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York YK Service Manual

Name: York YK
Brand: York
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24 pages

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MODEL YK (MODEL D & E)

CENTRIFUGAL LIQUID CHILLERS

SERVICE INSTRUCTIONS

VARIABLE SPEED

OIL PUMP DRIVE

Supersedes: Nothing

Form 160.52-M2 (899)

00130VIP

Table of Contents2
Vsd Oil Pump General Information3
VSD Oil Pump Style Variations3
VSD Oil Pump Drive Overview3
Known Problems3
Variable Speed Oil Pump Drive Operation Model D Chiller4
Microcomputer Control Center Operation4
Automatic Speed Control6
Manual Speed Control8
Programming8
Micro Board Changes9
Standby Lubrication9
Safety Shutdowns10
High Oil Flow10
Oil Pump Operation after Power Failures10
Diagnostic Software - Digital Outputs10
Fault Indications from the Vsop Drive11
Oil Pump Drive Status LED11
VSOP Drive Okay Relay11
Auto-Resettable Shutdowns11
Non-Auto-Resettable Shutdowns12
Troubleshooting Guide13
Drive Replacement Instructions14
Most Frequently Asked Questions16
Remote Keypad Unit17
Operating Instructions17
Service Parts List17
Vsd Oil Pump General Information18
Objective18
VSD Oil Pump Drive Overview18
Safety Shutdowns19
Pressure Setpoint Not Achieved the Safety Shutdown OIL - VARIABLE SPEED PUMP - PRESSURE SETPOINT NOT ACHIEVED Has Replaced the Message for HIGH OIL FLOW19
Diagnostic Software19
VSOP Drive Okay Relay19
Auto Re-Settable Shutdowns19
Non Auto Resettable Shutdowns19
Troubleshooting20

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York YK Specifications

General

Brand	York
Model	YK
Category	Chiller
Language	English

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