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Fig. 25—Variable-Speed 2-Stage Condensing

Furnace — Without DE Connection —

With 1-Speed Heat Pump (Dual Fuel)

A97420

O/W2

W/W1

Y1/W2

G

R

THERMIDISTAT

VARIABLE-SPEED

CONDENSING

FURNACE

1-SPEED

HEAT PUMP

W/W1

G

Y/Y2

C

Y

W2

R

O

C

DHUM

HUM

B

S1

S2

R

C

HEAT STAGE 2

(FURNACE LO)

HEAT STAGE 3

(FURNACE HI)

HEAT/COOL 

STAGE 1

(COMPRESSOR)

RVS COOLING

 FAN

24 VAC HOT

24 VAC COMM

DEHUMIDIFY

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

W2

Y/ Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 3, 7, 9, 10, 11, 14, 15, and 17

DH

HUM

Fig. 23—Variable-Speed 2-Stage Condensing

Furnace — Without DE Connection -

With 1-Speed Air Conditioner

A97418

O/W2

W/ W1

Y1/W2

G

R

THERMIDISTAT

VARIABLE-SPEED

CONDENSING

FURNACE

1-SPEED

AIR CONDITIONER

W/W1

G

Y/Y2

C

Y

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 1

N/A

COOL STAGE 1

HEAT STAGE 2

 FAN

24 VAC HOT

24 VAC COMM

DEHUMIDIFY

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 6, 10, 11, 13, and 15

DH

HUM

Fig. 26—Variable-Speed 2-Stage Condensing

Furnace — Without DE Connection —

With 2-Speed Heat Pump (Dual Fuel)

A97421

O/W2

W/ W1

Y1/W2

G

R

THERMIDISTAT

VARIABLE-SPEED

CONDENSING

FURNACE

2-SPEED

HEAT PUMP

W/W1

G

Y/Y2

C

Y2

W3

R

Y1

W2

O

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 3

(FURNACE)

HEAT/COOL 

STAGE 1

(COMPRESSOR LO)

HEAT/COOL 

STAGE 2

(COMPRESSOR HI)

RVS COOLING

 FAN

24 VAC HOT

24 VAC COMM

DEHUMIDIFY

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/ Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 3, 4, 5, 8, 9, 10, 11, 14, 16, and 17

DH

HUM

Fig. 24—Variable-Speed 2-Stage Condensing

Furnace — Without DE Connection —

With 2-Speed Air Conditioner

A97419

O/W2

W/W1

Y1/W2

G

R

THERMIDISTAT

VARIABLE-SPEED

CONDENSING

FURNACE

2-SPEED

AIR CONDITIONER

W/W1

G

Y/Y2

C

Y2

R

Y1

C

DHUM

HUM

B

S1

S2

W2

R

C

HEAT STAGE 1

COOL STAGE 1

COOL STAGE 2

HEAT STAGE 2

 FAN

24 VAC HOT

24 VAC COMM

DEHUMIDIFY

HUMIDIFY

N/A

OUTDOOR

SENSOR

CONNECTION

Y/Y2

HUMIDIFIER

(24 VAC)

OUTDOOR 

SENSOR

See notes 6, 10, 11, 13, and 16

DH

HUM

—16—

Содержание II TSTAT-0-16

Страница 1: ...mable configuration it will still have both temperature and humidity control Humidify and dehumidify outputs provide direct control of humidity Batteries are not used During power loss an internal mem...

Страница 2: ...O SET OFF for normal operation This is factory default ON for installer test mode III INSTALL THERMIDISTAT CONTROL WARNING Before installing Thermidistat Control turn off all power to equipment There...

Страница 3: ...small display and available selections within each option large display D Configuration Options Selection OPTION 1 ANTICIPATOR ADJUSTMENT This adjustment controls sensitivity and cycle rate of Thermi...

Страница 4: ...ll Select ON for super dehumidification Y with no G on a dehumidify only call Factory default is OF off TO SELECT 1 Enter configuration mode if not already there See Step 4 To Enter Configuration Mode...

