Mitsubishi Electric GUG-01SL-E, Technical Manual

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25
CHAPTER
6
Other Functions /
1. Function setting
Set the SW7-1 as below.
DIP-SW
Setting check
PZ-61DR-E
Setting check Contents
SW No. Setting Function No. Setting data
SW7-1
(PCB of
Lossnay unit)
- -
71
0
(Factory setting)
DIP-SW priority
OFF
(Factory setting)
1
When the Dx-coil unit is NOT
connected to Lossnay
ON 2
When the Dx-coil unit is connected to
Lossnay
Please set SW7-1 ON.
This function can also be set from PZ-61DR-E. After setting it from PZ-61DR-E, please power off for more than two minutes.
And then power on again.
When SW7-1 is ON but the lead wire cable (accessory) is not connected properly, error code 0206 will be displayed. Please
check if the cable is connected properly.
No. 9 Setting whether or not the Dx-coil unit is connected
No. 10
Selection of the operation mode from “Temp. priority mode”
or “Fan speed priority mode”
This function is available for the Lossnay unit produced from June to August 2016, whose serial No. should be 1606****,
1607**** or 1608**** (**** means 4 digit numbers).
And its software version indicated in Lossnay PCB should be 05.
Set the SW7-2, or PZ-61DR-E as below.
DIP-SW
Setting check
PZ-61DR-E
Setting check Contents
SW No. Setting Function No. Setting data
SW7-2
(PCB of
Lossnay unit)
- -
72
0
(Factory setting)
DIP-SW priority
OFF
(Factory setting)
1 Temp. priority mode
ON 2 Fan speed priority mode
This function can also be set from PZ-61DR-E.
This function needs to be set when Lossnay unit’s fan speed is controlled by an external input (0-10VDC (CN26) or a volt-free
contact (CN17)).
[Temp. priority mode (Factory setting)]
Only when operation mode is in the Fan mode, the external fan speed control can be used. The Dx-coil unit will keep thermo-
ON as much as possible. In heating and cooling mode, the fan speed of Lossnay unit will not become fan speed 1 or 2.
[Fan speed priority mode]
External fan speed control is available. The ventilation airflow will be reduced to minimum.
During fan speed 1 or 2, Dx-coil unit is thermo-OFF.
Operation
mode
Fan speed order
from external input
Actual fan speed
Temp. priority mode Fan speed priority mode
Heating or
Cooling
FS4 FS4 FS4
FS3 FS3 FS3
FS2 FS3 FS2
FS1 FS3 FS1
Fan
FS4 FS4 FS4
FS3 FS3 FS3
FS2 FS2 FS2
FS1 FS1 FS1
Note:
When the indoor negative pressure setting (1 down) is selected, please use Fan speed priority mode.
Fan speed
Display
Exhaust fan
Supply fan
Dx-coil unit
1down
4 4 3 Can be Thermo ON
3 3 2 Forced Thermo OFF
2 2 1 Forced Thermo OFF
1 1 1 Forced Thermo OFF
For the Lossnay unit produced after September (when serial No. shows after 16090001), see the next instructions.