Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 134

2. Function of the switch (Indoor unit)
(1) Dipswitches
[SW1,3]
Switch Function
Room temperature
1
detection position
2
Clogged filter detection
3
Filter check reminder time setting
4 Outside air intake
5 Remote display option
SW1
6 Humidifier control
Fan speed setting for
7
Heating Thermo-OFF
Fan speed setting for
Heating Thermo-OFF
8
-
9 Self-recovery after power failure
10 Power source start-stop
1 Unit model selection
2 Louver
3 Vane
4 Vane swing function
5 -
SW3
Vane angle limit setting
for cooling operation
6
Initial vane position
7 -
8 Heating 4-deg up
Note 1. Settings in the shaded areas are factory settings.
Note 2. On a system with a G-50 connection, set Dip SW 1-9 and 1-10 to ON to control input/output using the PLC for general equipment. With these settings made, the power
start/stop function will be disabled. Set Dip SW 1-5 to ON to use the auto-recovery after power failure function.
PLFY PMFY
Model
-NAMU
-NBMU
-NLMU
3 ON OFF
SW1 6 ON OFF
7 OFF OFF
2 OFF OFF
SW3 3 ON
4 ON
Note 3. Setting timing for the DIP SW 1, 2, 3, and 4 is when the unit is stopped (remote controller OFF). It is not necessary to power reset.
Note 4. When both SW1-7 and 1-8 are set to ON, the fan stops while the unit is under the Heating Thermo-OFF conditions.
Function according to switch setting
OFF
Built-in sensor on
Indoor unit inlet
the remote controller
Not available
100h
Disabled
Fan output Thermo-ON signal
During heating operation Always on while in the heating mode
Very Low
According to the
SW1-7 setting
-
Disabled
Disabled
Heat pump
Not available
Not available
Not available
-
Downblow B,C
Enabled
-
Enabled
Refer to the table below for the factory setting of the switches whose factory settings are not indicated by the shaded cells.
PDFY PEFY
-NMU -NMLU -NMHU
ON OFF ON
ON ON ON
OFF ON ON
OFF OFF OFF
ON OFF OFF OFF
ON OFF OFF OFF
Switch setting timing
ON OFF
Available
2500h
Enabled
Low
Preset speed
-
While the unit is stopped
Valid
(Remote controller OFF)
Enabled
Cooling only
Available
Available
Available
-
Horizontal
Disabled
-
Disabled
PCFY
-NMHU-F -NGMU -NAMU
ON ON OFF
ON OFF OFF
OFF OFF OFF
OFF OFF OFF
OFF ON ON
OFF ON OFF
- 125 -
[ VII Control ]
Notes
ON
Set to ON (built-in sensor on the remote controller)
on All Fresh (PEFY-NMHU-E-F) model units
Always set to OFF on PKFY-NAMU model units
Applicable to All Fresh model units
(PEFY-NMHU-E-F) only
Always set to OFF on PKFY-NAMU model units
Always set to Downblow B or C on
PKFY-NAMU model units
PLFY-NLMU model only
Set to OFF on floor-standing (PFFY) type units
PKFY PFFY
-NEMU
-NGMU -NFMU
-NRMU
OFF OFF OFF
OFF OFF ON
OFF OFF OFF
OFF OFF OFF
ON ON OFF
ON ON OFF