Powers e430 Series Master Mixing Valves - Retrofit - Manual (Page 2)

© November 2001 Powers, a Watts Industries Co.
3400 Oakton Street, Skokie, IL 60076 Phone: 800.669.5430 • 847.673.6700 • Fax: 847.673.9044
www.powerscontrols.com
5435 North Service Road, Burlington, Ontario, L7L 5H7 Canada • Phone: 888.208.8927 • Fax: 888.882.1979 A Watts Industries Co.
9. Set the thermal actuator on the motor adapter, and care-
fully assemble the valve back to the motor housing using
the new "O" ring supplied. Tighten the union nuts hand
tight, and reinstall the four (4) bolts between the valve
assembly and motor housing.
10. Reassemble the motor housing cap/adjustment knob
assembly to the motor housing using the new gasket and
four (4) screws. Insure the overload assembly is inserted
straight in the motor housing and engages the stem of the
thermal actuator.
11. Tighten the four (4) screws on the motor housing cap,
the four (4) bolts, and the union nuts.
12. Open the checkstops and turn the water on if it was
turned off. Check for leaks.
Restart circulation pump and adjust valve for desired
outlet temperature.
II430R Page 2
“O” Ring
NOTE: AFTER COMPLETING REPAIRS, CHECK MAXI-
MUM DISCHARGE TEMPERATURE (115°F [46°C]).
RESET IF NECESSARY.
WARNING: FAILURE TO PERFORM THIS OPERATION
COULD RESULT IN UNSAFE DISCHARGE TEMPERA-
TURE, WHICH MAY CAUSE INJURY OR DEATH.
ADJUSTMENTS
To lower maximum temperature setting, turn adjustment knob
to full hot position (counterclockwise). Insert hex key in adjust-
ing screw as shown. Hold adjustment knob and turn adjusting
screw until desired maximum temperature is obtained.
To vary discharge temperature, turn temperature adjustment
knob. This knob may be locked in place by inserting a hex key
inside opening and turning lock screw clockwise until tight.
Maximum Temperature Setting
Temperature Adjustment and Lock
431/433 433 434
Form II430R 0218 EDP# 6507695 Printed in U.S.A.