York YHAU-CW - FIGURE 52 - YHAU-CW Steam Fired Chiller Flow Diagram

JOHNSON CONTROLS
135
SECTION 7 – MAINTENANCE
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
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FIGURE 52 - YHAU-CW STEAM FIRED CHILLER FLOW DIAGRAM
PURGING
PATTERN
USE OPERATION
VALVE OPERATION/LOCATION
V10 V11 V14 V13 V16
A Check capacity of vacuum pump – × ×
× ×
B Direct purging from absorber
Preparation × ×
×
Starting purging × ×
C Manual purging from purging tank
Preparation
× × ×
Starting purging
× ×
D Automatic purge of the purging tank
× ×
: Open valve. X: Closed valve.