Carrier MMY-MAP0724FT9UL Service Manual page 94

To find an indoor unit's position from its address
When checking unit numbers controlled as a group
(Execute it while the units are stopped.)
The indoor unit numbers in a group are indicated one after another. The fan and louvers of the indicated units
are activated.
1
Push and hold the
ALL
• appears on UNIT No. on the LCD display.
• The fans and louvers of all the indoor units in the group are activated.
2
Push the
UNIT LOUVER
Each time you push the button, the indoor unit numbers are indicated one after another.
• The first-indicated unit number is the address of the header unit.
• Only the fan and louvers of the indicated indoor unit are activated.
3
Push the button to finish the procedure.
All the indoor units in the group stop.
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.
SET
3
FILTER
Stop
RESET TEST
1
and buttons at the same time for more than 4 seconds.
button (left side of the button).
1
FILTER
RESET TEST
6
3
CODE No.
DATA SETTING
UNIT No.
R.C. No.
TEMP. ON / OFF
TIMER SET
TIME
SET CL
CODE No.
SET DATA SETTING
UNIT No.
R.C. No.
TEMP. ON / OFF
TIMER SET
TIME
SET CL
– 94 –
1
2
2
4
5