Owners Manual Quantum Energy Technologies
Figure 5: Hydraulic Connections To Pool Heater
Showing shut-off by-pass valves (Optionally fitted by plumber to isolate the heater)
Quantum Heater Unit
OUT
IN
CL
FLT
Heated Water To Pool
Cold Water From Pool
Optional
Shut-off
By Pass
All Pipes Are 40 mm PVC
CL
FLT
LEGEND
Water Circulation Pump
Suggest 0.5 HP
Chlorinator
Pool Filter
3Way Isolating Valves
(Optional)
Barrel Unions
Important Note
Pool Heaters have an internal automatic by-pass
system and do not require the external by-pass for
operation. However, if desired, an external
by-pass can be plumbed in for use if the heater is
disconnected or to isolate it from the hydraulic
circuit. In this way water would still flow but not
through the heater unit. When the heater is in
operation, this by-pass
must not be used i.e. the 3
way valves must be set to channel the full flow
through the heater unit and nothing via the
external by-pass.
3g: Building Heating
3g.1: System Volume
It is important to have adequate water volume in the system to provide an opportunity for the
water heater to sense a load change, adjust to the change and stabilize. As the expected load
change becomes more rapid, a greater water volume is needed. The system water volume is the
Document Number : QDC0049PD-5 Page 14 of 33
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