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Mitsubishi Electric G-50A Instruction Book

Air-conditioner network system central controller.
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Mitsubishi Electric Air-conditioner Network System
Central Controller
Model: G-50A
Before using the controller, please read this Instruction Book carefully to ensure
correct operation. Store this Instruction Book in a location that is easy to find.
Contents
Safety ...................................................
1.
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2.
3.
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3-1
3-2
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4.
4-1
4-2
4-2-1
4-2-2
4-3
4-4
4-5
5.
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5-1
5-2
5-3
5-4
5-5
5-6
5-7
5-8
5-9
6.
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6-1
6-2
7.
7-1
7-2
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   Summary of Contents for Mitsubishi Electric G-50A

  • Page 1: Table Of Contents

    Mitsubishi Electric Air-conditioner Network System Central Controller Model: G-50A ON/OFF CENTRAL CONTROLLER G-50A Before using the controller, please read this Instruction Book carefully to ensure correct operation. Store this Instruction Book in a location that is easy to find. Instruction Book Contents Safety ……………………………………………...

  • Page 3: Safety

    . SAFETY Please take a moment to review these safety precautions. They are provided for your protection and to prevent damage to the controller. This safety information applies to all operators and service personnal. After you have read this manual, always observe the procedures described in the explanations and store it with the installation manual in a location that is easy to find.

  • Page 4: Product Feature

    . Product Features The central controller is capable of controlling up to 50 air conditioner units. It supports the following operating function. [ 1 ] User operating function (1) Operation 1. Virtually almost functions operated by local remote controller are supported.

  • Page 5

    [ 2 ] System configuration setup and maintenance function (1) Setup for system configuration 1. Registration can be made for the indoor units, local remote controllers and slave system controllers in the same group. And also registration can be made for the ventilation such as OA processing unit. 2.

  • Page 6: On/off

    . Functions Specifications Item Source power requirement Input voltage Temperature Environmental condition Humidity Dimensions Weight System condition Indoor unit or independent OA processing unit or LOSSNAY Number of units (indoor or independent OA processing unit or LOSSNAY) in one group Number of remote controllers in one group Number of control unit Number of system controllers in one group...

  • Page 7

    Item The specific functions of a local remote controller can be prohibited as a collective or per group. Prohibit local remote control The set schedule operations can be switched to ON/OFF (local remote controller Timer operation operation prohibition/permission) for each group. Operation Filter sign The filter sign reset operation after the air filters are cleaned can be performed as a...

  • Page 8

    G-50A : G-50A is set as the master system controller. * G-50A performs the group setting in this configuration. *3 OA processing unit (LOSSNAY) and the K transmission converter (PAC-SC25KAA) are not included in systems shipped to North America (USA & Canada).

  • Page 9

    NOTE : The following group setting cannot be performed. • Unit groups which are not under the management of the master controller and are managed by the slave system controller. Group • A common group is managed by more than two master controllers. Group •...

  • Page 10: Display Screen

    Celsius (˚C) Fahrenheit (˚F) (page 34). Display Continuously press (2 seconds or longer) Overall status lamp The lamp indicates the unit op- eration condition. …… During operation …… All group are stopping …… BLINKING NEXT Malfunction G-50A ENTER...

  • Page 11

    The collective operation switch can be per- Collective operation switch formed in the user setting mode for any screen. If this switch is pressed during ( Excluding menu screen ) the operation, a whole group stop is performed. 6 ADDRESS SETTING 7 FUNCTION SETTING 8 IP ADDRESS SETTING VER.

  • Page 12: User Operation

    (back screen) switch. SCREEN This screen displays ON/OFF and malfunction condition of unit. G-50A normally displays this screen. The unit operations can be performed by individual group or collective operation. These operation include the ON/OFF, operation mode, fan speed, temperature setting, air direction, ventilation setting, timer operation ON/OFF, local remote controller prohibition and filter sign reset are performed by group or collectively.

  • Page 13: Operation Condition Monitor

    4 - 1 Operation condition monitor • This function displays the ON/OFF/Malfunction status of specific units or group. • ON/OFF/Malfunction status is shown by the indication corresponding to the unit or group appearing in inverse, normal or blinking display. • The user may select display items by unit address, group number or group name. Refer to section "5-7 User setting (page 34)"...

  • Page 14: Operation Setting

    [High] ventilated state. Each time to push the switch, a mode is selected in a sequence that goes from COOL, DRY, FUN, AUTO, HEAT and beck to AUTO for air conditioner group. On the group composed of independent LOSSNAY ,...

  • Page 15

    No. Name of switches These switches are used when the cur- Current time rent time is set. setting switch The Air flow direction can be selected. The air flow direction can be selected Air direction setting switch to four directions and swing operation (auto vane).

