Carefully Read These Instructions Before Operating
Carefully Read These
Controls Corporation of America
1501 Harpers Road • Virginia Beach, VA 23454
Telephone 1-800-225-0473 or 757-422-8330 • Fax 757-422-3125
www.concoa.com
May 2018
Revision G
SAFETY
BASIC SAFETY PRECAUTIONS MUST BE FOLLOWED TO REDUCE THE RISK OF
FIRE, ELECTRICAL SHOCK OR INJURY.
While the Altos 2™ is dust and moisture resistant, it is NOT water-proof or
completely sealed. It should be installed where it will not be subjected to rain or
high concentrations of dust. Never pour or spray liquids directly onto the product.
Install the Altos 2™ where the ambient temperature range is between 0° F and
140° F.
THIS PRODUCT IS NOT INTENDED FOR USE IN EXPLOSIVE
ENVIRONMENTS.
DO NOT INSTALL THIS PRODUCT IN ANY HAZARDOUS ENVIRONMENT.
If product appears damaged in any way, do not use and request service from
CONCOA.
USER RESPONSIBILITY
Service to this product should only be performed by CONCOA or an authorized
CONCOA agent. Requests for service may be made through CONCOA CUSTOMER
SERVICE at 1-800-225-0473. Written requests may be made using CONCOA’s FAX
number at 1-757-422-3125 or CONCOA’s E-MAIL at info@concoa.com
CONCOA accepts no responsibility for damage or injury if this product is modified in
any way.
CONCOA assumes/accepts no liability or responsibility for damage to individuals or
equipment that may occur when using this product
Index
Description of Product .........................................................................................................2
Power Requirements ............................................................................................................2
Warranty Information ........................................................................................................34
1
DESCRIPTION OF PRODUCT
The CONCOA Altos 2™ system monitor reports the status of up to 2 individual points of
observation. Ideal for monitoring automatic switchovers and other fail-safe gas delivery
installations with pressure switch or transducer pressure monitoring capability. The
pressure reading for 4-20mA transducers or contact closure status for pressure switches
will be displayed locally on a 2.57” LCD screen for up to 2 channels. The statuses of all
inputs are also displayed locally with high visibility multicolor LEDs that turn red when
an input exits its normal condition. Additionally, status may be accessed through three
dry contact relay outputs, one for each input channel and a master alarm.
POWER REQUIREMENTS
Input Voltage: External Power Supply
Universal input voltage 96-264 VAC, 50/60Hz.
Figure 1 shows the location of the various inputs, outputs, and indicators for the Altos 2™. The
Altos 2™ has a universal power supply.
Input signals coming from external devices are connected to the Altos 2™ via individual wires
through a 1/2” conduit connection in the bottom of the enclosure to a terminal strip.
The Altos 2™ provides output relay signals to indicate the state of channel 1, 2, and the master
alarm. The master alarm is engaged when either channel is in alarm with signals brought out
through terminal connectors consisting of 3 terminal blocks. Each terminal block contains a
common voltage input, a normally-closed contact, and a normally-open contact.
Output relay signals are routed from the Altos 2™ terminal strip via individual wires through a
1/2” conduit connection on the bottom of the enclosure.
Figure 1 shows a view of the front panel which is laid out with two status lights representing
channels 1 and 2. The indicator lights are bi-colored LEDs so that the same light can be turned
ON as either a green indicator or a red indicator. A green LED indicates a normal condition. A
red LED indicates an alarm condition. If the option has been enabled, a blinking red LED
indicates that both channels are in alarm.
On the left side of the front panel, a speaker is used to provide an audible indication of an alarm
condition. The alarm silence button in the upper right portion of the front panel allows the
operator to silence the audible alarm even while an alarm condition still exists.
In the center of the front panel is a 2.9” diagonal LCD screen used for displaying channel 1 and 2
status as well as system configuration menus. On the right side of the screen are four directional
arrows used for navigating the configuration menu.
