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Subject to change without notice. Printed in U.S.A.

 5292230-USG-B-0718

Copyright

 

© 2018 by Johnson Controls, Inc. All rights reserved.

Supersedes: 5292230-USG-A-1016

York International Corporation

5005 York Drive

Norman, OK 73069

Air Temperature Sensor Failure (California Title 

24-type Alarm)

[Fault Detect En] is set to “Enable”; one-time 

OAT and/or SAT sensor input presence has 

been detected; input to the OAT and/or SAT 

terminal is currently 0.05 volts DC or less (C 

to OAT is 11,932,327

Ω

 or more) / 3.62 volts 

DC or more (C to OAT is 207

Ω

 or less) and 

has been sustained for a period of 10 minutes 

or more

Free cooling functions are not permitted due 

to the “Outdoor Air Temperature Sensor Fail-

ure” and/or “Supply Air Temperature Sensor 

Failure” Alarm; [Outdoor Temp] and/or [Sup-

ply Temp] indicates “Out of range high”

Econ Economizing When It Should Not (Cali-

fornia Title 24-type Alarm)

Possibly caused by configuration error: [Feed-

back Min Value] is not properly set for “2 V”

[Fault Detect En] is set to “Enable”; [Damper 

Feedback] is currently greater than the 

[Damper Command] by 8% or more and has 
been sustained for a period of 10 minutes or 

more

All functions remain active/available

Econ Not Economizing When It Should (Cali-

fornia Title 24-type Alarm)

Possibly caused by configuration error: [Feed-

back Min Value] is not properly set for “2 V”

[Fault Detect En] is set to “Enable”; [Damper 

Feedback] is currently less than the [Damper 

Command] by 8% or more and has been sus-

tained for a period of 10 minutes or more

All functions remain active/available

Economizer Damper Not Modulating (Califor-

nia Title 24-type Alarm)

Possibly caused by configuration error: [Feed-

back Min Value] is not properly set for “2 V”

[Fault Detect En] is set to “Enable”; [Damper 

Feedback] is currently greater or less than 

the [Damper Command] by 8% or more and 

has been sustained for a period of 10 minutes 

or more

All functions remain active/available

Economizer Letting In Excess Outdoor Air 

(California Title 24-type Alarm)

Possibly caused by configuration error: [Feed-

back Min Value] is not properly set for “2 V”

[Fault Detect En] is set to “Enable”; when 

only minimum position functions are active, 

[Damper Feedback] is currently greater than 

the [Damper Command] required for the 

active minimum position function by 8% or 

more and has been sustained for a period of 

10 minutes or more

All functions remain active/available

Table 2: Alarm Cause And Response 

 (Continued)

Alarm

Cause

Controller Response

Table 3:

Key Default Parameter Settings For Use Of 
The Basic RRS Economizer Controller

Parameter

Default

Econ Enable

Yes

Fault Detect En

Disable

Lo Ambient En

No

Free Clg Select

Auto

Damper Min Value

2 V

Feedback Min Value

2 V

Damper Min Pos

15%

Comp Enable

Yes

Cmp Min Off Time

60sec

Cmp Min On Time

60sec

Comp 1 Lockout

Normal

Dry Bulb Stpt

55.0 F

Damper % Fan Off

20%

Equipment Type

Conv RTU

Thermostat Type

W

Comp Stages

1

Excess SAT Stpt

44.0 F

Supply Temp Stpt

55.0 F

Fan Control Type

Single Speed

Exhaust Setup

Non Modulating Control

Damper Lo Amb En

Yes

Low Ambient Stpt

0.0 F

Lo Amb Min Pos

0%

Table 3:

Key Default Parameter Settings For Use Of 
The Basic RRS Economizer Controller

Parameter

Default

Summary of Contents for RRS Economizer Controller

Page 1: ... OCC screw terminal through the Simplicity Lite OCC output pin to the RRS Economizer Controller Simplicity Lite Y1 pin to RRS Economizer Con troller Y1 pin 24 volts AC originating from ther mostat input to the Simplicity Lite Y1 screw terminal through the Simplicity Lite Y1 output pin to the RRS Economizer Controller Y1 pin input indicates there is a first stage cooling request RRS Economizer Cont...

Page 2: ...mperature coefficient thermistors Connections for the outdoor air humidity OAH portion of the OAT OAH sensor and the return air humidity portion of the optional RAT RAH sensor are located to the right of the tem perature sensor terminals on the lower edge of the RRS Economizer Controller The RRS Economizer Controller pro vides power for these sensors through the corresponding C 24 volts AC common ...

Page 3: ...l the RRS Economizer Controller boot up sequence is completed and the Cmp Min Off Time timer expires approximately 1 minute 16 seconds after power is applied to the RRS Econo mizer Controller In situations where the indoor fan cycles with cooling operation and the unit is pow ered up operation of the compressor cannot begin until the Simplicity Lite compressor ASCD expires the RRS Economizer Contr...

Page 4: ...cific parameters under the Damper Min Pos selection 2 line scrolling where the individual parameter name is listed on the top line of the display and the parameter setting value is listed on the bottom line of the display is the greatest num bered navigation Level that can be reached in each menu section FIGURE 7 Example Summary esc esc Unit Setpoints Supply Temp Stpt Supply Temp Damper Min Pos Da...

