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All wiring should be done in accordance with local and national electrical codes and ordinances.
In operation, a circuit is completed through the bimetal
heater as the low voltage room thermostat closes its
contacts. In approximately 45 seconds, the warping
action of the heater closes the line voltage snap-switch to
energize the heating load. When the thermostat opens its
contacts, the bimetal heater cools for approximately 45
seconds before the line voltage switch opens to de-
energize the heating load.
USING ONE THERMOSTAT AND TWO OR MORE SILENT OPERATORS TO "SEQUENCE" LOADS
Figure 5 shows how several Silent Operator relays can
be used to "sequence on" separate heating loads. The
red and white leads of additional Silent Operator relays
should be jumpered as shown. All wiring should be
performed exactly as shown.
MAKE L2 "HOT"
L1
ON 120V MODELS
L2
CAUTION
Leads "A" and "B" must be alternated between
L1 and L2 as shown for each Silent Operator
used.
L1
L2
L1
L2
WIRING
Line Voltage
Line Voltage Field
Low Voltage
A
B
LOAD # 1
A
B
LOAD # 2
A
B
LOAD # 3
TO YELLOW
LEAD OF
ADDITIONAL
LEVEL TEMPS
Fig. 5. Typical Wiring Diagram to "Sequence" two or more loads
MAKE L2 "HOT"
ON 120V MODELS
2-WIRE
HEATING
THERMOSTAT
R
W
Fig. 4. Diagram using one thermostat to
operate one Level-Temp. operator
As the thermostat closes its contacts, each separate
heating load will be "sequenced on" in intervals of 45
seconds.
When the thermostat is satisfied, each separate load will
be "sequenced off" in intervals of about 45 seconds.
SILENT
OPERATOR # 1
YELLOW
BLACK
BLUE
SILENT
OPERATOR # 2
YELLOW
BLACK
BLUE
SILENT
OPERATOR # 3
YELLOW
BLACK
BLUE
3
WIRING CONT.
LOAD # 1
L1
LINE
L2
SILENT
OPERATOR
WHITE
RED
RED
TO LOW VOLTAGE
ROOM THERMOSTAT
WHITE
NOTE
Use thermostat with a .2A fixed heater,
or set adjustable heater in thermostat
at .2A.
RED
WHITE
FIELD INSTALLED
WIRE NUT
RED
WHITE
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