Preventative maintenence inspection on Bryant geothermal package unit. System is operating in good condition. Visual inspection of air coil. Flush condensation drain pan and drain trap. Compressor capacitor tested within spec. Shut down humidifier. 30x36x2 air filter in good condition. Test ran system in cooling mode. Performed heat of rejection test. System is operating in second stage cooling at ~66K BTUH. Ground loop pressure is at 45psi stagnant. Did not check refrigerant as there is no issues suspected. System is operating properly, efficiently and ready for Summer.