MEES20K028
PWF
Y
-P-N
MU-E-
BU, P-N
M
U-E2-
A
U
39
10. ACCESSORIES
AIR TO WATER
10. ACCESSORIES
PWFY
(A) Install the strainer at the water pipe inlet.
(B) This insulation is for exclusive use with the strainer. Wrap the strainer with the insulation after water pipes are installed.
(C) Fix power source wiring to terminal bed box by using buffer bushing for tensile force. (Conduit or the like.)
Connect transmission wiring to transmission terminal bed through the knockout hole of terminal bed box using ordinary
bushing.
(D) Supplied only with the PWFY-P72NMU-E2-AU. Install them at the strainer inlet. Refer to P.58 for details.
(E) To perform test run before the pump interlock circuit is completed, short circuit the terminal block TB142A (IN1), and
then perform test run.
(F) When installing the unit, be sure to install the supplied flow switch on the water outlet side of the unit and connect the
wire to IN1 of TB142A on the unit.
(G) If allowing wires inside the unit to hang loosely so as to prevent water from collecting and running down into electrical
components, be careful not to let the wires hang so loosely as to come into contact with nearby piping (solenoid valves).
If there is any risk of contact being made, use the included buffer material to protect other components.
(A) Strainer
(B) Heat insulation material
(C) Washer × 2
(D) Expansion joint × 2
*1
(E) Wire
(F) Flow switch
(G) Buffer material
*2
*1. PWFY-P72NMU-E2-AU only
*2. PWFY-P36NMU-E-BU only
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