Specifications

CONTROLLER (Feb. 2009)
CNTR-23
CONTROLLER
DATA U4
3. SYSTEM CONTROLLER
3-5. Central controller [GB-50A]
Operation mode
switching
Switches between Cool / Dry / Auto / Fan / Heat.
(Group of LOSSNAY unit : automatic ventilation/ vent - heat
interchange/ normal ventilation)
Operation modes vary depending on the air conditioner unit.
Temperature
setting
Range of temperature settings vary depending on model.
Fan speed setting
Air flow direction
setting
Permit / Prohibit
local operation
Individually prohibit operation of each local remote control
function (Start/Stop, Change operation mode, Set temperature,
Reset filter).
3: When the local remote controller inactivation command is
received from the master system controller, disabled mark
appears in inverted display on the operation screen.
Indoor unit intake
temperature
Measures the intake temperature of the indoor unit only when
the indoor unit is operating.
Error
When an error is currently occurring on an air conditioner unit,
the afflicted unit and the error code are displayed.
4: When an error occurs, the LED flashes. The operation
monitor screen shows the abnormal unit by flashing it. The
error monitor screen shows the abnormal unit address,
error code and source of detection. The error log monitor
screen shows the time and date, the abnormal unit
address, error code and source of detection.
ON/OFF
Run and stop operation for the air conditioner units
Ventilation
equipment
The interlocked system settings can be performed by the master
system controller.
When setting the interlocked system, you can use the ventilation
switch to switch the free plan LOSSNAY settings between "Hi",
"Low" and "Stop".
When setting a group of only free plan LOSSNAY units, you can
switch between "Normal ventilation", "Interchange ventilation"
and "Automatic ventilation".
External
input/output
By using accessory cables you can set and monitor the
following.
Input
By level signal: "Batch start/stop", "Batch emergency stop"
By pulse signal: "Batch start/stop", "Enable/disable local
remote controller"
Output
"Start/stop", "Error/Normal"
5: Requires the external I/O cable (PAC-YG10HA-E) sold
separately.
Item
Description
Operations
Display
Range of temperature setting
:Each unit
:Collective
:Each block:Each group
:Each floor :Not available
1
3
4
55
Functions
External dimension
GB-50A needs a PC(field supplied) connected together to monitor and operate the air conditioner system.
9-
7
/
8
1-
1
/2
1-
3
/
8"
13
/
32
25
/
32
25
/
32
25
/
32
25
/
32
25
/
32
25
/
32
L-shape metal
(included)
Mounting with L-shape metal
Mounting with DIN Rail
Attachment for DIN Rail (included)
DIN Rail
12-
7
/
32
11-
13
/
32
Unit:mm[in.]
250
[ ]
9-
7
/
8
250
[ ]
130
[ ]
This device complies with Part15 of the FCCRules.Operation is
subject to the following two conditions:(1)this device may not cause
received,including interference that may cause undesired operation.
harmful interference,and(2)this device must accept any interference
(M-NET)
SERVICE REF. GB-50A-E
MADE IN JAPAN
lb
2
/
1
1.1kg / 2
DC30/24V;0.13/0.15A
SERIAL No.
WEIGHT
INPUT VOLTAGE
MODEL
CENTRAL CONTROLLER
N623
5-
1
/
8
This device complies with Part15 of the FCCRules.Operation is
subject to the following two conditions:(1)this device may not cause
received,including interference that may cause undesired operation.
harmful interference,and(2)this device must accept any interference
(M-NET)
SERVICE REF. GB-50A-E
MADE IN JAPAN
lb
2
/
1
1.1kg / 2
DC30/24V;0.13/0.15A
SERIAL No.
WEIGHT
INPUT VOLTAGE
MODEL
CENTRAL CONTROLLER
N623
Cool/Dry:
Heat
:
Auto :
38
[ ]
20
[ ]
20
[ ]
20
[ ]
20
[ ]
20
[ ]
20
[ ]
290
[ ]
310
[ ]
35
[ ]
[ ]
10
A. The central controller of GB-50A combines with Web
function, which enables the air conditioner system to be
managed via PC browser screen. *1.
The management can even carried out remotely.
*1 Microsoft® Internet explorer Ver. 5 or later by
Microsoft Corporation is needed. Java executing
environment is needed.(Microsoft VM Ver. 5.0 or
later, or SUN Microsystems’ Java plug-in Ver. 1.4.2 or
later) Microsoft is a registered trademark of
Microsoft Corporation in the United States and other
countries.
B. Together with integrated centralized control software
TG-2000A and/or PLC, many optional functions like
“Charging”, “Peak-cut”, “Energy saving”, “General
equipment management”, “Scheduling” etc, can be
performed. For details, please refer to sections of TG-
2000A and PLC software.
C. One GB-50A can control a maximum of 50 Indoor units
(including Lossnay). The TG-2000A can manage a
maximum of 40 GB-50As, and therefore, can manage
a maximum 2,000 Indoor units (including Lossnay).
D. Taking advantage of GB-50A’s Web functions,
an notification e-mail containing address and error code
can be sent to appointed e-mail address if any error
occurs at the air conditioner system.
( ) in case of PDFY/PEFY/PFFY-E indoor unit.
Models with 5 air flow speed settings: Hi/Mid-2/Mid-1/Low, Auto
Models with 4 air flow speed settings: Hi/Mid/Low, Auto
Models with 2 air flow speed settings: Hi/Low
Fan speed setting (including Auto) varies depending on the model.
Air flow direction angles, 4-angle or 5-angle, Swing, Auto
1: Louver cannot be set.
Air flow direction settings vary depending on the model.
3-5. Central controller [GB-50A]