5
3. REAR MOUNTS .............................................................................................................................. 18
D. FLUSH MOUNTS (HTP Part # FP-FM) .............................................................................................. 19
INSTALLATION ................................................................................................................................... 19
E. RACK MOUNTS (HTP Part # FP-RM) ................................................................................................ 20
INSTALLATION ................................................................................................................................... 20
PART 5 – ROOF / WALL ATTACHMENT SUGGESTIONS ...................................................................... 20
A. ROOF ATTACHMENT ........................................................................................................................ 21
B. WALL MOUNTING .............................................................................................................................. 22
PART 6 – PLUMBING CONNECTIONS .................................................................................................... 23
A. TEMPERATURE SENSOR INSERTION ............................................................................................ 23
B. HEADER CONNECTION .................................................................................................................... 23
C. AIR PURGE ........................................................................................................................................ 23
1. OPEN LOOP .................................................................................................................................... 23
2. PRESSURE OPEN LOOP ............................................................................................................... 24
3. CLOSED LOOP ............................................................................................................................... 24
D. PLUMBING CHECK ............................................................................................................................ 24
E. GLYCOL FREEZE PROTECTION ...................................................................................................... 24
F. INSULATION ....................................................................................................................................... 24
G. PUMP SELECTION ............................................................................................................................ 25
PART 7 – SYSTEM PIPING DIAGRAMS ................................................................................................... 26
A. REVERSE RETURN ........................................................................................................................... 26
B. BALANCE FLOW VALVES WITH METERS....................................................................................... 27
C. PRESSURE SYSTEM PLUMBING PANEL ATTACHMENT .............................................................. 28
PART 8 – MAINTENANCE ......................................................................................................................... 28
A. CLEANING .......................................................................................................................................... 29
B. INSULATION ....................................................................................................................................... 29
C. OTHER COMPONENTS..................................................................................................................... 29
D. STAGNATION ..................................................................................................................................... 29
PART 9 – TROUBLESHOOTING ............................................................................................................... 29
A. NO HOT WATER ................................................................................................................................ 30
B. REDUCED SOLAR CONTRIBUTION ................................................................................................. 30
C. REGULAR WATER DUMPING .......................................................................................................... 30
PART 10 – INSTALLATION CHECKLIST ................................................................................................. 31
MAINTENANCE NOTES ............................................................................................................................ 32
HTP CUSTOMER INSTALLATION RECORD FORM ........................................................................ 33