  • Page 16

    (1) Local remote control operation prohibition setting. • G-50A can prohibit the operation of item such as connected local remote controller or slave system controller for each group. The prohibit items are ON/OFF operation, operation mode, temperature setting and filter sign reset operation.

  • Page 17

    (2) G-50A operation prohibition • The operation of this controller is prohibited when an operation prohibition setting for this controller is received from a system controller other than this controller or when an external input signal is used. (3) Using the function area...

  • Page 18: Collective Operation Setting

    4 - 2 - 2 Collective operation setting • A collective operation setting and a collective prohibit setting can be performed for all the group managed by this controller at one time. (1) Collective operation setting The collective setting is executed. The collective setting takes approximately 20 seconds.

  • Page 19

    (2) Collective prohibit setting The collective prohibit setting is excused. The collective prohibit setting takes approximately 20 seconds. Press the switch to set "PROH. (PROHIBIT)" in blinking display and press the ENTER switch on the collective operation setting initial screen. The collective prohibit setting initial screen is displayed.

  • Page 20

    NOTE: • The display of setting contents is erased when shift to another screen. • The following restrictions in the collective operation settings. 1. Temperature setting The range that can be set falls within 19˚C 2. Operation mode selection, fan speed selection, air direction, etc.,can be collectively set regardless of the functions of the unit.

  • Page 21: Timer Operation

    4-3 Timer operation • A weekly schedule setting can be specified for each group. • Possible to set on the timer the schedule to prohibit operation of the local remote controller in addition to ON/OFF schedule. • Always set to current time on the current time setting screen when the schedule setting is performed. Refer to section "4-5 Current time setting".

  • Page 22

    (1) Schedule pattern (P1 • Follow the procedures described below to set each daily schedule pattern for each group. • The setting temperature or set-back values setting are also performed in the schedule setting operation. To enter the setting temperature or set-back value setting select SET-BACK or SET TEMP. Accordance with section "5-7 user setting (page 34)"...

  • Page 23

    • Set-back operation Set-back operation is a method which reduces the air conditioner running cost by controlling the operation with specified time band for lowered load. In other words the unit operates at a few degrees higher for cooling and a few degrees lower for heating in the specified time band.

  • Page 24

    (4) Copying schedule content to other groups • The schedule pattern P1 to P3, weekly schedule pattern, set-back value or setting temperature of one group can be recorded and copied to memory or to another desired group. • Correction and modification can be easily performed after the copy operation is completed. Press the (CLOCK/PATTERN) switch to select P1 to P4 or ( - ).

  • Page 25: Malfunction

    DEL. The reset operation can be performed on any page. NOTE : When operation of the G-50A is prohibited, reset operation is invalid. The unit address where the malfunction was detected Error code switch shows the current display page +1.

  • Page 26: Current Time Setting

    4 - 5 Current time setting The current time, day, month and year are set on the current time setting screen. < Sifting to the current time setting screen > Press the switch to select "5 CURRENT TIME SETTING". 04-2002 MON 2002 SUN 04-2002 MON Press the...

  • Page 27: Initial Setting

    . Initial setting 5 - 1 Shifting to initial setting menu • Shift to the initial setting menu by continuously pressing screen.(Refer to section "3-2".) Shift to the user operation menu by continuously pressing (Refer to section "3-2".) • When group information is not saved, the following initial setting screen is displayed when power is turned on at this controller.

  • Page 28: Function Setting

    5 - 3 Function setting • The functions of this controller are set according to the function settings. • The functions selects are set to OFF when the controller is shipped from the factory. (1) Select "7.FUNCTION SETTING"(or (2) Switch the function by pressing the function No. you want to change, or the of the same number.

  • Page 29: Interlocked Operation Setting

    ( Independent ventilation group ) < Example for the group configuration > Air conditioner group • Supply the power from the power supply unit (PAC-SC50KUA) through the M-NET transmission line and DC line. • Perform the following procedures to set the group configuration because the interlocked operation setting will not be performed if the group configuration settings have not been performed.

  • Page 30

    MENU WED 15:29 NEXT Additions Group configuration date collective deletion • Display "G00" in the group configuration setting screen and press the delete the all group configuration data and all interlocked operation data. NOTE: • When this unit is set to the slave system controller by the function select , group registration can not be made.

  • Page 31: Interlocked Operation Setting

    5 - 5 Interlocked operation setting • Registration of interlocked operation of Ventilation unit (OA processing unit and LOSSNAY) with single or multiple indoor unit is performed. All indoor units to be interlocked with ventilation unit for operation should be registered for the interlocking with ventilation unit.

