Mitsubishi Electric PFD-P250VM-E, Service Handbook, Page: 92 / 326

[5-1 Dipswitch Functions and Factory Settings ]
BS_05_C chapter 5 -
3
5
Cont
rol
1) Unless otherwise specified, leave the switch to OFF where indicated by "-," which may be set to OFF for a reason.
2) A: Only the switch on OC needs to be set for the setting to be effective.
B: The switches on both the OC and OS need to be set to the same setting for the setting to be effective.
C: The switches on both the OC and OS need to be set.
3) When set to the performance-priority mode, the low-noise mode will be terminated, and the units will operate in the normal
mode.
Cooling: Ambient temperature or the high pressure is high.
Refer to the following page(s). [2-4-7 Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit]
4) Operation noise is reduced by controlling the compressor frequencies and the rotation speed of the outdoor unit fans.
CN3D needs to be set. Refer to the following page(s). [2-4-7 Various Control Methods Using the Signal Input/Output Connec-
tor on Outdoor Unit]
5) Operation noise is reduced by limiting the frequency of the compressor and rotation speed of the outdoor unit fan.
6) External static pressure setting depends on the setting combination of SW6-5 and SW6-4 settings as shown in the table below.
7) Keep SW7-1, -2, and -4 set to OFF during normal operation. Leaving these switches to ON will disable the error-detection
function and can lead to equipment damage.
8) Shaded areas ( ) indicate factory settings.
SW6-5
OFF ON
SW6-4
OFF 0Pa 30Pa
ON 60Pa 80Pa
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