background image

SYMPTOM:

 When using 4 wires (R, G, W, Y), 

          the air conditioning or heat equipment tries
          repeatedly to turn on,  but cannot.  At
          times the display dims or disappears.

CAUSE:

 There is not enough power available

          to "power share".

REMEDY:

 Connect a 270 ohm, 10 watt power

          resistor 

at the furnace

 as shown below.

          

TROUBLESHOOTING

Page 10

SYMPTOM:

 The air conditioning does not 

          attempt to turn on.

CAUSE:

 The compressor timer lockout may

          prevent the air conditioner from
          turning on, for a period of time.

REMEDY:

 Consult the Owner's Manual in 

          the Setup section to defeat the 
          cycles per hour and compressor 
          timeguard.

SYMPTOM:

 The display is blank.

CAUSE:

 Lack of proper power.

REMEDY:

 Make sure power is turned on to

          the furnace and that you have 24vac 
          between 

R

 & 

W

.  If 

C

 is used, 24vac 

          between 

R

 & 

C

R

G

W

Y

C

TR300-10w

R

G

W

Y

C

TR300-10w

For Problem A/C

For Problem Heat

Содержание P474-1010

Страница 1: ...AT COOL AUTO COOL 74 HEAT 72 72 Installation Instructions TSTATCCPB101 TSTATBBPB101 P474 1010 Digital Thermostat NOTE Read the entire instruciton manual before starting the installation Form IM TSTAT...

Страница 2: ...CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING THE NEW THERMOSTAT WARNING 2 3 4 5 8 10 9 This device complies with Part 15 of the FCC rules Operation is subject to the following 2 cond...

Страница 3: ...technician for assistance Assemble tools as shown below Flat Blade Screwdriver Wire cutter Stripper Drill with 3 16 inch Drill Bit when not using j box Make sure your Heater Air Conditioner is workin...

Страница 4: ...off easily check for screws Loosen the screws holding the thermostat base or subbase to the wall and lift away Disconnect the wires from the old thermostat Tape the ends of the wires as you disconnect...

Страница 5: ...tor from the rear of the thermostat Install wires as directed below When finished snap thermostat on to backplate Wire from the old thermostat terminal marked Function Install on the new thermostat co...

Страница 6: ...an relay compressor relay 1st stage heat circuit 5 Wire 1 Stage Cooling 1 Stage Gas Heat 4 Wire 1 Stage Cooling 1 Stage Gas Heat Residential Gas or Electric Heat Electric Cool split systems package un...

Страница 7: ...Y1 Y2 W1 W2 O 24 vac common 24 vac return fan relay compressor relay 1st stage heat circuit 2nd stage heat circuit Residential 2 Stage Cooling with Gas or Electric Heat Residential commercial 1 Stage...

Страница 8: ...Commercial Gas or Electric Heat Electric Cool split systems package units including Commercial Heat Pumps No auxiliary heat residential Heat Pumps split systems package units 7 Wire 2 Stage Cooling 2...

Страница 9: ...advanced setup Every thermostat is calibrated before it leaves the factory Under normal circumstances there will never be a need to recalibrate the thermostat again To accommodate special needs the t...

Страница 10: ...pears on the display Press the up down buttons until the set temperature is 10 degrees below room temperature The air conditioner should turn on NOTE Most equipment has a time delay of 5 minutes betwe...

Страница 11: ...PTOM The air conditioning does not attempt to turn on CAUSE The compressor timer lockout may prevent the air conditioner from turning on for a period of time REMEDY Consult the Owner s Manual in the S...

Страница 12: ...setpoint is set too high REMEDY Consult the Owner s Manual in the Setup section to lower the cooling setpoint limit SYMPTOM The heating does not attempt to turn on CAUSE The heating setpoint is set t...

Страница 13: ...BLESHOOTING Page 12 SYMPTOM When calling for cooling both the heat and cool come on CAUSE The Advanced Setup is configured to control a heat pump and the hvac the thermostat is controlling is a conven...

Отзывы: