Oper Data Quick Reference List; Table 10 - Operation Data - York YCWL0056SE Installation Operation & Maintenance

Water-cooled liquid chillers
Table of Contents

Advertisement

SECTION 7 – UNIT CONTROLS
Refer to the section on Condenser Fan Control in SEC-
TION 8 – UNIT OPERATION for more information.
The fifth message displays current as sensed by the op-
tional current feedback circuitry. The display reads out
in amps along with the DC feedback voltage from the
module. Current is calculated by:
225A x Actual Volts
5 Volts
Individual displays will be present for each system, if
CURRENT FEEDBACK ONE PER SYSTEM is pro-
grammed under the OPTIONS key. Combined com-
pressor current for each system is displayed.

Oper Data Quick Reference List

The following table is a quick reference list for infor-
mation available under the OPER DATA key.
126

TABLE 10 - OPERATION DATA

Oper Data Key
Leaving & Chilled Liquid Temps
Ambient Air Temperature
System 1 Discharge & Suction Pressure
*System X Accumulated Hours
*System X Accumulated Starts
Load and Unload Timers
Cooling Demand Steps
(Return Chilled Liquid Control Only)
Temp Rate & Temp Error
(Leaving Chilled Liquid Control Only)
Lead System Indicator
Evaporator Heater Status
Evaporator Water Pump Status
Active Remote Control
Current Feedback One Per Unit
*System X Compressors Status
*System X Run Time
*Sys X LLSV & HGSV Status
*System X Condenser Fan Stage
(This message is not applicable
to a YCWL chiller.)
Current Feedback One Per System
FORM 201.26-NM1
ISSUE DATE: 1/19/2018
JOHNSON CONTROLS

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents