Panasonic CZ-RWSU2U installation instructions Warnings about Installation of Receivers, Wiring

INSTALLATION INSTRUCTIONS Model No. CZ-RWSU2U

Warnings about Installation of Receivers

The wireless remote uses a very weak infrared light for its signal, which can result in the signal not being received because of the following influences, so take care in where the unit is installed.

•Inverter or rapid-start type fluorescent lights. (Models without glow lamps)

•Plasma display or LCD televisions.

•Direct sunlight or other sources of bright light.

Warnings about Installing Remote Controllers

If a remote controller is to be operated from a remote control holder that is hung on a wall, turn on the lights in the room as well as any electrical appliances and then check to make sure the air conditioner works with the remote controller in the location where it will be installed. If it works, continue with installation.

If the air conditioner is to be switched from the main sensor to a remote control sensor, pay attention to the following when installing.

•Locate where no warm or cold drafts will affect it.

•Locate in a place free from direct sunlight.

•Locate where it will not be affected by any other heat/cold source.

If a group of units are to be controlled by 2 remote controllers;

※Main/sub remote controllers will work regardless of which indoor unit they are installed to.

		Cross-wiring Remotes for Group
		Control (Field Supply)
Wireless Remote			Wired Remote		Use wiring of AWG#20 –	CZ-RWSU2U
Controller			Controller		AWG#14 for fi eld supply.	DIP Switch 3
	※ (Main)				Make the total wire length
				※ (Sub)	when cross-wiring a group
					no more than 650 ft.

1st Indoor	2nd Indoor	3rd Indoor	4th Indoor
Unit	Unit	Unit	Unit

Accessories

Customer Explanation

Give the Operating Instructions and this manual to the customer after finishing the installation. Use the Operating Instructions to explain to the customer how to use and care for the unit.

Things to remember when wired and wireless remotes are

installed at the same time

Two remote controllers can be used to control the unit if the wireless remote controller is installed at the same time as the wired remote controller.

(Up to 2 remotes [a wireless remote controller and the wired remote controller] can be installed.) When using 2 remotes, one or more units can be operated by the remotes.

No.	Accessories	Quantity
1	Operation Panel	1
2	Display	1
3	Remote Controller	1
4	Remote Control Holder	1
5	Badge	1
6	Label	1

No.	Accessories	Quantity
7	Dry-cell Batteries	2
8	Operating Instructions	1
9	Truss Self-Tapping Screws	2
10	Pan Head Self-Tapping Screws	4
11	Plastic Clamp	3
12	Spacer	2

<Note>	When wiring remote controllers, be sure to double-check the terminal numbers of the indoor unit before
	connecting them so there are no mistakes in the wiring. (Damage will occur if high voltage [e.g. supply
	voltage] is applied.)
<Note>	It is not possible to use more than one wireless remote controller with one indoor unit. (A receiver located
	separately can be used at the same time.)
<Note>	If both a wireless and a wired remote controller are to be installed and used at the same time, one of
	them must be set up as the sub remote controller.

If the wired remote controller is to be the sub remote, change the wired remote controller to the sub remote. If the wireless remote controller is to be the secondary, turn the #3 switch on the wireless receiver (operation panel) from OFF to ON.

When 1 indoor unit is operated by 2 remote controllers:

※Either of the remotes can be set to main/sub.

Wireless Remote Controller		Wired Remote Controller
		(Sold Separately)
Receiver	※ (Main)		※ (Sub)

Use wiring of AWG#20 – AWG#14 for fi eld supply.

Use a total wire length of no more than 1300 ft.

Remote Control Wiring (Field Supply)

Indoor Unit

1

Wiring

Wiring Diagram

Indoor Unit				Operation Panel				Display
		Connections
					Blue		Blue
	RC				Yellow		Yellow
			White		Pink		Pink
			Black		Red		Red
					Gray		Gray
					Black		Black
						Relay connector

Connections

1Connect W3 from the display with W2 from the operation panel using the relay connector.

Enclosed wire joints

1.Strip the wire to be connected of its sheathing for 35/64 in.

Ｗ１ 2. Twist the two wires together and crimp the enclosed wire joint.

3.If a special crimping tool is not used, or if the connection is made using solder, wrap the joint with insulating tape.

2

Installing the Display/Operation Panel

Ceiling Type Installing the Display

4-Way Casette Type

Installing the Display

1 Remove the ceiling panel.

Remove the air-intake grille and air fi lter, disconnect the wiring connector inside the electrical component box, and then remove the 4 mounting screws.

2Remove the corner cover behind the mark section. (3 screws)

3Remove the mark section inside the ceiling panel. (2 screws)

4Install the display in the location where the mark section was attached. (2 screws)

5Form the wire to match the panel ribs as shown in FIg. 1.

6Install the corner cover. (Restrain the wire with the corner cover.)

Wiring connector		Clamp
Electrical
component box
Ceiling panel
Corner cover	2 screws
	Display

3 screws	Wiring Pass the wiring through
	under the shaft.

Panel catch

Ceiling panel

Screws with washer

Air fi lter

Air-intake grille

Fig. 1

1Remove the side panel.

Open the air intake grille, remove the screw at one place and then remove the side panel by sliding it toward the front (arrow direction).

2Remove cover A and cover B.

Insert a standard screwdriver into the recess of cover A to remove cover A and cover B. (When removing the cover, take care not to scratch the panel.)

3Remove cover B from cover A.

4Install the display at cover A.

5After passing through the lead wires, install cover A and the display at the panel hole. (The protrusion part of cover A is fixed with the panel hole.)

6Bundle the lead wires along with the wiring of the louver motor.

7Install the side panel.

Panel

Display

Cover B

Side Panel

Cover A Air intake grille

Installing the Operation Panel

1Fasten the operation panel to the indoor unit intake port section (electrical component box opposite side) with the 2 accessory screws.

2Connect the operation panel 2 wires (WHT, BLK) to the remote control wire (WHT) in the electrical component box. (For details on wiring, see “Wiring”)

3Install the ceiling panel.

4Connect the display and the operation panel with 6P connector (white).

5Form the wires with vinyl clamps and fasten.

6Install the wiring connector from the ceiling panel to the connector in the electrical component box of the indoor unit. After installing the connector, use the clamp on the body of the indoor unit to secure the wiring.

7Install the air fi lter and air-intake grille.

Electrical		Electrical
component box		component box
Operation Panel	Operation Panel	Fig. 2

<Note 1> If the wiring to the operation panel is bundled together with other wiring, such as the incoming line from the power source, it can cause a malfunction, so avoid doing so.

<Note 2> If something causes the unit’s power source to make noise, it will be necessary to resolve the problem, such as by installing a noise fi lter.

For more information about wiring or test runs, refer to Wiring the Receiver and Test Run.

Fig.3

Installing the Operation Panel

1Fasten the operating controller to the ceiling panel of the air intake section with the 2 supplied screws.

2Draw the lead wires into the electrical component box and connect the operating controller 2 wires (WHT, BLK) to the remote control wires in the electrical component box.

3Connect the indicator section and the operating controller using the 6P connector in the electrical component box.

Operation Panel

Electrical component box

Fig.4

<Note 1> If the wiring to the operation panel is bundled together with other wiring, such as the incoming line from the power source, it can cause a malfunction, so avoid doing so.

<Note 2> If something causes the unit’s power source to make noise, it will be necessary to resolve the problem, such as by installing a noise fi lter.

For more information about wiring or test runs, refer to Wiring the Receiver and Test Run.

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