Honeywell Heat/1Cool User Guide - Page 115

70-6627

•

113

YORK/BORG WARNER

B2CH, B2PS, EICS, EIEB, EIHB, E2CH (ALTERNATE REPLACEMENTS)

TYPICAL THERMOSTATS AND SUBBASES — HONEYWELL MODEL NUMBER (CUSTOMER PART NUMBER)

T841A1274 (2TH11703324)

T872G1299/Q672L1177 1

T872R1032/Q672L1011 1

T874G1170/Q674J1027 (2TH11702424)

T874G1196/Q674J1027

T874G1345 (2TH11702624)1

T874G1402/Q674L1363 (2TH11702824)

T874G1428/Q674J1027 (6TH11702424)1

T874R1046/Q674L1017 (2TH11702224)1

T874R1046/Q674L1272 (2TH11702224)1

T8141A1006

T8300A1037/Q6300A1044 (2ET11700124A)

T8300A1144/Q6300A1044 (6ET11700124A)

T8611R1018 (025-27655)

T8011R1006

T8011R1014

Function

Existing

Terminals

T841A1217

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

LED is energized when terminal is powered.

E

L terminal is powered continuously in Em. Ht. position.

F

Tape off. Not used.

G

Field-installed E to W2 jumper for improved performance in emergency heat.

Common

H

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

Indication

2nd Stage

Compressor

2nd Stage

Cool

M13224

H

Terminal must be connected to the transformer common.

I

Do not remove factory-installed jumper.

J

Optional Check LED on T8611G1004. See Fig. 26.

K

Field-installed X2 to X (C) jumper.

L

H terminal is not available on all models.

M

Using these thermostats with a W8045 Demand Defrost Control may cause

customer complaints. If replacing a thermostat used on a W8045, see

York/Borg Warner Direct Replacements.

I

I

I

I

A

A

A

A

A

A

I

B

D

E

D

E

D

B

I

I

D

D

B

X

X

X

C

C

C

C

C

C

R

R

R

R

R

R

R

R

R

R

Y

or

Y1

Y

Y

Y1

Y1

or

Y

Y

Y1

Y

Y1

Y1/W1

W1

–

W1

W1

W1

W1

W1

W1

W1

–

W

or

W2

W2

W2

W2

W2

W2

W2

W2

W2

Aux.

G

G

G

G

G

G

G

G

G

G

H

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

X

L

X1

L

L

L

L

L

L

E

or

X

E

E

E

E

E

E

E

E

E

–

W3

W3

W3

–

–

–

–

–

–

T

X

–

X2

X2

X1

X2

–

–

–

X1

X2

–

–

–

–

–

–

–

–

–

–

W2

–

–

–

–

–

–

–

–

–

Y2

G

G

G

G

G

G

G

G

G

E

F

L

K

K

J

I

Chronotherm

IV

Y594R1425

Y594G1419

Y594G1476

Honeywell Heat/1Cool User Guide - Page 115

B2ch, B2ps, Eics, Eieb, Eihb, E2ch Alternate Replacements

Page 115 highlights