background image

24 VAC HOT

R

G

W/W1

Y/Y2

O/W2

R

W2

W3

E

RVS COOLING

C

B

S1

S2

W2

BRYANT

PROGRAMMABLE

THERMOSTAT

MODEL HP

FA, FB, FC,

FD, FF, FH

FAN COIL

HEAT 

PUMP

G

Y1/W2

L

R

O

INDOOR FAN

HEAT STAGE 2

COOL/HEAT
STAGE 1

NOT USED

24 VAC COM

NOT USED

TROUBLE 

OPTIONAL
OUTDOOR
SENSOR
CONNECTION

Y

C

C

*

*

*

 IF AVAILABLE

*

A97370

Fig. 8—Typical 24v Circuit Connections using Bryant Model HP Thermostat with Fan Coils and No Outdoor Thermostat, 1

Outdoor Thermostat, or 2 Outdoor Thermostats

A97400

24 VAC HOT

R

G

W/W1

Y/Y2

O/W2

R

W3

W2

RVS COOLING

C

B

S1

S2

W2

BRYANT

PROGRAMMABLE

THERMOSTAT

MODEL HP

TWO

OUTDOOR

THERMOSTATS

 FA, FB, FC, 

FD, FF, FH

FAN COIL

 HEAT 
PUMP

G

Y1/W2

L

R

O

INDOOR FAN

HEAT STAGE 2

COOL/HEAT
STAGE 1

NOT USED

24 VAC COM

NOT USED

TROUBLE 

OPTIONAL
OUTDOOR
SENSOR
CONNECTION

Y

C

C

E

  

ODT

  

ODT

NOTE:   Remove wires from crimp nut in indoor fan coil 

when installing outdoor thermostats.

IMPORTANT:  When using outdoor thermostats, W2 must be

          energized when requesting supplemental heat. 

  

EHR

  

EHR

EHR

24 VAC HOT

R

G

W/W1

Y/Y2

O/W2

R

W3

W2

E

RVS COOLING

C

B

S1

S2

W2

BRYANT

PROGRAMMABLE

THERMOSTAT

MODEL HP

ONE

OUTDOOR

THERMOSTAT

FA, FB, FC, FD, FF, FH

FAN COIL

 HEAT 
PUMP

G

Y1/W2

L

R

O

INDOOR FAN

HEAT STAGE 2

COOL/HEAT
STAGE 1

NOT USED

24 VAC COM

NOT USED

TROUBLE 

OPTIONAL
OUTDOOR
SENSOR
CONNECTION

Y

C

C

  

ODT

NOTE:   Remove wires from crimp nut in indoor fan coil 

when installing outdoor thermostat.

IMPORTANT:  When using outdoor thermostat, W2 must be

          energized when requesting supplemental heat. 

A97399

24 VAC HOT

R

G

W/W1

Y/Y2

O/W2

RVS COOLING

C

B

S1

S2

BRYANT

PROGRAMMABLE

THERMOSTAT

MODEL HP

FK4C

FAN COIL

 HEAT 
PUMP

Y1/W2

L

INDOOR FAN

HEAT STAGE 2

COOL/HEAT
STAGE 1

NOT USED

24 VAC COM

NOT USED

TROUBLE 

OPTIONAL
OUTDOOR
SENSOR
CONNECTION

R

DH

G

W2

O

Y/Y2

C

Y1

W1

W2

R

Y

C

O

J1 JUMPER

J2 JUMPER

A97372

—5—

Summary of Contents for 661C

Page 1: ...t and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation WARNING Before installing modifying or servicing system main electrical...

Page 2: ...e for wind baffle construction NOTE Unit must be level to within 2 3 8 in ft per compressor manufacturer specifications III CLEARANCE REQUIREMENTS When installing allow sufficient space for airflow cl...

Page 3: ...onnected to Factory Approved In door Unit Outdoor unit contains correct system refrigerant charge for opera tion with indoor unit of same size when connected by 15 ft of field supplied or factory acce...

Page 4: ...measured along the control voltage wires use No 16 AWG color coded wire to avoid excessive voltage drop All wiring must be NEC Class 1 and must be separated from incoming power leads Use furnace trans...

Page 5: ...wires from crimp nut in indoor fan coil when installing outdoor thermostats IMPORTANT When using outdoor thermostats W2 must be energized when requesting supplemental heat EHR EHR EHR 24 VAC HOT R G...

Page 6: ...an coil when installing outdoor thermostats IMPORTANT When using outdoor thermostats W2 must be energized when requesting supplemental heat EHR EHR EHR IF AVAILABLE 24 VAC HOT R C W2 Y G R W3 W2 E G R...

Page 7: ...E If the phasing is incorrect the contactor will not be energized To correct the phasing interchange any two of the three power connections on the field side When thermostat is satisfied its contacts...

Page 8: ...it This chart indicates whether a correct relationship exists between system operating pressure and air temperature entering indoor and outdoor units If pressure and temperature do not match on chart...

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