6
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
2.5
3
3.5
4
5
SHIPPING WEIGHT (lb)
(kg)
286
130
298
136
329
150
352
160
354
161
402
183
COMPRESSOR TYPE
RECIPROCATING
SCROLL
REFRIGERANT
R-410A
REFRIGERANT QUANTITY (lb)
QUANTITY (kg)
3.3
1.5
4.0
1.8
5.3
2.4
5.9
2.7
5.0
2.3
6.2
2.8
METERING DEVICE ID
Piston
TXV
ORIFICE OD (in.)
(mm)
0.059
1.50
0.059
1.50
0.067
1.70
0.073
1.85
0.082
2.08
N/A
OUTDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
1...20
9.1
1...20
9.1
2...20
9.1
2...20
10.2
2...20
10.2
2...20
13.0
OUTDOOR FAN
NOMINAL AIRFLOW (cfm)
DIAMETER (in.)
DIAMETER (mm)
MOTOR HP (RPM)
2400
20
508
1/8 (800)
2400
20
508
1/8 (800)
2700
20
508
1/4 (1050)
2700
20
508
1/4 (1050)
2700
20
508
1/4 (1050)
3000
20
508
1/3 (1100)
INDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
2...12
4.3
3...12
4.3
3...12
4.3
3...12
4.9
3...12
4.9
3...12
6.1
INDOOR BLOWER
NOMINAL COOLING AIRFLOW
(cfm)
SIZE L x D (in.)
(mm)
MOTOR (HP)
800
8 x 11
203 x 279
1/3
1000
8 x 11
203 x 279
1/3
1200
9.5 x 12
241 x 305
1/2
1400
9.5 x 12
241 x 305
1/2
1600
9.5 x 12
241 x 305
3/4
1750
10.5 x 12
267 x 305
1
HIGH-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
650 +/- 15
420 +/- 25
RETURN-AIR FILTERS
THROWAWAY (in.)
(mm)
20 x 20 x 1
508 x 508 x 25
20 x 24 x 1
508 x 610 x 25
24 x 30 x 1
610 x 762 x 25
24 x 36 x 1
610 x 914 x 25
*Required filter sizes shown are based on the AHRI (Air Conditioning, Heating and Refrigeration Institute) rated airflow at a velocity of 300 ft/min for throwaway
type or 450 ft/min for high capacity type. Recommended filters are 1---in. (25.4 mm) thick.
Table 2 – Minimum Airflow for Safe Electric Heater Operation
AC Unit Size
Minimum Airflow (CFM)
5 kW
7.5 kW
10 kW
15 kW
20 kW
24
600
750
750
X
X
30
600
750
750
X
X
36
600
750
750
1050
X
42
600
750
750
1050
X
48
600
750
750
1050
1600
60
600
750
750
1050
1600
X = Not Approved Combination
PA
3Z
B