Honeywell CT3611 69-10813 8, your local heating and cooling contractor for assistance., between Y and W1 terminals and match the old W1 to W1, Y1 to Y and W2 to W2., Table 1. Terminal Designations on Old and New Thermostats.

69-1081—3 8IMPORTANTIf you have any wiring questions, contact Honeywell at www.honeywell.com/yourhome or call Honeywell Customer Relations Center, toll-free, 1-800-468-1502.

aNever attach wires to both the O and B terminals on the CT3611. If the old thermostat had wires on both the O and B

terminals, be sure to attach the B wire to the CT3611 C terminal. If another wire is already matched to the C terminal, contact Honeywell.

bIf the old thermostat had separate wires on both the V and VR terminals, some system modification is required. Call

your local heating and cooling contractor for assistance.

cIf the old thermostat had wires on W1, Y1 and W2 terminals, then remove the CT3611 factory-installed jumper

between Y and W1 terminals and match the old W1 to W1, Y1 to Y and W2 to W2.

dUse electrical tape to tape off the end of the wire and push the taped end back into the wall wiring hole.

Table 1. Terminal Designations on Old and New Thermostats.

CT3611a

Typical Terminal

Designations from the

Existing Thermostat

Alternative Terminal Designations

Function Description

Trane

American

Standard Lennox

York

Borg

Warner

General

Electric

Rheem

Ruud

CCC or XC B X BC or BX Common

RRRR RV or VRbR R R Power

Y Y or Y1 Y or Y1 Y or Y1 Y M Y Y Y or Y1 Compressor

W1c— — — — — — — — Stage 1 heating relay

W2 W or

W, W1

or W2

W or

W or W1

jumped to U

W1 or Y W or W2 W or W1 W2 Auxiliary heat relay

GGGG G F or GG G G Fan relay

OaOaOaOaOaR or OaOaOaOaCooling changeover relay

BaBaBaBa— — H — — Heating changeover relay

L L L or X L F or L L F F or L L System monitor

E E E E or X X2 or E E X or E E or X2 E Emergency heat relay

———— Td or AdAdTdTd— Tape off, not needed for CT3611

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