icomfort Touch 7−Day Programmable Communicating Thermostat
Page 41
icomfort enabled Air Handler & conventional non−communicating Air Conditioner
An icomfort air handler (CBX32MV or CBX40UHV) with a
conventional non−communicating AC unit.
NOTE − IMPORTANT! Be sure to set up the air handler con-
trol for heat strips (if used) prior to powering up the system
and thermostat.
1. Configure air handler control (AHC) for auxiliary heat
strips if used.
2. Wiringsee Communicating Indoor / Non−Commu-
nicating Outdoor System Wiring diagram on Page 34
and Optional Accessories Wiring (Page 35) for any
accessories being installed with the system.
4−conductor thermostat wire from the icomfort Touch
thermostat to the air handler (R, i+, i−, C)
icomfort air handler to conventional AC (5 – 8 wires).
(Y1, Y2, C, R, W1,W2)
Wiring as required for accessories
3. On 2−stage AC, cut the "W915 2 Stage Compr" onboard
clippable link.
4. On air handler control, remove jumper between W1 & W2
for two−stage electric heat only.
5. After the entire system is wired, power up the system; the
icomfort Touch thermostat will check the system for
installed communication devices.
6. In the installer setup tab, select Add or Remove non−
communicating equipment by using the yes button.
7. Select the Outdoor Unit Type" from the device list using
the up/down arrows and press the edit button. Then se-
lect the AC type (1−stage AC or 2−stage AC) and press the
save button.
8. On the thermostat, go past the add/remove non−commu-
nicating devices" to the adjust a device" screen. Select
the System 49W95" from the device list using the up/
down arrows and press the edit button
9. Use the arrows to select Air Handler" from system de-
vices list; press edit. From this Air Handler screen you
will have access to the various airflow settings. Set the
system air volumes according the needs of the home.
When you change certain settings, the system will
prompt you to please view and save all red settings".
Use the arrows to select the red settings and press edit.
Either make changes or not, but press save either way.
The red settings will go away after pressing save. When
all CFM settings are complete, press the back button.
Press next step to advance to the tests tab.
10. Test the system operation and confirm the system is elec-
trically energized and operational. Particularly, test the
heat strips (when used) to insure the auxiliary stages
have been detected and are operational. Press done.
11. Exit the installer setup mode by selecting the EXIT tab.
TIPS
If the thermostat System Setting" does not offer a choice
for emerg. heat" and or the electric heat will not function;
the electric heat has not been configured. Configure the
electric heat as described on Page 36, or for complete
detail, see the Air Handler installation instructions. Re-
configure the icomfort system by entering the installer
program and selecting the setup tab and following the
prompts.
If the thermostat System Setting" only shows heat only
or off choices and does not offer a choice for cooling"
you must Install" the non−communicating air condition-
ing unit. Select Add or Remove non−communicating" un-
der the setup tab in the Installer Section. Select Outdoor
Unit Type", press the edit button and then choose 1
Stage AC" or 2 Stage AC" and press the save button.
On two−stage Air Conditioners you must cut the W915
2 Stage Compr" Link on the air handler control.
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