York AHU Operation And Maintenance page 112

APPENDIX B – LONG-TERM STORAGE
6. Refrigerant coils must be evacuated and
pre-charged with 5 PSIG nitrogen holding
charge. DO NOT damage or disturb these
coils and connections.
7. Water coils must have all inlet and outlet
connections capped or closed tight to prevent
foreign materials and liquids from gaining
entrance during the storage period.
B. ELECTRICAL EQUIPMENT AND COMPO-
NENTS (Control Panels, Power Panels, Option
Panels, Motors, etc.)
E
1. lectrical Equipment and Components shall
not be stored or left in an outdoor environ-
ment.
E
2. lectrical Equipment and Components shall
not be stored or left in a wet or damp environ-
ment. Components sealed in plastic shrink-
wrap are not exempt from this requirement.
Moisture will collect inside the plastic, re-
sulting in corrosion of the cabinet, the elec-
tronic com ponents and/or copper bus bars.
3. Cortec® spray (Part VpCL-248) shall be ap-
plied to all components in the motor terminal
box. The spray shall be applied to all ex-
posed areas of concern.
4. YORK Vapor Emitter(s) shall be installed
inside each electrical and electronic compo-
nents cabinet(s) to protect against corrosion.
©2009 Johnson Controls, Inc.
112
Open ings in cabinets shall be taped closed
to minimize air infiltration during the stor-
age period. The quantity of emitters is de-
termined by measuring the gross volume of
the component space occupied. YORK Part
Number 026-37705-000 will protect a vol-
ume up to 5 cubic feet. YORK Part Number
026-37706-000 will protect a volume up to
11 cubic ft. Both emitters have a service life
of 12 months.
5. A Vapor Type Corrosion inhibitor must be in-
stalled in the following equipment and com-
ponents:
a. Place one corrosion inhibitor, YORK
part number 026-37706-000, inside the
power panel.
b. Place one corrosion inhibitor, YORK
part number 026-37705-000, inside the
control panel.
c. Place one corrosion inhibitor, YORK
part number 026-37705-000, inside
each VFD panel.
C. MECHANICAL
1. Spray all exposed shafts and sheaves with
anti-corrosion spray, YORK part number
026-37707-007.
2. Disconnect belts and wrap all motors and
sheaves in plastic with a YORK vapor emit-
ter, part number 026-37705-000.
P.O. Box 423, Milwaukee, WI 53203
www.johnsoncontrols.com
FORM 102.20-OM2
ISSUE DATE: 6/01/2015
FORM 50.20-NM3
ISSUE DATE: 09/2009
Printed in USA 50.23-NM3 (909)
Supersedes 50.23-NM3 (307)
JOHNSON CONTROLS