Lennox International Inc. SL28003 Thermostat User Manual


 
506920−01 09/12
Page 12
Add (or Remove) Humiditrol
®
or Auxiliary Dehumidifier (skip if no dehumidifying device is being used)
Before adding a dehumidifier, be sure that:
S the dehumidifier is wired to the furnace or air handler control as shown on the Option-
al Accessories wiring diagram (see Page 61),
S the entire system is wired, powered up, and the thermostat has detected the sys-
tem’s installed communicating devices, and you are at the Add or Remove Non−
communicating equipment?" screen (see figure 7, Page 8).
Add or Remove
Non−communicating
equipment?
If ’no’, press Next Step
yes
nextback
edit
to add/remove/adjust a device,
select it, then press edit
Not Installed
current value:
non−communicating device list
NOTE − Adding humidity regulating non−communicating devices may be a 2−step procedure:
1st, the device must be installed (this page; after the dehumidifier is installed, the opera-
tion mode defaults to Basic").
2nd, set Humiditrol
®
comfort adjust overcooling and the min/max dehumidification set-
points if desired (see Page 16).
To add (or remove) a dehumidifier, you must be at the Add or Remove Non−communicating
equipment?" screen.
1. Press the yes button on this screen (see 1).
2. In the non−communicating device list" screen, use the arrows (2a) to highlight
Dehumidifier and press edit (2b). Note the current value (e.g. Not Installed).
3. Touch one of the radio buttons (3a) to select the type of dehumidifier (or select Not
Installed, if removing dehumidifier); press save (3b).
4. When you scroll to the Dehumidifier device (4a), (Note the current value, e.g.
Humiditrol.) Click back (4b) to return to the Add or Remove..." screen (1).
5. The Add or Remove..." screen reappears with your addition shown in the system
devices list (5a). At this point, you may add more equipment (press yes) or if
finished, press the next button (5b) to advance to the Adjust a setting..." screen
(see Page 13).
Humiditrol
®
NoteĊBy default, the Humiditrol Comfort Adjust (HCA) is configured for maxi-
mum overcooling and minimum dehumidification setpoint of 40% RH. If these settings are
satisfactory, no further configuration is necessary. If another setting is needed, change HCA
and setpoint as described on Page 16.
1
2b
Not Installed Humiditrol
Auxiliary Dehumidifier
Select one
Dehumidifier
cancelsave
3b
3a
system devices
System
Furnace
Humidifier
Dehumidifier
Electronic Air Cleaner
edit
to add/remove/adjust a device,
select it, then press edit
Humiditrol
current value:
non−communicating device list
Humidifier
Dehumidifier
Electronic Air Cleaner
back
5a
system devices
nextback
yes
Add or Remove Non−
communicating
equipment?
System
Heat Pump
Furnace
Thermostat
Humiditrol
4a
4b
2a
5b
Figure 10. Add or remove non−communicating deviceĊDEHUMIDIFIER