Install Instructions
Page 2 of 4 www.fast-stat.com
For installation assistance, our technical support line can
be reached at 1-800-775-4750, Mon-Thurs, 9am-5pm PST,
or emailed at info@nordictech.ca
After the Model 9000 has been configured, follow the
steps below to ensure it is working properly.
1. Remove the thermostat from its sub-base. With a
jumper, make a connection between ‘R’ and ‘G’ on
the thermostat terminal strip. The fan should activate.
Repeat this process for ‘Y1’, ‘Y2’, ‘W’, and ‘O/B’. If
all functions activate, the Model 9000 is working as
intended. Check that the thermostat is configured
properly.
2. Using a voltmeter, measure across the ‘R’ and ‘C’
terminals at both the indoor unit and heat pump. Both
should read 24VAC. If the heat pump has no voltage
and the Grounded Commons wiring method is being
used, check that the Indoor Unit Module and Heat
Pump Module are grounded properly.
3. At the Heat Pump Module, disconnect the orange wire
from the condenser cable and connect it to the heat
pump ‘R’ terminal. The reversing valve should energize
and the compressor should start (the heat pump may
have a built-in time delay). If the heat pump fails to
start, the wiring is incorrect or the Heat Pump Module
is defective.
4. At the Indoor Unit Module, disconnect the orange wire
from the condenser cable. Connect the previously
disconnected condenser cable wire to the indoor unit
‘R’ terminal. The reversing valve should energize and
the compressor should start. If the heat pump fails to
start but started in the previous test, there is an issue
with the condenser cable or Indoor Unit Module.
5. At the Indoor Unit Module, disconnect the blue
wire and connect to the indoor unit ‘R’ terminal.
The reversing valve should energize. Remove this
connection afterwards. Repeat this process with the
Indoor Unit Module’s brown wire. The compressor
should activate. If the previous test was successful
but the compressor or reversing valve will not activate
from this test, either the wiring is incorrect or the
Indoor Unit Module is defective.
1. Set the thermostat for ‘Fan Manual On’. The fan should
start. Then set it back to ‘Fan Auto Mode’. The fan
should stop.
2. Set the thermostat to call for cooling. The fan and
compressor should start. Depending on the type of
heat pump, the reversing valve may activate. Set the
thermostat to stop calling for cooling. The fan and
compressor should stop.
3. Set the thermostat to call for heating. The fan and
compressor should start. Depending on the type of
heat pump, the reversing valve may activate. Set the
thermostat to stop calling for heating. The fan and
compressor should stop.
4. Set the thermostat to call for ‘Backup’ or ‘Emergency’
heating. The indoor unit’s heating system should
start. Set the thermostat to stop calling for Backup or
Emergency heating. The indoor unit’s heating system
should stop.
Troubleshooting
Start Up Testing
Contact Us




