Direct Expansion (Dx) Coils (No Piping Package) - Carrier 40UV Installation, Start-Up And Service Instructions Manual

NOTE: Condensate drain connection located in right end compartment.
Fig. 15 — Chilled Water Coil with Pre-Heat Coil (With
Piping Package)
NOTE: Condensate drain connection located in right end compartment
when unit is equipped with a cooling coil.
Fig. 16 — Hot Water Heating Coil Only or Chilled
Water/DX Cooling Coil with Hot Water Pre-Heat Coil
(With Piping Package)
NOTE: Condensate drain connection located in right end compartment when unit is
equipped with a cooling coil.
Fig. 17 — Chilled Water/DX Cooling Coil With Hot
Water Re-Heat Coil (With Piping Package)
DIRECT EXPANSION
PACKAGE)
1. Units with DX evaporator coils contain the refrigerant
R-410A. Review the R-410A Material Safety Data Sheet
(MSDS) for hazards and first aid measures.
2. Refrigerant charging should only be carried out by an
EPA-certified air conditioning contractor.
NOTE: R-410A refrigerant is the only approved refrigerant for
this system. The unit should be piped up in accordance with good
refrigeration and/or plumbing practices.
See Fig. 18-21 for suction and liquid line connections. For units
with a heating pipe package, see Fig. 22-25 for suction and liquid
line connections. Refer to Tables 7-9.
The outdoor condensing unit must be connected to the indoor unit
coil using field supplied refrigerant grade (ACR) copper tubing
that is internally clean and dry. Units should be installed only with
the tubing sizes for the approved system combination as specified
in the Troubleshooting table on page 23.
Condensing unit is typically factory charged for a 15 ft lineset. For
additional lineset lengths please refer to manufacturer's charging
chart.
See the installation and maintenance manual provided with the
condensing unit for installation, evacuation and system charge
information.
12
(DX) COILS (NO
CAUTION
PIPING