DEMA
®
MODEL 294DC FOAMER & 294DC-DS DROP
STATION FOAMER
INSTALLATION INSTRUCTION
Form I-739 Page 1 of 7
Rev. F-40211
NOTE:
294DC-DS is intended for use with another mixing device and to be used as a foaming drop station.
1.
PARTS
A.
Foamer Assembly
B.
Plastic chemical supply tubing w/ foot valve and ceramic weight
C.
Metering tip kit
D.
Outlet hose 25’ long (optional accessory)
E.
Shut-off valve (optional accessory)
2.
MOUNTING
Hold the unit in position on the wall and locate the positions for the mounting screws. Drill holes in wall
approximately 1” deep and insert mounting anchors. Install top 2 mounting screws, leaving approximately
1/8” extension between the wall and screw head. Mount the Foamer unit by inserting the screw heads through
the keyhole slots in the cover and tighten the screws. Screw the bottom 2 screws into the wall to secure.
Note: Attach proper air supply fittings before mounting unit to wall. See caution warning in Section 3
for air inlet.
3.
INSTALLATION
This product is designed only to be used as described in this instruction sheet. Adhere to all warnings and
cautions identified in this document.
WARNING:
Installations must conform to all local and national plumbing codes and use
approved backflow prevention and pressure relief devices where required.
ALWAYS DISCONNECT DISPENSER FROM WATER SOURCE WHEN DISPENSER
IS NOT IN USE.
Always read SDS for all chemicals used and follow personal protective guidelines.
A.
Water inlet is 3/4” garden hose swivel.
B.
Air inlet is 1/4” NPT.
CAUTION: When tightening air supply fittings into the ball valve, be sure to
secure the ball valve with a wrench or other similar tool. Avoid rotating ball valve when tightening
air supply fittings.
C.
Foam outlet is 3/4” garden hose. Attach shut-off valve to the end of the hose. See Table 1 for hose
limitations.
D.
Detergent can be drawn directly from any chemical container, which may be set on the floor. The unit
should be mounted no more than 6’ above the chemical container; greater lifts reduce injection capacity.