MORTEX PRODUCTS INC. 501 TERMINAL RD FORT WORTH, TX 76106 Page 25
SECTION 12: FINAL SYSTEM CHECKS AND STARTUP
NOTE: Only qualified service personnel can perform this
procedure.
1. Remove the control box cover by removing the screws that
secure the cover to the control box.
2. Confirm that the incoming supply power wires are connected
to the correct terminals on the circuit breaker(s) and that they
are securely fastened to the screw terminals.
3. Confirm that the incoming thermostat wires are connected to
the correct terminals on the low voltage terminal block and that
they are securely fastened to the screw terminals.
4. Reinstall the control box cover with the screws that were
removed in step #1.
5. Switch the circuit breaker(s) in the main electrical panel (circuit
breaker box) to the “ON” position.
6. Switch the circuit breaker(s) in the furnace control box to the
“ON” position.
7. Set the thermostat FAN selector switch to the “ON” position
and check for proper blower operation and check all duct
connections for air leaks. Seal any leaks that are found.
8. Set the thermostat FAN selector switch to the “AUTO” position.
9. Set the thermostat to the HEAT mode and set the thermostat
setpoint above the room temperature to check for proper
operation of the electric heaters.
10. Set the thermostat to the COOL mode and set the thermostat
setpoint to below the room temperature to check for proper
operating of the cooling system (if applicable).
11. Set the thermostat to the desired mode and temperature.
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