The Altos 2™ allows for either a 4-20mA transducer or a contact closure input (typical pressure
switch) for channel monitoring. The channel configuration is selectable via the system menu.
3
The 4-20mA inputs are accessed via a terminal block containing the +12vdc supply line and the
signal return for each channel. The channel pressure is displayed on the LCD screen and,
depending on the channel alarm configuration and set point, the channel LED with either be
green (normal state) or red (alarm state).
The contact closure inputs are also accessed via a terminal block containing a +12vdc supply line
and a signal return for each channel. The Altos 2™ can use normally closed (N.C.) or normally
open (N.O.) contact signals from the external inputs to determine the state of the alarms. The
normal conditions of these alarms are customizable via the configuration menu.
If there are no alarm conditions, the Altos 2™ will turn on the green indicator next to the status
being monitored. When an alarm condition occurs, the color of the indicator next to its status
changes from green to red. At the same time, the audible buzzer in the Altos 2™, if enabled, will
begin to sound. The LCD screen will display the current channel pressure or whether the contact
is open or closed depending on the channel’s configuration. The set of contacts representing this
alarm condition will alarm in the relay output section of the Altos 2™.
MOUNTING REQUIREMENTS
Figure 2
4
INSTALLATION INSTRUCTIONS
After mounting the Altos 2™ to the wall, wire any monitored devices through the conduit
connections and to the input terminal blocks (see Figures 3-13, Table 1). If using the relay
output of the Altos 2™ to connect to another alarm or system, attach wires to the relay output
terminal blocks (see Figure 3, Table 1).
Turn Altos 2™ on by plugging the unit directly into a wall outlet and turning the power switch
on the left side of the unit to the on position. The system may be tested once it is connected to an
external device by tripping the external alarm, causing the corresponding input LED to turn red.
CONNECTING EXTERNAL INPUT DEVICES TO THE
ALTOS 2™
The Altos 2™ is designed to interface with up to 2 external pressure transducers (by default) or
any dry contact inputs depending on the channel configuration. The external device wires
(+12Vdc out, signal in) are brought in through a conduit connector on the left side of the box and
connected to terminal blocks on the left hand side of the circuit board. Figures 3-13 and Table 1
outline how to connect various CONOCA products to the Altos 2™.
The recommended cable for this assembly is 14-26 AWG wire (Alpha # 1176C or equivalent).
The length of each cable should be limited to 500 feet for pressure transducers and 1500 feet for
dry contact inputs.
After cutting the cable to length, remove the outer jacket to expose approximately 3/4 inch of the
internal conductors on both sides of the cable. Strip away 1/4-inch of the insulation on each of
the conductors, unscrew the terminal block, insert wire, and tighten screw. Test to ensure the
wire does not pull out of the connector.
Table 2 shows common wire part numbers that are available to connect to various CONCOA
devices. Contact CONCOA for details.
Dual Regulator Switchovers with
Transducers, Protocol Stations with
Transducer, and AutoSwitches with
Transducers:
Alarm to Intrinisic Safety Barriers
Protocol Stations with
Pressure Switch Gauge:
Alarm to Intrinsic Safety Barriers
5295344-L
6 Bare Wires x 6 Bare Wires
(Blue, Green, Red, Orange,
White, Black)
15
CONNECTING ALARM OUTPUTS
The Altos 2™ provides output signals corresponding to the alarm conditions that it senses,
presented through relay contacts, and brought out to terminal connectors on the right hand side of
the circuit board connector at the bottom of the alarm. Signals are then routed through the
conduit connector on the right side of the box. A total of three relay output terminal strips are on
the circuit board; one for each channel and a master alarm signal. Each terminal strip contains
the independent common input signal, a normally closed output, and a normally open output.
(See Figure 3 for terminal strip locations.)
The recommended cable for making an output cable assembly is 14-26 AWG. The length of each
cable should be limited to 1500 feet.
