Lennox CHA16 User Manual

Page 5
SPECIFICATIONS  CHA162553 & CHA162753
Model No. CHA162553 CHA162753
*
ARI
Total Cooling Capacity (Btuh) 210,000 240,000
*ARI
Standard
Total Unit Watts 21,400 26,700
Standard
360
Ratings
EER (Btuh/Watts) 9.8 9.0
Ratings
Integrated Part Load Value 10.4 9.7
Refri
g
erant
(
22
)
Stage 1 18 lbs. 8 oz. 19 lbs. 0 oz.
Refrigerant
(22)
Charge
Stage 2 18 lbs. 8 oz. 19 lbs. 0 oz.
Blower wheel nominal diameter x width (in.) 20 x 18
Nominal motor horsepower 5
**Factory
Installed
Maximum usable horsepower 5.75
Evaporator Blower
Installed
Drives
Voltage & phase 208/230v3ph or 460v3ph
Evaporator
Blower
and
Di S l ti
Drives
RPM range 660  840
and
Drive Selection
**
Optional
Nominal motor horsepower 7.5
**O
pt
i
ona
l
Factor
y
Maximum usable horsepower 8.60
Factory
Installed
Drives
Voltage & phase 208/230v3ph or 460v3ph
Drives
RPM range 750  905
Net face area (sq. ft.) 21.0
Evaporator Coil
Tube diameter (in.) & No. of rows 3/8  3
Evaporator
Coil
Fins per inch 13
Net face area (sq. ft.) 48.5
Condenser Coil
Tube diameter (in.) & No. of rows 3/8  2
Condenser
Coil
Fins per inch 20
Diameter (in.) & No. of blades (2) 26  4
Condenser
Air volume (cfm) 14,000 (Total)
Condenser
Fans
Motor horsepower (2) 1
Motor watts 2100 (Total)
Condensate drain size mpt (in.) (2) 1
No. & size of filters (in.) (6) 20 x 25 x 2
Electrical characteristics 208/230v or 460v  60 hertz  3 phase
* Rated in accordance with ARI Standard 360; 95F outdoor air temperature and 80F db/67F wb entering evaporator air; minimum external duct static pressure.
**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.
208,000 Btuh and 9.6 EER at 208 volts.
238,000 Btuh and 8.9 EER at 208 volts.
OPTIONAL ACCESSORIES  CHA162553 & CHA162753 (Ordered Extra)
Unit Model No. CHA162553 & CHA162753
Model No. ECH16185/275 ECH16275/300
Electric
Kw input range 30456075 90
Electric
Heat
*Fuse
208/230 volt 50H28
Fuse
Block
460 volt 50H31
Roof Mounting Frame RMF16300 (41H04)
Economizer Dampers with Gravity Exhaust No. & size of filters (in.) REMD16M300(44H47)(3)20x25x1
Differential Enthalpy Control 54G44
Model No
208/230v
PED16300 (44H79)
Power
Model No.
460v
PED16300 (44H80)
Power
Exhaust
F
Diameter (in.) & No. of Blades (3) 165
Exhaust
Fans
(Down

Flo Only)
Total air volume (cfm) 6300
(D
own
Fl
o
O
n
l
y
)
Motor Horsepower (3)1/4
Watts Input (total) 750
Horizontal Supply and Return Air Kit (LB55756BE) 41H23
Ceiling Supply and
StepDown RTD11275 (29G07)
Ceiling
Supply
and
Return Air
Diff
Flush FD11275(29G11)
Return
Air
Diffusers
Transition SRT16300(97H13)
Outdoor Air Dampers  No. & size of filters (in.) OAD16300 (1)26x31x1 (40H47)
Automatic OAD16 Damper Kit 35G21
Low Ambient Control Kit (LB57113BL) 16J89
*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