Lennox CHA16 User Manual

Page 6
SPECIFICATIONS  CHA163003
ModelNo. CHA163003
*
ARI
TotalCoolingCapacity(btuh) •284,000
*ARI
Standard
TotalUnitWatts 33,400
Standard
360
Ratings
EER(Btuh/Watts) 8.5
Ratings
IntegratedPartLoadValue 9.1
Refri
g
erant
(
22
)
Stage1
20 lbs 0 oz
Refrigerant

(22)
Charge
Stage2
20lbs.0oz.
Blowerwheelnom.diameterxwidth(in.) 20x18
Nominalmotorhorsepower 7.5
**Factory
Installed
Max.usablehorsepower 8.6
Evaporator Blower
Installed
Drives
Voltage&phase 208/230v3phor460v3ph
Evaporator

Blower
and
Di S l ti
Drives
RPMrange 610780
and
DriveSelection
Optional
Nominalmotorhorsepower 10
O
pt
i
ona
l
**Factor
y
Max.usablehorsepower 11.5
Factory
Installed
Drives
Voltage&phase 208/230v3phor460v3ph
Drives
RPMrange 770980
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3
Condenser

Coil
Finsperinch 16
Diameter(in.)&No.ofblades (2)264
Condenser
Airvolume(cfm) 14,500(Total)
Condenser
Fans
Motorhorsepower (2)1
Motorwatts 2200(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 at ARI Standard 360 Test Conditions.
*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.
OPTIONAL ACCESSORIES  CHA163003(Ordered Extra)
Unit Model No. CHA163003
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)
P
ower
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 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