Install Manual

8
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. 7 -- Typical Installation
Table 1 – Physical Data
UNIT SIZE 024 030 036 042 048 060
NOMINAL CAP ACITY (ton) 2 2.5 3 3.5 4 5
SHIPPING WEIGHT (lb)
(kg)
312
142
333
151
334
152
388
177
407
185
475
215
COMPRESSOR TYPE SCROLL
REFRIGERANT R-410A
REFRIGERANT QUANTITIY (lb)
QUANTITY (kg)
7.00
3.18
7.20
3.27
6.30
2.86
9.10
4.13
7.70
3.49
11.5
5.22
OUTDOOR METERING DEVICE TXV Piston TXV Piston
ORIFICE OD (in.)
(mm)
---
---
0.049
1.245
0.057
1.448
0.059
1.499
---
---
0.070
1.778
OUTDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
2...20
9.1
2...20
10.2
2...20
10.2
2...20
13.0
2...20
15.5
2...20
15.5
OUTDOOR FAN
NOMINAL AIRFLOW (cfm)
DIAMETER (in.)
DIAMETER (mm)
MOTOR HP (RPM)
2000
20
508
1/8 ( 825)
2000
20
508
1/8 ( 825)
2800
20
508
1/4 ( 1100)
3100
20
508
1/4 ( 1100)
3100
20
508
1/4 ( 1100)
3300
20
508
1/3 ( 1100)
INDOOR METERING DEVICE Piston TXV TXV
ORIFICE OD (in.)
(mm)
0.059
1.499
0.059
1.499
0.067
1.702
0.076
1.9304
---
---
---
---
INDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
3...12
4.3
3...14
4.3
3...12
4.9
3...14
4.9
3...14
4.9
3...14
4.9
INDOOR BLOWER
NOMINAL COOLING AIRFLOW (cfm)
NOMINAL SIZE D x L (in.)
(mm)
MOTOR (HP)
800
10 x 8
254 x 203
1/3
1000
11 x 9
279 x 229
1/3
1200
11 x 9
279 x 229
1/2
1400
11 x 9
279 x 229
1/2
1600
11 x 9
279 x 229
3/4
1700
12 x 11
305 x 279
1
HIGH-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
650 +/- 15
420 +/- 25
LOW-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
20 +/- 5
45 +/- 10
RETURN-AIR FILTERS
THROWAWAY (in.)
(mm)
20x20x1
508x508x25
24x30x1
610x762x25
24x36x1
610x914x25
*Required filter sizes shown are based on the AHRI (Air Conditioning, Heating & Refrigeration Institute) rated airflow at a velocity of 300 ft/min (91 m) for throw-
away type or 450 ft/min (137 m) for high capacity type. Recommended filters are 1 ---in. (25 mm) thick.
Table 2 – Minimum Airflow for Safe Electric Heater Operation
HP Unit
Size
Minimum Airflow (CFM)
5kW 7.5 kW 10 kW 15 kW 20 kW
24 750 800 800 X X
30 750 800 800 X X
36 750 800 800 1200 X
42 750 800 800 1200 X
48 750 800 800 1200 1800
60 750 800 800 1200 1800
X = NOT APPROVED COMBINATION
PH4Z