Mitsubishi Electric City Multi PUHY-P500YSHM-A Service Handbook page 77

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