USE ONLY HAYWARD
GENUINE REPLACEMENT PARTS
Page 9 of 16
Commercial Filter Valve Adapter Kit
ISHCV375 Rev-A
3.
Valve Operation:
3.1.
Functions of Valve Positions
VALVE SETTING
FLOW DIRECTION THROUGH VALVE
FILTER
PUMP - TOP - THROUGH FILTER - BOTTOM - RETURN
For normal filtration and vacuuming pool through filter.
BACKWASH
PUMP - BOTTOM - THROUGH FILTER - TOP - WASTE
For reversing flow for cleaning filter.
RINSE
PUMP - TOP - THROUGH FILTER - BOTTOM - WASTE
For initial start-up cleaning, plus resetting filter bed after
backwashing.
WASTE
PUMP - WASTE
For vacuuming directly to waste, lowering pool level/draining pool.
CLOSED
3.1.1.
NO CIRCULATION PAST PUMP PORT
For shutting off all flow to filter and pool.
RECIRCULATE
PUMP – RETURN
For bypassing filter, but circulating pool water. May be plumbed for
"off-system" pool water access. Ideal for Jet-Air
®
fittings
3.2.
Important Information:
To prevent damage to the pump and filter and for proper operation of the system, clean
pump strainer and skimmer baskets regularly.
To prevent unnecessary strain on piping system and valve,
always shut off pump before
switching Filter Control Valve positions.
3.3.
Graph of Valve Head Loss