The Beacon II Smart Controller performs all the
standard Beacon functions with the additional
benefit of:
a) Remote mounting for easy access
b) Remote monitoring and programming
c) Controlling four completely separate
systems
d) Logging data
e) Smart Defrost
f) Access via PC or modem
g) Has buzzer to signal alarms
h) Locking keypad
Beacon II Smart Controller allows complete
monitoring and programming of the system.
The Controller display has the following buttons:
COOLING, DEFROST, PROG REVIEW,
MONITOR, ENTER, CLEAR, SETPOINT AND
TIME.
The normal LCD display will show the
Programmed Box Set-point temperature.
Actual Box Temperature, the Current Time
of day and the Mode (i.e. COOL, DEFROST
or OFF). When multiple systems are being
controlled, the system number (i.e. SYS 1, SYS
2, SYS 3, SYS 4) will also be displayed on the
LCD.
• Monitoring of the complete refrigeration system.
• Programming of a variety of parameters for the
optimum control of the refrigeration system.
• The Beacon II Smart Controller has a Liquid
Crystal Display (LCD) which shows: current
time, actual box temperature, box temperature
set-point and if there is an alarm or fault
condition.
• Data Logging.
• Smart Defrost to save energy on defrost.
• Sounds a buzzer to indicate an Alarm condition.
• Can be mounted up to 1000 ft. away from the
system being controlled.
• Each Beacon II Smart Controller can control four
independent systems with up to 4 evaporators
on each system.
• An RS232 port is provided which allows
connection to system via PC or Modem.
• A Backup battery will maintain the clock settings
for 10 years.
• Double E PROM Chip will maintain program
settings indefinitely.
• Password protection system.
• Locking feature to prevent unauthorized access
to program settings.
Box Set-point
Temperature
System
Number
Time of Day
Set-point
Slide Bar
Operating
Mode
Box
Temperature
System
Selection Bar
3
INSTALLATION
Installation
The Beacon II Smart Controller should be
installed in a location where the large Liquid
Crystal Display (LCD) can be viewed easily,
yet is secure and vibration free. Because of the
LCD screen, the Beacon II Smart Controller
should not be mounted where it will experience
temperatures below 40°F or above 100°F.
Beacon II Smart Controller Base
A terminal strip for wiring connections is located
on the base of the Beacon II Smart Controller.
To access this terminal strip, pull both halves of
the Beacon II Smart Controller housing apart.
Mounting holes are located in the plastic base.
24 V Terminal
Strip
RS232
Connector
4
Wiring
WIRING
All 24 volt wiring must be run separate from the line
voltage wiring.
For MULTIPLE
independent Refrigeration systems:
All Low voltage wiring must be 18 gauge minimum
and must be run separate from high voltage wiring.
Themaximum distance from the Beacon II Smart
Controller to the Master Evaporator is 1000 ft.
The terminal strip in the Beacon II Smart Controller is
labeled similarly to that of the Beacon II boards. Connect
the corresponding terminals to those on the Beacon
board.
For single Refrigeration system:
Connect MULTI OUT 1 from the Beacon II Smart Controller to the MULTI IN on the Beacon board on the Evaporator. Then connect MULTI IN 1 from
the Beacon II Smart Controller to the MULTI OUT on the Beacon board on the Evaporator. See typical
wiring diagram at the back of these instructions.
On systems with multiple evaporators the Beacon II
Smart Controller must be wired to the Master
Evaporator first. DO NOT disconnect the Room
sensor from any of the Evaporators.
SINGLE SYSTEM CONNECTION
For the first system, connect MULTI OUT 1 from the Beacon II Smart Controller to the MULTI IN on the Beacon II board on the Evaporator in this
first system. Then connect MULTI IN 1 from the Beacon II Smart Controller to the MULTI OUT on the Beacon II board on the Evaporator on this firstsystem. DO NOT disconnect the Room sensor from
any of the Evaporators. See typical wiring diagram at
the back of these instructions.
