WT04474X01 GB CITY MULTI Control System and Mitsubishi Mr. SLIM Air Conditioners MA Remote Controller PAR-21MAA Instruction Book Contents TEMP. ON/OFF Please read these instructions carefully and take care to use this equipment correctly. Store these instructions safely for future reference. Be sure to pass these instructions and the corresponding installation instructions to anyone subsequently appointed to maintain this equipment.
1 Safety Precautions ● Precautions are classified as follows, according to the level of potential danger. WARNING Denotes a condition or operation which, if handled incorrectly, may lead to serious injury or death. CAUTION Denotes a condition or operation which, if handled incorrectly, may lead to bodily injury or property damage. WARNING Do not attempt to install this equipment yourself. Please have your dealer or a qualified engineer install this equipment.
CAUTION Keep hazardous materials away from this equipment. Do not install this equipment in locations where there is risk of combustible gas leakage. The presence of combustible gas may result in explosion or fire. Do not use sharp-tipped objects to press the buttons. Use of sharp tips may lead to electric shock or equipment failure. Do not use under extreme temperatures. Use only when ambient temperature is within the limits indicated in the instructions.
2 Parts Names “Sensor” indication Display Section Displayed when the remote controller sensor is used. Day-of-Week For purposes of this explanation, all parts of the display are shown as lit. During actual operation, only the relevant items will be lit. Shows the current day of the week. Time/Timer Display “Locked” indicator Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, shows the time remaining.
Operation Section ON/OFF button Set Temperature buttons Down Fan Speed button Up Timer Menu button (Monitor/Set button) Filter button ( button) Mode button (Return button) TEMP. ON/OFF Set Time buttons Check button (Clear button) Back Ahead Test Run button MENU BACK MONITOR/SET ON/OFF FILTER DAY CHECK TEST Airflow Up/Down button Timer On/Off button (Set Day button) PAR-21MAA OPERATION CLOCK CLEAR Louver button Operation button) ( To preceding operation number.
3 4 Screen Configuration ● Function Selection of remote controller: Set the functions and ranges available to the remote controller (timer functions, operating restrictions, etc.) ● Set Day/Time: Set the current day of the week or time.
Note: Your new entries at Steps 2 and 3 will be cancelled if you press the Mode (Return) button 2 before pressing the Filter button 4. 5 Using the Remote Controller (1) How to Start, Stop, Change the Mode, and Adjust the Temperature 5. Press the Mode (Return) button 2 to complete the setting procedure. This will return the display to the standard control screen, where 1 will now show the newly set day and time. 2 6 4 5 8 ˚C 3 3 ˚C TEMP.
■ With the unit running, press the Mode button 2 as many times as necessary. • Each press switches operation to the next mode, in the sequence shown below. The currently selected mode is shown at 2. → COOL → DRY → FAN → AUTO → HEAT → Ventilate *1 *1,*3,*4 *1 *1,*2 Note: *1 Availability of this mode depends on the type of unit connected. *2 Appears only on Slim units with installed ventilation functionality.
(2) Fan Speed, Airflow Direction, and Ventilation ■ Press the Fan Speed button 5 as many times as necessary while the system is running. • Each press changes the force. The currently selected speed is shown at 5. • The change sequence, and the available settings, are as follows. ■ With the unit running, press the Airflow Up/Down button 6 as necessary. • Each press changes the direction. The current direction is shown at 6.
On Mr. Slim models ● To run the ventilator together with the indoor unit: ■ Press the ON/OFF button 1. • The Vent indication appears on the screen (at 8). The ventilator will now automatically operate whenever the indoor unit is running. On CITY MULTI models ● To run the ventilator together with the indoor unit: ■ Press the ON/OFF button 1. • The Vent indication appears on the screen (at 8). The ventilator will now automatically operate whenever the indoor unit is running.
(3) Using the Timer This section explains how to set and use the timer. You can use Function Selection of remote controller to select which of three types of timer to use: 1 Weekly timer, 2 Simple timer, or 3 Auto Off timer. For information about how to set the Function Selection of remote controller, refer to section 6, item [4]–3 (3). 1 Using the Weekly Timer ■ The weekly timer can be used to set up to eight operations for each day of the week.
Shows the time setting 5 6 Shows the selected operation (ON or OFF) 8 * Does not appear if operation is not set. 9 Timer Settings SUN TIMER ON OFF SUN ON ˚C ˚C WEEKLY 7 WEEKLY Shows the temperature setting 1 * Does not appear if temperature is not set. 5. Press the appropriate Set Time button A as necessary to set the desired time (at 5).
