Mitsubishi Heavy Industries FDC280KXZE1 Service Manual page 48

(iii) Ending condition
① When the starting conditions are lost.
(b) Compressor upper limit speed restriction for each operation capacity
Starting condition (either of ① or ② )
(i)
① When the external input assignment [P07] – [P10]: Multi-system energy save operation = Valid and 7-segment
[P16] (Multi-system energy save control II) = 1 or 2 or 3
Factory default: 0 (OFF)/1 (Setting 1), 2 (Setting 2), 3 (Setting 3)
② 7-segment [P16] = 1 or 2 or 3, if the external input function assignment [P07] – [P10] is not assigned this control.
(ii) Contents of control
① Compressor upper limit speed is the value obtained by multiplying with the upper limit speed restriction rate ac-
cording to the thermostat ON capacity.
② The upper limit restriction rate is divided to the following 3 steps according to each setting of [P16] as follows.
③ Following controls supersede this control.
・ 4-way valve safeguard
・ Oil return operation
・ Pump-down operation for replacement
(iii) Ending condition
① When the starting conditions are lost.
Upper limit Fk
(Normal)
Setting 1: 60%
Setting 2:40%
Setting 3:20%
0
Thermostat ON capacity
-
・ Defrost operation
・ Oil equalized operation
・ Start/Stop pump-down operation
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