Powers e430 Series Master Mixing Valves - Manual (Page 4)

TI430 v3 Page 4
Close both inlet checkstop valves by
turning stop valve stem clockwise with
1/4" (6.4mm) allen key. Remove bonnet with 2-1/4" (57mm)
wrench or use a 3/4" socket wrench. Lift out strainer screen (reassemble in
reverse order).
NOTE: AFTER COMPLETING REPAIRS, CHECK MAXIMUM DISCHARGE
TEMPERATURE (115°F [46°C]). RESET IF NECESSARY.
WARNING: FAILURE TO PERFORM THIS OPERATION COULD RESULT IN
UNSAFE DISCHARGE
TEMPERATURE, WHICH MAY CAUSE INJURY OR DEATH.
SERVICING
VALVE DISASSEMBLY
ADJUSTMENTS
Remove thermal housing cap screws
and lift out thermal element. Lift out the adapter and hot water
poppet. Remove body cap with wrench to ser-
vice cold water assembly.
NOTE: Cap is spring loaded. Remove
with caution.
Note: Before disassembling, make certain both water supplies to the Hydroguard are shut off.
CHECKSTOP DISASSEMBLY
Maximum temperature setting for 430 Series Valves:
1. Turn off re-circulation pump (if one is in the system).
2. Open up enough fixtures to meet minimum flow requirement of:
431 = 4 gpm
432 = 7 gpm
433 = 10 gpm
434 = 15 gpm
3. Loosen set screw on side of knob.
4. Turn maximum temperature screw counter-clockwise to full hot position.
5. Then start adjusting the screw clockwise to desired temperature.
Counter-clockwise adjustment: Mixes more hot water
Clockwise adjustment: Mixes more cold water
Note: Please allow valve temperature to settle in before making your next
adjustment.
6. When desired temperature is set, tighten set screw on side of knob.
Turn re-circulation pump back on. Close open fixtures.
Maximum Temperature Setting
Temperature Adjustment and Lock
© March 2003 Powers, a Watts Industries Co.
USA Phone: 1.800.669.5430 • Canada • Phone: 1.888.208.8927
www.powerscontrols.com
A Watts Industries Co.
Form TI430 v3 0327 EDP# 6512227 Printed in U.S.A.