Mitsubishi Electronics PAC-YT34STA User Manual
CONTENTS Page
1. Safety Precautions···················································································································2
2. Names and functions of each part···························································································· 4
2-1. Appearance·················································································································································4
2-2. Display sections ·········································································································································· 5
2-3. Operation section ········································································································································6
2-4. Screen configuration ···································································································································7
3. Outline of schedule setting and operation················································································· 8
3-1. Outline of setting ·········································································································································8
3-2. Schedule operation ·····································································································································9
4. Operation methods················································································································· 10
4-1. Normal screen (COLLECT IVE/GROUP STATUS DISPLAY SCREEN)··················································· 10
4-1-1. Group selection operation ···············································································································10
4-1-2. ON/OFF operations ························································································································· 11
4-1-3. Stopping the schedule operation collectively for all groups ···························································· 11
4-1-4. Display ·············································································································································11
4-2. PROGRAM MONITOR screen ················································································································· 11
4-3. TIME/DAY SETTING screen ···················································································································· 12
4-4. PROGRAM SETTING screen··················································································································· 12
4-4-1. Setting the program ························································································································· 13
4-4-2. Setting the operation details ············································································································ 13
4-4-3. Deleting an operation setting ··········································································································· 14
4-4-4. Copying the details of a pattern setting ···························································································14
4-5. WEEKLY PROGRAM SETTING screen ···································································································14
4-5-1. Setting the operation pattern ···········································································································15
5. Troubleshooting······················································································································ 16
5-1. When "COLLECTIVE ON/OFF LAMP" and "ERROR CODE" are flickering ············································16
5-2. When only the "Error Code" is flickering···································································································16
6. External input and output functions························································································· 17
6-1. External input ············································································································································ 17
6-1-1. Emergency stop input mode············································································································17
6-1-2. ON/OFF level signal input mode ·····································································································17
6-1-3. ON/OFF, operation prohibit/permit pulse input mode······································································ 18
6-2. External output ·········································································································································· 18
7. Initial settings ························································································································· 19
7-1. When this controller is master system ······································································································19
7-1-1. Setting the group ·····························································································································21
7-1-2. Setting the interlocked units ············································································································24
7-1-3. Collective deletion···························································································································· 28
8. Setting the functions··············································································································· 28
8-1. Using with master system controller·········································································································28
8-2. Using the external input/output function ···································································································29
8-3. Disabling the local remote control's operations from this controller ·························································29
8-4. When local remote controller and system controller are prohibited ························································· 29
8-5. Changing set temperature display to "Fahrenheit display" ······································································29
9. System limits·························································································································· 30
10. Specifications························································································································· 31
10-1. Product functions ······································································································································31
10-2. Main specifications ···································································································································32
1. Safety Precautions
Always read these "Safety Precautions" before starting, and perform the installation work
correctly.
The dangers and degree that could occur if handling is mistaken are ranked with the following
symbols.
WARNING
CAUTION
After reading this manual store it in a safe place together with the installation manual for future
reference.
When changing users, always give this manual and the installation manual to the new user.
When fatalities or serious injuries could result if handling is mistaken.
When personal injury, or damage to house or assets could result if handling is mistaken.
2
WARNING
Unit must not be installed by user.
Always contact your dealer or a specialist to install the unit. Improper i nstallation by the user could result in
electric shocks or fires, etc.
Check the installation state.
Always check that the unit is installed on a solid place where it will not fall off.
Check the rated power supply.
An incorrect power supply could result in fires or unit trouble.
Stop immediately when error occurs.
Continuing operation in an erroneous state could result in trouble, electric shocks or fires, etc. If any
abnormality is sensed (burning smell, etc.), always stop the operation, turn the power switch OFF, and
contact your dealer.
Unit must not be moved and re-installed by user.
Improper installation by the user could result in electric shocks or fires, etc.
Always contact your dealer or a specialist when the unit must be moved.
Unit must not be disposed by user.
Contact your dealer when the unit must be disposed of.
Never modif y or repair the unit.
Improper modifications or repairs could result in electric shocks or fires, etc. Always consult your dealer for
repairs.
Stop operation if operation is inhibited with an error display or if a faul t occurs.
Continuing operation could result in fires or faults.
Contact your dealer.
CAUTION
Do not place hazardous objects near unit.
Do not install this unit where flammable gases coul d leak. If flammable gases leak and accumulate around
the unit, fires or explosions could result.
Do not wash this unit with water.
Washing the unit with water could result in electric shocks or faults.
Do not operate switches with wet hands.
Touching the controller with wet hands could result in electric shocks or faults.
Do not use for special applications.
This product is intended for use with the Mitsubishi Electric building air conditioning control system. Do not
use for the control of other air conditioners or for other applications.
Failure to observe this could result in malfunctioning.
Do not spray insecticide or flammable sprays onto unit.
Do not place flammable sprays, etc., near the unit or spray these directly onto the unit.
Doing so could result in fires or explosions.
Do not use in special environments.
Using this product in environments containing a high level of oil (including machine oil), vapours or sulphuric
gases, etc., could result in a drop in performance or damage of parts.
Do not press switches with pointed objects.
Pressing with pointed objects could result in electric shocks or faults.
Observe the working temperature range.
Always observe the working temperature range. Serious faults could result if the unit is used outside the
working temperature range.
Refer to the specifications in the instruction manual for the working temperature range.
If not indicated in the instruction manual, the range is 0ºC to 40ºC (32ºC to 104ºF).
Do not pull or twist the transmission cables
Doing so could result in fires or faults.
Do not disassemble this unit.
Touching the internal PCBs, etc., is hazardous, and could result in fires or faults.
Do not wipe this unit with benzene, thinner or chemical rags.
