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11
JOHNSON CONTROLS
FORM 145.05-NOM2 (807)
1
2
3
4
5
6
7
U - Upflow
0
D - Downflow for FlexSys
W - Water Cooled
A - Air Cooled
C - Chilled Water Cooled
S - Self-contained
Y - York
3
9
Nominal Tonnage
Base Product Type
BASE MODEL NUMBER
YSWU039 - YORK Versacon Water Cooled, Upflow, 39 Nominal Tons
YSWU - YORK Floor X Floor, Water Cooled, Upflow
YSAU - YORK Floor X Floor, Air Cooled, Upflow
YSCU - YORK Floor X Floor, Chilled Water Cooled, Upflow
YSWD - YORK Floor X Floor, Water Cooled, Downflow
YSAD - YORK Floor X Floor, Air Cooled, Downflow
YSCD - YORK Floor X Floor, Chilled Water, Downflow
ABOUT THIS MANUAL
This manual applies to Versecon Models YSCD/
YSCU012 to YSCD/YSCU090. This manual provides
specifi c instructions for installation, owner mainte-
nances, and troubleshooting.
Due to the dedication of continuous product improve-
ment and enhancements, the information provided is
subject to change without notice
DESCRIPTION OF UNIT
Versecon, the indoor vertical self-contained air con-
ditioner is the ultimate solution addressing the energy
effi ciency, reliability, indoor air quality, and sound
concerns for commercial, industrial and institutional
buildings. Versecon offers a simple system design,
increases system redundancy by providing individual
air conditioning systems per fl oor, lowers maintenance
costs, eases operation and maintenance and provides the
lowest life cycle cost available. Based on these features,
the self-contained unit has surpassed the traditional
chillers, air handlers and rooftop systems and is now
the system of choice.
Models YSCD/YSCU012 to YSCD/YSCU090. are fac-
tory assembled and tested, water-cooled packaged air
conditioning units designed for ducted applications.
Each unit contains a chilled water coil, plenum supply
fan, belt drive, fan motor, pleated fi lters and all neces-
sary operating and required safety controls to operate
the unit.
All rigging, installation, power and control wiring ex-
ternal to the unit, and condenser water and condensate
piping are the responsibility of the installer.
NOMENCLATURE
TABLE 1 – ACRONYM CHART
ACRONYM TEXT
AO
Analog Output
AFS
Air Flow Switch
DHS
Duct High Static Switch
DSP
Duct High Pressure Sensor
DO
Digital Output
IN
Universal Input
LCD
Logic Controller Display
MSF
Supply Fan Relay
OLSF
Supply Fan Overload
PM
Phase Monitor
PWS
Power Supply
RSF
Supply Fan Relay
S
Toggle Switch
T
Transformer
VFD
Variable Frequency Drive
SAT
Supply Air Temp
MAT
Mixed Air Temp
AFS
Air Flow Switch
DHS
Duct High Static
RAT
Return Air Temp
1
SECTION 1 – INTRODUCTION
Содержание YSCD
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Страница 107: ...107 JOHNSON CONTROLS FORM 145 05 NOM2 807 8 FIG 13 WIRING DIAGRAM EXPANSION CONTROL BOARD LD13011 ...