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SMMS-i
Installation Manual
SMMS-i
Installation Manual
–29–
10 TEST RUN
Before test run
Confirm that the valve of the refrigerate pipe of the outdoor
unit is OPEN.
• Before turning on the power, confirm that the
resistance between the terminal block of power
supply and the earth is more than 1MΩ using a 500V
megohmmeter.
Do not run the unit if it is less than 1MΩ.
CAUTION
• Turn on the power and turn on the case heater of the
compressor.
To save the compressor when it is activated, leave the
power on for more than 12 hours.
Methods of test run
◆When executing a test run using a
remote controller
Operate the system normally to check the running condition
using the wired remote controller. Follow the instructions in
the supplied owner’s manual when operating the unit.
If you use a wireless remote controller for operations, follow
the instructions in the installation manual supplied with the
indoor unit.
To execute a test run forcibly under the condition that the
thermostat automatically turns the unit off due to the indoor
temperature, follow the procedure below.
The forcible test run will automatically stop after 60 minutes
to prevent continuous forcible running and return to normal
running.
CAUTION
Do not use forcible running except for a test run as it
overloads the unit.
1 Push and hold the button for more than 4
seconds. TEST appears on the LCD display
and the unit enters the trial mode.
(TEST is indicated on the LCD display during
the test run.)
2 Push the button.
3 Push the button to switch the running
mode to COOL or HEAT.
NOTE
• Do not run the unit in any mode other than COOL or
HEAT.
• You cannot change the temperature setting during
the test run.
• Errors are detected as usual.
4 Push the button to stop running
after finishing the trial run.
The indication on the LCD display returns to
the status of procedure 1.
5 Push the button to exit the trial mode.
(TEST disappears on the LCD display and
the status changes to normal stopped
mode.)
1, 5
3
2, 4
ON / OFF
TEMP.
TIME
SET CL
FILTER
RESET
TEST
TIMER SET
TEST
TEST
ON / OFF
MODE
TEST
ON / OFF
TEST
◆When executing a test run using
the interface P.C. board on the
outdoor unit
You can execute a test run by operating switches on the
interface P.C. board of the header outdoor unit.
“Individual trial”, which tests each indoor unit separately, and
“corrective trial”, which tests all the indoor units connected,
are available.
<Individual test operation>
▼Starting operation
1 Set the running mode to “COOL” or “HEAT”
on the remote controller of the indoor unit to
be tested.
(The unit will run in the current mode unless
you set the mode otherwise.)
2 Set the rotary switches on the interface P.C.
board of the header outdoor unit: SW01 to
[16], SW02 and SW03 to the address of the
indoor unit to be tested.
3 Push and hold SW04 for more than 10
seconds.
NOTE
• The running mode follows the mode setting on the
remote controller of the target indoor unit.
• You cannot change the temperature setting during
the test run.
• Errors are detected as usual.
• The unit does not perform test run for 3 minutes after
turning the power on or stopping running.
▼Finishing operation
1 Set the rotary switches on the interface P.C.
board of the header unit back: SW01 to [1],
SW02 to [1] and SW03 to [1].
SW02 SW03 Indoor unit address
1 to 16 1 1 to 16 Set number of SW02
1 to 16 2 17 to 32 Set number of SW02 + 16
1 to 16 3 33 to 48 Set number of SW02 + 32
1 to 16 4 49 to 64 Set number of SW02 + 48
[A]
[U1]
[B]
[ ]
7-segment display
[B]
[ ]
[A]
[ ]
7-segment display
Address display of the
corresponding indoor unit
[B]
[ ]
[A]
[ ]
7-segment display
Address display of the
corresponding indoor unit
[FF] is displayed for 5
seconds.
[A]
[U1]
[B]
[ ]
7-segment display
57-EN 58-EN
+00EH99871699_01EN.book Page 29 Thursday, August 26, 2010 4:41 PM