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TOP COVER
INDOOR
THERMOSTAT
DISCONNECT
PER NEC
(UNIT AND
ELECTRIC
HEATER)
FROM
POWER
SOURCE
RETURN
AIR
POWER AND
LOW-VOLTAGE
ENTRY
COMPOSITE
RUST-PROOF
BASEPAN
CONDENSATE
DRAIN
CONNECTION
Power Wiring
Control Wiring
Condenser Airflow
Evaporator Airflow
A08207
Fig. 6 -- Typical Installation
Table 1 – Physical Data
UNIT SIZE 024 030 036 042 048 060
NOMINAL CAPACITY (ton) 2 2--1/2 3 3--1/2 4 5
OPERATING WEIGHT (lb)
(kg)
293
133
324
147
377
171
389
176
384
174
433
196
COMPRESSOR Scroll Ultra Tech Scroll
REFRIGERANT (R--22)
Quantity (lb)
(kg)
7.5
3.4
10.3
4.7
10.3
4.7
11.9
5.4
11.4
5.2
13.3
6.0
REFR IGERANT METERING DEVICE AccuRater
®
TXV
Orifice ID (in.) 0.067 0.067 0.082 0.086 – –
Orifice OD (in.) 0.049 0.057 0.059 0.063 0.070 0.073
CONDENSER COIL Copper Tubes, Aluminum Plate Fins
Rows…Fins/in. 2…21 2…21 2…21 2…21 2…21 2…21
Face Area (sq. ft.) 11.1 12.7 15.8 15.8 13.3 15.8
CONDENSER FAN Propeller
Nominal Cfm 2600 2600 3200 3200 3200 3300
Diameter (in.)
(mm)
20
508
20
508
20
508
20
508
20
508
20
508
Motor HP (RPM) 1/8 (825) 1/8 (825) 1/4 (1100) 1/4 (1100) 1/4 (1100) 1/2 (1100)
EVAPORATOR COIL Copper Tubes, Aluminum Plate Fins
Rows…Fins/in. 3…17 3…17 4…17 4…17 4…17 4…17
Face Area (sq. ft.) 4.3 4.9 4.9 6.1 4.9 6.1
Evaporator blower Direct Drive
Nominal Airflow (Cfm) 800 1000 1200 1400 1600 1875
Size (in.)
(mm)
10x8
254 x 203
11x9
279 x 229
11x10
279 x 254
Motor HP (RPM) 1/2 (1050) 1/2 (1050) 3/4 (1050) 3/4 (1050) 1 (1050) 1 (1050)
CONNECTING DUCT SIZES Round
Supply Air (in.)
(mm)
14
356
Return Air (in.)
(mm)
14
356
Return--Air Filt ers* Throwaway (in.)
(mm)
24 x 24
610 x 610
24 x 30
610 x 762
30 x 30
762 x 762
*Required filter sizes shown are based on the ARI (Air conditioning & Refrigeration Institute) rated airflow at a velocity of 300 ft/min (91 m) for throwaway type or
450 ft/min (137 m) for high capacity type. Rec ommended filters are 1---in. (25 mm) thick.
664B