York YSCD Manual page 93

Versecon air conditioning unit
Table of Contents

Advertisement

TABLE 16 - DEFINITIONS (CONT.)
MENU ITEM
FAN OUTPUT
FAN SP % BY BAS
FAN SP BAS EN
FAN SPEED - %
FAN-S/A PRES SP
FAN-VAV/CV EN
FAULT
FLOOR STATIC
FREEZE-STAT
HEAT MOD
HEAT -R/A TMP EN
HEAT R/A TMP SP
HEAT -S/A TMP EN
HEAT S/A TMP SP
HEAT STAGE 1 / CLOSE
HEAT STAGE 2 / CLOSE
HEAT VALVE
HEAT1/CLOSE
HEAT2/OPEN
IN WATER TEMP
MIN DX PRS DROP
MIXED AIR TMP
O/A DAMPER MIN
O/A ECON EN
OFF - ON RESETS
OFF NORMAL
JOHNSON CONTROLS
This gives the status of fan operation. The status is ON whenever the output to
CV or VAV supply fan is ON.
This item identifi es the supply fan speed being sent by a BAS system (FlexSys
units only).
This item turns on the ability to send a % speed input to the supply fan VFD by
a BAS system (FlexSys unit only).
This is the input from the supply fan VFD of the % speed it is running at.
This item is used to set the supply air duct static set point for VAV units.
This item is used to select either CV or VAV supply fan operation.
The Status Screen will display this whenever an Alarm or Fault is active.
This is the static pressure under the fl oor (FlexSys units only).
This gives the status of the freeze-stat. ON indicates normal operation, OFF
indicates a fault.
This is the analog output to the modulating heat hydronic valve.
This item is used to enable and disable heating Return Air Temperature Control.
This item is used to program the return air temperature set point for heating
operation.
This item is used to enable and disable heating Supply Air Temperature Control.
This item is used to program the supply air temperature set point for heating
operation.
This is the status of the fi rst stage digital output or Triheat close output.
This is the status of the second stage digit output or Triheat open output.
This item is used to force an analog output to the hydronic heat valve.
This item is used to force the binary output to the fi rst stage of staged heat or to
close the valve when Tristate Heat is installed.
This item is used to force the binary output to the second stage of staged heat or
to open the valve when Tristate Heat is installed.
The temperature of the water entering the chilled water coil.
This item is used to program the minimum evaporator coil pressure drop and
limits the amount the by-pass damper can open. (FlexSys units only).
The temperature of the mixed air (return and outdoor air) entering the evapora-
tor coil.
This item allows the minimum ventilation setting to be programmed for an air-
side economizer.
This item allows air side economizer to be enabled.
This item can be used to reset the control when it is locked out because of an
Alarm.
This is the Status Screen display when the "ON / AUTO / OFF" toggle switch
is in the OFF position: or when the "ON / AUTO / OFF" toggle switch is in the
AUTO position and either the internal schedule in STOP or the communicated
value UNIT ENABLE is off.
DEFINITION
FORM 145.05-NOM2 (807)
Continued on next page
93
7

Advertisement

Table of Contents
loading

This manual is also suitable for:

Yscu

Table of Contents