Carrier 50PG03-16 Specifikace stáhnout pdf (Strana 5)

CONFIGURING THE CONTROL SYSTEM

Configuring the

Comfort

Link™ Control (48/

50HG Units) — The ComfortLink control must be config-

ured to use the enthalpy control. These configurations are

changed through the Scrolling Marquee display or a Carrier

Comfort Network device.

NOTE: Consult the Controls, Start-Up, Operation, Service and

Troubleshooting Instructions for in-depth instructions on using

and configuring the ComfortLink control. The following

instructions are written for the Scrolling Marquee display or

Navigator™ accessory.

1. The ComfortLink control must be configured to use the

economizer accessory. A password may be required to

edit the configurations depending on previous settings

configured in the unit. Default password is “1111”.

2. To configure the ComfortLink control, use the arrow

keys to scroll the red LED on the display to the

“Configuration” position and press .

3. Use the arrow keys to scroll down until the display shows

“ECON”. This is the Economizer Configuration sub

menu. Press .

4. The control will display the Economizer Installed

(Configuration

→

ECON

→

EC.EQ)setting.Usethe

arrow keys to scroll down until the display shows

“EN.SW”. This is the enthalpy switch configuration.

Press once to select the Configuration

→

ECON

→

EN.SW setting for configuration. Press

again for “0” to begin flashing.

5. Use the arrow keys to change the configuration to “1” for

a normally open switch. The Carrier accessory and wiring

is shown for normally open. Change the configuration to

“2” if using a normally closed switch. Then press

and to save the setting.

6. For economizer cooling to occur, the enthalpy sensor

must sense “LOW” enthalpy and the outdoor-air temper-

ature (Temperatures

→

AIR.T

→

OAT), as measured by

the unit control sensor, must be lower than the Economiz-

er Cooling High Temperature Limit (ECL.H) and higher

than the Economizer Cooling Low Temperature Limit

(ECL.L). The values of ECL.H and ECL.L may be

viewed and changed in the Configuration

→

ECON

submenu.

7. If additional economizer control accessories have been

added or other configuration parameters are to be

changed from the factory defaults, then repeat the follow-

ing steps:

a. Use the arrow keys to scroll up or down to the

parameter to change. Press once to select

the setting for configuration.

b. Press again. The configuration value will

flash.

c. Use the arrow keys to change the configuration

value.

d. Press and to save the setting.

8. Configuration of the ComfortLink control is now com-

plete. Pressing multiple times will return the

display to the auto-scrolling setting.

9. The status of the enthalpy switch is accessible by viewing

the ENTH input located in the Input

→

SW.IN submenu.

10. Close and secure all access doors.

Configuring the

Comfort

Link Control 48/50PG

Units) —

The ComfortLink control must be configured to

use the enthalpy control. These configurations are changed

through the Scrolling Marquee display or a Carrier Comfort

Network device.

NOTE: Consult the Controls, Start-Up, Operation, Service and

Troubleshooting Instructions for in-depth instructions on using

and configuring the ComfortLink control. The following

instructions are written for the Scrolling Marquee display or

Navigator accessory.

1. The ComfortLink control must be configured to use the

economizer accessory. A password may be required to

edit the configurations depending on previous settings

configured in the unit. Default password is “1111”.

2. To configure the ComfortLink control, use the arrow

keys to scroll the red LED on the display to the

“Configuration” position and press .

3. Use the arrow keys to scroll down until the display shows

“ECON”. This is the Economizer Configuration sub

menu. Press .

4. The control will display the Economizer Installed

(Configuration

→

ECON

→

EC.EN) setting. Use the

arrow keys to scroll down until the display shows

“EN.SW”. This is the enthalpy switch configuration.

Press once to select the Configuration

→

ECON

→

EN.SW setting for configuration. Press

again for “0” to begin flashing.

5. Use the arrow keys to change the configuration to “1” for

a normally open switch. The Carrier accessory and wiring

is shown for normally open. Change the configuration to

“2” if using a normally closed switch. Then press

and to save the setting.

6. For economizer cooling to occur, the enthalpy sensor

must sense “LOW” enthalpy and the outdoor-air temper-

ature (Te mperatures

→

AIR.T

→

OAT), as measured by

the unit control sensor, must be lower than the Economiz-

er Cooling High Temperature Limit (EH.LO) and higher

than the Economizer Cooling Low Temperature Limit

(EL.LO). The values of EH.LO and EL.LO may be

viewed and changed in the Configuration

→

ECON sub-

menu or in the Setpoints main menu.

7. If additional economizer control accessories have been

added or other configuration parameters are to be

changed from the factory defaults, then repeat the follow-

ing steps:

a. Use the arrow keys to scroll up or down to the

parameter to change. Press once to select

the setting for configuration.

b. Press again. The configuration value will

flash.

c. Use the arrow keys to change the configuration

value.

d. Press and to save the setting.

8. Configuration of the ComfortLink control is now com-

plete. Pressing multiple times will return the

display to the auto-scrolling setting.

9. The status of the enthalpy switch is accessible by viewing

the ENTH input located in the Input

→

GEN.I submenu

or the Run Status

→

ECON submenu.

10. Close and secure all access doors.

ENTER

ENTER ESCAPE

ENTER

ENTER ESCAPE

ESCAPE

ENTER

ENTER ESCAPE

ENTER

ENTER ESCAPE

ESCAPE

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