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I
R841E
ELECTRIC HEATING RELAY
APPLICATION
lNSTALLATlON
The R841E must be mounted where the amhienttem-
perature is within the range Of -20 to 150 F the year
around. The small size and silent operation of the
R841 allow installation in a living area, utility room
or basement. me bimetal-operated switches permit
mounting the relay in any convenient position.
Fig. 1 shows a typical installation within a com-
partment enclosure on the end Of a baseboard heater.
In this application the conduit bushing can be connect-
ed to the wiring compartment in the heater. The ha&
of the compartment enclosure should be equipped with
embossing* to clear mounting screws.
The RE41E may also be mounted without compart-
ment enclosure on a wireway or junction box (Fig. 2).
OPERATION
The cycling
the thermostat.
activates one
pattern
or
On
both
a
of
call
of
the
for
the
R
low
841E
heat,
is det
the
voltage
ermined
thermostat
resistance
by
heaters in the R841E. me heater drives a Ianeta,
that actuates the sp8t MICRO SWITCH* snap acting
switch. The bimetal is ambient-temperature compen-
sated between -20 and 150 F. At rated voltage and
frequency, the R841E switch contacts “make” approx-
imately 80 seconds (from cold start)after thethermo-
stat calls for heat and break about 100 seconds after
the thermostat stops calling for heat.
Fig. Z--Four relays mounted on wireway.
CHECKOUT
After mounting
turn on the power
room temperature
starts (allow about
and
supply.
until
80
wiring
set
the electric
seconds
have
the
from
been completed,
thermostat
heatingequipment
cold start).
above
Per-
mit the system to operate long enough to prove the
heating equipment functions properly. Return the
thermostat to the desired room temperature before
leaving the installation
~.rm ~um6.r 95-6804
R..,dS”,,., D,“.