507787-01C
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Page 12 of 22
Sealing the Unit
installed in an unconditioned area.
If installed in an unconditioned space, sealant should be
sealing strips, caulking, or equivalent sealing method
Use duct tape and/ or Permagum to seal closed any
any gaps or holes in the cabinet.
Electrical Connections
supplies before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical
shock.
in one opening.
Electric Shock Hazard. Can cause injury or
death. Unit must be properly grounded in
pole contactors. Disconnect all remote electric
Electric Shock Hazard.
Can cause injury or death.
Foil-faced
insulation
has
conductive
characteristics similar to metal. Be sure there
insulation. If the foil-faced insulation comes in
provide a path for current to pass through
to the outer metal cabinet. While the current
produced may not be enough to trip existing
electrical safety devices (e.g., fuses or circuit
breakers), the current can be enough to cause
an electrical shock hazard that could cause
personal injury or death.
•
Wiring must conform to the current National Electric
Code ANSI/NFPA No. 70, or Canadian Electric Code
Part I, CSA Standard C22.1, and local building codes.
for minimum circuit ampacity and maximum over-
current protection size.
•
protection are to be supplied by the installer. Refer
to the air handler rating plate for maximum over-
as operating voltage. Select the proper supply circuit
17 in the National Electric Code, ANSI/NFPA No. 70 or
tables 1 through 4 in the Canadian Electric Code, Part
I, CSA Standard C22.1.
•
•
single phase, 60 cycles. For 208-volt applications, see
“208 Volt Conversion” later in this section.
