York YHAU-CL Series - FIGURE 60 - Purge Unit

JOHNSON CONTROLS
134
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 7 – MAINTENANCE
V20
V10
Gas Separator
Purge
Tank
Purge
Pump
Oil
Separator
AP
M
SV1
SV2
V14
Vacuum
Gauge
V13
V11
Purge
Tank
Press
Sensor
V5
V12
V15
V19
V18
V21
V16
T/C6
T/C5
PI2
T/C4
T/C2
P/T1
RTD2
T/C1
RTD1
P/T2
LVS1
T/C3
RTD3
33˚C
54.2wt%
77˚C
57.3wt%
69˚C
54.2wt%
LD27809_UL
Refrigerant Blow
Solenoid Valve
Chilled Water
Cooling Water
Hot Water
Refrigerant
Diluted Solution
Concentrated Solution
Evaporator
(Upper)
Evaporator
(Lower)
Hot Water
Control Valve
(P2)
(P1)
(P3)
Absorber
(Lower)
Absorber
(Upper)
Condenser
Generator
Solution Heat
Exchanger
161.6 °F
194 °F
80.6 °F
89.6 °F
42.8 °F
53.6 °F
PURGING
PATTERN
USE OPERATION
VALVE OPERATION/LOCATION
V10, V11 V13, V16 V14 V21 V20
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 × ×
FIGURE 60 - PURGE UNIT