York YSWU 10, Quick Start Up Manual, Page: 20 / 28

ADAPTIVE MORNING WARM UP
Field Wiring
No additional connections required.
Miscellaneous Connections
No additional connections required.
Programming
Setpoints Key – Heating Subsection
• RAT HEATING SETPOINT = 50.0 – 85.0
0
F.
• MORNING WARM UP MAX TIME = 0 – 240
Min.
Program Key – Heating Subsection
• MORN WARM UP = USER ENABLED.
• ADAPT MORN WARM UP = USER ENABLED.
EMERGENCY SHUTDOWN
Field Wiring
Remove the factory supplied jumper between termi-
nals 17 and 18 of the TB1 terminal block and connect
a field-supplied normally open contacts connected to
terminals 17and 18 of terminal block TB1. Contact
must be closed for operation and open for shut down.
The 24VAC switch voltage must be
sourced from terminal 17 of terminal
block TB1. Use of another power source
external to the unit may cause equipment
damage.
Miscellaneous Connections
No additional connections required.
Programming
No programming is required.
ALARM OUTPUTS
Field Wiring
The Primary Unit Controller has the ability to close
three sets of dry contacts as a means for the customer
to identify the presents of an alarm. In order to identify
when an alarm is present, connect the external device
to terminals 15 and 16 of the TB1 terminal block.
Miscellaneous Connections
No additional connections required.
Programming
No programming is required.
PUMP OUTPUT
Field Wiring
The Primary Unit Controller has the ability to close
three sets of dry contacts which can be used to ener-
gize the condenser water control pump. To use this fea-
ture connect to terminals 9 and 10 of the TB1 terminal
block.
Miscellaneous Connections
No additional connections required.
Programming
No programming is required.
VAV HEAT
Field Wiring
The Primary Unit Controller has the ability to close
three sets of dry contacts to command the VAV boxes
to full open during morning warm up operation. To use
this feature connect to terminals 13 and 14 of the TB1
terminal block.
Miscellaneous Connections
No additional connections required.
Programming
No programming is required.
WATER ECONOMIZER FLUSH CYCLE
Field Wing
No additional connections required.
Miscellaneous Connections
No additional connectionsrequired.
Programming
Setpoints Key - Condenser Subsection
• FLUSH DELAY TIME = 0 TO 60 minutes.
Program Key - Condenser Subsection
• FLUSH CYCLE = USER ENABLED.
JOHNSON CONTROLS
20
FORM 145.05-SU3 (611)
ISSUE DATE 6/01/2011
SECTON 6 - OPTIONS