CenCon
5
M-XM / P-XM TIMING ................................. 35
TERMINAL DESCRIPTION ............................. 36
M-XM BURNER SETUP ................................. 37
MAXITROL VALVE ................................... 37
GAS ACTUATOR CALIBRATION .................... 37
ALARM DESCRIPTION ................................. 38
C-XM ....................................................... 39
BASIC OPERATION .................................... 39
C-XM TIMING ........................................... 39
TERMINAL DESCRIPTION ............................. 40
STAGED COMPRESSORS ............................ 41
AMBIENT CONDENSER FANS....................... 41
LOW AMBIENT LOCKOUT .......................... 41
H-XM ....................................................... 42
BASIC OPERATION .................................... 42
TERMINAL DESCRIPTION ............................. 42
HIGH AMBIENT LOCKOUT ......................... 43
S-XM ........................................................ 44
BASIC OPERATION .................................... 44
S-XM TIMING ........................................... 44
OPERATION NOTES ................................... 45
TERMINAL DESCRIPTION ............................. 45
ALARM DESCRIPTION ................................. 46
ER-XM ...................................................... 47
BASIC OPERATION .................................... 47
TERMINAL DESCRIPTION ............................. 48
ALARM DESCRIPTION ................................. 48
CD-XM ..................................................... 49
BASIC OPERATION .................................... 49
P-XM....................................................... 50
BASIC OPERATION .................................... 50
Appendix A - Thermistor Output Table ............. 52
Appendix B - Maxitrol Valve Adjustments .......... 53
Appendix C – Startup Checks ......................... 54
Appendix D - Service Issues ........................... 54
CenCon Specific ...................................... 54
READ AND SAVE FEATURES ...................... 54
COMMUNICATION ALARM ......................... 54
ERRATIC BEHAVIOR ............................... 54
HARD RESET BUTTON ............................. 54
Miscellaneous......................................... 55
COMBUSTION ANALYSIS .......................... 55
POOR PILOT SENSING ............................. 55
REGULATOR RESPONSE ........................... 55
WATER AND ICE FROM COMBUSTION ........... 55
MANIFOLD PRESSURE ............................. 55
CUSTOMER INSTALLED SENSORS ................ 55
SPEED SENSOR – DJ................................ 56
TOP LOADING ...................................... 56
AIR BALANCING .................................... 56
Appendix E – DJ/DG Fuel Curve Development ..... 57
Combustion Record - DJ ............................ 58
Combustion Record - DG ........................... 59
Combustion Record – HE ............................ 60