Mitsubishi Electric Mr. Slim PLA-A12BA4, Руководство по обслуживанию

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29
10
SPECIAL FUNCTION
Operation pattern
OC-1 OC-2
IC-1
IC-2
3(2)
3(2)
2
RC
2
Main
unit Sub
unit
Refrigerant address
"01" Refrigerant address
"00"
Fig 1
[Back-up function only]··· Request code number "312"
[Rotation function] & [Back-up function]··· Request code number "313~318"
(Ex:When the request code number is "313", each unit operates alternately in daily cycle.)
Error occurred on main unit
Start operation
Run
Abnormal condition
Stop
Run
Main
unit
IC-1
Sub
unit
IC-2
Error occurred on main unit
Start operation
1~28 days 1~28 days
Run
Abnormal condition
Stop
Stop
Run
Run
Stop Run
Main
unit
IC-1
Sub
unit
IC-2
Main Sub
Main Sub Main Sub Main Sub
OC: Outdoor unit
IC: Indoor unit
RC: Wired remote controller
[2nd stage cut-in function]··· Request code number "322~324"
Start operation Sub unit start operation
Room temp. Set point
Sub unit stop
Room temp. < Set point -4
˚ C
(7.5
˚ F
)
Run
Stop Stop Run
Main
unit
IC-1
Sub
unit
IC-2
10-1. ROTATION FUNCTION (AND BACK-UP FUNCTION, 2ND STAGE CUT-IN FUNCTION)
This function is only available when using wired remote controller.
10-1-1. Operation
(1) Rotation function (and Back-up function)
Outline of functions
· Operating the unit of main and sub alternately according to the interval setting. (Rotation function)
w
The setting of main/sub unit depends on the refrigerant address. (The setting of dip switch on the outdoor unit)
Refrigerant address "00" Main unit
Refrigerant address "01" Sub unit
· If an error occurs to one unit, the other unit starts. (Back-up function)
System constraint
· This function is available only by the grouping control system (INDOOR UNIT : OUTDOOR UNIT=1:1) of 2 refrigerant
group. (Refer to Fig 1)
· It is necessary to connect remote controller crossover wiring to between units (IR wireless remote controller is unusable)
and to assign refrigerant address to each unit. (Dip switch on the outdoor unit…Refrigerant address 00/01)
(2) 2nd stage cut-in function
Outline of functions
· Quantity of operating units is controlled according to the room temperature and set point.
· When room temperature becomes more than set point, standby unit starts. (2 units running )
· When room temperature falls below set point -4
: (7.5°F), standby unit stops. (1 unit running)
System constraint
· This function is available only in rotation operation (or back-up) and cooling mode.