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5.4 Initial System
Start-Up
Using the EcoNet™ Control Center service menu
(See Section 5.5 below) or using the thermostat and
VSODC TEST & SW2 buttons (See Section 5.6 be
-
low), put the system into the charging mode which will
force it to operate at 100% capacity and indoor air-flow
which is necessary for accurate indoor air-flow
verification and refrigerant charging.
Check to make sure “On-Deman Dehumidification”
is turned off in the EcoNet™ Control Center (or on
the VSODC for conventional 24VAC control applica
-
tions).
5.0 SYSTEM START-UP AND REFRIGERANT CHARGING
5.5 Entering Charge
Mode Using EcoNet
™
Control Center
Menu
1.
Set the “Mode” to the “OFF” position.
2. Select “SERVICE” on the EcoNet™ Control Center
screen.
3. Select “ODU Checkout”. If the next screen dis
-
plays a flashing “Lock-Out” message, there will
be up to a 5 minute delay before it is possible to
continue.
4.
Once the flashing lock-out message disappears,
touch OFF on the screen displayed to the right of
“Var Speed ODU Test”.
5. Touch the “UP” arrow repeatedly until the “Cool
Charge” menu item is displayed depending on
which mode the system is to be charged in.
6. Touch “Start Test”.
7. System will now operate at 100% of capacity and
indoor air-flow to allow proper indoor air-flow ver
-
ification and refrigerant charging until the Charge
Mode is manually ended. There may be a delay
before the system actually starts. If the system
doesn’t start, cycle power to both the indoor and
outdoor units and repeat steps 1-6.
8. To end Charge Mode, touch the “UP” arrow re
-
peatedly until “OFF” is displayed on the screen and
then touch “Stop Test”. Then touch the left arrow
on the screen to return to the main screen.
9. If the indoor blower continues to run continuously
after exiting the Charge Mode, cycle the power to
the air-handler or furnace.
Start Up
5.6 Entering Charge
Mode Using Variable
Speed Outdoor Control
(VSODC) Menu When
Using a Conventional
2-Stage 24VAC
Thermostat
1.
Set the thermostat to the cool mode.
2. Adjust the set point several degrees below
the
room temperature to assure the thermostat is call
-
ing for 2nd stage operation and will continue to do
so throughout the charging process.
3. Depress the TEST and SW2 buttons on the
VSODC at the same time for 5-8 seconds.
4.
The dual seven segment LED display should show
the first menu option of FC.
5. Depress the TEST button one time and the display
should switch to CS which represents Compressor
Speed.
6. Depress the SW2 button to enter the Compressor
Speed Menu.
7. The Display should show a value of 3. If a value
of 1 is displayed, the thermostat is not calling for
2nd stage. Check the wiring and set-point before
proceeding and make the necessary corrections
until a 3 is displayed.
8. System will now operate at 100% of capacity and
indoor air-flow to allow proper indoor air-flow ver
-
ification and refrigerant charging until the Charge
Mode is manually ended. There may be a delay
before the system actually starts. If the system
doesn’t start, cycle power to both the indoor and
outdoor units and repeat steps 1-7.
9. After the charging process is complete, push the
TEST button to exit the Compressor Speed menu
which will allow the thermostat to regain control of
the system. The system will automatically exit the
Compressor Speed menu after 24 hours if it is not
exited manually.
