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5

JOHNSON CONTROLS

FORM 145.05-SU2 (1207)

This Quick-Start Guide indicates required field wiring 

and minimum programming to provide proper unit 

operation.  This guide does not include required basic 

installation practices discussed in the Installation, 

Operation, and Maintenance manual, Form 145.05-

NOM1.  The IOM should be reviewed to ensure all 

proper procedures and safety precautions are followed 

when installing the equipment.

In addition, any system alarms indicated by the User 

Interface should be diagnosed as referenced in the 

Installation, Operation, and Maintenance manual 

– refer to Faults and Alarms in the Service section of 

the manual.

QUICK START GUIDE – VERSECON - WATER COOLED

This Quick-Start Guide is indexed according to unit 

type and options.  Units are categorized as either 

Constant Volume, Variable Air Volume, or FlexSys.  

Refer to the applicable section for the required wiring 

and programming.

References to “Programming” indicates the setpoints 

that should be programmed/verified, under the 

Setpoints

” section of the User Interface.

Unit options should be programmed based on the unit 

configuration ordered from the factory.

Summary of Contents for VERSECON YSWU Series

Page 1: ...AIR CONDITIONING UNITS New Release Form 145 05 SU2 1207 VERSECON Indoor Upflow Self Contained Air Conditioner YSWU 10 105 Ton Water Cooled Indoor Downflow Self Contained Air Conditioner YSWD 10 105 T...

Page 2: ...ls This individual will also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are used in...

Page 3: ...t YORK Applied Systems Service office It is the responsibility of operating service personnel to verify the applicability of these documents to the equipment in question If there is any question in th...

Page 4: ...SUPPLY AIR AND RETURN AIR TEMPERATURE CONTROL 8 SUPPLY FAN OPERATION 9 SUPPLY FAN DUCT STATIC PRESSURE 9 FLEXSYS 10 COOLING SUPPLY AIR TEMPERATURE CONTROL 10 COOLING RETURN AIR TEMPERATURE CONTROL 10...

Page 5: ...d by the User Interface should be diagnosed as referenced in the Installation Operation and Maintenance manual refer to Faults and Alarms in the Service section of the manual QUICK START GUIDE VERSECO...

Page 6: ...t Connect the wire of a shielded twisted pair to the terminal of the Network Port Programming Go to the Daily Sched section of the User Interface Change the Daily Schedule Status to OFF CONDENSER WATE...

Page 7: ...e return air temperature the unit will try to maintain COOLING SUPPLY AIR AND RETURN AIR TEMPERATURE CONTROL This feature allows the unit to control the staging of the compressor based on either the t...

Page 8: ...Temp En must be set to ON The default is OFF AC Econ R A SP set point must be pro grammed The default value is 75 0 F This is the return air temperature the unit will try to maintain COOLING SUPPLY AI...

Page 9: ...C The default value is 1 0 WC of SPSensors The control has the capability to use one or two duct static sensors If a single sensor is used this value would be set to 1 If two sensors are used this val...

Page 10: ...temperature the unit will try to maintain COOLING SUPPLY AIR AND RETURN AIR TEMPERATURE CONTROL This feature allows the unit to control the staging of the compressor based on either the temperature di...

Page 11: ...ed to Avg the control will compare the average of the two sensors to the Fan S A Pres SP and control the speed of the VFD based on these values SUPPLY AIR PROVING SET POINT The Unit Control monitors t...

Page 12: ...of the User Interface AC S A Dew En must be set to ON FLEXSYS DEW POINT TEMPERATURE CONTROL AC S A Dew Min set point must be pro grammed The default value is 48 0 F This is the lowest supply air tempe...

Page 13: ...a return air temperature The default value is OFF Econ Valve Min This parameter establishes the minimum position of the water side econo mizer valve The parameter can be set between 0 and 100 The defa...

Page 14: ...A Econ En This parameter must be set to ON The default value is OFF Econ S A Tmp En This parameter must be set to ON if you want the water side economizer to be controlled by a supply air temperature...

Page 15: ...1 Heat R A Tmp En must be set to ON The default is OFF Heat R A Tmp SP set point must be pro grammed It can be set between 40 0 F and 90 0 F The default value is 72 0 F This is the return air tempera...

Page 16: ...value is 72 0 F This is the return air temperature the unit will try to maintain Tele 800 861 1001 www york com P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed...

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