Using these matters could result in discoloration or faults. If the unit is heavily dirtied, wipe off with a cloth
wetted in diluted neutral detergent, and then wipe again with a dry cloth.
GB
3
2. Names and functions of each part
2-1. Appearance
· This controller has two operation modes. One is the [COLLECTIVE STATUS DISPLAY Screen] for
making operations and settings for all air conditioners, and the [GROUP STATUS DISPLAY
Screen] for making operations and settings for air conditioners in each group. Refer to section 4.
Operation methods (page 10) for details.
1
2
3
MONITOR/SET
SCHEDULE TIMER
PAC-YT34STA
GROUP DAY DAY PATTERN
CLOCK
TIMER
ON/OFF
PROHIBIT
MODEON/OFFOPERATIONPATTERN
TEMP. CLEAR
4
1. COLLECTIVE/GROUP DISPLAY
Indicates which mode is selected:
COLLECTIVE: [COLLECTIVE STATUS DISPLAY Screen]
GROUP: [GROUP STATUS DISPLAY Screen]
2. COLLECTIVE ON/OFF LAMP
ON: One or more group is running
(Also ON when a sequential unit is running)
OFF: All groups are stopped
Flicker: Registered air conditioner is malfunctioning
3. COLLECTIVE ON/OFF SWITCH
COLLECTIVE STATUS DISPLAY SCREEN/GROUP STATUS DISPLAY SCREEN
* If pressed when all groups are stopped, all groups will start running.
* If pressed when one or more groups are running, all groups will stop.
* If pressed when a registered air conditioner is malfunctioning, all groups will stop.
4. CAUTION
Remote control operations are not possible if "H0" or "H1" is displayed while the power is ON. (Approx. five
minutes.)
4
2-2. Display sections
1
2
3
5
6
4
11
7 8
10
9
1. SCHEDULE PATTERN No.
The selected group's weekly schedule pattern No. is displayed.
The selected schedule pattern No. is displayed.
2. MONITOR/PROGRAM/WEEKLY PROGRAM DISPLAY
Monitor display: [PROGRAM MONITOR screen]
Program display: [PROGRAM SETTING screen]
Weekly program display: [WEEKLY PROGRAM SETTING screen]
3. GROUP NUMBER DISPLAY
The group number selected on the [Group Setting/WEEKLY PROGRAM SETTING Screen] is displayed.
4. OPERATION STATUS DISPLAY
The displayed group's operation status is displayed.
5. CURRENT DAY DISPLAY
The current day is displayed.
6. CONTROL STATUS DISPLAY
The currently controlled state is displayed.
7. CURRENT TIME DISPLAY
The current time is displayed.
8. ERROR CODE DISPLAY
If an error is occurring, the need for inspection is indicated and the error code (4-digit) is displayed.
9. OPERATION DETAILS DISPLAY
The details of schedule operation are displayed.
Operation details: ON/OFF, operation mode (cooling/heating), set temperature, operation prohibit (ON/OFF,
operation changeover, room temperature adjustment)/enable
10.
Display
This appears when the power is ON.
11. SCHEDULE OPERATION NO.
The selected schedule's operation No. is displayed.
GB
5
2-3. Operation section
1
MONITOR/SET
2
5 6
GROUP DAY DAY PATTERN
MODEON/OFFOPERATIONPATTERN
TIMER
ON/OFF
PROHIBIT
7
9
SCHEDULE TIMER
PAC-YT34STA
CLOCK TEMP. CLEAR
3
10
4
8
1. GROUP SELECT SWITCH
Press this to call the required group screen when making various settings.
2. MONITOR/SET SWITCH
Use this switch to change between the [NORMAL SCREEN], [PROGRAM MONITOR SCREEN], [PROGRAM
SETTING SCREEN] and [WEEKLY PROGRAM SETTING SCREEN].
3. CLOCK SWITCH
Use this switch to set the current time and program time.
4. TEMP. SWITCH
Use this switch to set the schedule operation.
* ON/OFF: Select ON, OFF or no setting.
* Use this to start or stop the group independently or collectively.
* Operation changeover: Select cooling, heating or no setting.
* Set Temperature: Select set temperature or no setting.
* Prohibit: Select operation prohibit, enable or no setting.
5. DAY SWITCH
Use this switch to change the day for the [TIME/DAY SETTING] and [WEEKLY PROGRAM SETTING].
6. DAY PATTERN SWITCH
Use this switch to display the day pattern for [W EEKLY PROGRAM SETTING].
7. TIMER ON/OFF SWITCH
Use this switch to stop the schedule function for all groups currently being controlled.
8. CLEAR SWITCH
Use this switch to clear the program settings.
9. PATTERN SWITCH
Use this switch to set the schedule pattern No.
10.OPERATION SWITCH
Use this switch to set the schedule operation No.
6
2-4. Screen configuration
(1) POWER ON screen
No time setting
When this controller is slave
When time is set
When this
controller is
master
(2) GROUP SETTING SCREEN (page 19)
No time setting
(3) TIME/DAY SETTING SCREEN
(page 12)
(B)
(A)
(4) NORMAL SCREEN (page 10)
(D)
(5) PROGRAM MONITOR SCREEN (page 11)
When time is set
(C)
(D)
GB
(6) PROGRAM SETTING SCREEN
(page 12)
(D)
(7) WEEKLY PROGRAM
SETTING SCREEN (page 14)
(D)
Explanation of screens
1. POWER ON SCREEN
"H0" flickers if there is no group information. "H1" flickers if there is group information.
2. GROUP SETTING SCREEN
When this controller is the master, the group is set and changed.
3. TIME/DAY SETTING SCREEN
The current time and day are set.
4. NORMAL SCREEN
After setting the schedule, schedule operation is carried out with this screen.
In addition to schedule operation, the units can be started and stopped collectively or in groups.
