7
Unit Configuration
Item
Value
Description
20
1 : Heat pump
Unit Configuration
0 : AC Only
(indoor unit with or without electric heaters)
Defaults to Heat Pump
21
1---199 in increments of 1
CCN Address of the unit
Defaults to 1
To display the hundreds, icon ON/OFF is
.
22
0 –199 in increments of 1
Zone number --- Communications zone the system is located in
Defaults to 0
To display the hundreds, icon ON/OFF is
.
24
0 : Start in Off Mode
Auto Restart
1 : Start in last mode
Defaults to “On”
This mode will exit automatically after 30 seconds of no buttons
being depressed.
NOTE
: If units are grouped to one Room Controller, all units will
end up having the same configuration value.
Service test mode
There is a hidden service test mode that is initiated through a
combination of button presses when the remote is off. The
following combination must be pressed within a 6 seconds period:
DOWN--FAN--UP--FAN--MODE
Once in service test mode, the service test mode message will be
sent, and “Sr“ will be displayed in the temperature icons until the
“DOWN“ button is pressed.
During Service Test mode all the icons are off, the only button that
is active is the “DOWN” button.
To cancel Service Test Mode, press the “DOWN“ button to send a
normal message with “OFF“ mode.
Service Test Mode automatically times out after 30 minutes and the
remote will operate normally.
S
When test mode is selected, the unit will operate as
described below:
⎯
The Unit Status (Green) and Timer (Yellow) LEDS
blink every 2 seconds.
⎯
The indoor fan will operate according to
user--selected speed. If user selected speed is Auto,
the fan will run in High speed.
⎯
If the unit is configured as an A/C Only unit, it will
operate in cool mode with demand.
S
The louver will operate according to user--selected
position. If user selected louver is Auto, louver operates
according to cool louver.
⎯
If the unit is configured as a Heat Pump unit, the
louver will operate according to user--selected
position. If user selected louver is Auto, louver
operates according to auto heat or cool louver based
on operating mode.
The unit will run in cool mode for 3 minutes, then it
will run in heat mode for 2 minutes, or until the
indoor coil is greater than 104
_
F. The unit will run
in cool mode until test mode is exited.
Any of the following will cancel the test Mode:
S
When the unit is turned off by the controller.
S
If the power is cycled during the Test Mode, the unit will
return to its normal operating mode.
S
After 30 minutes of receiving the last valid test request
message.
S
Fail Mode
Troubleshooting
Symptom
Possible Cause
Things to check
Solution
No LCD display
1) mis---wiring of the 12 volt power
to Room Controller control.
Verify that + 12 V and Ground are connected to
the proper terminals of the Controller.
Reference Installation wiring section for correct
connections
After disconnecting the
power, correct the wiring
problem and re---cycle
power.
2) Power not online
Check that the units main power is connected.
The main control board should be operating
normally
After verifying the wiring
to the Room Controller,
re---cycle the unit power.
3) No 12 volts between P and G of
terminal block.
Check the installation of the J6 plug on the
main control board.
After disconnecting the
power, correct the wiring
problem and re---cycle
power.
+12 volts applied to
Room Controller at
the correct terminals
and still does not
operate
1) The Room Controller is dam-
aged.
Change the Room Con-
troller and re---cycle pow-
er.
33MC
--
U
RC
