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(HOT) L2
2-
W I R E
THERMOSTAT
BLUE
RED
BLACK
H E
A T E R
NO.
RED
HEATER
T R A N S F O R M E R
r
ACK
RED
WHITE
.
LOAD
RELAY
. . . .
- - -
b
..
LOW VOLTAGE
T H E
R M O S T A T
LOW VOLTAGE
THERMOSTAT
RED
WHITE
LOAD
RELAY
Low
●
T H E
R M O S T A T
4
BLACK
RED
—
—
LOAD
,
PROVIDEA
DE-ENERGIZE ALL VOLTAGE S
O U R C E S
.
PROVIDE
PROTECTION
AS REQ
UIRED
,
P R O V I D E
AS REQuIRED,
FIG. 6–TWO OR MORE
RELAYS CONNECT-
FIG. 8–CONNECTIONS FOR FOUR
RELAYS
ED TO ONE THERMOSTAT SO THEY OP-
ERATE IN SEQUENCE ABOUT ONE MINUTE
APART. THIS REDUCES THE INITIAL LINE
LOAD ON LARGE KILOWATT
SET THE THERMOSTAT HEAT
AND THERMOSTATS USED WITH ONE
TRANSFORMER. SET EACH THERMOSTAT
HEAT ANTICIPATOR AT 0.2 A.
ANTICIPATOR AT 0.2A.
E
B O X
n
L2
4
“
(
)
REM
OTE
TRANSFORMER
RED
BLACK
D
RED
n
WHITE
DR
OPPING
LOW VOLTAGE
T H E R
M O S T A T
D I S C O N N E C T
PROTECTION
REQuIRED.
PROTECTION AS REQUIRED.
FIG. 9–CONNECTIONS FOR TWO R841D RELAYS
USED WITH ONE TRANSFORMER AND
THERMOSTAT. SET THERMOSTAT HEAT
ANTICIPATOR AT 0.4 A.
FIG.
INTERNAL SCHEMATIC AND CON-
NECTION DIAGRAM FOR ONE RELAY.
5
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