5. PROGRAM MONITOR SCREEN
The set program contents are monitored.
6. PROGRAM SETTING SCREEN
The details of the schedule operation are set and changed.
7. WEEKLY PROGRAM SETTING SCREEN
The pattern set on the PROGRAM SETTING SCREEN is set and changed in day-units for each group.
Explanation of transition operations
A: Press time
B: Press
ON/OFF
C: Press TEMP.
D: Press
MONITOR/SET
and switches
.
CLEAR
and
switch
switches
7
3. Outline of schedule setting and operation
3-1. Outline of setting
The schedule is set with this controller using the following procedures.
1. Setting of current time and day
2. Setting of program
Set the schedule pattern. (Up to nine types of operations patterns with 16 operations in each
pattern can be set.)
[Setting example]
Pattern Operation Set time
1 8:15 ON Cool 29°C
2 10:00 OFF - - ON/OFF
3 10:15 ON - 27°C Enable
1
2
: : : : : :: :
9
4 12:00 OFF - - ON/OFF
5 13:00 ON - 25°C
6 17:00 OFF - - Enable
: : : : : :
16 21:00 OFF - - ON/OFF
1 9:00 ON - 27°C
: : : : : :
16 22:00 OFF - - ON/OFF
1 8:30 ON Heat 22°C
: : : : : :
16 21:30 OFF - - ON/OFF
ON/OFF Mode
3. Setting of weekly program
Set the schedule pattern set in step 2 in day-units for each group.
[Setting example]
Day
Group
Sun. Mon. Tue. Wed. Thu. Fri. Sat.
1 Pattern 1 Pattern 2 Pattern 2 Pattern 2 Pattern 2 Pattern 2 Pattern 1
No setting
2
:
50 Pattern 9 Pattern 7 Pattern 7 Pattern 8 Pattern 8 No setting Pattern 9
Pattern 3 Pattern 3 Pattern 4 Pattern 4 Pattern 5 Pattern 6
Set details
Set
temp.
Operation
prohibit
Room temp.
adjustment
Room temp.
adjustment
Room temp.
adjustment
Room temp.
adjustment
Set the time to start schedule
operation, and the details of the
operation.
With operation 1, cooling with the air
conditioner is started at 08:15,
operation is continued at 29°C, and
adjustment of the room temperature
with the local remote controller is
prohibited.
Pattern 1 is used for the
schedule operation on
Sunday in group 1.
Schedule operation is not
carried out on Sunday in
group 2.
8
t
3-2. Schedule operation
This controller carries out schedule operation at each set time.
[Operation example] The schedule operation for pattern 1 given as an example in step 2. Setting of
program on the previous page is explained in this section.
8:15 - Start cooling operation at 29°C. Prohibit adjustment of the room temperature using the
local remote controller.
10:00 - Stop the air conditioner. Cancel the local remote controller room temperature
adjustment operation prohibit setting, and then prohibit ON/OFF operations.
10:15 - Resume operation at 27°C. Prohibit operation of the local remote controller.
12:00 - Stop the air conditioner. Prohibit ON/OFF operations using the local remote controller.
13:00 - Start cooling operation at 25°C. Prohibit adjustment of the room temperature using the
local remote controller.
17:00 - Stop the air conditioner. Cancel the local remote controller room temperature
adjustment operation prohibit setting.
•
•
•
21:00 - Stop the air conditioner. Prohibit ON/OFF operations using the local remote controller.
(The details set for the final operation will be held until schedule operation starts on the
next day.)
Local remote
controller prohibit
state
Air conditioner
operation state
Prohibi
All enable
ON
OFF
Room
temperature
adjustment
29°C, cool
8:15 10:00 10:15 12:00 13:00 15:00 15:15 17:00 21:00 24:00
ON/OFF
27°C, cool 25°C, cool
ON/OFF
Room
temperature
adjustment
ON/OFF
NOTE
1. Even if a schedule operation is being executed from this controller, the air conditioner can be operated using
the local remote controller.
2. Operations when "operation prohibit" is set
If "operation prohibit" is set from another system controller, the schedule operation of the set prohibit item
will not be executed.
The prohibit items set from the other system controllers are ON/OFF (
MODE
) and room temperature adjustment (
(
3. Operation when "operation mode changeover limit (season changing)" is set
If "operation mode changeover limit (season changing)" is set from another system controller,
"cooling/heating" operations following the schedule will not be executed.
When "cooling limit" is set, cooling operation following the schedule will not be executed.
When "heating limit" is set, heating operation following the schedule will not be executed.
4. Operation during power failure for this controller
The operations set in the schedule will not be executed during a power failure. When the power is recovered,
operation will resume with the schedule active after the restoration time. Note that if the schedule operation
contains "operation prohibit", the current state set in the schedule will be restored.
TEMP.
).
ON/OFF
), operation mode changeover
GB
9
s
4. Operation methods
4-1. Normal screen
(COLLECTIVE/GROUP STATUS DISPLAY SCREEN)
• Display Schedule pattern for each group (Only on the Group Status Display screen).
• Operation The air conditioner can be turned ON or OFF collectively or in group units.
[COLLECTIVE DISPLAY SCREEN]
[GROUP STATUS DISPLAY SCREEN]
* Current time/day
* Air conditioner ON/OFF state
* Limits and prohibit states set from other system controllers
* Control state
The schedule function can be stopped for all groups collectively.
Control status
Current day
(lit)
All days are lit (current day i s flickered.)
Schedule pattern No.
Current time
ON/OFF status
Collective status
Control statu
Operation prohibit state
Operation mode changeover
limit state
Operation prohibit state
Operation mode changeov er
Current time
ON/OFF status
Group number
limit state
4-1-1. Group selection operation
(1) Press the GROUP and switches to select the group to be operated.
