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Step 3: Select the HVAC Controller
This section explains configuring the thermostat for the type of controller connected to it. Configuration is required when a new
thermostat is added.
Shock Hazard. Improper configuration can cause property damage, personal injury, or death. Installation and
WARNING
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.
Figure 3: Display on Thermostat in HVAC Controller selection mode
Equipment type configuration
(if two equipment types).
Press to select current value
and proceed to next parameter.
Press to go back to previous
step.
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
Parameter ID 01:
HVAC controller option
Parameter ID 02:
Modbus address
3. Select value for parameter ID "02": Select the Modbus address.* Using the table above, press
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
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
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
b. For controller selection mode - Release the buttons and immediately press and hold
"CO" is shown (3 seconds).
Included with HomeWorks Palladiom Thermostat version 1.10 or newer.
1
Parameter value
Values based on HVAC controller
Mitsubishi
SMC55-RESI
A1M
01
02
01-31
(set by DIP
01-02*
switches
1-5)*
.
section on page 30.
until the backlight flashes (3 seconds).
1
Set
Cool Automation
LG
CoolPlug
PDRYCB500
03
04
01-08
99*
(set by DIP
switches 1-4)*
8
CO = HVAC controller
selection mode
Parameter ID
Press to change parameter value
.
or
until the backlight
until the backlight stops flashing and
P/N 032498h
to select the desired
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