AERCO C-More Controls Manual June 2010 - Manual (Page 14)

C-More Controller for Benchmark, Innovation & KC
USER MANUAL
Page 14 of 162 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 04/22/14
GF-112 Phone: 800-526-0288 OMM-0032_0E
Table 1-2: Operating Controls, Indicators and Displays
ITEM
NO.
CONTROL, INDICATOR OR
DISPLAY
FUNCTION
1
LED STATUS INDICATORS
Four Status LEDs indicate the current operating status as follows:
COMM
Lights when RS232 communication is occurring between the
C-More and the I/O Box. This LED will light when a unit is
sending OnAER data.
MANUAL
Lights when the unit is being controlled using the front panel
keypad.
REMOTE
Lights when the unit is being controlled by an external signal
from an Energy Management System
DEMAND Lights when there is a demand for heat.
2 VFD Display
Vacuum Fluorescent Display (VFD) consists of 2 lines each
capable of displaying up to 16 alphanumeric characters. The
information displayed includes:
Startup Messages
Alarm Messages
Operating Status Messages
Menu Selections
3
OUTLET TEMPERATURE
Display
3–Digit, 7–Segment LED display continuously displays the
outlet water temperature. The °F or °C LED next to the
display lights to indicate whether the displayed temperature is
in degrees Fahrenheit or degrees Celsius. The °F and °C
LED blink when operating in the Deadband Mode.
4 RS232 Port
Port permits a Laptop Computer or External Modem to be
connected to the unit’s Control Panel. AERCO offers for
purchase the RS232 Adaptor Cable (P/N 124675), which is
designed to work with this port. This cable features a DB9
connector for connection to older computers with serial ports
or can be used with a Serial-to-USB adaptor for use in
modern computer USB ports.
5 READY Indicator
Lights when ON/OFF switch is set to ON and all Pre-Purge
conditions have been satisfied.
6 ON/OFF Switch Enables and disables boiler operation.
7
LOW WATER LEVEL
TEST/RESET Switches
Allow the operator to test the operation of the water level
monitor.
Pressing TEST opens the water level probe circuit and
simulates a Low Water Level alarm.
Pressing RESET resets the water level monitor circuit.
Pressing CLEAR resets the display.
8 FAULT Indicator
Red FAULT LED indicator lights when a boiler alarm
condition occurs. An alarm message will appear in the VFD.
9 CLEAR Key
Turns off the FAULT indicator and clears the alarm message
if the alarm is no longer valid. Lockout type alarms will be
latched and cannot be cleared by simply pressing this key.
Troubleshooting may be required to clear these types of
alarms