Acorn ST70 VALVE - Manual (Page 4)

Manual #7802-112-001
Page 4 of 5
1. Locate mixing valve in a suitable place
accessible for servicing and adjusting. Valve
should be as close as possible to point of use.
2. Thoroughly flush supplies.
3. Connect Hot and Cold supplies to mixing valve
inlets and outlet to faucet(s). ST70-12: Valve
connections are 1/2” NPT, for supply lines
by others. ST70-38: Valve connections are
3/8” compression, Detail A. Supply tubing by
others.
4. Turn on supplies and inspect for leaks. Tighten
connections if leak(s) are detected.
5. Turn on faucet and allow to run until water
temperature stabilizes. Measure water
temperature. If water is not at desired
temperature adjust as needed, (refer to
adjustment section below). Maximum
recommended outlet temperature is 105° F
(41° C).
INSTALLATION:
TEMPERATURE ADJUSTMENT:
1. Loosen locknut. Detail B
2. Turn faucet on so water temperature can
stabilize.
3. Using 1/8” allen wrench turn adjustment stem
counter-clockwise for hotter or clockwise for
colder outlet temperature. Detail C
4. Tighten locknut to prevent any unauthorized
or accidental temperature adjustment.
5. Re-check temperature.
Acorn Controls Division of Acorn Engineering Company ® , A member of Morris Group International ™
INSTALLER PROVIDED
SUPPLY ANGLE STOPS
INSTALLER PROVIDED
FLEXIBLE HOSES
1/8" ALLEN WRENCH
TYPICAL INSTALLATION
ADJUSTMENT
STEM
COMPRESSION
NUT
FERRULE
DETAIL A
SUPPLY TUBING
BY OTHERS
5/8" WRENCH
LOCKNUT
DETAIL B DETAIL C
Date: 04/01/14
ST70 Installation & Operation Manual