Toshiba A03-009, Service Manual

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58
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To check all the indoor unit addresses using an arbitrary wired remote controller.
(When communication wirings of 2 or more refrigerant lines are interconnected for central control)
(Execute it while the units are stopped.)
You can check indoor unit addresses and positions of the indoor units in a single refrigerant line.
When an outdoor unit is selected, the indoor unit numbers of the refrigerant line of the selected unit are indicated
one after another and the fan and louvers of the indicated indoor units are activated.
1
Push and hold the TIME and buttons at the same time for more than 4 seconds.
At first, the line 1 and CODE No. (Address Change) are indicated on the LCD display. (Select
an outdoor unit.)
2
Push the (left side of the button) and buttons repeatedly to select a system
address.
3
Push the button to confirm the system address selection.
• The address of an indoor unit connected to the selected refrigerant line is indicated on the LCD display and
its fan and louvers are activated.
4
Push the button (left side of the button). Each time you push the button, the indoor unit
numbers of the selected refrigerant line are indicated one after another.
• Only the fan and louvers of the indicated indoor unit are activated.
◆
To select another system address
5
Push the CL button to return to step
2
.
• After returning to step
2
, select another system address and check the indoor unit addresses of the line.
6
Push the button to finish the procedure.