GSX14 Service Manual

SERVICING
70
1
2
R
C
12RC
12RC
CTK0*
Thermostat
CT™ Compatible
Modular Blower
Inte
g
rated Control Module
CT™ Compatible AC/HP
Inte
g
rated Control Module
System Wiring Using Four-Wires
TWO-WIRE OUTDOOR, FOUR-WIRE INDOOR WIRING
Two wires only may be utilized between the indoor and
outdoor units. For this wiring scheme, only the data lines, 1
and 2, are required between the indoor and outdoor units. A
40VA, 208/230 VAC to 24 VAC transformer must be installed
in the outdoor unit to provide 24 VAC power to the outdoor
unit’s electronic control. The transformer is included with the
CTK0* kit. See kit instructions for mounting and wiring
instructions. Four wires are required between the indoor unit
and thermostat.
1
2R
C
12RC
12
RC
CTK0*
Thermostat
CT Compatible
Modular Blower
Inte
g
rated Control Module
CT Compatible
AC/HP Integrated
Control Module
40VA Transformer
(
included in
CTK0*** kit)
208/230 VAC
24 VAC
System Wiring using Two-Wires between Furnace and AC/
HP and Four-Wires between Furnace and Thermostat
COMFORTNET™ SYSTEM ADVANCED F EATURES
The ComfortNet system permits access to additional system
information, advanced setup features, and advanced diag-
nostic/troubleshooting features. These advanced features
are organized into a menu structure. The menus are ac-
cessed and navigated as described as follows.
ACCESSING AND NAVIGATING THE ADVANCED FEATURES
MENUS
The advanced system features are accessed using the
ComfortNet™ thermostat. These advanced features are
accessed as follows:
• On the CT thermostat Home Screen Display, touch the
Menu key to display additional key choices.
• Touch and hold the Installer Config key for approxi-
mately 3 seconds to enter the Thermostat Options
Configuration menu.
• Touch and hold the Installer Config key again for
approximately 3 seconds to enter the Advanced In-
staller Configuration menu.
Clean Display
Installer
Config
Set Time
Set
Schedule
Run
Schedule
Upon entering the advanced menus, the Advanced Fault
Menu is displayed. The display will change to the Fault
Screen and indicate any faults that may be present in the
indoor or outdoor equipment. If a fault is present, the Fault
Screen will show the equipment and an error code with a
description of the fault. Touch
_
or
+
keys to view the fault
status of any remaining equipment. The text “NO FAULTS”
will be scrolled if no errors are present.
Menu
Run
Schedule
Call for Service
Advanced
Menu
Run
Schedule
Call for Service
Advanced
Touch the
+
or
_
to step through the list of installed
equipment, including the thermostat. Touch the Installer
Config key to enter the submenus for the equipment dis-
played. The text “WORKING” will be displayed in the
scrolling display area while the data is being retrieved. The
first sub-menu is then displayed. See tables below for listing
of modular blower submenus.
Touch the + or
_
to step through the list of submenus and
view settings. If a setting can be adjusted,
_
and
+
keys
will appear. Use the
_
or
+
keys to adjust the setting to the
desired value. Touch the
+
or
_
to step to the next item.
“WORKING” will appear as the settings are being updated.
“DONE” will appear to indicate the change was accepted. If
the change is not accepted, the display will show “FAIL”
then revert to the Fault Screen.
Some parameters being displayed switch between the item
name and the item value. Touch the Hold key to momentarily
stop the display from switching.