5
INSTALLATION
Installation of filter should only be done by qualified, licensed personnel. For
assembly and filling instructions, see pages 6 and 7.
Filter mount must:
• Provide weather and freezing protection.
• Provide space and lighting for easy access for routine maintenance. (See
Figure I and Table 1, Page 4, for space requirements.)
• Be on a reasonably level surface and provide adequate drainage.
• Be as close to pool as possible to reduce line loss from pipe friction.
Piping:
• Piping must conform to local/state plumbing and sanitary codes.
• Use pipe joint sealing compound or Teflon tape on all male connections of
metal pipe and fittings (except unions). Use Teflon tape or Plasto-Joint Stik
1
on all male connections of plastic pipe and fittings. DO NOT use pipe dope
on plastic pipe; it will cause stress cracking of the pipe. Do not use sealant
or tape on unions — assemble them dry and hand tight.
• Do not damage union sealing surfaces and “O” Rings.
• Support pipe independently to prevent strains on filter or valve.
• Use 1-1/2” or 2” pipe to reduce pressure losses as much as possible.
NOTICE: Filter may be located away from pool, but for adequate flow larger
pipe may be needed. For more information about hydraulic design, call Sta-
Rite Customer Service.
• Fittings restrict flow; for best efficiency use fewest possible fittings.
• Keep piping tight and free of leaks: pump suction line leaks may cause
trapped air in filter tank or loss of prime at pump; pump discharge line
leaks may show up as dampness or jets of water.
• NOTICE: Overtightening can crack filter ports.
Valves:
• A check valve installed ahead of filter inlet will prevent contaminants from
draining back into pool.
• A check valve installed between filter and heater will prevent hot water
from backing up into filter and deforming internal components.
• Install Sta-Rite Two Position Slide Valve or Multiport Selector Valve with fil-
ter. See Table lll.
• Filter ports and valve ports are furnished with union connections.
DO NOT use pipe sealants on union collar (nut).
• Use care before assembly not to damage union sealing surfaces or O Ring.
Wastewater:
• Be sure all provisions for waste water disposal meet applicable local, state
or national codes. 100 gallons (379 liters) or more of pool water will be dis-
charged during filter backwashing. Do not discharge where water will cause
flooding or damage.
Assembly:
See Pages 6 and 7 for assembly and filling instructions.
1
Lake Chemical Co., Chicago, IL
Port Part
Size Number
Multi-port
2" WC212-144P
1-1/2" WC212-143P
Brass Slide
1-1/2" WC212-135D
2" WC212-136D
Plastic Slide
2" WC212-134P
TABLE III - Sta-Rite valves
for use with filters
NOTICE: Use of valves
other than those listed
above could cause
reversed water flow
through filters and
damage to internal fil-
ter components.
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