icomfortt−enabled Air Handler & conventional non−communicating Heat Pump unit
An icomfort air handler (CBX32MV or CBX40UHV) with a conventional non− communicating heat pump 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 System Wiring diagram on Page 59
and Optional Accessories Wiring (Page 61) for any accessories be- ing installed with the system.
D4−conductor thermostat wire from the icomfort
DConventional thermostat wire with 5 to 6 conductors from icom- fort air handler to conventional HP (5 – 8 wires). (Y1, C, R, W1, O, and on some models Y2)
DWiring as required for accessories
3.On air handler control, with 2−stage HP cut the tage Compr"
onboard clippable link. Cut W951 between W1 & W2 for two−stage electric heat only.
4.After the entire system is wired, power up the system; the icomfort Wi- Fit thermostat will check the system for installed communication de- vices.
5.In the installer setup button, select
ing equipment | yes button. |
6.Select the ype" from the device list using the up/down
arrows and press the edit button. Then select the heat pump type (1−stage HP or 2−stage HP) and press the save button.
7.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.
8.Select Balance Point Control (if outdoor sensor is installed) and press
edit. Use the down arrow to select | save. High and |
Low Balance Points will appear in red. |
|
9.Complete Balance Point Control by editing the High and Low Balance Points. It is not necessary to change the defaults, but you must save each setting. The red settings will go away after pressing save. Press the back button to return to the adjust screen.
10.Use the arrows to select Air Handler from system devices 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 all CFM settings are complete, press the back button. Address any red settings as described in steps 8 and 9. Press next step to advance to the tests button.
11.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 operate as designed. Press done.
12.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.
SHigh & low balance points are enabled and adjusted under the installer
section of the thermostat. In the equipment button select
press edit. Scroll down to Point Control" and press edit and select Enabled and then save.
SIf an optional outdoor temperature sensor has been installed, you may display the outdoor temperature on the home screen of the thermostat.
To turn on (or off) the emp Display". From the Home screen, press press for more area and select the HELP icon. Press the user preferences box and scroll down to emp Display". Press
the modify button and use the up/down arrows to select On (or Off) and then press the save button. Press done to return to the Home screen.
Page 71 | icomfort |