For the second system, connect MULTI OUT 2 from
the Beacon II Smart Controller to the MULTI IN on
the Beacon II board on the Evaporator in this second
system. Then connect MULTI IN 2 from the Beacon II
Smart Controller to the MULTI OUT on the Beacon II
board on the Evaporator on this second system. See
typical wiring diagram at the back of these instructions.
On systems with multiple evaporators the Beacon II
Smart Controller must be wired to the Master Evaporator
first. DO NOT disconnect the Room sensor from any of
the Evaporators.
DO NOT CONNECT 24V & C BETWEEN
EVAPORATORS.
The Beacon II Smart Controller and the evaporators are
then connected in a daisy–chain fashion.
(See the wiring diagrams in the back of this manual)
M = Master Evaporator S = Slave Evaporator CU = Condensing unit
A minimum 18 gauge wire should be used. All low voltage
wiring must be run separate from high voltage wiring.
MULTIPLE SYSTEM CONNECTION
SYSTEM 1SYSTEM 2SYSTEM 3
SYSTEM 4
M = Master Evaporator S = Slave Evaporator CU = Condensing unit
5
POWER SUPPLY
Power Supply
The Beacon II Smart Controller gets it’s
24 VAC power supply from the evaporator.
When controlling multiple systems, the
Beacon II Smart Controller is powered from
the evaporator of only one of the systems.
If a power interruption occurs to the system
supplying the Beacon II Smart Controller, the
Beacon II Smart Controller LCD screen will
go blank. The other systems will, however,
continue to operate and maintain their box
temperature.
The Beacon II Smart Controller can be supplied
with it’s own power supply by using a 24
VAC Universal Plug-in Power Source with a
minimum of 300 mA. When powered by an
independent power supply, if power is lost to
the Beacon II Smart Controller the systems
will continue to operate and maintain the box
temperature. This occurs only if an external
power supply is used on the Beacon II
Smart Controller.
If the Beacon II Smart Controller LCD displays
all 88888 this indicates that the power supply
is below 18 VAC. When this occurs the system
will power down and shut off. When the power
supply is corrected to 24 VAC, the system will
restart after the four-minute hold off period and
resume normal operation. The Beacon II Smart
Controller LCD display will then be normal.
6
Initialization of Beacon II Smart Controller
INITIALIZATION of BEACON II SMART CONTROLLER
When power is first applied to the Beacon II Smart Controller
it checks the configuration of the system to which it is
connected and stores this in its memory. Beacon II Smart
Controller checks how many condensing units there are and
how many evaporators are connected to each condensing
unit. The order in which the units are wired from the multiout of the Beacon II Smart Controller determines the unit
ID (UNI-4) assigned by the Beacon II Smart Controller.
This is called initialization. Whenever a system is
added, removed or modified (changing the number of
evaporators on a condensing unit), while connected to
the Beacon II Smart Controller, it must be re-initialized.
Place all systems in the service mode before initializing
the Beacon II Smart Controller. Make sure all wiring
changes to the system and the Beacon II Smart Controller
are complete and accurate before initializing the Beacon
II Smart Controller. Each SLAVE Evaporator must also
be programmed as a SLAVE BEFORE the system is
initialized. The “SLA” setpoint must be set from the board
programming. It cannot be done from the Beacon II Smart
Controller.
To initialize the Beacon II Smart Controller (for version 1.2)
• Press and Hold both the ENTER and CLEAR buttons
until the LCD displays EEROM?
• Release the ENTER and CLEAR buttons quickly, then
press the ENTER button
• The LCD will display WAIT”
• COOLING:
in the cooling cycle immediately (The 4 minutes “Hold
Off” is bypassed). This button will illuminate to indicate that
the Cooling function is “ON”. System operation will be as
described under REFRIGERATION MODE in the Beacon
II installation manual.
Pressing the COOLING button while the system is cooling,
and the button illuminated, will pumpdown the system and
turn it off.
• DEFROST:
into defrost immediately (The “Hold Off/Hold On” times
are bypassed). This button will illuminate to indicate that
the Defrost function is “ON”. When in Defrost, pressing this
button a second time will end defrost.
