Remote setpt mode, Operation – AERCO BMS II BOILER User Manual

Page 49

OPERATION

3-17

REMOTE SETPT MODE

Perform the procedure described for the CONSTANT SETPT MODE and then continue with the steps
described below:

MENU & OPTION

ACTION

1. FIELD ADJUST MENU



HEADER SET MODE

Set to REMOTE SETPT



HDR HIGH LIMIT

Enter the maximum temperature for the Remote Setpoint input
(this will be the temperature equivalent to a 20 mA input) Default
= 200°F



HDR LOW LIMIT

Enter the minimum temperature for the Remote Setpoint input
(this will be the temperature equivalent to a 4 mA input) Default =
40°F



REMOTE SIGNAL

Select 4-20 mA (default) or MODBUS



2. CONFIGURATION MENU



FAIL SAFE MODE

Set to CONSTANT SETPT if you want to maintain a Constant
Setpoint temperature in the event that the Remote signal is lost.
(Default = SHUTDOWN)



3. CALIBRATION MENU

Required Only For Modulex Installations



LOAD START PCT

Enter a Value 2% Below the BLR START LEVEL