4
LP-200 REV. 3.25.14
L. WIND STRESS.......................................................................................................................................................................... 11
M. SNOW LOAD ........................................................................................................................................................................... 12
N. HAIL RESISTANCE .................................................................................................................................................................. 12
O. STORAGE TANKS ................................................................................................................................................................... 12
P. THERMAL EXPANSION (CLOSED LOOP SYSTEMS) ............................................................................................................ 12
PART 4
– SPECIFICATIONS ..................................................................................................................................................... 13
PART 5 - INSTALLATION ......................................................................................................................................................... 15
A. INSTALLATION CHECKLIST ................................................................................................................................................... 15
B. SOLAR WATER HEATER LOCATION ..................................................................................................................................... 16
PART 6
– PIPING ...................................................................................................................................................................... 16
A. POTABLE WATER PIPING ...................................................................................................................................................... 16
B. WATER CHEMISTRY REQUIREMENTS ................................................................................................................................. 17
C. POTABLE WATER PIPING DETAIL ......................................................................................................................................... 18
D. SOLAR HEAT EXCHANGER PIPING ...................................................................................................................................... 19
E. TANK SENSOR PLACEMENT ................................................................................................................................................. 19
F. NECESSARY COMPONENTS FOR SOLAR WATER HEATER INSTALLATION .................................................................... 19
G. SOLAR WATER HEATER WITH BOILER BACK-UP ............................................................................................................... 22
H. SOLAR WATER HEATER WITH ELECTRIC BACK-UP ........................................................................................................... 23
I. BOILER BACK-UP HEAT EXCHANGER CONNECTION (SB MODELS ONLY) ....................................................................... 24
J. BOILER TANK CONTROL ........................................................................................................................................................ 24
K. CIRCULATOR SIZING .............................................................................................................................................................. 24
L. BOILER BACK-UP HEAT EXCHANGER (SB MODELS ONLY) ............................................................................................... 24
M. ELECTRICAL CONNECTION (SE MODELS ONLY) ............................................................................................................... 25
N. THERMOSTAT ADJUSTMENT ................................................................................................................................................ 26
O. COMBINATION “THERMOSTAT AND HIGH LIMIT CONTROL (ECO)” .................................................................................. 26
PART 7 - FLUID QUALITY ........................................................................................................................................................ 26
A. SOLAR LOOP FLUID QUALITY ............................................................................................................................................... 26
B. FLUID SAFETY LABELING ...................................................................................................................................................... 26
C. FREEZE PROTECTION ........................................................................................................................................................... 26
PART 8
– START-UP PREPARATION...................................................................................................................................... 27
A. CHARGING THE SYSTEM ....................................................................................................................................................... 27
B. COMMISSIONING THE SYSTEM ............................................................................................................................................ 27
PART 9
– SERVICE/MAINTENANCE PROCEDURES ............................................................................................................. 28
A. SHUTDOWN PROCEDURES ................................................................................................................................................... 28
B. VACATION SHUTDOWN .......................................................................................................................................................... 28
C. ESTIMATED LIFE OF COMPONENTS .................................................................................................................................... 28
D. TEMPERATURE AND PRESSURE RELIEF VALVE................................................................................................................ 28
PART 10 - TROUBLESHOOTING ............................................................................................................................................. 29
A. LEAKS ...................................................................................................................................................................................... 29
B. OTHER PROBLEMS ................................................................................................................................................................. 29
C. OPERATING SUGGESTIONS FOR THE USER ...................................................................................................................... 29