AERCO Control System (ACS) - Manual (Page 120)

MC2: 04/23/13 Page 120 of 144
GF-131
AERCO Control System (ACS)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Installation, Operation, and Maintenance Manual
OMM-0081_0D
Table G-4: ACS Commands
No. COMMAND ENTRY RANGE
FACTORY
DEFAULT
00 Header Temperature (°F) 40 to 220 Read Only
01 Outside Air Temperature (°F) -60 to 80 Read Only
02 Return Sensor (°F) 40 to 160 Read Only
03 Percent of Load (%) 0 to 100 Read Only
04 Header Set Temperature (°F) 40 to 220 Read Only
05 System Start Temperature (°F) 32 to 120 70
06 System Start Mode
0 = Temp Only
1 = Temp and Load
0 = Temp Only
07 Internal Setpt (°F) 40 to 220 160
08 Bldg Reference Temperature (°F) 40 to 220 70°F
09 Not Used
10 Not Used
11 Reset Ratio
0.3 to 3.0
(0.1 increments)
1.2
12 Maximum Header Temperature (°F) 40 to 220 220
13 Minimum Header Temperature (°F) 40 to 220 40
14 Boiler Start Percent 25 to 100 20
15 Boiler Stop Percent 10 to 45 16
16 Integral Gain (Rep./Min)
0.00 to 9.99
(0.01 increments)
0.15
17 Header Set Mode
0 = Constant Setpt
1 = Indr/Outdr Reset
2 = Remote Settemp
0 = Constant Setpt
18 Derivative Gain
-2.00 to 2.00
(0.01 increments)
0.15
19 Proportional Band (°F) 5 to 100 70
20 Aux Relay Open 0 to 99 45
21 Aux Relay Close
0 = 100% Fire Rate
1 = 100% and OFF
1 = 100% AND OFF
22 Failsafe Mode
0 = Shutdown
1 = Switch Inputs
0 = Shutdown
23 Fault Relay Mode
0 = All Faults
1 = No Interlock
2 = Interlock 2
3 = Interlock 1
0 = All Faults
24 Alarm Clear Method
0 = Automatic
1 = Manual
0 = Automatic
25 Boiler Operation Mode
0 = Parallel
1 = Sequential
2 = Combination
1 = Sequential