Watts Heat H2O HWRS-WH Manuel D'installation Et D'utilisation page 5

Setting Up The Timer
NOTICE
Before the circulator is started, the water system must be filled
with water and vented.
STEP 3
Timer Operation
When setting the programing tabs of the timer, set the pump to
operate around your peak use times (Ie 30 minutes before the first
shower until 15 minutes after last shower)
Step A - Turn programing ring clockwise until the current time of day
is aligned with the triangle marker Example for 1:00 AM:
Turn the programing ring until 1:00 AM is aligned with the
triangle on the inner dial
Step B - Plug the line cord from the pump into a properly grounded
115V outlet Be sure to route the power cord so that it
does not touch the exhaust vent piping of a gas or oil fired
hot water heater
STEP 3.1
Manual Switch -
Modes of Operation
The timer has three modes of operation controlled by a manual
switch
Mode 1 - OFF Position: Circulator off So long as the pump is
plugged in, the timer will still keep the time of day
Mode 2 - TIMER Position: Circulator controlled by the programing
tab settings
Mode 3 - ON Position: Circulator in continuous operation – not
controlled by the programing tab settings
STEP 3.2
Timer Programming
24-Hour (Timer Manual Switch Position)
The 24-Hour dial has quarter-hour division tabs plus AM/PM indica-
tions Set the required "ON/OFF" times on the programing ring by
pushing the tabs away from or towards the center of the ring Tabs
pushed away from the center ring indicate circulator "ON" while tabs
pushed towards the center ring indicate circulator is switched "OFF"
The circulator will now start/stop according to the settings of the
programming tabs
NOTICE
In case of power outage the timer will not keep time. Repeat
'Step A of Step 3 Setting Up The Timer', when power is re-
stored.
Timer Technical Application
The timer control is designed only for use with the specified WATTS
INSTANT HOT WATER RECIRCULATING SYSTEM System should
be installed indoors on hot water service systems
The timer control is designed to turn the circulator on and off at pre-
set times, allowing the user to select operation of the circulator during
high use periods of the day
Timer Technical Data
Supply Voltage: 120 VAC, 60Hz
-40°F to 180°F
Temp Range:
Shortest Switching Interval: 15 Minute Increments
Switch Modes: "Timer", "ON" Override, "OFF" Override
Protection: Clear plastic cover for dust and moisture
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