Installation Manual
61
Test Run
Vacuum Mode
Static Pressure Compensation Mode
Low Noise Operation
This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement
or IDU addition/replacement.
Master main PCB DIP switch ON ( No.11,14)
Vacuum mode setting
ODU V/V OPEN
Main EEV, SC EEV OPEN
IDU EEV OPEN
ODU power reset
Press the black button Main PCB (5 sec.)
Main PCB
SW01S
Main PCB
SW02B
Main PCB
SW01V
Vacuum mode setting method
Vacuum mode cancellation method
Master main PCB DIP switch OFF( No.11,14)
Power reset
Vacuum mode cancellation
It is a function to secure airflow of outdoor unit in case static pressure is applied to exhaust duct or other parts
of the outdoor unit.
■
Configuaration method for static pressure compensation dip switch(Reset the power after
configuring the dip switch)
It is a function for reduction of outdoor unit noise at sites sensitive to noise.
■
Configuration method for quiet operation dip switch(Reset the power after configuring the dip
switch)
Q R S T U V W
on
Q R S T U V W
on
Q R S T U V W
on
Q R S T U V W
on
10Pa < External Static
pressure ≤ 30Pa
30Pa < External Static
pressure ≤ 50Pa
Step 1
Step 2
Function
SW01B
SW02B
Remarks
Q R S T U V W
on
Q R S T U V W
on
MAX-200RPM
Quiet Operation
Function
SW01B
SW02B
Remarks
ENGLISH
ODU operation stops during vacuum mode. Compressor can't operate.
CAUTION
Summary of Contents for Multi V Space ARUV Series
Page 69: ......
