Hayward TC Series User Manual

Hayward Flow Control www.haywardflowcontrol.com 1-888-HAY-INDL (1-888-429-4635)
TCIS Rev D 5/15/18
Pg. 7 of 11
4.0 TROUBLESHOOTING:
Problem
Cause
Solution
Leak between body and end
connector.
Missing end connector o-ring
Replace end connector o-ring
Damaged end connector o-ring
Replace end connector o-ring
Assembly nuts too loose
Tighten assembly nut
Piping system not properly aligned and / or
supported.
Properly align and support piping, especially adjacent to valve.
Leak between ball and seat.
Valve not fully closed
Increase back pressure on system.
Damaged ball
Repair or replace valve
Damaged seal
Repair or replace valve
Damaged seal surface
Repair or replace valve
Damaged ball or seats.
Excessive valve cycles.
Replace o-rings and seals. Inspect assembly components.
Replace if warranted.
Water Hammer
Maximum line velocities of 8 ft/sec. recommended for plastic piping
systems. Resize system or valve. Reduce line velocity. Reduce
speed of operation (i.e. closure) of valve.
Detrimental solids in process media.
Install a strainer upstream of valve to prevent damage to valve.
Cavitation in line.
Maximum line velocities of to 8 ft/sec. exceeded.
Valve should be installed at least 10 pipe diameters from the
nearest pump or fitting.
Resize system or valve.
Process conditions.
Check chemical compatibility of ball and seat material with fluids in
system.
Check that valve was not in service or operated at temperatures
above or below recommended operating temperature.
No flow thru valve
Valve installed backwards
Remove valve and install with correct flow direction.

Hayward TC Series Specifications

General

Brand	Hayward
Model	TC Series
Category	Control Unit
Language	English