ACORN ENGINEERING FIELD SERVICE
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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL
®
MERIDIAN 3791-RO
Please visit
www.acorneng.com
for most current specifications.
Part #: 9927-141-001
Page 11 of 28
5) Turn on fixture and allow water to flow for 2
minutes. Measure water temperature at
outlet. If water is not at desired temperature,
adjust as necessary.
1) Locate suitable place for mounting the valve
assembly. Valve assembly should be
accessible for service and adjustment and
as close to the point-of-use as possible.
Wall anchors and anchoring hardware, for
Ø3/8” mounting holes, provided by installer.
NOTE: Installation should be in accordance with
accepted plumbing practices.
2) Connect hot and cold water to supply
valve using 1/2” NPTE connections.
3) Connect outlet of tempering valve to
spout(s) using 1/4” O.D. tube connections
provided.
4) Turn on hot and cold water supplies. If any
leaks are observed, hand tighten
connections as necessary to stop leaks
before proceeding.
3) Turn temperature stem counter-clockwise
for hotter or clockwise for colder outlet
temperature.
2) Turn on fixture and run water for at least 2
minutes. Allow supply temperature to
stabilize.
1) Loosen locknut.
4) Tighten locknut to prevent accidental or
unauthorized temperature adjustment.
5) Re-check outlet temperature.
Temperature Adjustment:
Valve Assembly Installation:
VALVE INSTALLATION & ADJUSTMENT
!
IMPORTANT
Flush supply lines of all foreign material such
as pipe dope, pipe chips, solder, sand etc.
before making up supply connections.
HINT: Angle stops are recommended
and is the responsibility of the installer.
LOCKNUT
WARMER
TEMPERATURE
STEM
Date: 03/07/19
