Mitsubishi Heavy Industries FDC1000KXZWE1, Service Manual, Page: 33 / 183

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'14 • KX-SM-200
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35
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PUSH
2-step demand input
OFF OFF
ON
ON
PUSH PUSH PUSH
Remote control operation
Remote control display
Air-conditioner operation/stop
Remote
2-step demand control
Normal Normal
OFF OFF ON
ON
Demand control
demand demand demand
1st step 2nd step 1st step
Normal Normal
Demand input
(CnS2)
(CnS1,G1,G2)
Valid(Open)
Invalid(Shorted)
Valid(Open)
Invalid(Shorted)
Normal Normal
3) Ending condition
When the starting conditions have been lost.
(c) 2-step demand control
1) Starting condition
When the “2-step demand input” via the external input terminal of heat source unit (master unit) has become valid.
2) Contents of control
The demand control is performed at the demand rate which has been set with [SW4-5, SW4-6] and [P04] according
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to the demand input or the 2-step demand input.
Demand control
Following is assigned to one of P07 - P10.
Demand rate
setting
Demand input
(Function assignment: 1)
2-step demand input
(Function assignment: 9)
None (Normal) Shorted Shorted
1st step demand Open Shorted SW4-5, SW4-6
2nd step demand
Open Open P04
Invalid
2-step demand ratio can be changed with the 7-segment "P04" on the heat source unit control PCB.
P04 setting
Compressor
output (%)
080(Factory default) 80
060 60
040 40
000 0
OFF