Honeywell Heat/1Cool User Guide - Page 77

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Chronotherm® Electromechanical III LENNOX TYPICAL HP6 (ALTERNATE) Electronic Replacement or Upgrade Chronotherm IV Y594R1425 Y5Y95494G1G4174619 T8T681611G11R0100400 T8T481411R11R0120802 T8T5815111G1G0140721 T8T081011R11R0110406 T8T6816111G2G0220802 W890P0CB8190000/2 Function Common ¿ Power Compressor Existing Terminals or or or X2 - - - ¾¾ V R V/VR V/VR · M W1 M1 M 1st Stage - - R - Heat X R Y1 µ W1 Auxiliary Y W2 Y Y W2 Heat X R Y1 µ W1 W2 C R or Y1 Y µ W1 W2 C R Y µ W1 C R Y1 µ W1 W2 W2 C R Y µ W1 W2 C R Y1 µ W1 C R º Y1/W1 - ¸ W2 Aux. Fan F G F G C/O Valve - - - - Heat C/O Valve R Y1 - R Cool System Monitor/ - - - - System Defrost Em. Heat E - - - G B O ² L E´ G B O - E´ G B O ¶ L E´ G G ³ or B B O/B or ³ O O O/B ¶ ² L L E´ E´ G G ³ or B B O/B ³ or O O O/B ¶ ² L L G ³ O/B ³ O/B ² L ´ E E´ E´ Multiple Aux. - - - - - W3 - Heat Loads » - - - - - LED Indicator - - - - - X1 X2 X1 X2 - - - X1 X2 - ¸ 2nd Stage - - - - - - - - - - - W2 Compressor ³ Configure O/B (select models) in Installer Setup. · Both first stage heat and cool are connected to M terminal. » Terminal is for multiple auxiliary heat loads such as contactors, sequencers or relays. ¿ Terminal X (C) must be connected to transformer common. ´ Field-installed E to W2 (Aux) jumper required. ² LED is energized when terminal is powered. ¶ L terminal is powered continuously when thermostat is in Em. Ht. position. º If separate Y1 and W1 terminals are required, install R8222D1014; see page 12. ¾ If separate transformers are used, replace with one 75 VA transformer as shown on page 78. µ When replacing models with one compressor terminal (M), jumper Y1 to W1. ¸ When W2 is not used, configure W2 cycle rate to NC. M13161 TYPICAL THERMOSTATS AND SUBBASES - HONEYWELL MODEL NUMBER T872G1026/Q672E1019 T872G1067/Q672E1142 (P-8-11222) T872R1040/Q672B1202 (P-8-11221) T874R1024/Q674B1160 T874G1014/Q674E1148 (24F5801) T874G1154/Q674E1015 T874G1022/Q674E1148 (24F5701) 70-6627 • 75

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70-6627
•
75
LENNOX
TYPICAL HP6 (ALTERNATE)
TYPICAL THERMOSTATS AND SUBBASES — HONEYWELL MODEL NUMBER
T872G1026/Q672E1019
T872G1067/Q672E1142 (P-8-11222)
T872R1040/Q672B1202 (P-8-11221)
T874R1024/Q674B1160
T874G1014/Q674E1148 (24F5801)
T874G1154/Q674E1015
T874G1022/Q674E1148 (24F5701)
T8011R1006
T8011R1014
Function
Existing Terminals
T8611R1000
T8611G1004
T8411R1002
T8411R1028
PC8900/
W8900B1002
Electromechanical
Chronotherm
®
III
Electronic Replacement or Upgrade
A
Configure O/B (select models) in Installer Setup.
B
Both first stage heat and cool are connected to M terminal.
C
Terminal is for multiple auxiliary heat loads such as contactors, sequencers or
relays.
D
Terminal X (C) must be connected to transformer common.
E
Field-installed E to W2 (Aux) jumper required.
F
LED is energized when terminal is powered.
Common
D
Power
Compressor
1st Stage
Heat
Auxiliary
Heat
Fan
C/O Valve
Heat
C/O Valve
Cool
System Monitor/
System Defrost
Em. Heat
Multiple Aux.
Heat Loads
C
LED
Indicator
2nd Stage
Compressor
M13161
J
G
L terminal is powered continuously when thermostat is in Em. Ht. position.
H
If separate Y1 and W1 terminals are required, install R8222D1014; see
page 12.
I
If separate transformers are used, replace with one 75 VA transformer as
shown on page 78.
J
When replacing models with one compressor terminal (M), jumper
Y1
to
W1
.
K
When W2 is not used, configure W2 cycle rate to NC.
J
J
J
J
A
A
A
A
A
A
K
H
B
E
E
E
E
E
E
E
J
J
I
E
T8511G1021
T8511G1047
T8611G2002
T8611G2028
G
G
G
F
F
F
F
K
Chronotherm
IV
I
X2
–
–
–
X
X
C
C
C
C
C
C
V
R
V/VR
V/VR
R
R
R
R
R
R
R
R
M
W1
M1
M
Y1
Y1
Y1
or
Y
Y
Y1
Y
Y1
Y1/W1
–
–
R
–
W1
W1
W1
W1
W1
W1
W1
–
Y
W2
Y
Y
W2
W2
W2
W2
W2
W2
W2
Aux.
F
G
F
G
G
G
G
G
G
G
G
G
–
–
–
–
B
B
B
B
B
or
O/B
B
B
or
O/B
O/B
R
Y1
–
R
O
O
O
O
O
or
O/B
O
O
or
O/B
O/B
–
–
–
–
L
–
L
L
L
L
L
L
E
–
–
–
E
E
E
E
E
E
E
E
–
–
–
–
–
W3
–
–
–
–
–
–
–
–
–
–
–
X1
X2
X1
X2
–
–
–
X1
X2
–
–
–
–
–
–
–
–
–
–
–
–
W2
Y594R1425
Y594G1419
Y594G1476
or
or
or