Connecting to Two Manifolds
•Discharge Line will be tee’d upstream of the
manifolds into expansion offsets with at least a 1
foot drop to the manifolds. Provide Purge valve at
the highest point
•Liquid Return Lines will be teed into the Main
Liquid Return Line after 6 feet of vertical drop
from the outlet stubs. Liquid Return Line will be
pitched downstream, and provide trapless
drainage to the Scroll Plus.
HUSSM ANN CORPORATION • BRIDGETON, M O 63044-2483 • Printed in USA
COMPONENT PIPING
September 1, 1997
3 - 4
Note:
•Liquid Return Lines must be free draining with no Traps
•Install Solenoid Valves inside Equipment Room
•Pump Down Line should not enter the Suction Manifold
over a Compressor Inlet
•Install Ball Valves to isolate Condenser
•All Inter-connecting Valving to be Field Supplied and Installed
Service Valve
Equalizing Line
Ball Valve
Valve Solenoid
Check Valve
Condenser Manifold
Discharge Lines
Liquid Return Lines
PD = Pump Down
Purge Valve
1/4" Tubing
PD
6-Foot
Minimum
Drop before
Tee to Main
Liquid Line
Return
(Without
Split Condenser
Piping, 3 Foot
Minimum Drop)
Suction Manifold
Turba-
Shed
To Heat
Reclaim
6-Inch
Minimum
Rise
Liquid Return
Bleed Line w/
Boil off Loops
12-Inch
Minimum
Drop
All Piping
and Valves
above this line
are field
supplied
and installed.
Bleed
Line
To
Suction
Header End
of Condenser
Bleed
Line
Split
Condenser
Valve
Heat
Reclaim
Valve
From Heat
Reclaim
Figure 3-7 Rack to Condenser, 3-Way Valve
WARNING
Vent the Receiver
Safety Relief Valve
PROPERLY.
Scroll Plus Rack
Flooding
Valve
Store Roof
Figure 3-7 — Rack to Condenser, 3-Way Valve
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