AERCO BMS II BOILER User Manual
Page 6
CONTENTS
iv
TABLE OF CONTENTS (cont.)
3.5 SETUP MENU ................................................................................................................................................ 3-6
ENTER PASSWORD ........................................................................................................................................ 3-6
Date and Time Menu Options ............................................................................................................................ 3-6
3.6 RS232 MENU .................................................................................................................................................. 3-7
RS232 MODE.................................................................................................................................................... 3-7
RS232 BAUD RATE ......................................................................................................................................... 3-7
MODBUS ADDRESS ....................................................................................................................................... 3-7
NETWORK TIMEOUT .................................................................................................................................... 3-7
MODBUS PASS THRU .................................................................................................................................... 3-7
3.7 RS485 MENU .................................................................................................................................................. 3-7
RS485 BAUD RATE ......................................................................................................................................... 3-8
MIN SLAVE ADDR ......................................................................................................................................... 3-8
MAX SLAVE ADDR ........................................................................................................................................ 3-8
NUMBER NETWK BLRS ................................................................................................................................ 3-8
MODBUS CNTL TYPE .................................................................................................................................... 3-8
NETW BOILER Xx ADDRESS= Yyy (Where Xx = 01 – 32; Yyy = 001 – 127) ............................................ 3-8
3.8 FIELD ADJUST MENU. ................................................................................................................................ 3-8
HEADER SET MODE ...................................................................................................................................... 3-8
HDR HIGH LIMIT ............................................................................................................................................ 3-8
HDR LOW LIMIT ............................................................................................................................................. 3-9
INTERNAL SETPT .......................................................................................................................................... 3-9
RESET RATIO .................................................................................................................................................. 3-9
BLDG REF TEMP ............................................................................................................................................ 3-9
REMOTE SIGNAL ........................................................................................................................................... 3-9
OFFSET ENABLE ............................................................................................................................................ 3-9
Offset Menu Options ......................................................................................................................................... 3-9
Setting Up An Offset Schedule ........................................................................................................................ 3-10
Manual Offset .................................................................................................................................................. 3-10
3.9 CONFIGURATION MENU .......................................................................................................................... 3-10
BOILER OP MODE ........................................................................................................................................ 3-10
SYS INTLK CONFIG ..................................................................................................................................... 3-11
BLR START LEVEL ...................................................................................................................................... 3-11
BLR STOP LEVEL ......................................................................................................................................... 3-11
MAX POWER INPUT .................................................................................................................................... 3-11
FAIL SAFE MODE ......................................................................................................................................... 3-11
3.10 TUNING MENU ......................................................................................................................................... 3-12
PROPORTIONAL BND ................................................................................................................................. 3-12
INTEGRAL GAIN .......................................................................................................................................... 3-12
DERIVATIVE GAIN ...................................................................................................................................... 3-13
HDR TEMP DEADBND ................................................................................................................................. 3-13
3.11 RELAY MENU ........................................................................................................................................... 3-13
SYS START TEMP ......................................................................................................................................... 3-13
SYS START OPTION ..................................................................................................................................... 3-13
SYS START INTLK ....................................................................................................................................... 3-13
AUX RELAY OPEN ....................................................................................................................................... 3-13
AUX RELAY CLOSE ..................................................................................................................................... 3-13
FAULT ALRM RELAY.................................................................................................................................. 3-14
FAULT ALARM BLRS .................................................................................................................................. 3-14
FAULT ALRM CLEAR .................................................................................................................................. 3-14
3.12 CALIBRATION MENU ............................................................................................................................. 3-14
HDR SENS OFFSET ....................................................................................................................................... 3-14
OUTD SENS OFFSET .................................................................................................................................... 3-14
4 - 20 MA OFFSET ......................................................................................................................................... 3-14
RETN SENS OFFSET ..................................................................................................................................... 3-14
RAMP UP %/MIN ........................................................................................................................................... 3-15