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ONLY trained and qualified service personnel are authorized to install or service this equipment. Without proper training and knowledge of such equipment, any attempt to install or service the unit could result in serious injury or even death. This manual contains important information on the use, maintenance and troubleshooting of your new heat pump. This unit must be properly installed, maintained and operated for optimal performance.This heat pump is an extremely efficient, economical machine designed specifically for swimming pool heating. It is similar in design and operation to a typical residential air conditioning system. The heat pump employs a hermetic motor/compressor operating in a refrigeration cycle to extract heat from ambient air and deliver it to the circulating pool water. As with all pool heat pumps, compared to other types of heat pumps such as gas- or oil-fired, this heat pump has lower heating capacity on a BTU/hr basis. As a result, it will be required to operate longer to accomplish the desired results. It may, at certain times, operate as much as 24 hours per day. However, this should not be of concern to the owner, because the unit is designed to operate continuously. Even though it may operate continuously for many hours, it will still heat the pool with greater economy than other types of fossil fuel heaters. Place a cover or blanket over the pool at night and other non-use periods. This will keep evaporation, the cause of the greatest heat loss, to a minimum, and will greatly reduce pool heating costs. During warmer weather, the cover may be required only at night. I. Installation Considerations WARNING Do not install the unit within 3 ft of fossil fuel burning heaters. Air intake along the sides of this heat pump could disturb the combustion process of the unit, and could cause damage or personal injury. • Mount the unit on a level, sturdy base, preferably a concrete slab or blocks. The size of the base should be at least 3 ft by 3 ft. • You must install the 4 black rubber sound isolation pads that ship with the unit. Install under the corners of the unit to reduce vibration and sound transmission to the base. CAUTION The unit’s supporting base must be high enough to keep it completely free of standing water at all times. 1 Situate the pool heat pump carefully to minimize installation costs while providing maximum efficiency of operation, and to allow adequate service access, as follows: • For unrestricted air intake and service access, position each side of the unit at least 1 ft from walls, pipes and other obstructions. • The unit is designed for outdoor installation; do NOT install it in an enclosed area such as a shed or garage, unless ventilation is provided to ensure adequate air exchange for proper operation. Recirculation of cold discharge air back into the evaporator coil will greatly reduce the unit’s heating capacity and efficiency. • This unit feature an ‘up-flow’ discharge for quiet operation. Air is pulled up through the evaporator coil and discharged through the top grill. Allow at least 8 ft clearance above the unit for unrestricted air discharge. Do NOT install the unit under a porch or deck. • To minimize water piping, locate the unit as close as possible to the existing pool pump and filter. • When installed in areas where freezing temperatures can be encountered, drain the water circuit to prevent possible freeze-up damage. See Section VII, Freeze Protection. II. Electrical Connections Refer to the unit rating plate below the control panel for precise power requirement for your unit, and for ampacity and over-current protection requirements. All wiring must be in accordance with the National Electrical Code, NFPA No. 70, latest edition, and all applicable state and local codes. NOTE: Refer to the National Electrical Code, Article 680, for general requirements for swimming pools and equipment, and to Article 440 for special considerations necessary for circuits supplying hermetic refrigeration motor/compressors. This unit is pre-wired to work with external control systems, heat-on-demand options and other external time clock overrides. Refer to the external control system’s instructions for installation information. 2 III. Water Connections CAUTION The heat pump inlet and outlet connections are NOT interchangeable. They must be connected as instructed below. 1. Connect the heat pump in the return water line between the filter and the pool. See page 10, Plumbing Diagrams. 2. Connect the filter outlet to the fitting marked WATER IN at the bottom side of the unit. Unit inlet/outlet connection fittings are 2-inch PVC unions. WATER OUT WATER IN 3. Connect the fitting marked WATER OUT to the return piping to the pool. Water connections from the heat pump to the main return line can be PVC pipe or flexible pipe approved for the purpose and, in either case, must be at least equal in size to the main pool circulation piping. 4. Operate the pump and check the unit for ...

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