The group No. displayed at the group No. display section will change as shown below each time
the GROUP
Collective
The group No. will change in reverse each time the GROUP
When the GROUP
Status Display screen" will open regardless of the selected group No.
When "Collective" is selected, the "Collective Display screen" will open.
When "Group No." is selected, the screen for the selected group will open.
When the Group Status Display screen is opened, the weekly schedule pattern for the selected
group will display. The current day will flicker.
If no operations are made on the Group Status Display screen for ten minutes, the display will
switch to the Collective Status Display screen.
10
switch is pressed.
1
23 50
switch is pressed.
and switches are pressed simultaneously, the "Collective
4-1-2. ON/OFF operations
(1) Select the group of collection state to be operated with the step "Group selection operation"
above.
ON/OFF
(2) Press the
switch.
will appear at the ON/OFF status display when the controller is running. Nothing will
appear when the controller is stopped.
4-1-3. Stopping the schedule operation collectively for all
groups
(1) Hold down the
stopped, and the schedule operation will stop.
When an emergency stop is input,
TIMER ON/OFF
The
TIMER ON/OFF
will appear at the control status display section when the schedule operation is
will not appear during schedule operation.
switch operation is invalid while
switch for three seconds.
will flicker.
is flickering.
4-1-4. Display
PROHIBIT
(1)
will appear when "operation prohibit" is set from another system controller. If ON/OFF
operation prohibit is set, the operation cannot be started or stopped from this controller.
(2) If "operation mode changeover limit (cooling limit) is set from another system controller, “
flicker.
“
” will flicker when "operation mode changeover limit (heating limit)" is set.
4-2. PROGRAM MONITOR screen
• The set program details are monitored.
Pattern No.
GB
” will
Operation time
Operation No.
Operation details
Monitoring the set program details
(1) Open the PROGRAM MONITOR screen.
Press the
MONITOR/SET
switch on the Normal screen. ("MONITOR" will appear at the upper
left when the screen is opened.)
(2) Set the pattern No.
The pattern No. displayed at the pattern No. display section will change as shown below each
time the
PATTERN
switch is pressed. (Patterns that are not set will not appear.)
1
23 9
(3) Set the operation No.
The operation No. will change in the order of set times each time the
pressed. (
Operation numbers that are not set will not appear.)
OPERATION
switch is
(4) The details of the program having the set pattern and operation numbers will appear.
NOTE On this screen, each operation is sorted and displayed in order of the set time.
11
4-3. TIME/DAY SETTING screen
• The current time and day are set and changed on this screen.
• A time notification can be issued. (A time notification is issued to collectively set the current time
of system controllers and remote controllers having a clock function.)
The set day flickers.
The time notification setting lights up.
(1) Open the TIME/DAY SETTING screen.
Press the CLOCK
and switches simultaneously on the Normal screen.
The time flickers.
The time and day settings light up.
(2) Set the time.
1. The clock will advance by one minute when the CLOCK switch is pressed once. When the switch is
held down, the time will advance in one-minute increments, ten-minute increments and one-hour
increments.
2. The clock will return by one minute when the CLOCK
held down, the time will return in one-minute increments, ten-minute increments and one-hour increments.
switch is pressed once. When the switch is
(3) Set the day.
The day displayed in the day display section will flicker in the order of Sunday, Monday,
Tuesday ... Saturday, Sunday each time the DAY
switch is pressed.
(4) Set the time notification.
The display at the time notification setting and display section will change as shown below each
MODE
time the
No display
switch is pressed.
ON
* Set this to "ON" when a time notification is to be issued.
(5) The set clock, day and time notification can be cleared to the previous values by pressing the
CLEAR
(6) The set time, day and time notification settings will be input when the
switch.
ON/OFF
switch is
pressed. (The seconds unit will be set to 0 seconds.)
If the time notification is enabled, the time input with this operation will be notified.
NOTE 1. To cancel the setting, carry out step (1) to return to the Normal screen. The changes made to the time
2. The Program Setting screen and Weekly Program Setting screen cannot be opened if the time and
setting will be cancelled.
day are not set.
4-4. PROGRAM SETTING screen
• The details of the schedule operation are set and changed.
The pattern No. will flicker.
12
The operation details are displayed.
The operation time is displayed.
The operation No. will flicker.
4-4-1. Setting the program
(1) Open the PROGRAM SETTING screen.
Press the
flicker at the upper left when this screen is
opened.)
If no operations are made on this screen for
ten minutes, the display will switch to the
Normal screen.
(2) Set the pattern No. displayed at the pattern
No. display will change as shown on the right
each time the
(3) Set the operation No.
The operation No. displayed at the operation No. display will change as shown on the right
each time the
(4) Set the operation time.
1. The clock will advance by five minutes when the CLOCK switch is pressed once. When the switch is
held down, the time will advance in five-minute increments or sixty-minute increments.
2. The clock will return by five minutes when the CLOCK
held down, the time will return in five-minute increments or sixty-minute increments.
MONITOR/SET
PATTERN
OPERATION
switch on the PROGRAM MONITOR screen. ("PROGRAM" will
123 9
01 02
03 16
switch is pressed.
switch is pressed.
switch is pressed once. When the switch is
4-4-2. Setting the operation details
• Set the details to be operated at the time set in the previous section.
• Display only the details to be set.
(1) Set ON/OFF.
The state will change as shown on the right each time the
ON/OFF
Set to "No display" if this setting is not required.
switch is pressed.
(2) Set the operation mode.
The mode will change as shown on the right each time
MODE
the
Set to "No display" if this setting is not required.
switch is pressed.
(3) Set the temperature.
1. The temperature will change as shown below each time the TEMP.
temperature will change continuously in 1 increments when the switch is held down.
