6
ENVISION POOL HEATER INSTALLATION MANUAL
Field connections must comply with national and local
codes. The work must be done by a qualified electrician.
The pool heater must be permanently grounded and
bonded.
Use copper conductors only.
Disconnect all power sources before performing any work
on unit.
Standard Power Supply: 230/60/1
Electrical Connections
Wiring Main Power Supply
Remove the screws from the plastic front panel, located 1.
on the control display side of the unit.
Remove the screws from the front panel of the control 2.
box.
Route weather tight flexible conduit through the 3.
opening at the base of the unit. Connect conduit to the
bottom of the electrical control enclosure to accept
either a 3/4 in. or 1 in. fitting. Mounting conduit directly
to the electrical control enclosure will ensure a moisture
tight seal, extending the life of the heater.
Attach grounding conductor to the ground lug provided 4.
inside the electrical control enclosure.
Install L1 and L2 input conductors to the input lugs of 5.
the compressor contactor.
Connect bond wire (at least #8 solid copper wire) from 6.
bond lug on the right side of coil header plate to the
pool pump bonding terminal or other suitable location.
NOTE: According to NEC 680-22, all metal surrounding a
pool including pumps, handrails, rebar, etc. must be bonded
together to eliminate any difference in potential between
the parts. If a pool is properly installed, it has a bonding
grid established.
NOTES: HACR circuit breaker in USA only. All fuses Class RK-5.
Model
Rated
Voltage
Voltage
Min/Max
Compressor
Fan Motor
FLA
Total Unit
FLA
Min
Circ Amp
Max
Fuse/HACR
RLA LRA
AC-1750B
230/60/1 207/254 26.9 134.0 2.8 29.7 36.4 60
Electrical Data
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