After cutting the cable to length, remove the outer jacket to expose approximately 3/4 inch of the
internal conductors on both sides of the cable. Strip away 1/4-inch of the insulation on each of
the conductors, unscrew the terminal block, insert wire, and tighten screw. Test to ensure the
wire does not pull out of the connector.
MUTING AUDIBLE ALARM
It is sometimes desirable to silence the audible alarm on the Altos 2™. This can be accomplished
in one of two ways.
1) Pressing the alarm silence button on the top right hand side of the front panel will
temporarily silence the alarm. In this mode, the audible alarm will automatically sound
on the next asserted alarm
2) To permanently silence the alarm, power down the unit, open the front cover, and flip
SW1-5 off (open) (See Figure 3.).
16
CONFIGURATION USING THE LCD SCREEN
The Altos 2™ is equipped with an LCD screen for displaying system status and configuration of
the system. The Altos 2™ LCD screen displays system status by default.
Figure 16
The Altos 2™ Settings Menu is also displayed via the LCD screen. Pressing any navigation
button on the front right of the enclosure (Figures 1 + 16) when the status screen is displayed
will enter the Settings Menu.
17
Figure 17
The up and down keys allow the user to navigate the menu selections. To enter a menu selection,
press right/enter when the selection is highlighted. To go back a level, press the left/back key. To
disable the navigation buttons, power down the unit, open the front cover and flip SW1-4 on
(closed) (See Figure 3.). Pressing the navigation buttons when the keypad is locked will cause
the Altos 2™ to display a keypad lock out warning for a couple of seconds before returning to
the display screen.
SETTINGS MENU
The Altos 2™ Settings Menu is divided into four sections: Channel1, Channel2, Alarm, and
System. Pressing right/enter when the selection is highlighted enters the submenu.
Figure 18
“Channel 1” and “Channel 2” = Input configuration settings for channels 1 and 2
respectively.
“Alarm” = Global alarm configuration settings.
“System” = System configuration settings.
18
CHANNEL SETTINGS
The Channel Settings Menus “Channel 1 “ and “Channel 2” contain three settings for each
channel: Input/Alarm Mode, Alarm Set Point, and Units of Measure
Figure 19
19
Input/Alarm Mode
Input/Alarm mode configures the specified channel input for transducer, contact closure, or
disables the input.
Figure 20
Transducer/Over - Configures the specified channel to use the transducer input and
causes the channel to alarm when the measured pressure rises above the alarm set point
(see Alarm Set Point Section).
Transducer/Under (DEFAULT) - Configures the specified channel to use the transducer
input and causes the channel to alarm when the measured pressure falls below the alarm
set point (see Alarm Set Point section).
Switch/Closed - Configures the specified channel to use the contact closure input and
causes the channel to alarm when the contact closes.
Switch/Open - Configures the specified channel to use the contact closure input and
causes the channel to alarm when the contact opens.
Input Disabled - Disables the input so that the specified channel will not alarm, the
corresponding LED turns off, and the LCD screen displays five dashes.
20
Alarm Set Point
Alarm Set Point determines the pressure at which the Altos 2™ will alarm when it is configured
for Transducer/Over or Transducer/Under mode.
Figure 21
Pressing up or down on a particular digit will modify only the selected digit. To navigate
between digits, press left or right. To save the selected setting, navigate to the far right digit and
press right again. The Altos 2™ will not allow the user to select a value outside the maximum
and minimum values displayed. The default value for this setting is 500 PSI.
21
Units of Measure
Units of Measure determines BAR, PSI or kPa. Altos 2™ will display the selection for the
specified channel. The default setting is PSI.
Figure 22
ALARM SETTINGS
The Alarm Configuration menu contains two global alarm choices: Alarm Delay and Blink.
Figure 23
22
Alarm Delay
Alarm Delay specifies the number of minutes after an alarm condition is detected for the Altos
2™ to display an alarm condition.
