Installation manual
Table Of Contents
- General Information
 - Commissioning
 - Operation
 - Network Management Card
 - CM Display
 - Maintenance
 - Troubleshooting
 

11Pumped Refrigerant System Operation and Maintenance
Pumped Refrigerant System Piping Diagram 
Item Description Item Description
Sight glass
ORD valve
Filter dryer
Receiver
Refrigerant pump output temperature sensor
!
Liquid level sensor
Check valves
"
Refrigerant HXGR output temperature sensor
Refrigerant pump 2 output pressure sensor
#
Refrigerant HXGR output pressure sensor
Refrigerant pump 1 output pressure sensor
$
Condenser
Isolation valves
%
Refrigerant HXGR input temperature sensor
Pump 2
&
Two-way water ball valves
Pump 1
'
Leaving water temperature sensor
Refrigerant subcooler output temperature sensor
(
Entering water temperature sensor
Subcooler
na3346a
Cooling 
modules
Chilled water 
supply
RDU










