Carrier EVERGREEN HFC-134A - Manual (Page 29)

29
COOLER
CONTROL CENTER
COOLER REFRIGERANT
PUMPOUT VALVE
COOLER CHARGING
VALVE
USE CONDENSER
CHARGING
VALVE TO ADD
CHARGE
DISCHARGE ISOLATION
VALVE (OPTIONAL)
STORAGE
TANK LIQUID
VALVE
OIL
SEPARATOR
PUMPOUT
CONDENSER
WATER SUPPLY
AND RETURN
PUMPOUT
CONDENSER
STORAGE TANK
VAPOR VALVE
2 3
4 5
PRESSURE
RELIEF SAFETY
VALVE
PUMPOUT
COMPRESSOR
6
SERVICE VALVE ON
PUMPOUT UNIT = SERVICE VALVE ON
CHILLER (FIELD
SUPPLIED) =
= MAINTAIN AT LEAST 2 FT (610mm) CLEARANCE AROUND
STORAGE TANK FOR SERVICE AND OPERATION WORK.
10
7
COOLER INLET
ISOLATION VALVE
1a
1b
11
COOLER
CONTROL CENTER
COOLER REFRIGERANT
PUMPOUT VALVE COOLER INLET
ISOLATION VALVE
COOLER CHARGING
VALVE
CONDENSER
CHARGING
VALVE
DISCHARGE ISOLATION
VALVE (OPTIONAL)
OIL
SEPARATOR
PUMPOUT
CONDENSER
WATER SUPPLY
AND RETURN
PUMPOUT
CONDENSER
2 3
4 5
PRESSURE
RELIEF SAFETY
VALVE
PUMPOUT
COMPRESSOR
SERVICE VALVE 1a
SERVICE VALVE ON
PUMPOUT UNIT =
SERVICE VALVE ON
CHILLER =
7
1a
1b
11
Fig. 40 — Optional Pumpout System Piping Schematic with Storage Tank
(Configured to Pull Vapor out of Chiller or to Charge Chiller from Storage Tank)
Fig. 41 — Optional Pumpout System Piping Schematic without Storage Tank
(Configured to Store Refrigerant in Cooler or Condenser)
a23-1544
a23-1545