Figure 24
Pressing up or down on a particular digit will modify only the selected digit. To navigatebetween digits press left or right. To save the selected setting, navigate to the far right digit and press right again. TheAltos2™ willnot allow the user to select a value outside the maximum and minimum values displayed. The default value for this setting is 0 minutes.
Pressing up or down on a particular digit will modify only the selected digit. To navigate
between digits, press left or right. To save the selected setting, navigate to the far right digit and
press right again. The Altos 2™ will not allow the user to select a value outside the maximum
and minimum values displayed. The default value for this setting is 0 minutes.
23
Blink When Both In Alarm
Blink When Both in Alarm causes the red alarm LEDs to blink when both channels are in alarm.
The default setting is OFF.
Figure 25
24
SYSTEM SETTINGS
The System Configuration menus contain twelve settings: Set Ch1 Offset, Set Ch2 Offset, Set
Ch1 Max, Set Ch2 Max, Deadband Ch1, Deadband Ch2, Audible Mode, Power Save Mode,
Keypad Lockout, Test Mode, Reset, and About.
Figure 26
Figure 27
25
Set Channel Offset
The Offset specified for a channel calibrates the pressure transducer for the specified input.
Figure 28
To calibrate the transducer, apply a pressure greater than zero but less than the maximum
transducer pressure rating. Pressing up or down on a particular digit will modify only the
selected digit. To navigate between digits, press left or right. To save the selected setting,
navigate to the far right digit and press right again. The Altos 2™ will not allow the user to select
a value outside the maximum and minimum values displayed.
The default value for this setting is 0.
26
Set Channel Max
The Max Pressure Setting specified for a channel configures the maximum pressure rating for the
specified pressure transducer.
Figure 29
Pressing up or down on a particular digit will modify only the selected digit. To navigate
between digits, press left or right. To save the selected setting, navigate to the far right digit and
press right again. The default value for this setting is 6000 PSI.
WARNING: Changing this value to a value that does not match the actual range of the
transducer used will result in invalid pressure readings.
27
Deadband
The Deadband specified for a channel configures the value that the specified channel pressure
must rise above or fall below the alarm set point to clear the channel alarm (depending on the
Input/Alarm Condition).
Figure 30
Pressing up or down on a particular digit will modify only the selected digit. To navigate
between digits, press left or right. To save the selected setting, navigate to the far right digit and
press right again. The Altos 2™ will not allow the user to select a value outside the maximum
and minimum values displayed. The default value for this setting is 15 PSI.
28
Audible Mode
Audible Mode provides instructions on how to change the audible mode. Default is ON.
Figure 31
WARNING: If audible mode is enabled, each navigational button press results in a chirping
sound. If audible mode is disabled the speaker is completely silent.
29
Power Save Mode
Power Save Mode, when enabled, turns off the LCD screen after fifteen minutes of inactivity.
(When the screen is off the unit will still alarm as normal.) Pressing any button on the front cover
will wake the unit up when in power save. Default Mode is OFF.
Figure 32
30
Keypad Lockout
Keypad Lockout provides instructions for changing the Keypad Lockout mode. Default Mode is
OFF.
Figure 33
Test Mode
Test Mode provides instructions for enabling Test Mode. Test Mode toggles all LED’s, speakers
and relays as well as displays the Altos logo to test proper operation of the unit. When Test
Mode completes ten iterations, the unit returns to the status screen.
Figure 34
31
Reset
Activating Reset restores all parameters to the factory default state and resets the device.
Figure 35
About
The about screen displays the system part number as well as the installed software version.
Figure 36
32
Symptom
Possible Cause
Possible Solution
No display or status lights.
No power to the system.
Check that the power source is live.
Power connections came loose from
electronic control board.
Restore power.
Restore power connections to
electronic control board
Replace electronic control board.