19 20 28
2. The temperature will change as shown below each time the TEMP.
temperature will change continuously in 1 increments when the switch is held down.
28 27 19
(4) Set operation prohibit.
The DIP switches must be set to prohibit operations following the schedule with this controller.
Refer to section 8. Setting the functions.
1. Set whether to prohibit or enable operations with the local remote controller.
The state will change as shown below each time the
PROH.
(flickers)No display (ON)
To not set : Leave the display at "No display".
To set prohibit : Set to “
To enable : Set to “
(This operation is invalid if the SW3 "operation prohibit" is set to "Invalid". (Always a no display state.)
When
is displayed, the prohibited "ON/OFF", "MODE" and "TEMP." items will display.)
“ (flicker) and set the prohibited item.
“ (lit) All items will be permitted when set to “ “.
PROHIBIT
PROH.
No display
No display
switch is pressed.
ON
[COOL] [HEAT]
switch is pressed. The
switch is pressed. The
PERMIT
OFF
GB
13
2. Set the item to be prohibited. (The item can be set by simultaneously pressing the switch for the item to be
set while "
To prohibit ON/OFF : Press the
To prohibit operation mode changeover : Press the
To prohibit room temperature adjustment : Press the
3. Input the details of the prohibit setting.
After step 2, light up the items to be prohibited, and then press the
PROHIBIT
The
(5) Input the operation details.
Press the
The operation details will be input and the operation No. will be incremented by one.
" flickers.)
display will change.
ADJUSTMENT display will change.
switch will change from flicker to ON, and the set details will be input.
OPERATION
switch.
ON/OFF
switch. The ON/OFF display will change.
MODE
switch. The OPERATION CHANGEOVER
TEMP.
switch. The ROOM TEMPERATURE
PROHIBIT
switch.
4-4-3. Deleting an operation setting
(1) Select the operation No. to be deleted.
Refer to section 4-4-1 (2) and (3) for the selection methods.
(2) Delete the settings.
Press the
The displayed operation setting details will be deleted. (The default state will be set.)
CLEAR
switch twice in succession.
4-4-4. Copying the details of a pattern setting
• All of the operation details of a set pattern can be copied into another pattern.
(Example: The details set for pattern 1 can be copied to pattern 2. In this case, the contents of
pattern 2 will be overwritten.)
(1) Select the pattern number to be copied, and display in the display section.
(2) Hold down the
pattern will be saved.
DAY PATTERN
switch for two or more seconds. The details set for the copy origin
(The operation time and details display sections will flicker.)
(3) Select the copy destination pattern No., and display in the display section.
DAY
(4) Hold down the
be copied to the copy destination.
switch for two or more seconds. The setting details saved in step (2) will
(The operation time and details display sections will light.)
To cancel copying of the pattern, hold down the
after step (1) or (3).)
DAY PATTERN
switch for two or more seconds
(The operation time and details display sections will turn ON. If the operation is cancelled after
step (3), the pattern No. will return to the copy origin No.)
4-5. WEEKLY PROGRAM SETTING screen
• Set the schedule pattern, set in section 4-3, for each day in each group.
• All of the set schedules are deleted.
14
The weekly pattern for the currently selected
group will flicker.
The currently selected group No. is lit and
displayed.
4-5-1. Setting the operation pattern
(1) Open the WEEKLY PROGRAM SETTING screen.
Press the
("WEEKLY SET" will flicker on the left of the screen when the screen changes.)
If no operations are made on this screen for ten minutes, the display will switch to the Normal
screen.
(2) Selecting the group No.
1. The group No. displayed at the group No. display will change in the following order each time the GROUP
Group numbers that are not set will not appear.)
2. The display will change in reverse when the GROUP
NOTE With this controller, the pattern can be set regardless of the unit models in the group.
(3) Selecting the set day
The pattern No. displayed at the weekly pattern setting No. display will change in the following
order each time the DAY
(The selected day pattern will flicker.)
Sunday Pattern No. Monday Pattern No. Saturday Pattern No.
(4) Selecting the day No.
Each flickering pattern No. will change in the following order each time the
is pressed.
"--" indicates that no pattern is set.
(Pattern numbers that are not set will not appear.)
(5) Deleting a weekly pattern
The details of the selected group's weekly program will be deleted (no pattern will be set) when
the
(6) Deleting all set schedule details
All details set for the program and weekly program can be deleted by holding down the
switch for three or more seconds.
MONITOR/SET
switch is pressed. (The display will change in a one-second cycle when the switch is held down.
switch on the PROGRAM SETTING screen.
123 50
switch is pressed.
Example: A heating operation pattern can be set for a group consisting only of cooling dedicated
When setting a weekly program, check the unit models in the group and the pattern setting
models.
details.
switch is pressed.
DAY PATTERN
switch
12 93
CLEAR
switch is pressed twice in succession.
MODE
GB
15
5. Troubleshooting
5-1. When "COLLECTIVE ON/OFF LAMP" and "ERROR
CODE" are flickering
• The air conditioner is stopped because a problem has occurred and operation cannot be
continued.
• Check the address of the unit where the error is occurring and the error code, and call your
nearest MITSUBISHI ELECTRIC supplier or dealer.
The attribute of the faulty unit flicker s.
The COLLECTIVE ON/OFF lam p flickers.
The error code will flicker.
The address No. of the faulty unit flickers.
The group No. in which the faulty unit is
1. If an error occurs while the [COLLECTIVE DISPLAY SCREEN] is displa yed, the details of the error for the
group with the first faulty will appear.
2. If an error occurs while the [GROUP STATUS DISPLAY SCREEN] is displayed, only the details of the error
for the currently selected group will appear.
• Confirming the details on an error for a different group
Using the
NOTE If an error occurs in a group other than that displayed on the [GROUP STATUS DISPLAY SCREEN],
GROUP
switch, select the group with the error and check the displayed error details.
the COLLECTIVE ON/OFF lamp will flicker.
registered flicker s.
