76
so the complete system will not have to be
reclaimed/evacuated.
Suction Filter Removal Instructions
1. Shut down operation of the unit
2. Close both shut-off valves to isolate
the suction filter
3. Reclaim the refrigerant from the
suction filter section
4. Remove the bolts from the suction
filter end plate
5. Remove the pleated filter assembly
6. Replace the suction filter end plate
and bolts
7. Evacuate the suction filter assembly
to 300 microns
8. Open both shut-off valves
Refrigerant-to-Water Heat Exchanger
Condenser water pump, condenser water
piping, cooling tower or geothermal loop,
pressure gauges, strainers, piping insulation
and all components of the waterside piping
must be field installed.
Water-Source Heat Pump Applications
Water-source heat pump units using 100%
outside air must have electric preheat if the
application has a potential for operation with
air entering the indoor coil below 43°F with
a water loop temperature of 70°F.
Open Loop Applications
This product contains one or more
refrigerant-to-water heat exchangers made of
316 Stainless Steel. 316 Stainless Steel is
subject to severe corrosion and failure when
exposed to chlorides.
Water-source heat pump units using
100% outside air must have electric
preheat if the application has a
potential for heat pump heating
operation with air entering the indoor
coil below 43°F with an entering water
loop temperature of 70°F.
Failure of the condenser as a result of
chemical corrosion is excluded from
coverage under AAON Inc. warranties
and the heat exchanger
manufacturer’s warranties.
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