Honeywell Heat/1Cool User Guide - Page 94

TA2000, TA2040, TA2010 TA2050

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SECO TA2000, TA2040, TA2010 TA2050 Electromechanical Chronotherm® III Electronic Replacement or Upgrade Chronotherm IV T841A1712 Y594R1425 Y5Y95494G1G4174619 T8T6816111G1R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Function Existing Terminals Common ¿ X X X X C C C C C C Power R Compressor Y 1st Stage - Heat Aux. Heat W2 R R R R R R R R R or Y Y Y1 Y1 Y Y Y1 Y Y1 Y1/W1 ² ² ² ² ² ² ² - W1 W1 W1 W1 W1 W1 W1 - · W W W W2 W2 W2 W2 W2 Aux. Fan G G G G G C/O Valve B B B B B Heat C/O Valve O O O O O Cool System Monitor/ µ L ¾ L ¸ L System Defrost µ ² ² ² Em. Heat E E E E E G G ³ or B B O/B ³ or O O O/B ¸ ¾ L L G G ³ or B B O/B ³ or O O O/B ¸ ¾ L L G ³ O/B ³ O/B ¾ L E E E E E Multiple Aux. W3 Heat Lads » LED Indication - 2nd Stage - Compressor W3 W3 W3 ´ ´ ´ - X2 º X1 X2 ¶ X1 X2 ¶ - - - - - - - - ´ ´ ´ ¶ - X1 X2 - · - - W2 2nd Stage - - - - - - - - - Y2 Cool ³ Configure O/B (select models) in Installer Setup. · When W2 is not used, configure W2 cycle rate to NC. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers, or relays. ¿ Terminal must be connected to the transformer common. ´ If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B) terminal. ² Do not remove factory-installed jumper. ¶ Optional LED indication with completed circuit on X1 and X2 terminals. º Field-installed X2 to X (C) jumper. ¾ LED is energized when terminal is powered. µ E and L terminals are not available on TA2010 or TA2050. ¸ L terminal is powered continuously when thermostat is in Em. Ht. position. M13171 70-6627 • 92

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70-6627
•
92
SECO
TA2000, TA2040, TA2010 TA2050
Common
D
Power
Compressor
1st Stage
Heat
Aux. Heat
Fan
C/O Valve
Heat
C/O Valve
Cool
System Monitor/
System Defrost
Em. Heat
Multiple Aux.
Heat Lads
C
LED
Indication
2nd Stage
Compressor
2nd Stage
Cool
T8011R1006
T8011R1014
Function
Existing
Terminals
T841A1712
T8611R1000
T8611G1004
T8411R1002
T8411R1028
T8511G1021
T8511G1047
T8611G2002
T8611G2028
PC8900/
W8900B1002
Electromechanical
Chronotherm
®
III
Electronic Replacement or Upgrade
A
Configure O/B (select models) in Installer Setup.
B
When W2 is not used, configure W2 cycle rate to NC.
C
Terminal is for multiple auxiliary heat loads such as contactors, sequencers,
or relays.
D
Terminal must be connected to the transformer common.
E
If multiple auxiliary heat loads are used, connect to W2 (Aux W8900B)
terminal.
M13171
F
Do not remove factory-installed jumper.
G
Optional LED indication with completed circuit on X1 and X2 terminals.
H
Field-installed X2 to X (C) jumper.
I
LED is energized when terminal is powered.
J
E and L terminals are not available on TA2010 or TA2050.
K
L terminal is powered continuously when thermostat is in Em. Ht. position.
A
A
A
F
F
F
F
F
A
A
A
F
K
E
E
E
E
E
E
G
F
F
B
I
I
I
K
K
B
I
G
X
X
X
X
C
C
C
C
C
C
R
R
R
R
R
R
R
R
R
R
Y
Y
Y
Y1
Y1
or
Y
Y
Y1
Y
Y1
Y1/W1
–
–
W1
W1
W1
W1
W1
W1
W1
–
W2
W
W
W
W2
W2
W2
W2
W2
Aux.
G
G
G
G
G
G
G
G
G
G
B
B
B
B
B
B
B
or
O/B
B
B
or
O/B
O/B
O
O
O
O
O
O
O
or
O/B
O
O
or
O/B
O/B
L
L
L
L
L
L
L
L
E
E
E
E
E
E
E
E
E
E
W3
W3
W3
W3
–
–
X2
X1
X2
X1
X2
–
–
–
X1
X2
–
–
–
–
–
–
–
–
–
–
W2
–
–
–
–
–
–
–
–
–
Y2
J
G
H
J
F
F
Chronotherm
IV
Y594R1425
Y594G1419
Y594G1476