1.2 Optional Equipment
1.2.1 Coated Coil
This option provides a phenolic coating for the condenser coil (extended lead time is required for this
option; consult factory).
Pre-Charged Refrigeration Line Sets
For efficient condenser/evaporator connection, factory pre-charged line sets with quick connect fittings
are available in 15-ft. and 30-ft. (4.5m and 9m) lengths. Each set includes an insulated copper suction line
and copper liquid line, both charged with R-407C refrigerant and sealed. Line sets are only available for 1
to 3.5 Ton Units.
1.2.2 Refrigerant Line Sweat Adapter Kit
This kit includes the compatible fittings required (two for the insulated suction line and two for the liquid
line) when using field-supplied interconnecting refrigerant lines instead of the pre-charged line sets.
1.2.3 277V Step-Down Transformer
A 37.5A, 277V step-down transformer is available for 1-to 3-Ton 60Hz condensing units needing 277/1/60
input power. Apply this transformer to a 208/230/1/60 condensing unit. The transformer is coated with
epoxy and contained in an enclosed, non-ventilated electrical box with adaptable mounting brackets.
Vertiv | Liebert PFH Installer/User Guide | 2
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