Mitsubishi Electric City Multi PFAV-P500VMH-E, Service Handbook

Page: 77 / 242

[
VIII
Control ]
- 68 -
HWE07150 GB
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 either the OC or OS needs to be set for the setting to be effective on both units.
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 setting is effective for the unit on which the setting is made.
3) The noise level is reduced by controlling the compressor frequency and outdoor fan rotation speed
Setting of CN3D is required.(page 22)
Switch Function
Function according to switch setting Switch setting timing
Units that re-
quire switch
setting
Note.2
OFF ON OFF ON OC OS
SW3
1
Test run mode: en-
abled/disabled
SW3-2 disabled SW3-2 enabled Anytime after power on
A -
2
Test run mode: ON/
OFF
Stops all ICs
Sends a test-run
signal to all IC
After power on and when
SW3-1 is on.
A -
3
Defrost start temper-
ature (Note 3)
-10°C [14°F] -5°C [23°F] Anytime after power on
B B
4
Defrost end temper-
ature (Note 3)
10°C [50°F] 15°C [59°F]
Anytime after power on
(except during defrost op-
eration)
B B
5 - - - - - -
6 - - - - - -
7 - - - - - -
8 - - - - - -
9 Model setting
Outdoor standard
static pressure
Outdoor high static
pressure
Before being energized
C C
10 Model setting
High static pressure
60Pa
High static pressure
30Pa
Before being energized
C C
SW4
1 - - - - - -
2 - - - - - -
3
Refrigerant amount
adjustment
Normal operation
mode
Refrigerant amount
adjust mode
Anytime after being ener-
gized (except during ini-
tial startup mode.
Automatically cancelled
90 minutes after com-
pressor startup)
A -
4
Low-noise mode/
step demand switch-
ing (Note 3)
Low-noise mode Step demand mode Before being energized
C C
5 - - - - - -
6
Cumulative com-
pressor operation
time data deletion
Cumulative com-
pressor operation
time data is re-
tained.
Cumulative com-
pressor operation
time data is delet-
ed.
Anytime after power on
(when the unit is turned
on)
C C
7 - - - - - -
8 - - - - - -
9 - - - - - -
10 - - - - - -