Page 5: ... the numeric setting or scroll through the list of available settings presses of the scroll down button decrease the numeric setting or scroll through the list of available settings FIGURE 10 Completing The Parameter Value Change A press of the enter button stores the new setting in the controller for immediate use and the display back light will then stop flashing to indicate setting change activ...

Page 6: ...ive connected to the USB port the enter button is pressed when at Level 1 Update Level 2 Backup location of the display menu Backing on the upper line and UP on the lower line of the display may be briefly observed immediately after the enter button is pressed While the Backup is in progress Backup Wait alternating with a countdown timer will be shown on the upper line and an increasing percentage...

Page 7: ...res toration file and then loading the change to the controller through the Restore function can be utilized when unique naming is desired FIGURE 17 Flash Files Along with Model Name the data of restoration files can be viewed and edited in spreadsheet programs such as Micro soft Excel or Open Office Calc Editing offers the means to create custom restoration files for use with the Restore func tio...

Page 8: ...oot with a countdown will be shown on the lower line of the display The controller will then reboot to complete the Restore function when the Reboot countdown reaches 0 The flash drive may be then be removed from the USB port if not needed for other functions VIEW VERSION FIGURE 19 View Firmware Version When the enter button is pressed when at Level 1 Update Level 2 View Version location of the di...

Page 9: ...sh drive having an RRS Economizer Controller firm ware update file on the top storage level connected to the USB port the enter button is pressed when at Level 1 Update Level 2 Load Firmware location of the display menu Presses of the scroll up and scroll down buttons move the cursor and scroll through the firmware update files in the top level of the flash drive storage selections The enter butto...

Page 10: ...from the USB port if not needed for other functions FIGURE 25 Screens Shown During Rebooting Process The boot up sequence initiated by Firmware Update includes an automatic Restore from the BackupConfig restoration file held in controller on board memory Note that any parame ters added by the Firmware Update process will not be affected by the automatic Restore feature and will have the factory de...

Page 11: ...e The flash drive may be then be removed from the USB port if not needed for other functions A press of the esc cancel scroll up or scroll down button will then resume menu navigation FIGURE 28 Windows PC view of Firmware Upgrade Restoration Self Test Report and Trend Files on a Flash Drive Table 1 RRS Economizer Controller Trending Value Sample Interval Max Samples SAT 5 minutes 2016 RAT 10 minut...

Page 12: ...atible flash drive connected to the USB port the enter button is pressed when at Level 1 Update Level 2 SelftestReport location of the display menu While the SelftestReport is in progress Exporting will be shown on the upper line of the display In a few seconds Export on the upper line and Done will be shown on the lower line of the display when the Self Test Report function is complete The flash ...

Page 13: ... Lite compressor ASCD expires the RRS Economizer Controller boot up sequence is completed and the Cmp Min Off Time timer expires a total minimum of approximately 6 minutes 16 seconds after power is applied to the unit If Y1 thermostat input is present Simplicity Lite will display flash code 11 during the RRS Econ omizer Controller boot up sequence and the Cmp Min Off Time timer period The descript...

Page 14: ...hat follow assume that The RRS Economizer Controller is configured for proper interaction with the Simplicity Lite board compressor control functions The controller boot up sequence is completed The Cmp Min Off Time timer has expired approxi mately 1 minute 16 seconds after power is applied to the RRS Economizer Controller There is more than 19 2 volts AC to the C and R pins The shutdown function ...

Page 15: ...h Free Clg Select set to Auto the free cooling changeover method is determined by the temperature and humidity inputs The free cooling changeover method is dual enthalpy if Outdoor Temp Outdoor Humidity Return Temp and Return Humidity inputs are available The free cooling changeover method will revert to single enthalpy if either Return Temp or Return Humidity input is not available The free cooli...

Page 16: ...g Dual enthalpy free cooling changeover requires addition of the optional return air temperature and humidity sensor Dual enthalpy free cooling changeover is based on a comparison of the Outdoor Air Enthalpy to the Return Air Enthalpy Outdoor Air Enthalpy is calculated from the Outdoor Temp and the Outdoor Humidity inputs Return Air Enthalpy is calculated from the Return Temp and the Return Humidi...

Page 17: ...OTE Compressor operation by Simplicity Lite from input to the Simplicity Lite Y2 terminal is not influenced by the RRS Economizer Controller supply air tempera ture input and Excess SAT Stpt POWER EXHAUST ERV FUNCTIONS Through the ERV EXH output pin Exhaust Fan the BASIC model of the RRS Economizer Controller provides 24 volts AC output for control of non modulating power exhaust accessories or pi...

Page 18: ...h low SAT Supply Temp indicates Out of range high Econ Controller Calibration Error Firmware files associated with the DMP out put are missing or corrupt it is likely this Alarm can be corrected through use of the Load Firmware process Minimum position functions and free cooling functions are not permitted Return Air Humidity Sensor Failure One time RAH sensor input presence has been detected inpu...

Page 19: ... minutes or more All functions remain active available Economizer Damper Not Modulating Califor nia Title 24 type Alarm Possibly caused by configuration error Feed back Min Value is not properly set for 2 V Fault Detect En is set to Enable Damper Feedback is currently greater or less than the Damper Command by 8 or more and has been sustained for a period of 10 minutes or more All functions remain...

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