Lennox CHA16 User Manual

Page 3
SPECIFICATIONS  CHA161353 & CHA161603
Model No. CHA161353 CHA161603
*
ARI Standard
Total cooling capacity (btuh) 119,000 142,000
*ARI Standard
210/240 Ratin
g
s
Total unit watts 13,220 16,820
210/240
Ratings
or
Standard 360 Ratings
EER (Btuh/Watts) 9.0 8.50
St
an
d
ar
d
360
R
a
ti
ngs
Integrated Part Load Value     8.8
ARI Standard 270 SRN (Bels) 8.8    
Refrigerant (22) Charge
Stage 1
7 lbs 4 oz
10 lbs. 12 oz.
Refrigerant (22) Charge
Stage 2
7 lbs. 4 oz.
7 lbs. 12 oz.
Blower wheel nominal diameter x width (in.) 15 x 15
Nominal motor horsepower 2 3
**Factory
Installed
Maximum usable horsepower 2.30 3.45
Evaporator Blower
y
Installed
Drives
Voltage & phase 208/230/460v3ph
E
vapora
t
or
Bl
ower
and
Di S l ti
Drives
RPM range 730  950
and
Drive Selection
**Optional
Nominal motor horsepower 3 
**Optional
Factor
y
Maximum usable horsepower 3.45 
Factory
Installed
Drives
Voltage & phase 208/230/460v3ph 
Drives
RPM range 730  950 
Et
Net face area (sq. ft.) 9.46 11.9
Evaporator
Coil
Tube diameter (in.) & No. of rows 3/8  4 3/8  3
Coil
Fins per inch 12 12
Cd
Net face area (sq. ft.) 20.0 24.4
Condenser
Coil
Tube diameter (in.) & No. of rows 3/8  2 3/8  2
Coil
Fins per inch 20
Diameter (in.) & No. of blades (2) 20  5 (2) 22  4
Condenser
Air volume (cfm) 6400 Total 7700 Total
Condenser
Fans
Motor horsepower (2) 1/3 (2) 1/2
Motor watts 875 Total 1050 Total
Condensate drain size mpt (in.) 3/4
No. & size of filters (in.) (4) 16 x 25 x 2 (4) 20 x 25 x 2
Electrical characteristics 208/230v or 460v  60 hertz  3 phase
Sound Rating Number in accordance with ARI Standard 270.
*Rated in accordance with ARI Standard 210/240 or
360; 95F outdoor air temperature and 80F db/67F wb entering evaporator air.
**Using total air volume and system static pressure requirements determine from blower performance tables rpm and bhp required. Maximum usable hp of motors
furnished by Lennox are shown. If motors of comparable hp are used, be sure to keep within the service factor limitations outlined on the motor nameplate.
OPTIONAL ACCESSORIES  CHA161353 & CHA161603 (Ordered Extra)
Unit Model No. CHA161353 CHA161603
Model No. ECH16135/160 ECH16135/160
Electric
Kw input range 1520304050
Electric
Heat
*Fuse
208/230 volt 72G10 72G13
Fuse
Block
460 volt 72G11 72G14
Roof Mounting Frame RMF16135/160 (32G91)
Economizer Dampers No. & size of filters (in.) REMD16M135 (2) 16 x 25 x 1 (74G23) REMD16M160 (2) 20 x 25 x 1 (51G25)
Horizontal Economizer Dampers No. & size of filters (in.) EMDH16M135 (2) 16 x 25 x 1 (24H04) EMDH16M160 (2) 20 x 25 x 1 (24H05)
Exhaust Dampers (Net Face Area) GED1695/135/160 (0.43 sq. ft.) (34G80)
Differential Enthalpy Control 54G44
Horizontal Supply and Return Air Kit LB55756BB (35G42) LB55756BC (51G27)
Bottom Power Entry Kit (LB55757CA) 34G70
Ceiling Supply and
StepDown RTD11135 (29G05) RTD11185 (29G06)
C
e
ili
ng
S
upp
l
y an
d
Return Air
Diff
Flush FD11135 (29G09) FD11185 (29G10)
Return
Air
Diffusers
Transition SRT16135 (97H10) SRT16160 (97H11)
Outdoor Air Dampers No. & size of filters (in.) OAD16135 (35G25) (1) 16 x 20 x 1 OAD16160 (51G30) (1) 16 x 20 x 1
Automatic OAD16 Damper Kit 35G21
Low Ambient Control Kit LB57113BH (16J86) LB57113BJ (16J87)
TimedOff Control (2) LB50709BA 40G20
*Must be ordered extra. Factory installed heaters will have fuse block installed. Fuse block must be field installed in field installed heaters.

Lennox CHA16 Specifications

General

Brand	Lennox
Model	CHA16
Category	Air Conditioner
Language	English