2 | P a g e
Fan Mode ............................................................................................................................................ 22
Constant Low Fan Circulation ............................................................................................................. 22
Condenser Lockout ............................................................................................................................. 22
Pump Exerciser .................................................................................................................................... 23
SERVICE AND MAINTENANCE .............................................................................................23
Filter .................................................................................................................................................... 23
Coils ..................................................................................................................................................... 23
Fan and Motor .................................................................................................................................... 23
TROUBLESHOOTING ............................................................................................................24
Removing blower/control assembly ................................................................................................... 24
Thermostat call error .......................................................................................................................... 24
External pump does not run ............................................................................................................... 24
External pump is noisy at start-up ...................................................................................................... 24
Water heater temperature and pressure relief valve is weeping ...................................................... 24
Insufficient or no heat ......................................................................................................................... 25
Cold water at hot faucet ..................................................................................................................... 25
Fan runs for cooling but not for heating ............................................................................................. 25
Heating during standby mode ............................................................................................................ 25
WARRANTY ............................................................................................................................25
All technical information subject to change without notice.
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