 & 20) to external BMS (max. 250 VAC 2A or

30 VDC 2A)

• Optional you can connect the all operation signal (contacts 17 & 18) to external BMS (max. 30 VDC 1 A

or 110 VDC 0,3 A)

Basic Wiring Diagram

Unit or Group 1 Unit or Group 2

All Operation All Alarm

17 18 1915 16 201413121110987654321

Unit or Group 3

4Setting the Indoor units

Before starting the redundancy controller please confirm following has been carried out:

• Each system has been completely started up: pressure test, evacuation, refrigerant filling, powering up,

addressing and test run had been finished successfully. Please do not proceed before start up has been

performed and good operation verified on each system.

• Each system is equipped with a remote controller (it can be any local or centralized controller which is

suitable for that model).

1. Please cut the jumper JP001 on each indoor unit main PCB. (See Fig. 4-1.)

This will convert T10 signals to static ones.

Fig.4-1

2. Set the 2 (or 3) indoor units (or groups) to the desired mode and temperature. Take care that it must be

the same mode for all, in order to get the redundancy function and not make the units to work against

each other.

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