Need help?Do you have a question about the Alto AS-H50Y and is the answer not in the manual?
Details on where and how to install the heat pump unit safely and effectively.
Information on installing an optional flow switch for added safety and system protection.
Setting the desired pool water temperature using the control panel buttons.
Configuration for the heat pump's automatic defrosting cycle duration.
Adjusting the duration for the defrosting process based on ambient conditions.
Selecting between heating, cooling, or other operational modes for the heat pump.
Setting the evaporator pipe temperature threshold for initiating defrosting.
Choosing between energy-saving economy mode and continuous standard operation.
Managing an integrated electric back-up heater via the control panel.
Automatic restart capability of the heat pump after a power interruption.
How the unit automatically defrosts its evaporator fins in cold conditions.
Heat pump operation during filter backwashing and pool cleaning.
Temporary bypass procedure for a faulty flow switch.
Factors influencing the time required to heat a swimming pool.
Benefits and recommendations for using pool covers with heat pumps.
The lowest ambient air temperature at which the heat pump can operate.
Information regarding refrigerant leaks and the need for topping up.
Guidance on the optimal distance for installing the heat pump relative to the pool.
Recommended pH, alkalinity, hardness, and chemical levels for pool water.
Step-by-step guide for safely preparing the heat pump for winter storage.
Steps for recommissioning the heat pump after winter or storage.
Annual service recommendations for optimal heater efficiency and longevity.
Pre-call checks and information to provide when reporting a heat pump fault.
To Next Page
General