Lennox International Inc Lennox Air Handler, Merit CBX25UH Series Installing Date

Installing Contractor’s Name_______________________	Installing Date_______________________________
Installing Contractor’s Phone_______________________	Air Handler Model #___________________________
Job Address____________________________________

1

Duct

System

8

Temperature

5

Duct Static

RETURN

AIR

Thermostat
9			Line Voltage
SUPPLY
AIR	Disconnect
	Switch
			3
	2	Integrated Control
		6	Blower Motor Amps
		7	Electric Heat Amps
Filter	4	Drain Line

1DUCT SYSTEM SUPPLY AIR DUCT

	Sealed
	Insulated (if necessary)
	Registers Open and Unobstructed
	RETURN AIR DUCT
	Sealed
	Filter Installed and Clean
	Registers Open and Unobstructed
2	INTEGRATED CONTROL
	Jumpers Configured Correctly (if applicable)
	Appropriate Links in Place (if applicable)
3	VOLTAGE CHECK
	Supply Voltage ___________
	Low Voltage _____________
	Electrial Connections Tight

4DRAIN LINE Leak Free

5 TOTAL EXTERNAL STATIC (dry coil)

dry coil	wet coil
Supply External Static ______	______
Return External Static ______	______
Total External Static = ______	______

6ELECTRIC HEAT AMPS____________

7INDOOR BLOWER AMPS___________

INDOOR BLOWER CFM____________

8TEMPERATURE DROP (Cooling Mode) Return Duct Temperature ___________

Supply Duct Temperature − ___________

Temperature Drop = ___________

8TEMPERATURE RISE (Heating Mode) Return Duct Temperature __________

Supply Duct Temperature − __________

Temperature Rise = __________

9 THERMOSTAT Adjusted and Programmed

Operation Explained to Owner

Explained Operation of System to Homeowner

Technician’s Name:_______________________Date Start−Up & Performance Check Completed__________

Figure 16. Start-Up and Performance Checklist (Upflow Configuration)

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