5-2. When only the "Error Code" is flickering
• The air conditioner will continue running, but there may be a problem.
• Check the error code and call your nearest MITSUBISHI ELECTRIC supplier or dealer.
The maintenance code fl ickers.
The selected group No. is displayed.
1. If an error occurs while the [COLLECTIVE DISPLAY SCREEN] is displayed, the details of the error for the
group with the first problem will appear.
2. If an error occurs while the [GROUP STATUS DISPLAY SCREEN] is displayed, only the details of the error
for the currently selected group will appear.
16
6. External input and output functions
When using the external input and output cables provided with the remote controller. (5-wire cable
for input and 4-wire cable for output are provided.)
6-1. External input
6-1-1. Emergency stop input mode
• If an emergency stop signal is input in the external input interface, all air conditioners and
LOSSNAY units being controlled will stop.
This controller, slave system controller and local remote controller operations will be prohibited
until the emergency stop input is cancelled.
"TIMER OFF" will fli cker.
COLLECTIVE ON/OFF lamp will flicker.
GB
NOTE 1. The timer is invalid while this mode is input, and the schedule function will stop.
2. W hen this mode is cancelled, the timer will be validated, and schedule operation will resume.
The schedule following the current time will be started.
6-1-2. ON/OFF level signal input mode
• If the ON/OFF level signal is input in the external input interface, all air conditioners and
LOSSNAY units being controlled will be turned ON or OFF.
This controller, slave system controller and local remote controller operations will be prohibited
until this mode is cancelled.
“ ” will light up when ON is input .
” will turn OFF when OFF is input.
“
NOTE When this mode is set, ON/OFF operations following the schedule from this controller will not be
executed. (Other schedule settings will be executed.)
17
6-1-3. ON/OFF, operation prohibit/permit pulse input mode
• If the ON/OFF signal is input in the external input interface, all air conditioners and LOSSNAY
units being controlled will be turned ON or OFF.
• If the prohibit/permit signal is input in the external input interface, the slave system controller and
local remote controller operations will be prohibited or permitted.
“ ” will flicker when prohibit is i nput.
” will turn OFF when permit is input.
“
“
” will light up when ON is input.
” will turn OFF when OFF is input.
NOTE 1. The timer is valid even when this mode is input, and the schedule operation will be executed.
2. The prohibit/permit setting range follows the DIP SW3-5 setting state. Refer to section 8. “Setting the
functions” for details on the DIP switches.
“
6-2. External output
• The "ON" signal is output when more than one air conditioner is ON, and the "Error Occurrence"
signal is output when an error is occurring in more than one air conditioner.
18
7. Initial settings
• When connecting multiple system controllers, designate the system controller with many
functions as the "master", and set the system controllers with few functions as the "slaves". (Refer
to section 8. Setting the functions, "8-1 Using with master system controller" for details on the
"master/slave" settings.)
• If this system is controlled by the master system controller, carry out the initial settings with the
master system controller. In this case, this system will use the slave settings, and does not
require initial settings.
7-1. When this controller is master system
The initial settings include the following items:
• Group setting • Interlocked unit setting
Open the Initial Setting Mode Screen to make these settings.
(1) The following display will appear when the power to this controller is turned ON.
GB
"H0" on the group No. display section
and the COLLECTIVE ON/OFF lamp will flicker.
(2) When group setting information is already set
During system startup communication,
"H1" will flicker at the group No. display section.
When system startup communication is completed, the
NORMAL screen will open.
(3) When there is no group setting information or when the group setting information is changed
Press the TEMP.
when all groups are stopped with the NORMAL screen or GROUP DISPLAY screen shown in step (2).
NOTE W hen opening each screen from step (2), if there is an error in any group, the switch operation will be
invalid.
and
CLEAR
switches simultaneously while "H0" shown in step (1) is flickering or
19
This controller’s own address will flicker for two seconds.
Own address display screen
Initial Setting Mode Screen (Group Setting Screen)
Carry out steps 7-1-1 to 7-1-2 from the state shown above.
(4) Cancel the initial setting mode.
• After setting the group and the interlocked unit, hold down the TEMP.
simultaneously.
• Save the group setting information and interlocked unit setting information, etc., with this step, and then
carry out system startup communication. The Group Setting/Monitor Screen will open when completed.
(Refer to step (2).)
• If no operations are made on this screen for ten minutes, the display will automatically switch to the
Normal screen.
Note that if the group setting information has not been saved, the screen will not change automatically.
NOTE Do not turn the power OFF during system startup communication (while "H1" is flickering). (The group
setting information, etc., will not be saved in the memory if the power is turned OFF.)
CLEAR
and
switches
20
7-1-1. Setting the group
• Register the indoor unit, LOSSNAY, slave system controller and local remote controller for each
group. (Register the LOSSNAY to be interlocked with the indoor unit using the interlocked unit
setting.)
1. Select the group.
2. Select the unit.
3. Registering the group into the unit
4. Searching for registered units
5. Deleting a unit from a group
GB
Go to step 7-1(4) or 7-1-2.
1. Select the group.
(1) The group No. displayed in the group No. display will change each time the GROUP
switch is pressed.
The numbers will display in reverse when the
switch is pressed.
(2) After the group is selected, if a unit is registered in the group the minimum address No. unit will
appear. The attributes for that group will appear after two seconds.
Displayed details
Example) When groups 1 and 2 are not registered, and the address 005 indoor unit is registered in group 3
Operation No. display section ... Address No.
Pattern No. display section ... Address No. attributes
Initial Setting Mode
Select group 2
Press once.
Pattern No. display section:
"--" appears if nothing is set.
