Carrier Thermostat Instruções de Operação descarregar pdf (Página 3)

Table 1 — Thermostat Wiring Terminations

EXISTING

WIRE

DESIGNATION

FUNCTION

TERMINAL

CONNECTION

GorF Fan G

Y1, Y, or C Cooling Y1

W1, W, or H Heating W1/O/B

Rh, R, M, Vr, or A Power (24 v) R

C Common C*

O/B Reversing Valve W1/O/B†

Y2 Second Stage Cooling Y2*

W2 Second Stage Heating W2*

*Terminals C, W2, and Y2 may not be used in all applications.

†Used on Heat Pump applications only.

Set Clock — The Set Clock button allows the user to change

the time and day displayed on the thermostat. Press the Set

Clock button. The current time will blink on and off. Press

the UPARROW and DOWN ARROW buttons until the cor-

rect time is shown. Hold down the buttons to quickly move

through the time display. The AM and PM annunciators will

automatically change. Hold down the Fan button while press-

ing UP ARROW or DOWN ARROW to change the time by

hours instead of minutes. To ensure the schedules are prop-

erly followed, make sure that AM or PM is correct for the

time chosen. When the correct time is shown, press the Mode

button to modify the day of the week. The current day will

blink on and off. Press the UP ARROW and DOWN AR-

ROW buttons until the correct day is shown. Press the Set

Clock button again to exit the Set Time mode.

Heat Pump Conﬁguration — To conﬁgure the ther-

mostat for heat pump operation,Advanced Setup Steps 3 (Heat

Pump Operation) and 4 (Reversing Valve Polarity) must be

conﬁgured correctly. See the Conﬁgure Advanced Setup sec-

tion for information on conﬁguring these options.

NOTE: Some large commercial rooftop heat pump units

(50HJQ,TJQ,EJQ) must be conﬁgured with Advanced Setup

Step 3 (Heat Pump Operation) set to OFF. Refer to the base

unit instructions for more information.

Conﬁgure Advanced Setup — To enter into the ad-

vanced setup screens of the thermostat, press the Mode and

Program buttons at the same time. The Advanced Setup Step

number is shown in the top right corner of the thermostat

screen. Use the Mode button to advance through the steps.

There are 15 Advanced Setup Steps. See Table 2. Press the

Program button at any time to exit the Advanced Setup mode.

NOTE: Advanced Setup Steps 1 and 2 are conﬁgured with

the Set Clock button, and are not accessed through the ad-

vanced setup screens.

HEAT PUMP CONFIGURATION (Steps 3 and 4) — To set

the thermostat for heat pump operation, Advanced Setup

Step 3 must be conﬁgured to ON. Use the UP and DOWN

ARROW buttons to conﬁgure the step. The default is OFF.

Press the mode button to continue to Step 4. Step 4 is used

to set the reversing valve polarity for the heat pump. The

variable can be set to either ‘‘B’’or ‘‘O.’’ Set the reversing

valve polarity to the correct value depending on the appli-

cation. The default is ‘‘O.’’

NOTE: Step 4 will appear only if Step 3 is set to ON.

Step 5 will appear only if Step 3 is set to OFF.

ELECTRIC HEAT CONFIGURATION (Step 5) — Step 5

is used to conﬁgure the thermostat for electric heat. The vari-

able can be conﬁgured ON or OFF. The default is OFF.

NOTE: Step 5 will appear only if Step 3 is set to OFF.

Table 2 — Advanced Setup Conﬁguration

STEP DESCRIPTION RANGE DEFAULT

1* Time of Day

12:00 AM -

11:59 PM

12:00 AM

2* Day of the Week

Sunday through

Saturday

Monday

3 Heat Pump Off/On Off

Reversing Valve

Polarity

O/B O

5 Electric Heat Off/On Off

6 Deadband 1 - 6 degrees 2

Forced Minimum

Temperature Difference

0 - 6 degrees 2

8 Cycles per Hour d, d1,2-6 6

9 Thermoglow™ Backlight Off/On On

Reset Service

Filter Icon

——

Service Filter

Run Time

0-1950 hrs 500 hrs

12 Temperature Units F/C F

13 Security Level 0 - 3 0

Maximum Allowable

Heat Set Point

35 - 99 F (1-37 C) 80 F (27 C)

Minimum Allowable

Cooling Set Point

35 - 99 F (1-37 C) 65 F (18 C)

*Accessed and conﬁgured through the Set Clock button.

TYPICAL

UNIT

24 VAC COMMON

FAN RELAY

COMPRESSOR RELAY

1st STAGE HEAT CIRCUIT

24 VAC RETURN

2nd STAGE HEAT CIRCUIT

THERMOSTAT

Fig.3—Typical Wiring (Single-Stage Cooling Units)

TYPICAL

UNIT

24 VAC COMMON

FAN RELAY

COMPRESSOR RELAY

1st STAGE HEAT CIRCUIT

24 VAC RETURN

2nd STAGE COMPRESSOR RELAY

2nd STAGE HEAT CIRCUIT

THERMOSTAT

Fig.4—Typical Wiring (Two-Stage Cooling Units)

1 2 3 4 5 6 7 8

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