Rheem RS47-21BP, RS80-42BP Test and Fill the Closed Loop, Test and Fill Procedure

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
• Remove PR6	hose from the Fill
Jacket Relief Valve	Assembly and
from the tank.	replace the Fill
• Connect a 1/2”	Plug.
hose and fill the
closed loop with	• Connect a bicycle
water.
	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.

27