YORK INTERNATIONAL
16
FORM 160.73-N1 (904)
INTRODUCTION
GENERAL
This instruction describes the installation of a MODEL
YK MaxE™ Liquid Chilling Unit. This unit is shipped
as a sin gle factory assembled, piped, wired pack age,
re quir ing a minimum of fi eld labor to make chilled wa ter
con nec tions, condenser water con nec tions, re frig er ant
at mo spher ic relief connections, and elec tri cal power
con nec tions. (Refrigerant and oil charges shipped
sep a rate ly unless optional condensor iso la tion valves
are ordered.)
Chillers can also be shipped dismantled when re quired by
rigging conditions, but generally it is more eco nom i cal
to enlarge access openings to accommodate the fac to ry
as sem bled unit. Chillers shipped dismantled MUST
be fi eld assembled under the supervision of a YORK
rep re sen ta tive, but otherwise installation will be as
de scribed in this in struc tion.
FIELD ASSEMBLED UNITS ONLY
Use Form 160.73-N3 in conjunction with this in stal la tion
instruction. This instruction will be furnished with all
units that are to be fi eld assembled. Extra copies may
be or dered from the York Publication Distribution
Cen ter.
The services of a YORK representative will be fur nished
to check the installation, supervise the initial start-up
and op er a tion of all chillers installed within Con ti nen tal
United States.
The YORK Warranty may be void ed
if the fol low ing re stric tions are not
ad hered to:
1. No valves or connections should be opened under
any circumstances be cause such ac tion will re sult
in loss of the fac to ry ni tro gen charge.
2. Do not dismantle or open the chiller for any
rea son ex cept under the supervision of a YORK
rep re sen ta tive.
3. When units are shipped dismantled, notify the
near est YORK offi ce in ample time for a YORK
rep re sen ta tive to supervise rigging the unit
to its op er at ing position and the as sem bly of
com po nents.
4. Do not make fi nal power supply con nec tions to the
com pres sor motor or control center.
5. Do not charge the compressor with oil.
6. Do not charge the unit with refrigerant.
7. Do not attempt to start the system.
8. Do not run hot water (110°F / 43°C max) or steam
through the evaporator or condenser at any time.
SHIPMENT
The chiller may be ordered and shipped in any of the
fol low ing forms:
Form 1 – Factory Assembled Unit, complete with
mo tor, refrigerant and oil charges.
1. The motor/compressor assembly mount ed,
with all necessary in ter con nect ing piping
as sem bled. OptiView™ Control Cen ter is
mounted on the unit. Complete unit fac to ry
leak tested, evac u at ed and charged with R-
134A.
An optional Solid State Starter or Vari able
Speed Drive can be factory mounted and
wired.
2. Miscellaneous material – Four (4)
vi bra tion isolation pads (or optional
spring iso la tors and brackets).
Form 2 – Factory Assembled Unit, complete with
mo tor (refrigerant and oil charges shipped
sep a rate ly).
1. The motor/compressor as sem bly mount ed,
with all necessary in ter con nect ing piping
as sem bled. OptiView™ Con trol Cen ter is
mounted on the unit. Complete unit fac to ry
leak tested, evac u at ed and charged with
hold ing charge of nitrogen.
An optional Solid State Starter or Vari able
Speed Drive can be factory mounted and
wired.
2. Miscellaneous material – Four (4)
vi bra tion isolation pads (or optional spring
iso la tors and brack ets).
Form 3 – Driveline Separate From Shells – Shipped
as two major assemblies. Unit fi rst factory
as sem bled, refrigerant piped, wired and
leak test ed; then dismantled for shipment.
Com pres sor/mo tor assembly removed from
shells and skidded. Evaporator/condenser is
not skid ded.
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