York Y33 User Manual download pdf (Page 94)

246653-YTG-E-0108

94 Johnson Controls Unitary Products

The control will use a Wall Sensor that has a warmer/cooler

dial so the occupants can offset the programmed setpoint by

a programmed amount between 1 and 5 degrees.

The control will have a Supply Air Sensor as standard.

The control will have a Return Air Sensor as standard.

The control will have an Outside Air Sensor as standard.

The control will use the Return Air Sensor in place of the

Space Sensor if the Space Sensor fails for any reason, the

control will have a 365 day Real Time Clock.

The Real Time Clock will be able to do automatic Daylight

Savings Time adjustment.

The control will have an Occupancy Schedule that allows two

different Occupied schedules per day for each of the seven

days of the week individually.

The control will have 20 Holiday Schedules, each capable of

99 days.

The control's Holiday Schedules will have a start time associ-

ated with each schedule.

The control will control the Economizer directly.

The control will be capable of operating the Economizer using

Dry Bulb, Outside Enthalpy, or Differential Enthalpy.

When the control is using Enthalpy to control the Economizer,

it will also have an Outside Air Temperature enable Setpoint.

The control will use two setpoints for Supply Air Temperature

for the Economizer operation. One will be for a small space

cooling demand and one for a large space cooling demand.

The control will have the ability to do Demand Ventilation

using one CO

sensor.

The control will have a programmable maximum Outside Air

Damper Position for IAQ operation.

The control will have the ability to temper the ventilation air

during times when heating or cooling is not required.

The control will have the ability to offset the operating set-

point based on high Humidity in the Space.

The control will have programmable limits when offsetting the

Operating Setpoint to control Humidity.

The control must be able to lockout Cooling below a program-

mable Outside Air Temperature Setpoint.

The control will be able to lockout Heating above a program-

mable Outside Air Temperature Setpoint.

The control will have a Space Temperature Alarm.

The control will have a Supply Air Temperature Alarm for

Heating and Cooling. The Alarm temperature will be pro-

grammable

The Control will be able to do a Pre-Occupancy Purge at a

Programmable Time.

The control will have a hardware Smoke-Purge input.

The control will have the ability to read a dirty filter switch

The control will have the capability of reading a Fan proving

switch.

The control will have an intelligent recovery function that will

bring the space to the Occupied Setpoint just before or at the

beginning of the first Occupied schedule each day. The con-

trol will learn and apply the minimum run time required to heat

or cool the space to setpoint for the first Occupied period of a

day.

The control will have Software controllable Mode Switches

(Heat, Cool, and Fan).

The control will meter and track Unoccupied Override Time

for billing purposes.

OPTIONAL COMMUNICATION TRANSLATOR

Overview

The ModLINC translator operates as a Modbus

Client pro-

viding an interface between a BACnet

control system and

devices that communicate using the Modbus

RTU protocol.

The ModLINC is preconfigured to provide an interface to

YORK UP products equipped with an Intelli-Comfort or Sim-

plicity-Elite controller and allows monitoring and control by a

third-party BACnet

Building Automation System (BAS).

The ModLINC mounts inside the control panel of the UP unit

and utilizes 24 VAC power from the unit's control transformer.

One port is connected to the UP controller. The other port

must be connected to the BACnet

network.

The ModLINC translator is preconfigured to obtain opera-

tional data points from the controller and expose them on a

BACnet

network.

"The ModLINC device is primary a control offered and config-

ured by York's ESG (Engineering Systems Group). The

device can be used with other BACnet

MS/TP systems, but

a qualified controls contractor must be involved. UP cannot

support the ModLINC device beyond its hardware functional-

ity and cannot guarantee functionality with the ISN or other

third party BAS devices."

Please refer to the ModLINC Installation/Application manual

Part Number 126367.

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