Class1 FoamLogix 2.1A & 1.7AHP REV D - Manual (Page 40)

FoamLogix, Model 2.1A and 1.7AHP Class “A”
Electronic Foam Proportioning Systems
40
Align the indexing pin of the saddle clamp to the
indexing hole of the spacer to align the saddle
clamp mount.
Secure with four 1/2” machine screws, no lock
washers. Torque to 8.5 in.-lbs. (1.0 N-m).
Align the paddle wheel indexing pin to the indexing
hole in the spacer and secure using four 3/4”
screws and lock washers. Torque to 7.5 in.-lbs. (0.9
N-m).
Apply a small amount of grease to the saddle
clamp gasket before the final installation of the
assembly onto the pipe. Firmly tighten the saddle
clamp onto the pipe.
Foam Pump Flush System
The flushing water hose must be a minimum of 1/2”
(12 mm) inside diameter. The flush water supply
is provided from one of the pressure taps on the
discharge side of the fire pump.
It must be reduced to 50 PSI (3.5 BAR). It is
recommended to installed a check valve at the
pressure tap to prevent contamination.
FOAM CONCENTRATE PLUMBING
CAUTION!
MAKE SURE THE FOAM TANK AND FOAM CON-
CENTRATE SUCTION HOSES ARE CLEAN BE FORE
MAKING FINAL CONNECTION TO FOAM PUMP.
FLUSH TANK AND HOSES PRIOR TO MAKING
CONNECTIONS.
MAKE SURE THE FOAM CONCENTRATE IS
GRAVITY FED FROM THE TANK TO THE PUMP.
Foam concentrate plumbing consists of:
❑
Foam concentrate suction hose
❑
Foam strainer
❑
Foam concentrate discharge hose
❑
Check valve/injector fitting.
Foam Strainer Connection
CAUTION!
THE FOAM CONCENTRATE STRAINER ASSEM-
BLY, MOUNTED ON THE FOAM PUMP INLET, IS A
LOW PRESSURE DEVICE. IT WILL NOT WITH STAND
FLUSHING WATER PRESSURE. IF FLUSHING
WATER IS TO BE PROVIDED THE PRESSURE MUST
BE LIMITED TO 50 PSI (3.5 BAR).
The strainer/valve assembly has 1/2” (12mm) NPT
female threaded ports. A 1/2” hose barb fitting is
supplied to connect the 1/2” ID hose, provided with
the Hale Foam-Logix 2.1A installation kit.