icomfortt 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 control 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. Wiring Communicating Indoor / Non−Communicating Out-
door System Wiring diagram on Page 59 and Optional Accessories Wiring (Page 61) for any accessories being installed with the system.
D4−conductor thermostat wire from the icomfort
Dicomfort air handler to conventional AC (5 – 8 wires). (Y1, Y2, C, R, W1,W2)
DWiring as required for accessories
3. On 2−stage AC, cut the | 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 Wi- Fit thermostat will check the system for installed communication de- vices.
6.In the installer setup button, select
ing equipment | yes button. |
7.Select the ype" from the device list using the up/down
arrows and press the edit button. Then select the AC type (1−stage AC or 2−stage AC) and press the save button.
8.On the thermostat, go past the
vices" to the o adjust a setting" screen. Select the
device list using the up/down arrows and press the edit button
9.Use the arrows to select
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
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 button.
10.Test the system operation and confirm the system is electrically ener- gized 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 button.
TIPS
SIf the thermostat fer a choice for
heat" and or the electric heat will not function; the electric heat has not been configured. Configure the electric heat as described on Page 64, or for complete detail, see the Air Handler installation instructions. Re- configure the icomfort system by entering the installer program and se- lecting the setup button and following the prompts.
SIf the thermostat f
choices and does not offer a choice for
non−communicating air conditioning unit. Selectnon− communicating" under the setup button in the Installer Section. Select
Unit Type", press the | edit button and then choose Stage |
AC" or tage AC" and press the | save button. |
SOn two−stage Air Conditioners you must cut the tage Compr" Link on the air handler control.
Page 69 | icomfort |