2 Using the Simple Timer ■ You can set the simple timer in any of three ways. • Start time only: The air conditioner starts when the set time has elapsed. • Stop time only: The air conditioner stops when the set time has elapsed. • Start & stop times: The air conditioner starts and stops at the respective elapsed times. ■ The simple timer (start and stop) can be set only once within a 72-hour period. The time setting is made in hour increments. Note: *1.
6 5 TIMER Examples If ON and OFF times have both been set at the simple timer, operation and display are as indicated below. Timer Setting Hr ON AFTER OFF SIMPLE 1 Example 1: Start the timer, with ON time set sooner than OFF time ON Setting: 3 hours OFF Setting: 7 hours Hr 1. Be sure that the simple timer indicator is visible on the screen (at 1). 2. Press the Timer Menu button B, so that the “Monitor” appears on the screen (at 5).
3 Using the Auto Off Timer ■ This timer begins countdown when the air conditioner starts, and shuts the air conditioner off when the set time has elapsed. ■ Available settings run from 30 minutes to 4 hours, in 30-minute intervals. Note: *1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time. *2. The Auto Off timer will not operate when any of the following conditions is in effect.
● Hold down the Timer On/Off button 9 for 3 seconds, so that “Timer Off” appears (at 6) and the timer value (at 7) disappears. 7 ˚C 6 ˚C AUTO OFF ● Alternatively, turn off the air conditioner itself. The timer value (at 7) will disappear from the screen. 7 AUTO OFF ● Hold down the Timer On/Off button 9 for 3 seconds. The “Timer Off “ indication disappears (at 6), and the timer setting comes on the display (at 7).
(4) Locking the Remote Controller Buttons (Operation function limit controller) ■ If you wish, you can lock the remote controller buttons. You can use the Function Selection of remote controller to select which type of lock to use. (For information about selecting the lock type, see section 6, item [4]–2 (1)). Specifically, you can use either of the following two lock types. 1. While holding down the Filter button 4, press and hold down the ON/OFF button 1 for 2 seconds.
(5) Other Indications ˚C ˚C ˚C ˚C TEMP. TEMP. ON/OFF ● Displayed when operation is controlled by central controller, etc. Restricted operations are shown below. • ON/OFF (including timer operation) • Operation mode • Set temperature ON/OFF ■ When flashes continuously Displayed when another indoor unit connected to the outdoor unit is already operating in a different operation mode. Match with the operation mode of the other indoor unit.
On CITY MULTI Models On Mr. Slim Models ERROR CODE ERROR CODE ON/OFF ON lamp (Flashing) ON/OFF Error Code Indoor Unit’s Refrig- Error Code erant Address Indoor Unit No. ON lamp (Flashing) Indoor Unit No. Alternating Display If you have entered contact number to be called in the event of a problem, the screen displays this number. (You can set this up under Function Selection of remote controller. For information, refer to section 6.
6 Function Selection Function selection of remote controller The setting of the following remote controller functions can be changed using the remote controller function selection mode. Change the setting when needed. Item 2 Item 1 Item 3 (Setting content) 1. Change Language (“CHANGE LANGUAGE”) Language setting to display • Display in multiple languages is possible 2.
[Function selection flowchart] [1] Stop the air conditioner to start remote controller function selection mode. → [2] Select from item 1. → [3] Select from item 2. → [4] Make the setting. (Details are specified in item 3) → [5] Setting completed. → [6] Change the display to the normal one. (End) Normal display (Display when the air condition is not running) (Hold down the E button and press the D button for two seconds.
• To increase or decrease the temperature, press the [ TEMP. ( ) or ( )] button F. • To switch the upper limit setting and the lower limit setting, press the [ ] button H. The selected setting will flash and the temperature can be set.
(4) Contact number setting for error situation • To switch the setting, press the [ ON/OFF] button D. 1 CALL OFF : The set contact numbers are not displayed in case of error. 2 CALL **** *** **** : The set contact numbers are displayed in case of error. CALL_ : The contact number can be set when the display is as shown on the left. • Setting the contact numbers To set the contact numbers, follow the following procedures. Move the flashing cursor to set numbers. Press the [ TEMP.
7 Specifications Item Details Dimensions 120 (H) × 130 (W) × 19 (D) mm Weight 0.2 kg Power Source 10 to 13V DC (Supplied from indoor unit) Power Consumption 0.
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