• MONITOR:
the setpoints shown on page 10.
If one Beacon II Smart Controller is controlling two or more
independent systems, you must press the
BAR
monitor. If multiple evaporators are connected to the
system displayed, you must press the “+” or “–” buttons to
display information on the evaporator you want to monitor.
• PROG REVIEW:
of the setpoints for initial setup and to make changes.
Depressing this button will start the system
Depressing this button will force the system
Depressing the MONITOR button will display
SELECTION
to display information on the system you want to
This button allows stepping through each
It may take up to 2 minutes to complete the initialization of
the system after which the normal LCD screen will appear.
BUTTON FUNCTIONS
• SYSTEM SELECTION BAR: If two or more systems are
being controlled from the Beacon II Smart Controller, this
bar allows switching between systems. The display will
show the SYS number and all parameters related to that
system. The cover plate of Beacon II Smart Controller,
when pushed will also change the display between
systems.
• CLOCK (+ -) This is used to set the time of day
on the display.
• Depress the + button to move the clock forward
• Depress the - button to move the clock backward
• When in
through values for setting superheat etc. for each
evaporator of the system(s) attached to the
Beacon II Smart Controller and for different defrost
start time periods.
PROG Mode, these are used to step
If one Beacon II Smart Controller is controlling two or more
independent systems, you must press the
BAR
to display information on the system you want
to make program changes. If multiple evaporators are
connected to the system displayed, you must press the “+”
or “–” buttons to display information on the evaporator you
want to monitor.
• CLEAR:
programming or to return to the System display when
monitoring.
• TIME:
for Defrost times.
• SETPOINT:
while programming.
• ENTER:
NOTE: Settings are recorded in memory even if
power fails.
Used to clear incorrect entries while
Slide-bar is used to set the thermostat clock
Slide-bar is used to change settings
To enter new settings into the program.
SELECTION
7
Programming Beacon II Smart Controller
PROGRAMMING BEACON II SMART
CONTROLLER
To make a change, press the PROG REVIEW button until
the setpoint item that needs to be changed is displayed. The
SETPOINT Slide-bar is then used to change to the desired
new setting. When the new desired setting is displayed,
press the “ENTER” button. The new setting is now
programmed into the Beacon II Smart Controller memory.
Press the PROG REVIEW button and follow the steps below
(to back up one step during programming, while pressing the
“MONITOR” button, press the “PROG REVIEW” button):
• DEFTYP
Air Defrost then press “ENTER”. This selection will
automatically set the defaults for Air and Electric Defrost.
Important: This will set the refrigerant type to R22 for
Air and R404A for Electric.
refrigerant you are using in your application if these
are incorrect.
• REFTYP –
display desired value, then press “ENTER.”
• BOXTMP
slide-bar to get desired temp., then press “ENTER.”
– ELE or AIR: Select for Electric Defrostor
You must change to the
22, 404, 507. Use “SETPOINT” slide-bar to
– Box Temp: -30° F to 70° F. Use “SETPOINT”
• DEFSAF – Defrost Fail Safe Time: 10 to 200 minutes.
When this time has elapsed, the defrost cycle will end,
even if the programmed Defrost Termination
temperature was not achieved. Use “SETPOINT” slide-bar
to select desired time, then press “ENTER”.
• DEFTMP
100° F. Use “SETPOINT” slide-bar to select desired temp.,
then press “ENTER”. If multiple evaporators are
connected, use the “+” button to set other evaporators on
this system.
• ALR HI
“SETPOINT” slide-bar to select desired temp., then press
“ENTER”.
• ALR LO
“SETPOINT” slide-bar to select desired temp., then press
“ENTER”.
• ALRMIN
exceed before alarm is indicated: 2 to 120 min. Use
“SETPOINT” slide-bar to select desired time, then press
“ENTER”.
– Defrost Termination Temperature: 40 to
– Alarm High Temperature. -40 to 90° F. Use
– Alarm Low Temperature -40 to 90° F. Use
– Alarm Time, in minutes. Condition must
• SUPRHT
slide-bar to select desired superheat temp., then press
“ENTER.” If multiple evaporators are connected, use the
“+” button to set other evaporators on this system.
