HTP 850 LPHL - Manual (Page 6)

6
LP- 205 REV. 3.28.14
J. OPTIONAL HIGH GAS PRESSURE SWITCH .......................................................................................................................... 41
K. OPTIONAL LOW GAS PRESSURE SWITCH .......................................................................................................................... 41
L. OPTIONAL FLOW SWITCH ...................................................................................................................................................... 41
M. OPTIONAL UL353 LOW WATER CUT-OFF INTERFACE KIT ................................................................................................ 42
N. WIRING OF THE CASCADE SYSTEM COMMUNICATION BUS ............................................................................................ 42
O. CASCADE MASTER PUMP AND SENSOR WIRING .............................................................................................................. 43
P. CASCADE FOLLOWER PUMP AND SENSOR WIRING ......................................................................................................... 44
PART 8 – START-UP PREPARATION...................................................................................................................................... 47
A. CHECK / CONTROL WATER CHEMISTRY ............................................................................................................................. 47
B. FREEZE PROTECTION (WHEN USED) .................................................................................................................................. 48
C. FILL AND TEST WATER SYSTEM .......................................................................................................................................... 48
D. PURGE AIR FROM WATER SYSTEM ..................................................................................................................................... 48
E. CHECK FOR GAS LEAKS ........................................................................................................................................................ 49
F. CHECK THERMOSTAT CIRCUIT(S) ........................................................................................................................................ 49
G. CONDENSATE REMOVAL ...................................................................................................................................................... 49
H. FINAL CHECKS BEFORE STARTING BOILER ....................................................................................................................... 49
I. CASCADE SYSTEM .................................................................................................................................................................. 50
PART 9 – START-UP PROCEDURE ......................................................................................................................................... 51
A. OPERATING INSTRUCTIONS ................................................................................................................................................. 51
B. ADJUSTING THE SET POINT .................................................................................................................................................. 51
C. STATUS MENU ........................................................................................................................................................................ 52
D. TEST MODE ............................................................................................................................................................................. 53
PART 10 – START-UP PROCEDURES FOR THE INSTALLER ............................................................................................... 53
A. PROGRAMMING FOR THE INSTALLER ................................................................................................................................. 53
B. PROGRAM ACCESS ................................................................................................................................................................ 53
C. PROGRAM NAVIGATION ........................................................................................................................................................ 53
PART 11 – TROUBLESHOOTING ............................................................................................................................................ 56
A. ERROR CODE .......................................................................................................................................................................... 56
B. BOILER ERROR ....................................................................................................................................................................... 56
C. BOILER FAULT ........................................................................................................................................................................ 56
PART 12 – MAINTENANCE ...................................................................................................................................................... 59
A. MAINTENANCE PROCEDURES .............................................................................................................................................. 59
B. COMBUSTION CHAMBER COIL CLEANING INSTRUCTIONS FOR HEATER ...................................................................... 60
BOILER START-UP REPORT ................................................................................................................................................... 67
MAINTENANCE REPORT ......................................................................................................................................................... 67
MAINTENANCE NOTES .................................................................................................................................................................. 71
HTP CUSTOMER INSTALLATION RECORD FORM...................................................................................................................... 72