Haier 2U18MS2VHB Installation Manual page 13

INSTALLATION INSTRUCTIONS
A. Prepare the Outdoor Unit for Installation
• Remove all packaging.
• Place supplied vibration pads onto outdoor
unit's feet.
• Use team lift to place the unit on a solid
foundation, 8" above the average snowfall.
B Attaching Drain Elbow to Outdoor Unit
• If required, attach the supplied drain elbow to
the outdoor unit. Connect extension piping as
needed (not supplied). (see illustration)
NOTE: The drain elbow is designed with an
air gap and will not sit flush to bottom of the
outdoor unit.
NOTE: 2U20EH*, 3U24EH* and 4U36EH*
models will not use a drain elbow. If
condensate management is required by code, a
3rd party pan is needed.
31-5000001 Rev. 6
Step 3 - Installation of the Outdoor Unit
C. Electrical Connections for the Outdoor
Unit
WARNING
RISK OF ELECTRIC SHOCK.
Could cause injury or death.
Make sure power is off before touching wires.
NOTE: Be certain all wiring complies with local
building codes and NEC and that the supply
voltage for this system is correct.
• Connect the wiring for both the power source
and the indoor wiring using a conduit cable
bracket on the side of the outdoor unit
• Using a wire stripper, remove the insulation
and separate the wires.
• Verify that the wiring connections match the
indoor connections wire for wire.
• Ensure each wire is under the screw terminal
plate and the plate is tightened.
• Ensure the 14/4 wire cable is secured under the
strain relief bracket.
• Verify that all connections are secured
NOTE: Failure to follow the wiring guidelines can
result in control board damage and communication
issues (E7 error code). This includes improper wire
size, use of solid core wire, midline splicing and poor
terminal connections.
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