Lennox CHA16, Руководство по обслуживанию

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SPECIFICATIONS CHA161853
Model No.
CHA161853
*ARI
Total cooling capacity (btuh) 178,000
*ARI
Standard
Total unit watts 20,300
Standard
360
EER (Btuh/Watts) 8.8
360
Ratings
Integrated Part Load Value 9.6
Refrigerant
Stage 1
Refrigerant
(22) Stage 2
7 lbs. 9 oz.
(22)
Charge
Stage 3
7 lbs. 9 oz.
Blower wheel nominal diameter x width (in.) 18 x 18
Factory
Nominal motor horsepower 3
Evaporator
Factory
Installed
Maximum useable horsepower 3.45
Evaporator
Blower
Installed
**Drives
Voltage & Phase 208/230/460v3ph
Blower
and
**Drives
RPM Range 610 780 and
Drive
S ti
Factory
Nominal motor horsepower 5
Section
Factory
Installed
Maximum useable horsepower 5.75
Installed
**Drives
Voltage & Phase 208/230/460v3ph
**Drives
RPM Range 770 980
Evaporator
Net face area (sq. ft.) 16.0
Evaporator
Coil
Tube diameter (in.) & No. of rows 3/8 3
Coil
Fins per inch 13
Condenser
Net face area (sq. ft.) 30.5
Condenser
Coil
Tube diameter (in.) & No. of rows 3/8 2
Coil
Fins per inch 20
Diameter (in.) & No. of blades (2) 26 4
Condenser
Air volume (cfm) 12,000 Total
Condenser
Fan(s)
Motor horsepower (2) 1
Fan(s)
Motor watts 2200 Total
Condensate Drain Size mpt (in.) 1
No. & Size of filters (in.) (4) 24 x 24 x 2
Electrical characteristics 208/230 to 460 volt 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 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 CHA161853 (Ordered Extra)
Unit Model No. CHA161853
Model No. ECH16185/275
Kw input range 1530456075
Electric
Heat
*F
208/230 volt (with 3 hp motor) 29H26
Heat
*Fuse
Block
208/230 volt (with 5 hp motor) 29H27
Block
460 volt 29H31
Roof Mounting Frame RMF16185 (12H05)
Economizer Dampers with Gravity Exhaust No. & size of filters (in.) REMD16M185 (40H14) (2) 25 x 25 x 1
Differential Enthalpy Control 54G44
Model No
208/230 volt PED16185 (12H16)
Power
Model No.
460 volt PED16185 (12H17)
Power
Exhaust
Diameter (in.) & No. of Blades (2) 16 5
Exhaust
Fans
(DownFlo Only)
Total air volume (cfm) 4200
(DownFlo Only)
Motor Horsepower (2) 1/4
Watts Input (total) 500
Horizontal Supply and Return Air Kit (LB55756BD) 12H04
Ceiling Supply and
StepDown RTD11185 (29G06)
Ceiling Supply and
Return Air
Diffusers
Flush FD11185 (29G10)
Diffusers
Transition SRT16185 (97H12)
Outdoor Air Dampers No. & size of filters (in.) OAD16185 (12H03) (1) 25 x 27 x 1
Automatic OAD16 Damper Kit 35G21
Low Ambient Control Kit (LB57113BK) 16J88
*Must be ordered extra. Factory installed heaters will have fuse block installed. Fuse block must be field installed in field installed heaters.