Operation No. display section:
"--" appears if nothing is set.
Select group 3
The 005 indoor unit is already regi stered.
Press
once.
21
2. Selecting the unit
(1) Select the unit to be registered in the group selected in step 1.
• The address No. displayed in the operation No. display section will change in the following
order each time the TIME
increments when the switch is held down.)
000 001
switch is pressed. (The numbers will change in 10-unit
002 250
• The numbers will appear in reverse order when the TIME switch is pressed.
Address No. setting range Indoor unit, LOSSNAY : 001 to 050
Local remote controller : 101 to 200
Slave system controller : 000, 201 to 250
(2) When registered unit is selected
Operation No. display section: The address No. is display ed.
• The following will display when the selected unit is already registered in a group controlled
with this controller.
Example) When unit 011 (registered in group 23) is called with group 3
Pattern No. display section: The registered group No. and registered unit attributes al ternately display.
3. Registering the unit into a group
(1) Register the unit selected in step 2 into a group.
• With the group No. and unit address selected in steps 1 and 2 displayed, press the
switch.
• The registration process will be completed with this step.
• The address No. and attributes will appear when correctly registered.
Registration complete screen
The address 005 indoor unit is registered in group 3.
(2) Registering a separate unit
• Carry out steps 2 and 3 to register a different unit in the same group.
• Carry out steps 2 and 3 to register a unit in another group.
NOTE A LOSSNAY unit cannot be registered in a group containing indoor units. When registration is
attempted, these will not be correctly registered and "88" will flicker on the screen. If the indoor unit,
LOSSNAY, and local remote control are already registered in another group, they cannot be registered
in a different group. However, the slave system controller can also be registered in a different group.
Pattern No. display section: The attribut es are displayed when correctly registered.
Operation No. display section:
The address No. is displayed.
ON/OFF
22
4. Searching for registered units
The address numbers of all units registered in a group can be checked.
(1) Using step 1, select the group to be searched.
(2) The address numbers of the registered units will appear in order of smallest number each time
PROHIBIT
the
switch is pressed.
PROHIBIT
Press
Press
Press
PROHIBIT
PROHIBIT
switch once.
switch once.
switch once.
GB
(For SC, if registered in another group, the pattern No. section attributes will flicker.)
(3) If a single unit is not registered, "---" will display.
5. Deleting a unit from a group
(1) Using steps 1 and 2, call out the address No. of the unit to be deleted.
CLEAR
• When the
deleted.
switch is pressed twice in this state, the unit registered in the group will be
CLEAR
Press
switch twice.
The attribute display will
disappear and "--"will be
displayed when correctly
completed.
23
t
7-1-2. Setting the interlocked units
• Set that units interlocked with each group can be run in linked.
• Set the interlocked unit after setting each group.
The interlocked units cannot be set until the units are registered in the group in which interlocked
units are to be set.
1. Calling the Interlocked Unit Setting Screen
2. Selecting the group No.
Select the group to be registered as the interlocked unit.
This also applies when searching or deleting.
3. Calling the registration unit
4. Selecting the interlocked unit's address No.
5. Registering the interlocked unit
6. Searching for interlocked units
7. Cancelling the interlock setting
Go to step 7-1(4) or 7-1-1.
NOTE • When registering the interlocked unit, if an indoor unit and interlocked unit in a certain group are to be
• If there are several indoor units to be linked with the interlocked unit, register all indoor units for
linked, always register the indoor unit with the smallest address No. in the group for interlocking. If the
unit is not registered for interlocking, the interlocked unit cannot be operated with the local remote
controller.
interlocking.
1. Calling the Interlocked Unit Setting Screen
(1) Open the Interlocked Unit Setting Screen from the Group Setting Screen.
Press the
MONITOR/SET
Initial Setting Mode Screen (Group Setting Screen)
Interlocked Unit Setting Screen
switch.
The screens will alternate between the Group Setting Screen and Interlocked Uni
Setting Screen each time the
Pattern No. display section: "--" or the attributes are displayed.
Operation time display section:
"---" or the unit address No. is displayed.
MONITOR/SET
switch is pressed.
Operation time display section:
"--" or the interlocked unit's address No. is displayed.
24
2. Selecting the group No.
(1) Call the Group No.
• Call the group No. in which the interlocked unit is to be registered.
Use the same operations as section 7-1-1. (1) Select the group.
• Select the group with the GROUP and switches.
(2) When the group is selected, the corresponding group No. will appear at the group No. display
section.
(3) After the group is selected, if there are registered units, the registered unit with the smallest
address No. will appear.
Displayed details
Set temperature display section ... Address No.
Group No. display section ... Address No. attributes
Example) When group 1 is not registered, and the address 003 indoor unit is registered in group 2.
Pattern No. display section: "--" is displayed.
Operation No. display section:
A unit is not registered in group 1, so "---" is displayed.
Interlocked Unit Setting Screen (group 1)
Press switch once.
GB
Interlocked Unit Setting Screen (group 2)
3. Calling the registration unit
Call the address No. of the indoor unit to be interlocked with a registered interlocked unit by
ON/OFF
pressing the
switch.
4. Selecting the interlocked unit's address No.
Set the address No. of the interlocked unit to be registered with the indoor unit selected in step 3.
• After selecting the indoor unit with step 3, press the TIME switch.
• The address No. of the interlocked unit will change in the following order each time the switch is
pressed. (The numbers will change in 10-unit increments when the switch is held down.)
01 02 50
• The address numbers will appear in reverse order when the
Pattern No. display section:
The attributes will disappear when the switches i s pressed.
Operation No. display section:
Set to the address No. of the interlocked unit to be
registered.
switch is pressed.
25
5. Registering the interlocked unit
(1) When the
registered as interlocked to the displayed indoor unit.
