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RT-SVN044A-EN

Table 4. Controller menu structure

Menu

Parameter

Parameter
Default Value

Parameter
Range and
Increment

(a)

Parameter
Recommended
Value

(b)

Notes

ECON AVAIL

(c)

NO

YES/NO

N/A

YES = economizing available; the
system can use Outdoor Air for free
cooling when required.

ECONOMIZING

(c)

NO

YES/NO

N/A

YES = Outdoor Air being used for 1st
stage cooling.

OCCUPIED

(c)

NO

YES/NO

N/A

YES = OCC signal received from space
thermostat or unitary controller.
YES = 24 Vac on terminal OCC
No = 0 Vac on terminal OCC.

HEAT PUMP

N/A

COOL

HEAT

N/A

HEAT PUMP is not available.

COOL Y1-IN

(c)

OFF

ON/OFF

N/A

Y1-I signal from space thermostat or
unitary controller for cooling stage 1.
ON = 24 Vac on term Y1-I
OFF = 0 Vac on term Y1-I

COOL Y1-OUT

(c)

OFF

ON/OFF

N/A

Cool Stage 1 Relay Output to
mechanical cooling (Y1-OUT terminal).

COOL Y2-IN

(c)

OFF

N/A

N/A

COOL Y2-IN is not available.

COOL Y2-OUT

(c)

OFF

N/A

N/A

COOL Y2-OUT is not available.

MA TEMP

(c)

_ _._ ºF

-40 to 140°F

N/A

Displays value of measured mixed air
from MAT sensor. Displays –.- if not
connected, short, or out- of-range.

STATUS

DA TEMP

_ _._ ºF

-40 to 140°F

N/A

DA TEMP is not available.

OA TEMP

(c)

_ _._ ºF

-40 to 140°F

N/A

Displays measured value of outdoor
air temperature. Displays –°F if sensor
sends invalid value, if not connected,
short or out-of-range.

OA HUM

(c)

_ _ %

0 to 100%

N/A

Displays measured value of outdoor
humidity from OA Sylk Bus sensor.
Displays –% if not connected, short, or
out- of-range.

RA TEMP

(c)

_ _._ ºF

0 to 140°F

N/A

Displays measured value of return air
temperature from RA Sylk Bus sensor.
Displays –°F if sensor sends invalid
value, if not connected, short or out-
of-range.

RA HUM

(c)

_ _ %

0 to 100%

N/A

Displays measured value of return air
humidity from RA Sylk Bus sensor.
Displays –% if sensor sends invalid
value, if not connected, short or out-
of-range.

IN CO

2

(c)

_ _ _ ppm

0 to 2000 ppm

N/A

Displays value of measured CO

2

from

CO

2

sensor. Invalid if not connected,

short or out-of-range. May be adjusted
in Advanced menu by Zero offset and
Span. 0-10 Vdc CO

2

sensors require

CO

2

ZERO to be 400 and CO

2

SPAN to

be 1600 in Advanced Setup menu.

DCV STATUS

(c)

N/A

ON/OFF

N/A

Displays ON if above setpoint and OFF
if below setpoint, and ONLY if a CO

2

sensor is connected.

DAMPER OUT

(c)

2.0V

2.0 to 10.0 V

N/A

Displays output voltage or position to
the damper actuator.

(d)

ACT POS

(c)

N/A

0 to 100%

N/A

Displays actual position of actuator.

E

Ecco

on

no

om

miizze

err C

Co

on

nttrro

olllle

err

Summary of Contents for BAYECON355 Series

Page 1: ...d or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that...

Page 2: ...r p pr ro op pe er r P PP PE E f fo or r t th he e j jo ob b b be ei in ng g u un nd de er rt ta ak ke en n c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i in...

Page 3: ...ri ig ge er ra an nt t h ha an nd dl li in ng g e et tc c W Wh he er re e l lo oc ca al l r re eg gu ul la at ti io on ns s a ar re e m mo or re e s st tr ri in ng ge en nt t t th ha an n t th he es...

