7
YORK INTERNATIONAL
FORM 102.20-FA1 (1104)
Rotating parts and electrical shock
hazards exist. Lock out and tag out
the fan motor(s) and heat power
disconnects before servicing. YORK
service personnel should refer to
the “YORK Field Service Employee
Safety Manual”, 50.05-SM1. Inde-
pendent contractors refer to OSHA
Lockout/Tag out Standard, 29 CFR
1910.147. Failure to follow proper
safety precautions may result in seri-
ous injury or death.
It is recommended to cover coil fi n
area with hard board panels mounted
to coil frame to protect coil fi ns from
damage. DO NO
T touch tubing
or headers with screwdriver tips or
drills.
• Factory Mounted End Devices
(FMED) are optional at time of or-
der.
• Wireways are only present on units
where FMED are purchased.
• Unit base rails are optional at time
of order.
• When removing panels, leave
damper assemblies, air stations, etc.
attached to panels whenever possible.
Close dampers and cover air stations
to protect from damage.
Outdoor Units - Use compound seal-
ing (perma gum/butyl tape) TC-49
XL -121, .188” Thk. x 0.50”, between
raceway 0.688 flanges and panels/
roof/drain pan/pipe chase/control en-
closure.
Indoor Units - Use gasket, neoprene
0.125” Thk. x 0.50”, gray color, at door
to panel, panel to panel (vertical).
INTRODUCTION
These general breakdown instructions are for a tiered unit. Each unit may vary in confi guration and components,
therefore some portions or statements may not pertain to the unit you are working with. Refer to your YORK
International Sales Offi ce if additional information is required.
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