Lennox CHA16, Руководство по обслуживанию

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SPECIFICATIONS - CHA16823 & CHA16953
Model No. CHA16823 CHA16953
*ARI Standard
Total cooling capacity (Btuh) 73,000 88,000
*ARI Standard
210/240
R ti
Total unit watts 8,110 9,780
210/240
Ratings
EER (Btuh/Watts) 9.0 9.0
ARI Standard 270 SRN (Bels) 8.6 8.6
Refrigerant (22) Charge
Stage 1 5 lbs. 10 oz. 6 lbs. 4 oz.
Refrigerant (22) Charge
Stage 2 5 lbs. 2 oz. 5 lbs. 14 oz.
Blower wheel nominal diameter x width (in.) 12 x 12
Evaporator Blower
Nominal motor horsepower 2
Evaporator Blower
and
D i S l ti
**Factory
Installed
Maximum usable horsepower 2.30
and
Drive Selection
y
Installed
Drives
Voltage & phase 208/230/460v3ph
Drives
RPM range 740 1010
Net face area (sq. ft.) 7.75
Evaporator Coil
Tube diameter (in.) & No. of rows 3/8 3
p
Fins per inch 14
Net face area (sq. ft.) 15.67
Condenser Coil
Tube diameter (in.) & No. of rows 3/8 2
Fins per inch 20
Diameter (in.) & No. of blades 24 4
Condenser
Air volume (cfm) 4800 5300
Condenser
Fans
Motor horsepower 1/2 3/4
Motor watts 620 660
Condensate drain size mpt (in.) 3/4
No. & size of filters (in.) (4) 16 x 20 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; 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 CHA16823 & CHA16953 (Ordered Extra)
Unit Model No. CHA16823 & CHA16953
Model No. ECH1682/95
Electric
Kw input range 1015203040
Electric
Heat
*Fuse
208/230 volt 61H86 (823) 61H83 (953)
Fuse
Block
460 volt 61H87 (823) 61H84 (953)
Roof Mounting Frame RMF1695 (32G90)
Economizer Dampers No. & size of filters (in.) REMD16M95 (74G22) (2) 16 x 25 x 1
Horizontal Economizer Dampers No. & size of filters (in.) EMDH16M95 (24H03) (2) 16 x 25 x 1
Exhaust Dampers (Net Face Area) GED1695/135/160 (0.43 sq. ft.) (34G80)
Differential Enthalpy Control 54G44
Horizontal Supply and Return Air Kit (LB55756BA) 34G71
Bottom Power Entry Kit (LB55757CA) 34G70
Ceiling Supply and
R t Ai
StepDown RTD1195 (29G04)
Ceiling Supply and
Return Air
Diffusers
Flush FD1195 (29G05)
Diffusers
(Net Weight)
Transition SRT1695 (33G96)
Outdoor Air Dampers No. & size of filters (in.) OAD1695 (35G26) (1) 16 x 20 x 1
Automatic OAD16 Damper Kit 35G21
Low Ambient Control Kit (LB57113BG) 15J80
TimedOff Control (2) LB50709BA 40G20
*Must be ordered extra. Factory installed heaters will have fuse block installed. Fuse block must be field installed in field installed heaters.