Honeywell RTH8500D Use and Care Manual download pdf (Page 3)

3 69-1725-1

Step 1. Prepare for Installation

1. Check that the following items are included:

If any of the items shown above are missing, call

Honeywell Customer Care at 1-800-468-1502

before returning the thermostat to the store.

CAUTION

TURN OFF POWER to system at the furnace, or at the fuse/circuit

breaker panel before you begin.

Match the letter of

y

our old thermostat wire with the terminal of th

e

correspondin

g

letter on

y

our new thermostat or base

.

N

69

-

08

2

3

EF

S

5

-

03

•

y

ou

rh

o

m

e

B

G

R

V

/

V

R

X

B

G

R

V

/

V

R

X

Y

2

H

R

C

W

X1

Y

2

H

R

C

W

C

L

RH

W1

X2

C

L

RH

W1

E

O

T

W2

Y

E

O

T

W2

F

P

U

W

3

Y1

F

P

U

W

3

WALLPLATE

THERMOSTAT

M222

00

MOUNTING SCREWS (2)

AND WALL ANCHORS (2)

OWNER'S GUIDE

CAUTION CARD

WIRE LABELS

Read and save these instructions

OWNER'S GUIDE

Inside

Set To

de la letra corres

p

ondiente d

e

S

e

t

I

n

s

i

d

e

1 2 3 4 ... 64

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