8
P/N 032498h
Step 3: Select the HVAC Controller
1
This section explains configuring the thermostat for the type of controller connected to it. Configuration is required when a new
thermostat is added.
WARNING
Shock Hazard.
Improper configuration can cause property damage, personal injury, or death. Installation and
service must be performed by a licensed professional HVAC installer (or the equivalent) or service agency.
1.
Enter HVAC controller selection mode.
The thermostat will automatically enter HVAC controller selection mode if an HVAC
controller has not previously been selected.
If no HVAC controller is going to be connected directly to the thermostat, skip this section. This is known as a companion thermostat
and configuration will be completed by a certified Lutron dealer via the HomeWorks QS Designer software.
2.
Select value for parameter ID “01”: Select the HVAC controller connected to the thermostat.
Using the table below, press
or to select the correct option for the HVAC controller being used and press
.
Values based on HVAC controller
SMC55-RESI
Mitsubishi
A1M
Cool Automation
CoolPlug
LG
PDRYCB500
Parameter ID 01:
HVAC controller option
01
02
03
04
Parameter ID 02:
Modbus address
01-02*
01-31
(set by DIP
switches
1-5)*
99*
01-08
(set by DIP
switches 1-4)*
3.
Select value for parameter ID “02”: Select the Modbus address.*
Using the table above, press or to select the desired
Modbus address and press
.
* For information see instructions included with the controller.
4.
Exit HVAC controller selection mode.
When “End” is shown, press and hold
until the backlight
flashes (3 seconds).
Note:
“E1” will show on the display if the thermostat is not able to communicate with the HVAC controller.
See the
Troubleshooting
section on page 30.
Note:
If a new HVAC controller is connected to the thermostat, the HVAC controller selection mode will
need to be re-entered. To re-enter the controller selection menu follow the steps below.
a. Press and hold
and
until the backlight flashes (3 seconds).
b.
For controller selection mode
- Release the buttons and immediately press and hold until the backlight stops flashing and
“CO” is shown (3 seconds).
Figure 3: Display on Thermostat in HVAC Controller selection mode
CO = HVAC controller
selection mode
Parameter value
Set
Press to select current value
and proceed to next parameter.
Press to change parameter value
Press to go back to previous
step.
Parameter ID
1
Included with HomeWorks Palladiom Thermostat version 1.10 or newer.
Equipment type configuration
(if two equipment types).