Temperature Adjustment; Fan Speed Adjustment; Time Setting - Mitsubishi Electric Fresh Master GUF-50RDH4 Operating Instructions Manual

Caution:
- Never expose your body directly to cool air for a long time.
Excessive exposure to cool air is bad for your health, and
should therefore be avoided.
For fan
Press the [selecting operation] button and bring up the "fan"
display.
- The fan operation functions to ventilate.
- The temperature of the room cannot be set by fan operation.
For heating
Press the [selecting operation] button to bring up the "heating"
display.
Regarding displays during heating operation "Under defrosting"
Displayed only during the defrosting operation.
"Under preparation for heating"
Displayed from the start of heating operation until the moment warm
air blows out.
GUF-50, 100RDH4)
Caution:
- When the Fresh Master is used together with burners.
- Never place a burner at a place where it is exposed to the
Doing so can result in imperfect combustion of the burner.
- The microcomputer functions in the following cases:
The intake fan is not moving at the set speed.
Intake fan stops to prevent any cool air from escaping dur-
ing the defrosting operation.

3.2.4. Temperature adjustment

GUF-50, 100RDH4 are OA processing unit and cannot adjust the
indoor temperature, even if the procedures given below are followed.
In the case of GUF-50, 100RD4, the indoor temperature can be
adjusted.
Set temperature display Room temperature display
To change temperature
Press the temperature button and set the temperature of your
choice
Pressing or once changes the setting by 1°C.
If the pressing is continued, the setting continues to change by 1°C.
- Indoor temperature can be set within the following range.
Cooling/dry 19 to 30°C
Heating 17 to 28°C
- It is impossible to set the temperature in fan operation.
* The range of temperature display is 8°C to 39°C. Outside this
temperature is lower or higher than the displayed temperature.
[temperature] button
In the case of GUF-50, 100RDH4,
set the temperature the same as
the indoor unit.

3.2.5. Fan speed adjustment

Fan speed
display
To change fan speed
Set the desired fan speed
Every time you press the [fan speed] button once, it switches from
the low-speed or high-speed settings alternatively.
Display of the Remote controller
Low
* Every time the fan speed adjustment button is once pressed, the
fan speed is changed.

3.2.6. Time setting

Current time display
[timer] button
- Set the current time after turning ON the power of the Fresh Mas-
ter or after restoration from a power failure.
- It can be set regardless of the operation of the Fresh Master.
- During the time operation, the time-setting button becomes void,
disabling time setting.
Press the [time selection] button and bring up the "current
time" display
- Every time it is pressed, the display changes.
"current" "start"
time time
Caution:
- When the current time is not yet set, the "current" time dis-
Set the current time by pressing the time setting
button
- The time cannot be set while the "[timer]" is displayed.
- While the "CLOCK" time is displayed, press the time setting
buttons and set the time.
[fan speed]
button
High
Time display
[time selection]
button
[time setting]
button
"end"
(no display)
time
or
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