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Special Functions; System Test; System Status - Mitsubishi Electric MIFH1 Installation Manual

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Special functions

Commercial Override (Setup Function 140): Allows an employee during an unoccupied period
to temporarily activate an occupied temperature. Each press of HOLD extends the occupied
temperature out 1 hour (or as installed).
Optimal Start (Setup Function 150): Allows the remote controller to "learn" how long the
equipment will take to reach programmed temperature settings, so the temperature is reached at
the scheduled time.
Scheduled Off (Setup Function 152): Allows the user to schedule a period where the split-zoning
system is completely off and resumes operation at the next scheduled period.
Power Off Timer (Setup Function 154): Allows user to schedule indoor unit completely off for one
instance:
Follow Schedule Option: indoor unit will resume operation at the next scheduled period.
Permanently Off Option: indoor unit will remain off indefinitely until the user changes the system
mode.
Installer test
Follow the procedure below to test for proper operation.
To begin, press and hold the s and t buttons
until the display changes (about 3 seconds).

System test

02
Wireless test
50
Cool/Heat test
70
Configuration Data 1
(remote controller)
80
Configuration Data 2
(remote controller)
90
Configuration Data 1
(wireless receiver)
95
Configuration Data 2
(wireless receiver)
System test number
M28488A
Done

System status

0
Off
1
Test radio signal (after a brief pause, screen displays 5-10 to show
signal strength; 5 or higher recommended)
0
Off
1
Cool
2
Heat
71
Software revision number (major revisions)
72
Software revision number (minor revisions)
73
Configuration identification code (major)
74
Configuration identification code (minor)
75
Production configuration date code (week)
76
Production configuration date code (year)
81
Software revision number (major revisions)
82
Software revision number (minor revisions)
83
Software revision number (build revisions)
91
Software revision number (major revisions)
92
Software revision number (minor revisions)
93
Software revision number (build revisions)
95
Software revision number (major revisions)
96
Software revision number (minor revisions)
97
Software revision number (build revisions)
System status
Next
Back
9
Press s or t to
check system status
Press NEXT to
advance to next test
Press DONE to
M32306
terminate system test
69-2426—01

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