Mitsubishi Electric MRCH1 User manual

Operating
Manual
MRCH1 Remote Controller
Operating Manual
69-2427EFS-01

M28450A
Read and save these instructions.
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© 2010 Mitsubishi Electric & Electronics USA, Inc. Suwanee, GA 30024. Patents pending. All Rights Reserved.
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www.mitsubishipro.com
Battery Holder
Press down and pull to
remove batteries.
Batteries should be
replaced once a year
(see page 28).
Quick Reference
Card
Grasp and pull to
see basic operating
instructions at a glance.
CAUTION: EQUIPMENT DAMAGE HAZARD. Please refer to the equipment Operating
Manual for recommended operating temperatures.

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1 69-2427EFS—01
Contents
About your new remote controller
Programming at a glance.................. 2
Quick reference to controls .............. 3
Quick reference to display screen.... 4
Programming & Operation
Set the time and day......................... 5
Select the fan setting ........................ 6
Select the system setting.................. 7
Multi-zone configurations ................. 8
Drying mode ...................................... 9
Program schedules ......................... 10
Program schedule overrides........... 13
System changeover......................... 17
Portable Central Controller ............. 18
Outdoor air sensor .......................... 19
Additional features .......................... 20
Appendices
Advanced functions......................... 24
Battery replacement........................ 28
In case of difficulty .......................... 31
Regulatory information.................... 32
Limited warranty.............................. 33

Operating Manual
69-2427EFS—01 2
About your remote controller
Your new remote controller is pre-programmed and ready to go. All you have to do is
set the time and day. Then check the settings below and change if needed:
Set time and day (required for proper operation)1. .......................... See page 5
Select fan setting2. ................................................................................. See page 6
Select system setting3. .......................................................................... See page 7
Program schedules:4. Preset to energy-saving levels
while space is occupied (assumes arrival at 8 am
and departure at 10 pm)................................................................ See pages 10-11
ONE TOUCH TEMP CONTROL: You can override the program schedule at any time,
and manually adjust the temperature (see pages 13-16).

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3 69-2427EFS—01
Quick reference to controls
M28451A
Digital display (see page 4)
Battery holder (see page 28)
Temperature buttons
Press to adjust temperature
settings
Hold button
Press to override programmed
temperature control (see page 16)
Function buttons
Press to select the function displayed just above each button.
(Functions change depending on the task.)

Operating Manual
69-2427EFS—01 4
M32209
AM
Indoor Setting
Heat
More
Heat
Auto System
Fan
Set
Clock/Day
Schedule
ReplaceBattery
occupied1
Locked
Recovery
Quick reference to display screen
Current inside
temperature
Low battery warnings
(see page 28)
Temperature setting
(see pages 12–16)
Current time
(see page 5)
Optimal Start
(see page 23)
Current program period
occupied/unoccupied or
Wake/Leave/Return/Sleep
(see pages 10-11)
Set Clock/Day/
Schedule
(see pages 5 and 12)
System setting
Cool/Heat/Drying/Auto/Off (see page 7)
Fan Setting
Auto/On/Selectable
(see page 6)
More
(see pages 20–23)
Locked
(see page 23)
Note: Options may vary depending on your equipment.

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5 69-2427EFS—01
Set the time and day
Press1. SET CLOCK/DAY/SCHEDULE, then
press sor tto set clock.
Press2. SET DAY, then press sor tto
select the day of week.
Press3. DONE to save.
M32211
Set
Schedule
Set
Day
Done
Mo
DaySet
Note: If the SET CLOCK/DAY/SCHEDULE
option is not displayed, press DONE or
CANCEL.
Note: If the display flashes “Set
Clock,” the remote controller will
follow your settings for the weekday
“occupied1” (or “Wake”) time period
until you reset the time and day.
Press SET DAY, then select current day
Press SET CLOCK/DAY/SCHEDULE, then adjust time
M32218
More
Heat
Auto System
Fan
Set
Clock/Day
Schedule

Operating Manual
69-2427EFS—01 6
Select the fan setting
Press FAN to select Auto or selectable fan
speed.
In “Auto” fan mode the equipment deter-
mines the optimal fan speed to meet the
set temperature.
When system switch is “Off”, press FAN to
circulate air. The fan will run at the user’s
selected fan speed.
M32212
More
Heat
System
Fan
Set
Clock/Day
Schedule
Auto
M32213
More
Heat
Lo Hi
System
Fan
Set
Clock/Day
Schedule
Note: Selectable fan speed
options may vary depending on
your equipment.

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7 69-2427EFS—01
Select the system setting
M32214
More
Cool
Auto System
Fan
Set
Clock/Day
Schedule
M32300
More
Drying
Auto System
Fan
Set
Clock/Day
Schedule
M32215
More
Heat
Auto System
Fan
Set
Clock/Day
Schedule
M32301
More
Auto
Auto System
Fan
Set
Clock/Day
Schedule
• Cool: Remote controller controls only
in the cooling mode.
• Heat: Remote controller controls only
in the heating mode.
• Drying: Remote controller directs
indoor unit to remove moisture out
of the air. May result in temperatures
below your cool setting.
• Auto: Remote controller automatically
selects heating or cooling depending
on the indoor temperature.
• Off: Indoor unit is off.
Press SYSTEM to select:
Note: Options may vary depending on your equipment.

Operating Manual
69-2427EFS—01 8
Multi-zone configurations
In multi-zone configurations, each zone
is typically set to the same mode (Cool,
Heat, or Drying).
If zones are set to different modes, the first
indoor unit to call for heat or cool will take
priority. Other zones go into standby, and
“Wait” will be displayed on the screen.
M28946
AM
Indoor Setting
Heat
More
Heat
Auto System
Fan
Set
Clock/Day
Schedule
occupied1
Wait