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v To connect the return hose, complete the following steps:
a. Align the female hose quick-connect coupling with the male
return-manifold coupling.
Note: If you misalign the couplings or if the pressure has not been bled
from the manifold, it is difficult to connect the hose. Make sure
that the pressure has been bled, and then attempt to connect the
couplings again.
b. Pull the female collar back and move the couplings toward each other.
c. Exert pressure until the female collar locks in place with an audible click.
Note: After the couplings are engaged but before the collar has locked
into place, you can let go of the collar and use both hands to
push the hose to lock the couplings.
v To connect the supply hose, complete the following steps:
a. Align the male hose quick-connect coupling with the female
supply-manifold coupling.
Note: If you misalign the couplings or if the pressure has not been bled
from the manifold, it is difficult to connect the hose. Make sure
that the pressure has been bled, and then attempt to connect the
couplings again.
b. Pull the female collar back and move the couplings toward each other.
c. Exert pressure until the female collar locks in place with an audible click.
Note: After the couplings are engaged but before the collar has locked
into place, you can let go of the collar and use both hands to
push the hose to lock the couplings.
6. Turn on the flow of water to the heat exchanger.
Note: Depending on your facility, this might mean turning on the pump unit,
opening a valve at the pump unit, or a similar action.
Chapter 4. Installing the heat exchanger
51
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