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9.3.9.
Selecting the fan speed control method
This setting is used to select whether to operate according to the fan
speed requested by the indoor unit, or to operate in high or low speed.
Switch
OFF
ON
7
Following the selected fan speed from con-
trollers.*
8
Following the selected fan speed from con-
7
trollers.
8
SW2
High fan speed mode (notch constantly on
7
high)
8
7
Low fan speed mode (notch constantly on
8
low)
*
When factory shipped.
10. Test run
s s s s s Read the operation manual, too.
•
After installing, piping and wiring the Fresh Master and outdoor
units, make sure again that there is no refrigerant leakage, no slack
on the power and transmission cables, or no polarity mistakes.
•
Make sure using a 500 V DC megger that the resistance between
the power terminal bed and ground is more than 2.0 MΩ. If less
than 2.0 MΩ, do not operate the unit.
Warning:
Never measure the insulation resistance of the terminal block for
transmission cables.
Caution:
When operating the Fresh Master for a test run, be sure there is
no water leakage.
I When operating the Fresh Master for a test run
1 Turn ON the test run switches (1, 7, 8) of the function changeover
switch (SW1).
Switch
OFF
ON
Power is delivered to the fans for air supply
1
and exhaust, and they start operating.
The damper motor is powered on, and the
7
bypass ventilation is activated.
SW1
The solenoid valve unit with a pressure regu-
8
lator that supplies water to the solenoid valve
unit with a pressure regulator for the humidi-
fier is powered on, and water is supplied
(GUF-50·100RDH3 only).
Notes:
•
When the test run switches (1, 7, 8) are turned on, the Remote
controller inspection code "0900" is displayed.
•
The operating sound of the damper plate is generated when
the test run switch 7 is turned on. However, it is not abnormal.
2 Turn off the test run switches (1, 7, 8).
9.3.10. Room temperature control (GUF-50
Room temperature detected at main unit is decreased by 4°C when
heating.
Mode
9.3.11. Room temperature sensor position
I When operating the Fresh Master directly
Operational Procedure
1 Turn ON power at least 12 hours before operation
2 Press [TEST RUN] button twice → displaying "TEST RUN" on the
3 Press [Selecting operation] button → Check that wind is blowing
4 Press [Selecting operation] button to change over to cooling (or
5 Press [Fan speed adjustment] button → Check that the wind speed
6 → Check that the outdoor unit fan is operating
7 Press [ON/OFF] button to clear test run → Test run stops
Mode
3
4
100RD3 only)
Switch
OFF
ON
8
Effective*
SW3
8
Ineffective
(GUF-50
100RD3 only)
•
Switch
OFF
ON
9
Fresh Master's return air*
SW3
9
Built in the Remote controller.
using the Remote controller (SW3-1 is ON)
screen
out
heating) → Check that cool (or warm) air is blowing out
is changed
CENTRALLY CONTROLLED
DAILY
ON OFF
AUTO OFF
CLOCK
REMAINDER
CHECK
STAND BY
˚C
DEFROST
TEMP.
CLOCK→ON→OFF
TIMER SET
PAR-F27MEA
A Lighting in operation
B Displaying inspection code
C Displaying remaining test run time
D Displaying indoor unit's liquid pipe temperature
E Displaying test run
•
Mode
Mode
B
C
D
1Hr.
˚C
FILTER
CHECK MODE
E
TEST RUN
LIMIT TEMP.
NOT AVAILABLE
ON/OFF
7
A
FILTER
CHECK TEST
2
5
19
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