Test and Fill the Closed Loop

!WARNING: Under no circumstances can any fluid other than Hartgard be used, alternate fluids could be hazardous to your health.

Closed Loop Fluid The closed loop must be filled ONLY with Hartgard solution and potable water.

Each system closed loop is to be filled with one bottle of Hartgard and the balance potable water.

When mixed, the approximate Hartgard concentration is 20%.

Material Safety Data

Service Temperature Range

-40°F to 300°F

Freezing Point -50°F

Boiling Point	212°F
Flash Point	218°F

Fluid Color

Light Blue

First Aid

•Eye Contact: Irrigate with water for 5 minutes

•Skin Contact: Wash with flowing water or shower

•Inhalation: No adverse effects

•Ingestion: No adverse effects

•Advice to Doctor: Treatment based on judgement of doctor in response to patient reaction

Disposal of Fluid

Reprocess or burn in an approved

Auto Ignition Temperature

> 750°F

incinerator in accordance with Federal/State/Local code requirements.

Test and Fill Procedure

!CAUTION: On new construction, Do Not fill storage tank and/or charge the closed loop system until the water heater is ready for use. Cover the collectors until the system is filled and charged. Place a tag on the system if it s not filled and charged.

	• Remove the Fill Plug from the collector
	fill assembly.	• Now remove the
		• Now remove the
	• Remove PR6	hose from the Fill
	Jacket Relief Valve	Assembly and
	from the tank.	replace the Fill
	• Connect a 1/2”	Plug.
	• Connect a 1/2”
	hose and fill the
	closed loop with	• Connect a bicycle
	water.	• Connect a bicycle
	water.	pump to the Test
		pump to the Test
	• Continue filling	Block and
	until the water	pressurize the
	overflows from the	Closed Loop to
	PR6 Jacket Relief	11.6 psi.
	Valve port and air
	bubbles stop.
		• Check all
		connections for any
	• Fit the Test Block	evidence of leakage.
	into the PR6 Port.

	• Ensure that the
• Fit the PR6 Jacket	pressure remains
Relief Valve onto	constant at 11.6 psi
the Test Block.	for at least 10
	minutes.

RS47-21BP, RS80-42BP specifications

The Rheem RS47-21BP and RS80-42BP are innovative water heater solutions designed to meet the diverse needs of modern households. These models incorporate advanced technologies to enhance efficiency, performance, and user convenience.

The Rheem RS47-21BP is a 47-gallon heat pump water heater that provides a strong balance between performance and energy savings. One of its standout features is its impressive energy efficiency rating. This model utilizes heat pump technology harnessing ambient heat from the air to heat water, drastically reducing energy consumption compared to traditional electric water heaters. This results in lower utility bills and a smaller carbon footprint, making it an environmentally conscious choice.

On the other hand, the RS80-42BP is a larger 80-gallon heat pump water heater suitable for families with higher hot water demands. It offers a similar energy-efficient operation as the RS47-21BP but with an increased capacity. This model is perfect for households that require a reliable supply of hot water for multiple simultaneous uses, such as showers, dishwashing, and laundry. The unit's size is designed to cater efficiently to larger families or higher demand scenarios, making it an ideal choice for busy homes.

Both models are equipped with advanced smart technology, allowing the user to monitor and control the water heater remotely through a smartphone application. This feature provides real-time data on water usage and energy consumption, empowering users to manage their hot water needs proactively. Furthermore, the intuitive interface makes it easy to adjust settings, helping households maximize efficiency.

Additionally, Rheem has incorporated protective features in both models, including an intelligent self-diagnostic system that assists in troubleshooting. The LED display offers clear indications of operational status, making maintenance straightforward. Both units come with durable construction, designed to resist corrosion and prolong their lifespan.

Overall, the Rheem RS47-21BP and RS80-42BP represent the forefront of water heating technology, combining efficiency, smart technology integration, and ample capacity. These water heaters are not only reliable but also contribute significantly to energy savings, catering to both small and large household needs effectively.