• The following type of display will appear when the unit is correctly registered.
If not correctly registered, "88" will flicker instead of the attribute.
ON/OFF
switch is pressed in the state shown in step 4, the interlocked unit will be
The address No. of the set indoor unit, the address No. of
the interlocked unit, and the attributes alternately display.
(2) Set the next interlocked unit
• Carr y out steps 3, 4 and 5 to register a different indoor unit in the same group to the interlocked unit.
• Carr y out steps 2, 3, 4 and 5 to register an indoor unit in a different group to the interlocked unit.
• Carr y out steps 2, 3, 4 and 5 to register a different indoor unit to a different interlocked unit.
6. Searching for interlocked units
Search to find which indoor unit the interlocked unit is linked to.
(1) Carry out step 4 to display the address No. of the interlocked unit for which the setting is to be
confirmed.
• Select the interlocked unit with the
The indoor unit address or "---" is displayed.
PROHIBIT
switch
The address No. of the interlock unit
Press the switch in the above
PROHIBIT
state.
to be searched for is displayed.
(2) When interlocked unit is set
The address No. and attribute of the interlocked indoor unit will appear.
Displays alternately.
The interlocked unit's address No. and attribute will appear.
• If the
PROHIBIT
can be confirmed.
switch is pressed again in this state, the other units linked to the interlocked unit
Example)
Indoor unit·················· 001 (group 1)
002 (group 2)
26
The following details are searched for.
PROHIBIT
Press switch once.
Indoor unit address 001 and attributes
PROHIBIT
Press switch once.
Indoor unit address 002 and attributes
Press switch once.
PROHIBIT
Interlocked unit address 030
and attributes
Interlocked unit address 030
and attributes
(3) When no unit is linked to the interlocked unit
Operation No. display section: "---" is displayed.
7. Canceling the interlock setting
Cancel the interlock setting of the indoor unit and interlocked unit.
(1) Call out the screen displayed after the interlocked unit is set, or the screen on which the
interlocked unit was searched.
Displays alternately.
(2) The interlock setting will be cancelled when the
CLEAR
switch is pressed twice in this state.
GB
Displays alternately.
The attribute display will change to "--" when completed normally.
27
7-1-3. Collective deletion
• All group setting information and interlocked unit setting information can be deleted.
This function is valid only when this controller is the master.
(1) Display the Group Setting Screen or Interlocked Unit Setting Screen.
(2) All set information will be deleted when the
seconds in this state.
◎
During collective deletion communication
process
MODE
switch is held down for three or more
The COLLECTIVE ON/OFF lamp flickers, and "88", "888" and
"88" flicker at the group No. display section, the operation No.
display section and operation time display section respectively.
◎
Initial state
"H0" flickers at the pattern No. display section
8. Setting the functions
8-1. Using with master system controller
• When connecting multiple system controllers, the system controller with many functions is
designated as the "master", and the system controller with few functions is designated as the
"slave". The "master/slave" functions of the system controller used together are as follows.
The functions have a priority in order of G- 50A (MJ-103MTR-A) > PAC-SF44 SRA > PAC-YT34STA > PAC-YT40ANRA > PAC-SC30GRA > LMAP02-E.
Function setting switch
Remote controller main unit
Setting details Switch setting
Master side SW3-1: OFF
Slave side SW3-1: ON
28
8-2. Using the external input/output function
Prepare an external input/output adaptor to use the external input/output function.
This function cannot be used when the "local remote controller operation prohibit" is set to prohibit.
Note that the external emergency stop input can be used.
(1) External input functions
Emergency stop/Normal, ON/OFF and local remote control prohibit/enable control can be applied to all units
being controlled by inputting the no-voltage contact signal from an external source.
Set the switches as shown below.
Carry out Emergency stop/Normal with level signal OFF ON
Carry out ON/OFF and prohibit/permit with pulse signal ON ON
(2) External output function
The "ON" signal is output when more than one air conditioner is running, and the "Error Occurrence" signal is
output when an error is occurring in more than one air conditioner.
* Please refer to the Installation Manual for details.
Setting details
Do not use external input OFF OFF
Carry out ON/OFF with level signal ON OFF
Switch setting
SW3-2 SW3-3
8-3. Disabling the local remote controller's operations from
this controller
Resetting of the filter sign with the manual remote control can be disabled.
Setting details Switch setting
Disable SW3-4: OFF
Enable SW3-4: ON
8-4. When local remote controller and system controller are
prohibited
Setting details Switch setting
Only local remote controller SW3-5: OFF
* This setting is valid only when SW 3-4 is ON.
Local remote controller and system controller SW3-5: ON
8-5. Changing set temperature display to "Fahrenheit
display"
Setting details Switch setting
Celsius display: ºC SW3-6: OFF
NOTE When the DIP switch 3 setting has been changed between ON and OFF, always turn the power OFF
once.
The function will not change just by changing the switch setting.
The function will change after turning the power OFF and ON.
Fahrenheit display: ºF SW3-6: ON
GB
29
9. System limits
Master system controller and slave system controller
This controller's control range
Master system controller control range
Unit
When the system contains only this controller.
This controller is set as the master system controller.
In this case, the group is set with this controller.
When this controller is controlled by another system
controller.
This controller is set as the slave system controller. In
this case, the group is not set with this controller.
NOTE The following types of group settings are not possible.
・ Control by the slave system controller of a
unit not within the control of the master
system controller.
Group
Master system
controller
Slave system
controller
Group
Group
Master system
controller 1
Group
・ Setting of a slave system controller
exceeding the control range of two or
more master system controllers.
Group Group
Slave system
controller
This controller's control range
Unit
Unit
・Control of a common group with two or
more master system controllers.
Group
Master system
controller 1
Master system
controller 2
Group
Group
Master system
controller 2
Group
30
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