
PR1: 11/30/12 Page 95 of 112
Modulex E8 Controller and BCM
Operations and Maintenance Manual
AERCO International, Inc.
100 Oritani Dr.
Blauvelt, NY 10913
Ph: 800-526- 0288
Table 9-4: BCM Standard Holding Register Address Mapping
Menu Item Units and Range Default/(Comments)
1
AERCO BMS
II/ACS Requested
Modulation Level
% (0 to 100)
A value other than 0
requests Run mode and
supersedes the value
set for Max Modulation
1017
1004 Requested Setpoint
32°F – 212°F (0°C – 100°C)
(Value x 10)
1001 System Command enum (0xAA)
0xAA: Restart Slave
1021
Heat Request
Command
(0x01, 0x33, 0x44, 0x55,
0xBB, 0xCC, 0xEE)
Space Heating
mode enabled
Space Heating &
DHW modes
enabled
Space Heating
requested & DHW
enabled
If enum is none of the above,
(Read/Write)
0x01
1022
32°F – 212°F (0°C – 100°C)
(Value x 10)
(Read/Write)
1023 Pump Control
0 = No action
1 = Switch OFF
(Read/Write)
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