DIFFERENTIALDIFFERENTIAL
DIFFERENTIALDIFFERENTIAL
DIFFERENTIAL
HEAT APPROXIMATELY..........2
O
F
COOLING APPROXIMATELY....4
O
F
HEAT ANTICIPATOR MODEL...1/2
O
F
ELECTRICAL RELECTRICAL R
ELECTRICAL RELECTRICAL R
ELECTRICAL R
AA
AA
A
TINGTING
TINGTING
TING
22 AMPS @ 125/277 VAC
3/4 HP @ 125 VAC
1 1/2 HP @ 250/277 VAC
TEMPERTEMPER
TEMPERTEMPER
TEMPER
AA
AA
A
TURE RTURE R
TURE RTURE R
TURE R
ANGEANGE
ANGEANGE
ANGE
(STANDARD MODELS)
SETTING RANGE..........50
O
F TO 90
O
HEATING OR COOLING.50
O
F TO 90
O
ATTIC FAN CONTROL...90
O
F TO 135
O
APPROAPPRO
APPROAPPRO
APPRO
VV
VV
V
ALSALS
ALSALS
ALS
U.L. APPROVED
C.S.A. CERTIFIED
DIMENSIONSDIMENSIONS
DIMENSIONSDIMENSIONS
DIMENSIONS
4 3/4 X 2 3/4 X 2 3/4
H W DH W D
H W DH W D
H W D
The Columbus Electric Wall Line Voltage Thermo-
stat is suitable for direct connection with
any resistance heating elements and unit heat-
ers.
This thermostat has a snap action switch op-
erated by a bimetal actuator and is available
in single pole, double pole with positive off,
two stage heat, cooling only and heat or cool
models. Other options include factory or
field installed locking kits for top and for
bottom setting and 6” wire leads.
WW
WW
W
ARNINGARNING
ARNINGARNING
ARNING
IF THIS PRODUCT IS USED TO REPLACE A DE-
VICE CONTAINING MERCURY, THE PUR-
CHASER OR CONSUMER MUST ENSURE THAT
THE MERCURY IS PROPERLY MANAGED TO
COMPLY WITH STATE OR FEDERAL REGULA-
TIONS. THE MERCURY MUST NOT BECOME
PART OF SOLID WASTE OR WASTE WATER. AD-
DITIONAL GUIDANCE MAY BE OBTAINED FROM
THE MANUFACTURER OF THE PRODUCT BE-
ING REMOVED, OR BY CALLING COLUMBUS
ELECTRIC MANUFACTURING COMPANY MATE-
RIALS MANAGER.
1-800-251-7828
DESCRIPTION SPECIFICATIONS
INSTINST
INSTINST
INST
ALLALL
ALLALL
ALL
AA
AA
A
TION / OPERTION / OPER
TION / OPERTION / OPER
TION / OPER
AA
AA
A
TIONTION
TIONTION
TION
SPST
HEATING OR COOLING
SPDT WITH
ANTICIPATION HEATING
SPDT
HEATING OR COOLING
COLCOL
COLCOL
COL
UMBUS ELECTRICUMBUS ELECTRIC
UMBUS ELECTRICUMBUS ELECTRIC
UMBUS ELECTRIC
INSTALLATION & INSTRUCTION SHEET
LINE VOLTAGE THERMOSTAT - ET SERIES
TWO STAGE
HEATING & COOLING
DPST HEATING
DPST WITH ANTICIPATION
HEATING
LINE
LOAD
LINE
LOAD
LINE
NORM
CLOSED
TERMINAL
NORM
OPEN
TERMINAL
COOL LOAD
HEAT LOAD
LINE
LOAD 1
LOAD 2
LINE
anticipator lead
LOAD
LINE
LOAD
8001
REV. G
P.O. BOX 4973 JOHNSON CITY, TN. 37602-4973 423-477-4131
NO INTERNAL
CONNECTION IN
SWITCH
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