CenCon
4
TABLE OF CONTENTS
GENERAL OVERVIEW...................................... 6
HARDWARE INFORMATION ............................ 6
COMPUTER CONNECTION ............................. 7
KEYPAD ................................................. 10
DISPLAY SCREENS ..................................... 11
HOME SCREEN ....................................... 11
HEATING ............................................. 11
COOLING ............................................. 11
ECONOMIZER ........................................ 12
CENCON ANALOG I/O .............................. 12
CENCON DIGITAL I/O .............................. 12
HEATING ANALOG I/O ............................. 12
HEATING DIGITAL I/O ............................. 12
COMMUNICATION ................................... 13
SETTINGS ............................................ 13
ALARMS .............................................. 13
TERMINAL DESCRIPTION ............................. 14
OPERATION ............................................... 15
MODE SELECTION ..................................... 15
OCCUPIED / UNOCCUPIED ........................ 15
FAN CONTROL ......................................... 15
VARIABLE AIR VOLUME ............................ 15
AIR PROVING SWITCH .............................. 15
WARMUP/COOLDOWN ............................. 15
DAMPER CONTROL .................................... 16
MAKE UP AIR ........................................ 16
DAMPER END SWITCH .............................. 16
AMBIENT COMPENSATION ......................... 16
ECONOMIZER ........................................ 16
MINIMUM POSITION................................. 17
CALIFORNIA BUILDING ENERGY EFFICIENCY -
TITLE 24 ............................................. 17
HIGH AMBIENT LOCKOUT ......................... 17
INDOOR AIR QUALITY ......
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LOW LIMIT............................................. 17
HEATING ............................................... 17
GAS FIRED HEATING............................... 18
COOLING .............................................. 18
GENERAL TIMING ..................................... 18
TEMPERATURE CONTROL ........................... 19
ROOM OR RETURN THERMOSTAT ............... 19
REMOTE SETPOINT ................................ 19
BMS SETPOINT ..................................... 19
ALARM DESCRIPTION ................................ 20
ALARM RESET ......................................... 20
EXPANSION MODULES (XM) ............................ 23
WIRING CONCERNS .................................. 21
MODULE GROUNDING ............................. 21
COMMUNICATION WIRING ........................ 21
COMMUNICATION WIRE GROUNDING ........... 22
J-XM ....................................................... 23
BASIC OPERATION .................................... 24
TERMINAL DESCRIPTION ............................ 25
J-XM / CD-XM TIMING ............................... 26
J-XM COMBUSTION SETUP .......................... 27
GAS ACTUATOR CALIBRATION ................... 27
COMBUSTION OFFSETS ........................... 27
ALARM DESCRIPTION ................................ 29
G-XM ...................................................... 30
BASIC OPERATION .................................... 30
G-XM TIMING.......................................... 31
TERMINAL DESCRIPTION ............................ 31
G-XM COMBUSTION SETUP ......................... 32
GAS AND AIR ACTUATOR CALIBRATION ....... 32
COMBUSTION OFFSETS ........................... 32
ALARM DESCRIPTION ................................ 34
M-XM ...................................................... 35
BASIC OPERATION .................................... 35
