Lennox XC21 Engineering Data

XC21 - 2 to 5 Ton Air Conditioner / Page 11
OUTDOOR SOUND DATA
1
Unit
Model No.
Octave Band Sound Power Levels dBA, re 10
-12
Watts
1
Sound
Rating
Number
(dB)
Center Frequency - HZ
63 125 250 500 1000 2000 4000 8000
XC21-024 48.5 54.5 61 64 62 60 56 49 69
XC21-036 49 60 65 66.5 64.5 61.5 56.5 50 71
XC21-048 49.5 59.5 66.5 68 67 63 58 52 73
XC21-060 50 60 65.5 70 68.5 64 57 50.5 73
NOTE - the octave sound power data does not include tonal correction.
1
Tested according to AHRI Standard 270-2008 test conditions.
See
Notes
See
Notes
See
Notes
See
Notes
Service
INSTALLATION CLEARANCES - INCHES (MM)
NOTES -
One of these three sides must be 36 in. (914 mm).
One of the two remaining sides may be 12 in. (305 mm).
The remaining side may be 6 in. (152 mm).
Service Clearance − 30 in. (762 mm)
48 in. (1219 mm) clearance required on top of unit
24 in. (610 mm) required between two units
FIELD WIRING
B
DISCONNECT
SWITCH
(By Others)
LENNOX
AIR
CONDITIONER
LENNOX
HEATING UNIT
OR
AIR HANDLER
UNIT
DISCONNECT
SWITCH
(By Others)
THERMOSTAT
(Optional)
C
D
A
A - Two Wire Power (not furnished)
B - Two Power (not furnished) See Electrical Data
C - Four Wire Low Voltage (not furnished) 18 ga. minimum
D - Six Wire Low Voltage (not furnished) 18 ga. minimum
All wiring must conform to NEC or CEC and local electrical codes.

Lennox XC21 Specifications

General

Brand	Lennox
Model	XC21
Category	Air Conditioner
Language	English