Xylem Bell & Gossett Autocirc e3-4 Series Installation, Operation And Maintenance Manual page 32

en – Original Instructions
3. Program the on/off times by pulling the
4. Move the green slider to:
5. Close the timer cover in order to maintain
In the case of a power outage, the timer must be adjusted for the correct time of day after power
is restored.
Timer retrofitting
If you install the timer as retrofitting, follow the instructions of section 4.4.2 Guidelines for
electrical connection (only point 4 on page 28.) and section 4.4.3 Guidelines for timer
connection (points 2 - 3 on page 29).
DANGER:
All the hydraulic and electrical connections must be completed by a technician possessing the
technical-professional requirements outlined in the current regulations.
DANGER: Electrical hazard
Disconnect and lock out the power before servicing. Before starting work, check that the unit
cannot restart, even unintentionally.
DANGER: Electrical hazard
The timer has both a 115 V / 60 Hz and a 230 V / 50 Hz version. Before purchasing check it for
the proper supply voltage.
NOTICE:
When purchasing a timer kit for retrofitting, take care of choosing the proper timer model.
Pumps produced before 2020 (with 8 bit electronics) has a different timer connection than the
ones produced starting from 2020 (with 32 bit electronics). The timers with different connectors
are not interchangeable.
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tabs outward until flushing with the dial
face for the pump to operate on during
selected time periods.
Push the tabs inward, one step behind the
dial face for the pump to remain off during
the selected time periods. Each timer tab
covers a 30-minute period.
The illustration shows a setting, where the
pump is to be in operation between 4 a.m.
and 2 p.m.
"On" for continuous running
"Off" to turn the circulator off
" " for running according to the program,
that is selected by the tabs
the ingress protection class.
Installation, Operation and Maintenance Manual