• SMT DFT
slide-bar to turn it ON or OFF, then press “ENTER” - (for
version 1.2. When Smart Defrost is turned on, 8 defrost
periods per day will automatically be programmed. These
will be at 12:00 am, 3:00 am, 6:00 am, 9:00 am, 12:00 pm,
3:00 pm, 6:00 pm, and 9:00 pm. Also, the defrost fail safe
time will be set to 60 minutes, and the defrost termination
temperature will be set to 55°F. The user can change
these as needed for the application).
• DEF ST
(For
time, then press “ENTER”. Use + button to scroll to next
defrost period,
defrost time and press “ENTER”. Repeat steps for each
required defrost period). If defrost times are not
programmed the system will use the defaults
Defrost - four per day at 4:00 AM, 10:00 PM, 4:00 PM,
10:00 AM. Air Defrost - two per day at 9:00 AM, 9:00 PM.
– Superheat: 4 to 20 ° F. Use “SETPOINT”
: Smart Defrost: On/Off. Use “SETPOINT”
- Defrost Start time: Up to 12 settings per day
dF 1, use the “TIME” slide-bar to select first defrost
dF 2, use “TIME” slide-bar to select second
: Electric
• ° F / ° C
then press “ENTER”.
• 12/24H
international time. Use “SETPOINT” slide-bar to select,
then press “ENTER”.
• TEST
Use with Caution. This will cycle each output at 10
second intervals. Use “SETPOINT” slide-bar to select,
then press “ENTER”. Return to “OFF” and then press
“ENTER” to end the test.
• SERVIC –
will pump the system down and shut it off. The system will
not restart until SERVIC is placed back in the OFF mode.
When multiple evaporators are connected as master/
slave
information specific to each evaporator. Units in a
master/slave connection are numbered 1 through 4.
The first evaporator connected to the BEACON
II SMART CONTROLLER MULTI-OUT Terminals is
Evaporator # 1.
– ° F or ° C. Use “SETPOINT” slide-bar to select
– Clock: 12H is for standard time. 24H is for
: OFF or ON: Puts all evaporators in TEST mode.
ON or OFF: When placed in the ON mode this
, depressing the + or - button will display
8
Monitoring With Beacon II Smart Controller
MONITORING with
BEACON II SMART CONTROLLER
The Monitoring function can be used to monitor live
system data. The information displayed, such as superheat, is the actual superheat of the system as it is
changing.
Press the MONITOR button and follow the steps below
(to back up one step during monitoring, while pressing
the “PROG REVIEW” button, press the “MONITOR”
button):
• SUPRHT – Superheat (use + button to check super heat of other evaporators, if Master/slave)
• EXVSET - Expansion valve step setting (Stepper
Motor setting 0 to 255 steps: use + button to check
other evaporators if Master/slave)
• SUCTMP – Evaporator Suction temperature
(Measured by the Suction Sensor)
• SSVTMP – Saturated Suction temperature at the Evaporator (Determined by Suction Transducer)
• SUCPRE – Evaporator Suction Pressure
(Measured by Suction Transducer)
When multiple evaporators are connected as master/
slave depressing the + or - button will display information
specific to each evaporator. Units in a master/slave
connection are numbered 1 through 4.
The first evaporator connected to the BEACON II
SMART CONTROLLER MULTI-OUT Terminals is
Evaporator # 1.
• OD TMP – Actual outdoor ambient temperature
(Measured at the Condensing Unit)
• DEFTMP – Evaporator coil temperature
(Used to terminate defrost)
• DEFTIM - Defrost Time: Length of last defrost
• CMPCYC - Comp Cycles:
No of Compressor Cycles since 12:00 midnight
• CMPRUN - Comp run time
(Measured since 12:00 midnight)
• SPRTMP – Spare sensor temperature input
• VERSON – Software Version: For each controller
(use “+” button to check other evaporators, if Master/
slave)
• VERSON - Software Version: for Beacon II Smart
Controller
9
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