Page 4: ...he Keypad When Working with Menus 9 Time out and Screensaver 9 Controller Menu Structure 9 Sequence of Operation 15 Initiation of Operating Modes 16 Economizer Setup and Configuration Field and Factor...

Page 5: ...nspection for Concealed Damage Visually inspect the components for concealed damage as soon as possible after delivery and before it is stored If concealed damage is discovered Notify the carrier s te...

Page 6: ...installation Economizer Side Post Side Post 5 Connect the unit harness to the economizer harness See the figure that follows Additionally connect the green purple white and orange loose wires with mal...

Page 7: ...orange wire is provided for a fault alarm relay or light When the controller s AUX1 OUT is set to SYS this wire will provide 24V when a fault is detected See Figure 7 p 7 Figure 7 Low voltage control...

Page 8: ...emperature sensor is a system critical sensor if it is removed during the set up mode the controller will alarm After 60 minutes the controller will change to Operation mode and all components removed...

Page 9: ...the currently displayed item Press the button to increase change the displayed parameter value Press the button to decrease change the displayed parameter value N No ot te e When values are displayed...

Page 10: ...e OA TEMP c _ _ _ F 40 to 140 F N A Displays measured value of outdoor air temperature Displays F if sensor sends invalid value if not connected short or out of range OA HUM c _ _ 0 to 100 N A Display...

Page 11: ...80 F increment by 1 32 F Setpoint determines outdoor temperature when the mechanical cooling cannot be turned on Commonly referred to as the Compressor lockout At or below the setpoint the Y1 O will n...

Page 12: ...by CFM With 2 speed fan units VENTMIN L low speed fan and VENTMIN H high speed fan settings are required Default for VENTMIN L is 2 5V and VENTMIN H is 2 25V ERV OAT SP 32 F 0 to 50 F increment by 1...

Page 13: ...l briefly flash YES and change to NO but all parameters will change to factory default values MA LO SET c 45 F 35 to 55 F increment by 1 F 45 F Temp to activate Freeze Protection close damper or modul...

Page 14: ...increments 5 Minutes When in economizing mode this is the delay for the high speed fan to try to satisfy the call for second stage cooling before the first stage mechanical cooling is enabled DAMPER...

Page 15: ...are active The menu title ALARMS _ includes the number of active alarms in parenthesis Sequence of Operation Table 5 Dry bulb operation no DCV CO2 sensor 1 speed fan DCV OA Good to economize Y1 I FAN...

Page 16: ...cool when the damper is at 100 open The Economizer mode is controlled by the MAT getting above the MAT SET setting while the OAT is below the DRYBLB SET setting While the fans are not controlled by t...

Page 17: ...ot te e When using the enthalpy Sylk Bus sensors there will be a slight delay while the controller and the sensor communicate Analog sensors do not communicate on the Sylk Bus and output a 20k ohm sig...

Page 18: ...t all wiring connections at the Economizer module s terminals and verify compliance with the installation wiring diagrams For checkout review the status of each configured parameter and perform the ch...

Page 19: ...sh hu ut td do ow wn n b be et tw we ee en n c ch he ec ck ko ou ut t t te es st ts s c co ou ul ld d r re es su ul lt t i in n c co om mp pr re es ss so or r d da am ma ag ge e D Do o n no ot t s sh...

Page 20: ...20 RT SVN044A EN Figure 11 Ultra low leak economizer wiring diagram E Ec co on no om mi iz ze er r C Co on nt tr ro ol ll le er r...

Page 21: ...RT SVN044A EN 21 N No ot te es s...

Page 22: ...22 RT SVN044A EN N No ot te es s...

Page 23: ...RT SVN044A EN 23 N No ot te es s...

Page 24: ...formation please visit trane com or americanstandardair com Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and spec...

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