30
7.5 EcoNet
TM
2-Stage Outdoor Control (TSODC)
7.5 EcoNet
TM
2-Stage Out-
door Control
All models are equipped with a EcoNet
TM
enabled
2-Stage Outdoor Control (TSODC) that interfaces with
the inverter, EcoNet
TM
Control Center, and EcoNet
TM
enabled air-handler or gas furnace using the EcoNet
TM
serial communication protocol. The TSODC provides
connections for various sensors, controls, and out
-
door fan motor. It also has a dual 7-segment LED for
displaying status and fault codes. Buttons are provid
-
ed for navigating the control menu and to initiate and
terminate various test modes. A plug-in memory card
provides model specific information (model data) nec
-
essary for proper unit operation and parameters for the
correct indoor air-flow.
7.5.1 TSODC Features and
Connections (See Fig 1)
•
Displays status and diagnostic codes (see Status
and Diagnostic Description)
•
Displays diagnostic/fault recall (see section 10.1)
CAUTION:
UNIT MAY START
SUDDENLY AND WITHOUT WARNING.
Solid red light indicates a thermostat call for unit
operation is present at the TSODC control. TSODC
control will attempt to start unit after short cycle timer
expires or when in Active Protection mode will attempt
to restart unit prior to Lockout mode.
Line Voltage Connector
•
Line voltage is connected to control board at
terminals 208/230 VAC
Thermostat Connector (P9)
•
R-24VAC from the indoor unit 24VAC transformer
(40 VA minimum)
Figure 6
Ambient
Sensor
O.D. Fan
2 Stage
Compressor
Solenoid Output
High Pressure
Control Input
Low Pressure
Control Input
Compressor
Contactor “CC”
Low Voltage Fuse
Line Voltage
Connection
Thermostat
Connection
Dual 7 Segment
LED
Select Button
Up Button
Memory
Card
Figure 1. EcoNet
TM
2-Stage Outdoor Control
EcoNet Enabled 2-Stage Control
TM
Summary of Contents for A17 Series
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