Valve Operation - Grundfos GRU-595916 Installation And Operating Instructions Manual

Comfort system hot water recirculation system
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5. Connect the 1/2" hose fitting from the "Hot Out" port to the left side of the faucet.
(see Picture #5)
6. Connect the 1/2" hose fitting from the "Cold Out" port to the right side of the faucet.
(see Picture #5)
7. Connect the 3/8" hose fitting from the "Hot In" port to the left angle stop valve. (see
Picture #5)
8. Connect the 3/8" hose fitting from the "Cold In" port to the right angle stop valve.
(see Picture #5)
9. Open both hot and cold water angle stop valves.
10. Valve may be mounted to the wall with supplied mounting screws if desired.

Valve Operation

If there is no hot water
Picture 5
at the faucet or there
appears to be too much
hot water on the cold
water side the following
steps will determine if
the valve is operating
correctly:
1. Close the cold water
angle stop valve below
the sink.
2. Open the cold water
faucet.
3. Water should slowly
flow from the faucet
Hot Water
Cold Water
OUT
OUT
until hot water reaches
the valve. The flow
should gradually de-
crease to a trickle of
water until no water is
Cold Water
Hot Water
IN
coming from the faucet.
IN
page 4

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