
PR1: 11/30/12 Page 97 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 (Continued)
Data
Menu Item Units and Range Default/(Comments)
OPERATING DATA REGISTERS (Continued)
1020 Operating Mode
0: Standby
1: Space Heating
2: DHW
3: Check
(Read Only)
1100 Linked BMM
Bit 0: BMM #0
to
(Read Only)
1101 Inserted BMM
Bit 0: BMM #0
to
(Read Only)
1102 BMM in Check Mode
Bit 0: BMM #0
to
(Read Only)
1103 BMM Flame Status
Bit 0: BMM #0
to
(Read Only)
1104 BMM Alarm Status
Bit 0: BMM #0
to
(Read Only)
1108
BMM Maximum Modulation Level
(Read Only)
1109 Pump Modulation Output
1200 Monitor Only
(Read Only) Global modulation level
from Cascade Manager
2n00
BMM #n Error Code
(n = 0 – 7)
(Read Only)
2n02
BMM #n Outlet Temperature
(n = 0 – 7)
14°F to 212°F (-10°C to
100°C) (Value x 10)
(Read Only)
2n08
BMM #n Actual Modulation
Level (n = 0 – 7)
(Read Only)
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