Special Function - Mitsubishi Electric Mr. Slim PLA Series Service Manual

10

SPECIAL FUNCTION

10-1. ROTATION FUNCTION (AND BACK-UP FUNCTION, 2ND STAGE CUT-IN FUNCTION)
10-1-1. Operation
(1) Rotation function (and Back-up function)
Outline of functions
System constraint
Operation pattern
1[Back-up function only]··· Request code number "312"
Start operation
Main
unit
Run
IC-1
Sub
unit Stop
IC-2
2[Rotation function] & [Back-up function]··· Request code number "313–318"
Start operation
Main
unit
Run
IC-1
Sub
unit
Stop
IC-2
1 – 28 days
(Ex:When the request code number is "313", each unit operates alternately in daily cycle.)
(2) 2nd stage cut-in function
Outline of functions
System constraint
[2nd stage cut-in function]··· Request code number "322–324"
Start operation
Main
unit
Run
IC-1
Sub
unit
Stop
IC-2
OCH581
Error occurred on main unit
Main Sub
Abnormal condition
Run
Error occurred on main unit
Main Sub Main Sub Main
Stop Run
Run Stop
1 – 28 days
Room temp. ] Set point
Room temp. < Set point 7.5°F [ 4:]
Sub unit start operation Sub unit stop
Run
Fig 1
OC: Outdoor unit
Sub
IC:
Abnormal condition
RC: Wired remote controller
Run
:]
Stop
Refrigerant address Refrigerant address
"00" "01"
OC-1 OC-2
Main
3(2)
unit
IC-2
IC-1
2
2
RC
Indoor unit
Sub
3(2)
unit