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50ZHK: Installation Instructions
*
UNIT SIZE
NOMINAL CAPACITY (ton)
SHIPPING WEIGHT (lb)
(kg)
COMPRESSOR TYPE
REFRIGERANT
REFRIGERANT QUANTITIY (lb)
QUANTITY (kg)
OUTDOOR METERING DEVICE
ORIFICE ID (in.)
(mm)
OUTDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
OUTDOOR FAN
NOMINAL AIRFLOW (CFM)
DIAMETER (in.)
DIAMETER (mm)
MOTOR HP (RPM)
INDOOR METERING DEVICE
ORIFICE ID (in.)
(mm)
INDOOR COIL
ROWS...FINS/in.
FACE AREA (sq. ft)
INDOOR BLOWER
NOMINAL COOLING AIRFLOW (CFM)
NOMINAL SIZE D x L (in.)
(mm)
MOTOR (HP)
HIGH-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
LOW-PRESSURE SWITCH (psig)
CUTOUT
RESET (AUTO)
RETURN-AIR FILTERS
THROWAWAY (in.)
(mm)
*. 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 throwaway type or 450 ft/min (137 m) for high capacity type. Recommended filters are 1-in. (25 mm) thick.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
TOP COVER
Power Wiring
Control Wiring
Condenser Airflow
Evaporator Airflow
Fig. 7 – Typical Installation
Table 1 – Physical Data
024
2
312
142
6.3
2.9
TXV
-
-
1...20
9.1
2000
20
508
1/8 (825)
0.057
1.448
2...12
4.3
800
8 x 11
254 x 203
1/3
*
20x20x1
508x508x25
RETURN
AIR
POWER AND
LOW-VOLTAGE
ENTRY
COMPOSITE
RUST-PROOF
BASEPAN
CONDENSATE
DRAIN
CONNECTION
030
036
2.5
3
333
334
151
152
SCROLL
R-410A
9.8
6.8
3.1
3.1
Piston
0.055
0.057
1.397
1.448
1...20
2...20
9.1
9.1
2000
2800
20
20
508
508
1/8 (825)
1/4 (1100)
Piston
0.063
0.067
1.600
1.702
3...15
3...15
4.3
4.3
1000
1200
8 x 11
9 x 12
254 x 203
279 x 229
1/2
1/2
650 +/- 15
420 +/- 25
20 +/- 5
45 +/- 10
24x30x1
20x24x1
610x762x
508x610x25
25
6
INDOOR
THERMOSTAT
FROM
POWER
SOURCE
DISCONNECT
PER NEC
(UNIT AND
ELECTRIC
HEATER)
042
048
3.5
4
388
407
177
185
7.7
9.0
3.5
4.1
TXV
0.059
-
1.499
-
2...20
2...20
10.2
13.0
3100
3100
20
20
508
508
1/4 (1100)
1/4 (1100)
TXV
0.076
-
1.930
-
3...15
3...15
4.9
4.9
1400
1600
9 x 12
11 x 12
279 x 229
279 x 229
1/2
3/4
24x36x1
610x914x25
A08207
060
5
475
215
12.0
5.4
Piston
0.070
1.778
2...20
15.5
3300
20
508
1/3 (1100)
TXV
-
-
3...15
6.1
1850
11 x 12
267 x 305
1
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