MODEL: 63518-N77A1 /63618-N77A3/ 53518-N77B1
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before connecting pipes to the valve. Torch heat will damage
plastic parts.
●When turning threaded pipe fittings onto plastic fitting, use care
not to cross thread or broken valve.
●If the valve belongs to time clock type (N77A1, N77B1), there are
no step ②.
④ Install drain pipeline (If no special requirement, the standard DLFC is
No.7703)
a. Based on the table on P29, for
N77A, if tank diameter is 900 mm,
install step d. and use the matched
DLFC. If the tank size bigger then
900 mm, you need to ask supplier
for another DLFC which doesn’t drill
hole. Install it as below steps.
b. According to matched tank
diameter size, to drill φ6 hole on the
corresponding quantity of DLFC.
c. Insert drain line flow control into drain hose connector, then crew it
into drain outlet, and lock it.
d. Glue the drain outlet with UPVC (DN40). Put drain outlet pipe to
sewer as showed in the Figure 1-4.
e. For filter valve N77B, there is no DLFC, install UPVC (DN40)
according to procedure d.
Note:
● Control valve should be higher than drain outlet, and be better
not far from the drain hose.
● Be sure not connect drain with sewer, and leave a certain space
between them, avoid wastewater be absorbing to the water
treatment equipment, such as showed in the Figure1-4.
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