Trane RAUC-C50, RAUC-C30 Final System Setup, System Start-Up, Recommended Operating Setpoints

System Start-Up

Final System Setup

After completing the Pre-start and Start-up procedures outlined in the previous sections, perform these final checks before leaving the unit:

[ ] Turn the 115 volt control circuit switch 1S2 “Off”.

[ ] Program the Night Setback (NSB) panel (if applicable) for proper unoccupied operation. Refer to the programming instructions for the specific panel.

[ ] Verify that the “System” selection switch and the “Fan Mode” selection switch at the Remote panel is set correctly.

[ ] Verify that the “System” control switch for the supply fan or the chilled water pump is “On”.

[ ] Set the correct “Operating Temperature” for the system at the system controller. Refer to Figure 17 for the recommended control set points for the appropriate control option.

[ ] Turn the 115 volt control circuit switch 1S2 “On”. The system will start automatically once a request for cooling has been given.

[ ] Verify that all exterior panels and the control panel doors are secured in place.

Table 17. Recommended Operating Setpoints

Control		Control Setting	Recommended Setting
		Supply Air Setpoint	Set at design discharge (supply) air temperature;
			minimum setting = 55o F
Discharge Air
Controller			Set at maximum amount of allowable reset for supply
(VAV units only)		Reset Setpoint
			air setpoint.
		Control Band	Set at 6o F Minimum Setpoint
		Leaving Fluid Setpoint	Set at design leaving chilled water temperature
			(typically) 44o F
Chiller Control		Reset Setpoint	Set at maximum amount of allowable reset for
(EVP units only)			leaving fluid setpoint.
Freezestat
		Control Band	Set at 6o F Minimum Setpoint
		Low Limit Solution Temperature	Set at 5o F Minimum above the Chilled Solution
			Freeze Temperature
Zone Thermostat (CV units		Zone Setpoint	Set at desired space temperature.
only)
Note: "No Controls" Units	See System Engineer

102 SS-SVX09A-EN