T775A/B/M SERIES 2000 CONTROLLER

1. PROGRAMMING

Programming the T775A/B/M Controller

To program the controller, perform the following procedures in the order listed:

1.Enter Program mode — see “1.1. Entering Program Mode”

2.Program the Outputs — see “1.2. Program Menu for Outputs” on page 14

When programming is complete, you may continue with “3. Scheduling” on page 30 or, for advanced options, continue with “2. Setup (Advanced Options)” on page 17.

MENU

PROGRAM

MENU

PROGRAM

MOD 1

MOD 2

RELAY 1

RELAY 2

RELAY 3

RELAY 4

EXIT

 

MENU

OR

PROGRAM

 

RELAY 1

RELAY 2

RELAY 3

RELAY 4

EXIT

M24492

1.1. Entering Program Mode

Press the MENU button, then select PROGRAM and press the X button to view the Program menu.

Fig. 26 shows the Program menus for controllers with and without Modulating Outputs.

NOTE: Modulating outputs are not available on the T775A and T775B controller models.

Fig. 26. Program Menu.

 

 

 

 

 

 

MENU

PROGRAM

 

 

PROGRAM

 

 

 

RELAY 1

 

 

RELAY 1

 

 

 

 

SETPOINT

DIFFRNTL

SENSOR

HEAT/COOL

SETBACK

EXIT

Fig. 27. Program Menu Outputs.

 

1.2. Program Menu for Outputs

 

Press the MENU button, select PROGRAM, then select

 

RELAY 1 (or MOD 1) to view the parameters. Fig. 27

 

shows RELAY 1.

 

NOTE: For MOD 1 and 2, THROT RNG replaces

 

DIFFRNTL.

 

NOTE: The Setback parameter displays only if schedul-

 

ing is enabled (see Fig. 55 on page 24) or the DI

 

Option is set to Setback. (see Fig. 57 on

M24493

page 25).

Continue with “1.2.1. SETPOINT”.

PROGRAM

RELAY 1

SETPOINT

MENU

PROGRAM

RELAY 1

SETPOINT

70 oF

 

ENTER

 

SETPOINT

 

FOR

 

RELAY 1

M24494

1.2.1. SETPOINT

1.From the menu, use the S and T buttons to high- light SETPOINT.

2.Press the X button to display the setpoint value.

3.Use the S and T buttons to increase/decrease the desired setpoint temperature.

Default: 70°F (21°C)

Range: -40°F to 248°F (-40°C to 120°C)

4.Press the X button to accept the setpoint tempera- ture and display the next option.

Fig. 28. Program - Setpoint.

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Honeywell AC-220-7, AC-140-7 manual Programming the T775A/B/M Controller, Entering Program Mode, Program Menu for Outputs

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