The pressure readings are
incorrect on the system
display.
Transducer is not properly calibrated
Transducer connection came loose from
the electronic control board
Transducer cable is damaged
Transducer is not working properly
relays and the remote monitoring system
is not correct.
Check that the remote system is
powered on
Check wiring between Altos 2™
output relays and remote monitoring
system.
TROUBLESHOOTING
33
WARRANTY INFORMATION
This equipment is sold by CONTROLS CORPORATION OF AMERICA under the warranties set forth in the
following paragraphs. Such warranties are extended only with respect to the purchase of this equipment directly
from CONTROLS CORPORATION OF AMERICA or its Authorized Distributors as new merchandise and are
extended to the first Buyer thereof other than for the purpose of resale.
For a period of one (1) year from the date of original delivery (90 days in corrosive service) to Buyer or to Buyer’s
order, this equipment is warrantied to be free from functional defects in materials and workmanship and to conform
to the description of this equipment contained in this manual and any accompanying labels and/or inserts, provided
that the same is properly operated under conditions of normal use and that regular periodic maintenance and service
is performed or replacements made in accordance with the instructions provided. The foregoing warranties shall not
apply if the equipment has been repaired: other than by CONTROLS CORPORATION OF AMERICA or a
designated service facility in accordance with written instructions provided by CONTROLS CORPORATION OF
AMERICA; or altered by anyone other than CONTROLS CORPORATION OF AMERICA; or if the equipment has
been operated under improper conditions or outside published specifications; or if the equipment has been damaged
or does not function due to improper installation, improper supply of required utilities, accident, abuse, misuse,
natural disaster, insufficient or excessive electrical supply, abnormal mechanical or environmental conditions, or
debris or particles in the gas or liquid source of supply.
CONTROLS CORPORATION OF AMERICA’s sole and exclusive obligation and Buyer’s sole and exclusive
remedy under the above warranties is limited to repairing using new or reconditioned parts or replacing, free of
charge except for labor if permanently installed for the continuous supply of gas by other than a technician certified
by CONTROLS CORPORATION OF AMERICA specifically to do so, at CONTROLS CORPORATION OF
AMERICA’s option, the equipment or part, which is either (1) reported to its Authorized Distributor from whom
purchased, and which if so advised, is returned with a statement of the observed deficiency, and proof of purchase of
equipment or part not later than seven (7) days after the expiration date of the applicable warranty, to the nearest
designated service facility during normal business hours, transportation charges prepaid, and which upon
examination, is found not to comply with the above warranties with return trip transportation charges for the
equipment or part paid by Buyer or (2) in the case of designated equipment permanently installed for the continuous
supply of gas, reported to an Authorized Service Center with proof of initial installation no later than seven (7) days
after the expiration date of the applicable warranty, and which is evaluated for compliance with the above warranties
by technician certified by CONTROLS CORPORATION OF AMERICA, and which is determined by CONTROLS
CORPORATION OF AMERICA based on said evaluation to be non-compliant.
CONTROLS CORPORATION OF AMERICA SHALL NOT BE OTHERWISE LIABLE FOR ANY
DAMAGES INCLUDING BUT NOT LIMITED TO: INCIDENTAL DAMAGES, CONSEQUENTIAL
DAMAGES, OR SPECIAL DAMAGES, WHETHER SUCH DAMAGES RESULT FROM NEGLIGENCE,
BREACH OF WARRANTY OR OTHERWISE.
THERE ARE NO EXPRESS OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE
WARRANTIES HEREINABOVE SET FORTH. CONTROLS CORPORATION OF AMERICA MAKES
NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH
RESPECT TO THE EQUIPMENT OR PARTS THEREOF.
34
35
Certified ISO 9001
Controls Corporation of America
1501 Harpers Road Virginia Beach, VA 23454
Telephone 1-800-225-0473 or 757-422-8330 • Fax 757-422-3125
www.concoa.com
36
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