User Manual

MC2: 04/23/13 Page 4 of 144
GF-131
AERCO Control System (ACS)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: [phone]
Installation, Operation, and Maintenance Manual
OMM-0081_0D
2.10 INTERLOCK WIRING ...................................................................................... 32
2.10.1 Interlock 1 (INT 1) Wiring ....................................................................... 32
2.10.2 Interlock 2 (INT 2) Wiring ....................................................................... 32
2.11 SETBACK WIRING ......................................................................................... 32
2.12 RELAY WIRING ............................................................................................... 32
2.12.1 System Start Relay ................................................................................. 33
2.12.2 Fault Alarm Relay ................................................................................... 33
2.12.3 Auxiliary Relay ........................................................................................ 33
2.13 4-20 MA WIRING ............................................................................................. 33
2.14 MOUNTING AND WIRING THE OPTIONAL ACS RELAY BOX ..................... 33
2.15 RELAY PANEL INSTALLATION AND WIRING .............................................. 34
2.16 RELAY PANEL COMPONENTS ..................................................................... 39
2.16.1 Power ..................................................................................................... 39
2.16.2 Inputs .................................................................................................... 39
2.16.3 Outputs .................................................................................................... 39
2.17 RELAY PANEL OPERATION .......................................................................... 40
2.18 ACS PROGRAMMING FOR USE WITH THE ACS RELAY PANEL ............... 41
2.18.1 RS485 Menu .......................................................................................... 41
2.18.2 Configuration Menu ................................................................................ 41
3. OPERATION .......................................................................................................... 43
3.1 INTRODUCTION .............................................................................................. 43
3.2 FRONT PANEL OPERATING CONTROLS AND DISPLAYS ......................... 43
3.3 ACS MENU STRUCTURE ............................................................................... 45
3.3.1 Menu Processing Procedure .................................................................. 45
3.4 OPERATING MENU ........................................................................................ 47
3.4.1 HEADER TEMP AND PERCENT OF LOAD .......................................... 47
3.4.2 HEADER SETPOINT ............................................................................. 47
3.4.3 OUTSIDE AIR TEMP ............................................................................. 47
3.4.4 I/O STATUS ........................................................................................... 48
3.4.5 RETURN TEMP ..................................................................................... 48
3.4.6 NETWORK BOILER OUTLET TEMPERATURE .................................... 48
3.4.7 NETWORK BOILER ERROR CODE ...................................................... 48
3.5 SETUP MENU .................................................................................................. 48
3.5.1 ENTER PASSWORD ............................................................................. 49
3.5.2 DATE AND TIME MENU OPTIONS ....................................................... 49
3.6 RS232 MENU ................................................................................................... 49