Maintain Ability to Winterize

INSTALLATION

Plumbing Requirements

Overview

When planning plumbing system layout, reference the plumbing schematics within this section as a guide to the sequence of equipment, valves, fittings, etc. The plumbing configurations for typical instal- lations are diagrammed. In operation, it is imperative the heat pump receive water flow within the minimum-maximum ranges specified for the particular heat pump. Should the system installation under consideration not closely match any of the schematics, contact AquaCal Technical Support Group for advice and guidance: (800) 786-7751.

Approved Parts and Materials

Industry technology changes much too rapidly for AquaCal to specify, with exactness, any items out- side and beyond the heat pump. What is specified is that the heater must be installed in accordance with all applicable local, state, or national codes & standards.

In-Line Chlorine Feeders

The titanium heat exchanger tube is nearly impervious to chemical damage; however, other parts of the heater may be damaged by concentrated chlorine. Caution: Per chlorinator manufacturers’ rec- ommendations, always place in-line chlorinators as low, and as far downstream from the heater as possible.

In regions where hard freeze conditions are typical, the unions mentioned below allow for easy discon- nection and re-connection of the heater from/to the plumbing system. Caution: Do not defeat the function of the unions–use no glue on the threaded portion of the unions.

Water Connections to Heat Pump

All AquaCal heat pumps are supplied with 2" PVC plumbing unions. Connection to site plumbing is made via PVC solvent cement to the female slip socket of the plumbing unions.

Maximum Static or Operating Pressure: 50-PSI

Minimum - Maximum Water Flow Rates

•All AquaCal heaters represented within this manual are designed to operate successfully at flow rates of 30-to-70 gallons-per-minute (GPM).

•Design the plumbing system to maintain at least 30-GPM flow through the heater under worst case conditions (i.e.: filter fouled to 10 psi rise); the heat pump will not operate correctly, nor reliably, with less than 30-GPM of water flow supplied. These specifications relate to heater only; code-specified whole system turnover rates must be satisfied.

•If water flow rates through the heater will exceed 70-GPM, a spring-check bypass valve will be required. Install AquaCal P.N.: 2556 5-LB bypass check valve, or bypass check valve equal to Del Industries PN: CO-0103. See drawing, top of next page, for install location in site plumbing.

•Generally speaking, most residential pools and spas will not require a plumbing bypass unless a pump of two (2) horsepower, or larger, is used. For bypass valve placement details, see plumbing schematic contained on next page: “…Flow Greater than 70-GPM.”

CAUTION !!! Installations with In-floor Cleaning Systems

In-floor cleaning systems, dependent upon varying site circumstances, may create water hammer conditions throughout the water circulation system. Water hammer is very damaging to the plumbing system and connected devices. Where an in-floor cleaning system is (or will be) installed, AquaCal strongly recommends a water hammer suppression stand pipe assembly within the plumbing circuit. For additional information, please contact AquaCal Customer Support (800-786-7751) and request Technical Service Bulletin: AQ P-1031, Water Hammer Abatement with In-Floor Cleaning Systems.

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Aquacal 135, 101, 121, 156 Overview, Approved Parts and Materials, In-Line Chlorine Feeders, Water Connections to Heat Pump
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121, 111, 101, 135, 110 specifications

Aquacal is a well-known brand in the field of heating and cooling solutions, particularly recognized for its advanced heat pump technology dedicated to pool heating. The Aquacal models 156, 110, 135, and 101,111, offer a range of features and technologies tailored to meet diverse customer needs, ensuring that pools remain at a comfortable temperature regardless of the weather outside.

One of the standout features of Aquacal heat pumps is their energy efficiency. These models are designed to operate using renewable energy, extracting heat from the air, which significantly reduces operational costs compared to traditional gas heaters. The Environmental Protection Agency (EPA) endorses heat pumps, making them an eco-friendly choice for pool heating.

Equipped with advanced digital controls, Aquacal units allow users to easily monitor and adjust settings for optimal performance. The user-friendly interface includes features such as programmable timers, which enable stakeholders to set heating schedules according to their usage patterns, providing both convenience and energy savings. The models are also designed with quiet operation in mind, featuring components that minimize noise, allowing for a peaceful poolside experience.

The Aquacal 156, 110, 135, and 101,111 models are built to withstand various weather conditions, featuring durable casings and components that resist corrosion. This durability is crucial for outdoor installations, ensuring that the units have a long service life with minimal maintenance.

Another key characteristic of these heat pumps is their capacity to function effectively in a wide range of temperatures. This adaptability allows them to provide consistent heating performance even during cooler weather conditions, ensuring that users can enjoy their pools year-round.

Furthermore, Aquacal heat pumps are designed for ease of installation, often fitting into existing plumbing setups without significant modifications. This feature makes them an attractive option for both new pool installations and retrofitting existing systems.

In conclusion, the Aquacal 156, 110, 135, and 101,111 models represent a versatile and energy-efficient choice for pool heating. With their advanced technologies, user-friendly features, and durable construction, they cater to a variety of preferences, making them a popular selection among pool owners looking to maintain comfortable swimming conditions while remaining mindful of energy consumption and costs.
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