Mitsubishi Electric PUHY-P168, Service Handbook

Page: 153 / 404

- 144 -
[
VII
Control ]
2. Function of the switch (Indoor unit)
(1) Dipswitches
[SW1,3]
Switch Function
Function according to switch setting
OFF ON
Switch setting timing
OFF ON
Notes
SW1
SW3
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
Room temperature
detection position
Clogged filter detection
Filter check reminder time setting
Outside air intake
Remote display option
Humidifier control
Self-recovery after power failure
Fan speed setting for
Heating Thermo-OFF
Power source start-stop
Unit model selection
Louver
Vane
Vane swing function
-
Vane angle limit setting
for cooling operation
Initial vane position
Heating 4-deg up
Indoor unit inlet
100h
Disabled
Fan output
2500h
Enabled
Thermo-ON signal
Built-in sensor on
the remote controller
Available
During heating operation
According to the
SW1-7 setting
Heat pump
Always on while in the heating mode
Fan speed setting for
Heating Thermo-OFF
Very Low Low
Preset speed
Cooling only
Enabled
Enabled
Disabled
Disabled Enabled
Valid
Not available Available
Not available Available
Not available
Not available
Available
- -
- -
-
-
- -
Downblow B,C Horizontal
While the unit is stopped
(Remote controller OFF)
Always set to OFF on PKFY-NAMU model units
Set to ON (built-in sensor on the remote controller)
on All Fresh (PEFY-NMHU-E-F) model units
Applicable to All Fresh model units
(PEFY-NMHU-E-F) only
Always set to OFF on PKFY-NAMU model units
PLFY-NLMU model only
Set to OFF on floor-standing (PFFY) type units
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. Refer to the table below for the factory setting of the switches whose factory settings are not indicated by the shaded cells.
Always set to Downblow B or C on
PKFY-NAMU model units
Disabled
Disabled
Model
PLFY PMFY PDFY PEFY PCFY PKFY PFFY
-NAMU
-NLMU
-NBMU -NMU -NMLU -NMHU -NMHU-F -NGMU -NAMU -NGMU -NFMU
-NEMU
-NRMU
SW1
3 ON OFF ON OFF ON ON ON OFF OFF OFF OFF
6 ON OFF ON ON ON ON OFF OFF OFF OFF ON
7 OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF
SW3
2 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF
3 ON ON OFF OFF OFF OFF ON ON ON ON OFF
4 ON ON OFF OFF OFF OFF ON OFF ON ON OFF
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.