Brochure

Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
Industrial Refrigeration Products: Liquid Level Control
432
Automatic Liquid Drainer (ALD)
●
Drains Liquid Only
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Stops Flow of Vapor
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Prevents Vapor Lockup
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Built-in Strainer
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No Small Orifices
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Resists Wire Drawing
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Includes Pilot Light
●
Manual Opening Stem
Description
Used to drain liquid from defrosting evaporators or heat
recovery condensors into a lower pressure portion of the
system. Permits flow of liquid refrigerant only. Prevents flow
of vapor refrigerant.
All are heavy duty devices intended for use with Ammonia,
R-22, R-134a, R-404A, R-507 and other common refriger-
ants.
The Type ALD is a combination of a Type LLS Float Switch,
a Type S8F Solenoid Valve with Strainer and Pilot Light
Assembly, a 3/4" Hand Expansion Valve, and a 1/4" FPT
Hand Expansion Bleed Valve as well as necessary pipe and
fittings, complete for field assembly. Inlet is combination
¾" FPT or 1" butt weld. Outlet is ¾" FPT.
The rate of flow of refrigerant vapor (or liquid) through the
vent valve is dependent upon the pressure difference
between the float chamber and the Type ALD outlet
pressure. It is also possible for the ALD to maintain a
constant flow if the rate of liquid flow into the float chamber
is equal to that leaving it.
The ALD can be manually drained by using the manual
opening stem on the Type S8F solenoid valve.
Refer to Bulletin 62-01.
Dimensions
Pilot Lens
Type Coil Voltage Coil Style Light Color
Ordering Information
Lens Color
G Green (std)
R Red
A Amber
W White
Remote Pilot Light
1 PLT-1 (NEMA 1)
2 PLT-2 (NEMA 4)
ALD R 1 2 G
3/4" FPT
outlet
connection
48 cm
(18.9")
3/4" FPT or
1" WN inlet
connection
3/4"
or 1"
pipe
54 cm
(21.4")
Coil Style
1 Encapsulated
w/36" Leads
3 Industrial Open Frame
w/18" Leads
Standard
R 120/6/60
S 208/6/60
T 240/6/60
U* 230/6/50
Coil Voltage
Non-Standard
P* 115/6/50
Q* 440/6/60
* Available with industrial open frame coil only.
Technical Information, Dimensions and How to Order