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6
Hydronic piping
Installation Instructions
To achieve the optimum operating efficiency of your AQUAS
it is recommended that you keep the pool water flow of each
appliance within plus or minus five gallons per minute of
the recommended flow as stated in Table 6A. Low flow
through the indirect heat exchanger will result in elevated
temperatures supplied to the pool.
Table 6A Recommended Water Flow
RECOMMENDED
MODEL
SYSTEM
WATER FLOW
285
70 GPM
36
CONNECTION SIZE
2.5"
Installation & Operation Manual
Piping
Pool / spa connections to the indirect heat exchanger are SCH 80
CPVC glue fittings. The connections from the field loop to the
heat exchanger may be done in CPVC or PVC pipe as follows:
•
Use cement on the connections so they are rated for CPVC
pipe and have enough body to hold the connection.
•
To make the connection, apply glue to both the CPVC flange
and the section of pipe.
•
Insert the pipe into the flange until it reaches the bottom of
the flange.
•
Turn the pipe a half turn in the socket to ensure that a proper
seal is made.
Pool water is designed to flow from right to left standing in front
of the boiler (factory installed sensor is on the inlet side of the
indirect heat exchanger, see FIG. 6-4).
The supply and return water piping to the indirect heat exchanger
shall be no smaller than 2" for model 285.
Throttling Valve
A T of 8° - 10°F across the indirect heat exchanger is
recommended. Throttling valves are used to set the flow through
the indirect heat exchanger (standard gate valves are acceptable).
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