Aquacal AT100, AT120, H100, H120 , Table of Contents, WHAT WE NEED TO KNOW WHEN YOU CALL US................................. 20, SEASONAL USE & SHUT DOWN.................................................................... 16, GETTING YOUR HEAT PUMP STARTED & STOPPED............................ 10, GETTING FAMILIAR WITH CONTROLS.......................................................8, HOW A HEAT PUMP WORKS............................................................................7, GENERAL SAFETY INFORMATION................................................................5, IMPORTANT FEATURES OF YOUR NEW HEAT PUMP.............................4, WELCOME TO THE AQUACAL FAMILY.......................................................4

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Table of Contents
WELCOME TO THE AQUACAL FAMILY.......................................................4
IMPORTANT FEATURES OF YOUR NEW HEAT PUMP.............................4
GENERAL SAFETY INFORMATION................................................................5
WATER CHEMISTRY & TEMPERATURE FACTORS ........................................................6
Water Temperature Safety Factors........................................................................................ 6
Water Chemistry Safety Factors............................................................................................ 6
HOW A HEAT PUMP WORKS............................................................................7
GETTING FAMILIAR WITH CONTROLS.......................................................8
D IGITAL C ONTROLLER – P ANEL L AYOUT ................................................................................... 8
D IGITAL C ONTROLLER - O PERATIONAL D ISPLAYS ....................................................................... 9
GETTING YOUR HEAT PUMP STARTED & STOPPED............................ 10
I NITIAL S TART U P ..................................................................................................................... 10
H OW TO O PERATE THE C ONTROLS ............................................................................................ 10
C ONTINUOUS U SAGE AND W ATER A ROUND U NIT .................................................................... 11
R EQUIRED H OURS OF P OOL P UMP O PERATION .......................................................................... 11
T O S HUT THE U NIT O FF ............................................................................................................ 11
MAINTENANCE.................................................................................................. 12
P LANNED M AINTENANCE P ROGRAM ......................................................................................... 12
G ENERAL M AINTENANCE .......................................................................................................... 12
M AINTAINING P ROPER W ATER F LOW ....................................................................................... 13
M AINTAINING P ROPER C LEARANCES A ROUND H EATER ........................................................... 13
Recommended Clearances… Sides, Front, and Rear.......................................................... 14
Recommended Clearances… Overhead, Front, & Rear:..................................................... 15
SEASONAL USE & SHUT DOWN.................................................................... 16
D URING THE S WIM S EASON ....................................................................................................... 16
F REEZE PROTECTION / E XTENDED SHUT DOWNS ........................................................................ 16
W INTERIZING ............................................................................................................................ 16
To Winterize a Heat Pump Equipped with an Internal Drain.............................................. 16
To Winterize a Heat Pump Equipped with an External Drain ............................................ 18
TROUBLESHOOTING....................................................................................... 19
H EAT P UMP N OT R UNNING ....................................................................................................... 19
H EAT P UMP R UNNING BUT N OT H EATING ................................................................................ 19
W ATER L EAKING O UT OF THE H EAT P UMP ............................................................................... 20
WHAT WE NEED TO KNOW WHEN YOU CALL US................................. 20
APPENDIX............................................................................................................ 21
I. A QUA C AL ’ S P LANNED M AINTENANCE P ROGRAM
II. C ALCULATING I NITIAL H EATING T IME
III. O WNER ’ S I NSTRUCTIONS FOR HP7 D IGITAL H EAT P UMP CONTROLLER