Aerco Control System (ACS) User Manual download pdf (Page 121)

MC2: 04/23/13 Page 121 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 - Continued

No. COMMAND ENTRY RANGE

FACTORY

DEFAULT

Header Temperature (°F)

40 to 220

Read Only

Outside Air Temperature (°F)

-60 to 80

Read Only

Return Sensor (°F)

40 to 160

Read Only

Percent of Load (%)

0 to 100

Read Only

Header Set Temperature (°F)

40 to 220

Read Only

System Start Temperature (°F)

32 to 120

06 System Start Mode

0 = Temp Only

1 = Temp and Load

0 = Temp Only

Internal Setpt (°F)

40 to 220

160

Bldg Reference Temperature (°F)

40 to 220

70°F

Not Used

11 Reset Ratio

0.3 to 3.0

(0.1 increments)

1.2

Maximum Header Temperature (°F)

40 to 220

220

Minimum Header Temperature (°F)

40 to 220

Boiler Start Percent

25 to 100

Boiler Stop Percent

10 to 45

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

Proportional Band (°F)

5 to 100

Aux Relay Open

0 to 99

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

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 143 144

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