Specifications
Pool Spill 0ver Spa – One Pump System Pool Spill 0ver Spa – Two Pump System
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3.4 Water Flow and Plumbing Setup
All EVOHEAT heat pumps have a factory preset internal water ow switch. If there is
insufcient water ow the heater will not operate.
Before connecting the heater to the plumbing, all piping must be thoroughly ushed
to ensure no debris can enter the heater. Failure to remove pipe debris can jam or
damage the ow switch and may cause damage to the heater.
When cleaning the pool it is advisable to turn off your heater as restricted water ow
may cause the heater to shut down and indicate low water ow fault (P08 error).
Typical plumbing layouts
Heater spacing
minimum, 24"
Multiple Heat Pump Installation
LEGEND
3 – 3 way valve
C – Chlorinator (if used)
D – Drain
F – Filter
H – Heat Pump
P – Pump
R – Return
S – Skimmer
– Flow Switch (ADT Kit)
– Throttle valve
– Thermometer
– By-Pass Check Valve
– Flow Meter