Страница 5: ...ons 1 2 and 3 For most heaters W1 is lower wattage heater and W2 is higher although some have equal elements for W1 and W2 Consult fan coil heater combination for the actual wattage connected to each...

Страница 6: ...ould be considered permanent Once the change to non programmable operation is done a procedure is not provided to easily change it back Should this change be needed it is best to trade the Thermidista...

Страница 7: ...he U S Department of Energy for both heating and cooling These provide energy saving tempera ture settings Refer to Table 3 If programmed schedule is to be used make sure HOLD icon is off This feature...

Страница 8: ...equipment type and dehumidify selection choice The 3 available selections are described below The amount of extra dehumidification available is very dependent on the type of equipment in the home With...

Страница 9: ...n on high humidity thus removing a 24 vac signal to initiate dehumidification Equip ment has been designed to operate in this manner so the Thermidistat Control must now accommodate the existing equip...

Страница 10: ...TEM PERATURE button C Fifteen Minute Staging Timer In multistage heating or cooling this timer prevents any higher stage from turning on until preceding stage has been on for 15 minutes This timer is...

Страница 11: ...TDOOR SENSOR CONNECTION Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR See notes 1 6 13 and 15 Fig 6 Typical Fan Coil With 2 Speed Heat Pump A97385 O W2 Y1 W2 W W1 G R E W3 THERMIDISTAT TYPICAL FAN COIL 2 SPEE...

Страница 12: ...1 2 6 13 and 15 REMOVE J2 JUMPER FOR HEAT STAGING REMOVE J1 JUMPER FOR DEHUMIDIFY MODES Fig 10 FK Series Fan Coil With 2 Speed Heat Pump A98281 O W2 W W1 Y1 W2 G R O Y1 THERMIDISTAT FK SERIES FAN COIL...

Страница 13: ...OUTDOOR SENSOR CONNECTION Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR Fig 14 Single Stage Furnace With 2 Speed Heat Pump Dual Fuel A97394 O W2 W W1 Y1 W2 G R THERMIDISTAT 1 STAGE FURNACE 2 SPEED HEAT PUMP W...

Страница 14: ...UTDOOR SENSOR CONNECTION Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR See notes 6 13 and 15 Fig 18 Two Stage Furnace With 2 Speed Heat Pump Dual Fuel A97398 O W2 W W1 Y1 W2 G R THERMIDISTAT 2 STAGE FURNACE 2...

Страница 15: ...SOR CONNECTIONS Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR See notes 6 10 12 13 and 15 Fig 22 Variable Speed 2 Stage Non Condensing Furnace With 2 Speed Heat Pump Dual Fuel A97437 O W2 W W1 Y1 W2 G R THERM...

Страница 16: ...NNECTION Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR See notes 6 10 11 13 and 15 DH HUM Fig 26 Variable Speed 2 Stage Condensing Furnace Without DE Connection With 2 Speed Heat Pump Dual Fuel A97421 O W2 W...

Страница 17: ...R SENSOR CONNECTION Y Y2 HUMIDIFIER 24 VAC OUTDOOR SENSOR See notes 6 10 11 13 15 and 18 Fig 30 Variable Speed 2 Stage Condensing Furnace With DE Connection With 2 Speed Heat Pump A98285 O W2 Y1 W2 W...

Страница 18: ...attached in all dual fuel applications 10 Refer to indoor equipment Installation Instructions for proper setup 11 To activate dehumidify feature on older style variable speed furnaces Bryant 335MAV t...

Страница 19: ...ed recovery time and gradually adjusts room temperature so desired temperature will be achieved at selected recovery time The fixed time period is 1 5 hr It operates in both heating and cooling This o...

Страница 20: ...ideo based formats and materials All include video and or slides plus companion book Classroom Service Training plus hands on the products in our labs can mean increased confidence that really pays di...

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