Johnson Controls RRS Economizer Controller User Manual

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

Johnson Controls RRS Economizer Controller Specifications

General

Brand	Johnson Controls
Model	RRS Economizer Controller
Category	Controller
Language	English