6
LP-542 REV. 7.16.15
PART 10 – OPERATING SYSTEM INSTRUCTIONS ................................................................................................................ 44
A. CONTROL PANEL ................................................................................................................................................................... 44
B. LCD DISPLAY DESCRIPTIONS .............................................................................................................................................. 44
C. START-UP SEQUENCE .......................................................................................................................................................... 44
D. CHANGING THE CH SET-POINT ............................................................................................................................................ 45
E. CHANGING THE TIME ............................................................................................................................................................. 45
F. STATUS DISPLAY MODE ........................................................................................................................................................ 46
G. INSTALLER MODE .................................................................................................................................................................. 47
H. ERROR MODE ......................................................................................................................................................................... 49
I. ERROR TREE ANALYSIS ......................................................................................................................................................... 53
1. FLAME DETECTION ................................................................................................................................................................... 53
2. GAS DETECTION ....................................................................................................................................................................... 53
3. APS / BURNER OVERHEAT LIMIT / CONDENSATE BLOCK SWITCH ................................................................................... 54
4. STORAGE / OP / CH OVERHEAT / EXHAUST OVERHEAT SENSORS .................................................................................. 54
J. OUTDOOR TEMPERATURE MODE (OPTIONAL) ................................................................................................................... 54
K. 0-10 VOLT INPUT .................................................................................................................................................................... 55
PART 11 – START-UP PREPARATION.................................................................................................................................... 56
A. BOILER WATER CHEMISTRY ................................................................................................................................................ 56
B. FREEZE PROTECTION FLUIDS ............................................................................................................................................. 57
C. CHECK FOR GAS LEAKS ....................................................................................................................................................... 57
D. FILL AND TEST WATER SYSTEM .......................................................................................................................................... 57
E. PURGE AIR FROM SYSTEM ................................................................................................................................................... 58
F. CHECK THERMOSTAT CIRCUIT(S) ....................................................................................................................................... 59
G. CONDENSATE REMOVAL ...................................................................................................................................................... 59
H. FINAL CHECKS BEFORE STARTING BOILER ...................................................................................................................... 59
I. ADJUSTING GAS PRESSURE AT THE BOILER ...................................................................................................................... 59
J. SETTING AND VERIFYING THE COMBUSTION SETTING .................................................................................................... 60
PART 12 –INSTALLATION AND START-UP CHECKLIST ...................................................................................................... 61
PART 13 – TROUBLESHOOTING ............................................................................................................................................ 63
PART 14 – ANNUAL MAINTENANCE PROCEDURES ............................................................................................................ 63
REPLACEMENT PARTS ................................................................................................................................................................ 66
UFT Boiler Limited Warranty ........................................................................................................................................................ 70
START-UP REPORT ....................................................................................................................................................................... 72
MAINTENANCE REPORT .............................................................................................................................................................. 73
MAINTENANCE NOTES ................................................................................................................................................................. 76
HTP CUSTOMER INSTALLATION RECORD FORM ..................................................................................................................... 77
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