  • Page 32

    NEXT NOTE: When this unit is set to slave system controller by No.2 function select, interlocked operation settings can- not be adjusted. However monitoring of the contents of the interlocked operation settings is possible. Used the numeric keypad switch to set the address of the indoor unit that operates with displayed interlocked OA processing unit or LOSSNAY.

  • Page 33: Group Name Setting

    5 - 6 Group name setting ( 1 ) Setting method • Specify new group name. • Either alphabet, numeric characters, hyphens or spaces can be used for name setting. • Maximum of ten characters can be set. • When the group name is displayed on the operation monitor screen, the first three characters of the group name are displayed.

  • Page 34

    NEXT Group name cursor Group name cursor movement mark When the group name setting is completed, press the The group configuration setting screen is displayed. Repeat operation and perform the group name setting for each group. When all the group name settings are complete, press the The initial setting menu screen is displayed.

  • Page 35

    ( 2 ) Group name copy • A certain group name can be copied to another group. ( This method use the "M" (memory) and "MR" (memory read) functions.) • It is convenient to use a group name for other groups because a group name that was copied can also be cor- rected.

  • Page 36: User Setting

    5-7 User setting • To match the needs for the user this menu is to specify some of the indications and functions that appear on the user operating screen. NEXT TEMP. UNIT ˚C / ˚F Setup condition before delivery from the shop Item 1.

  • Page 37: Ip Address Setting

    5-8 IP address setting • This function allows setting of the IP address and mask address needed at LAN connection. MENU WED 15:29 6 ADDRESS SETTING 7 FUNCTION SETTING 8 IP ADDRESS SETTING BACK IP ADDRESS SETTING IP ADDRESS : 192.168.001.001 MASK ADDRESS : 255.255.255.000...

  • Page 38: Maintenance

    6. Maintenance 6-1 Refrigerant system monitor • This function allows monitoring of the address of the outdoor units, and BC controller connected to the refrig- erant system. It is useful for checking address settings, transmission line connection during installation. NEXT Press the switch to select "3 REFRIGERANT MONITOR"...

  • Page 39: Malfunction Log Monitor

    6-2 Malfunction log monitor • This function allows monitoring of a log of the last 64 malfunctions. • The contents of malfunction and time the malfunction occurred is displayed. The contents of malfunction is the address of the unit where it occurred, the error code and the address of the unit that detected the malfunction.

  • Page 40: External Input / Output

    7.External input/output function * External signal input requires the external I/O adapter (Model : PAC-YG10HA-E) sold separately. 7-1 External input function (1) The function of external input • Emergency stop/normal operation, ON/OFF, local remote control prohibit/permit can be controlled for all air conditioners being controlled with a non-voltage contact signal input from an external input source.

  • Page 41: External Output Function

    7 - 2 External output function (1)The function of external output •The "ON" signal is output when one or more air conditioner are in the ON operation. •The "Malfunction" signal is output when one or more air conditioner malfunctions. (2)Specification of external output interface Lead wire No.1...

  • Page 42: Appendix 1 : Initial Setting(adridged)

    Appendix 1 : Initial setting (abridged) Initial setting list Power on Displaying for a maximum of 7 minutes. INITIAL SETTING PLEASE WAIT There is no group information. MENU WED 15:29 1 ADDRESS SETTING 2 FUNCTION SELECT 3 IP ADDRESS SETTING 4 GROUP SETTING PLEASE SET INITIAL SETTING...

  • Page 43: Interlocked Setting

    Interlocked setting INTERLOCKED SETTING INTERLOCKED UNIT ADDRESS UNIT ADDRESS User setting USER SETTING OPERATION MONITOR GROUP NO. /NAME /UNIT ADDRESS SCHEDULE DATA SET- BACK/SET TEMP NONE FILTER SIGN NONE/INDICATE GROUP NO. DISPLAY NONE/INDICATE 2001-1-1/1-1-2001 ROOM TEMPERATURE NONE/INDICATE TEMP. UNIT ˚C / ˚F Refrigerant monitor R E F R I G E R A N T...

  • Page 44: Central Controller G-50a

    Shows the operation panel, screen, etc. for user operation. Overall status lamp …During operation …All group are stopping BLINKING…Malfunction ON/OFF CENTRAL CONTROLLER G-50A Initial setting menu Continously press * To initial setting Operation setting screen Reverse : ON Normal : OFF...

  • Page 45

    The unit address where the malfunction occurred Error code NOTE : When there is no malfunction taking place,[NO ERROR] lights up instead of [ERROR CODE]. When operation of the G-50A is prohibited,reset operation is invalid. BACK SCREEN Current time setting screen 22-09-2002 00:00 •...

  • Page 46

    This product is designed and intended for use in the residential, commercial and light -industrial environment. The product at hand is based on the following EU regulations: NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

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G-50a

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