DDR OT/BACIP Gateway
DDRA 015 v1.1 04/2010
19
Communication Points for
MCA PRO /
C230 ECO-A
/
310 Control
Variable
Read/
Write
Units
Gas 310
ECO
C230
/
MCAPRO
Boiler water temperature
R
⁰
C /
⁰
F
✔
✔
Current Modulation level (boiler modulation)
R
%
✔
✔
Outside Temperature
R
⁰
C /
⁰
F
✔
✔
Return Water Temperature
R
⁰
C /
⁰
F
✔
✔
Flue Gas Temperature
R
⁰
C /
⁰
F
✔
Boiler Heat Exchanger Temperature
R
⁰
C /
⁰
F
✔
Boiler Fan Speed
R
Hertz
✔
Water Pressure
R
Bar / PSI
✔
✔
Boiler Fault (no fault / fault)
R
0/1
✔
✔
Flame Status (no flame / flame)
R
0/1
✔
✔
Service Required (not req'd / req'd)
R
0/1
✔
✔
Lockout - Reset
R
0/1
✔
✔
Low Water Pressure
R
0/1
✔
✔
Gas/Flame Fault
R
0/1
✔
✔
Air Pressure Fault
R
0/1
✔
✔
Water Over-Temperature
R
0/1
✔
✔
Units (Metric/Imperial,
⁰
C /
⁰
F, Bar/PSI)
W
0/1
✔
✔
Set-point (Either Boiler Temp. or Modulation, see Control
Method)
W
⁰
C /
⁰
F
✔
✔
Control Method (Setpoint - Boiler Temp / Modulation
Controlled)
W
0/1
✔
✔
