MCQUAY Service Guide Book Handset Operating Guide
22
4.12 MC301
Operating Guide
1. ON/OFF Operation
• Press “ON/OFF” key, the unit will be ON
or OFF, and “ON” or “OFF” will display on
the LCD.
2. Temperature Setting
• Use “▲” or “▼” keyboard to increase or
decrease by 1 °C/°F, temperature range
is 16-30 °C (61-86°F).
• Press “FAN” for 5s to alter between °C
and °F.
3. Fan Speed Setting
• Press “FAN” key to adjust fan speed
follows by:
High→Auto→Low→Medium→High.
• When the mode is “Fan”, there is no
“Auto” speed. Single-speed fan motor has
no this function.
4. Mode Setting
• Press the “MODE” button, the current
mode is twinkling. Press again to change
mode as follows:
When the outdoor unit is OFF:
- Heat pump:
COOL→HEAT→FAN→DRY
- Cooling only:
COOL→FAN→DRY
When the outdoor unit is Cooling:
COOL→FAN→DRY
When the outdoor unit is Heating:
HEAT→FAN
5. Swing Setting
• Press “HEATER/SWING” key to active
swing function (Only for swing unit).
“SWING” will display on LCD.
6. Auxiliary Heater Setting
• Under “HEAT” or “FAN” mode, press
“HEATER/SWING” key to active heater.
(Only for heater unit). “HEATER” will
display on LCD.
7. Sleep Setting
• Press “SLEEP” key, “SLEEP” will display
on LCD, which means this function is
active.
8. Keyboard Lock
• Press “SLEEP” for 5s, the keyboard will
be changed between locked and unlocked.
• When it is locked, the lock icon will be
shown on the LCD. During the locked
stage, only the ON/OFF key is valid.
9. Real Time Clock Setting
• Press “CLK” to enter, firstly is “week
setting”; press “▲” or “▼” to change from
Sunday to Saturday. If there is no any
press for 5s on any key, it will exit to the
displaying status.
• Press “CLK” again is the “CLOCK SET”
icon will display and the current real time
clock is twinkling. At this time, press “▲”
to increase the hour, press
“▼” to increase minutes,if there is not
any press for 5s, it will exit without saving
the changed real time. If you want to
confirm the new setting, you need to
press “CLK” once again within 5s.
• During the setting process, only “▲”, “▼”
and “CLK” are valid. If other key is press,
it will exit to the normal status.