Technical Guide

5126749-YTG-A-0715
Johnson Controls Unitary Products 3
NOMENCLATURE
COMPONENT LOCATION
PCE 4 A 24 50 2 X 1 A
1234 6 89
1. Model Family
PCE - packaged A/C with electric heat,
PHE - packaged heat pump with electric heat,
PCG - packaged A/C with gas heat,
PHG - packaged heat pump with gas heat,
5. Gas Heating Input BTU/Hr x 1000
050 = 50,000 BTU/Hr. input, blank = electric heat
6. Voltage-Phase-Frequency
2 = 208/230-1-60, 3=208/230-3-60, 4 = 460-3-60
2. Nominal Cooling Efficiency
4 = 14 SEER, 6 = 16 SEER, etc.
7. NOx Approval
X = low-NOx, blank = not low-Nox
3. Cabinet Size
A = small 35 x 51, B = large 45 x 51
8. Generation Level
1 = first generation
4. Nominal Air Conditioning Cooling Capacity BTUx1000
24 = 24,000 BTU, etc.
9. Revision Level
A = original release, B = second release
Examples:
PCE4B4221A is a packaged air conditioner, 14 SEER, 3-1/2 ton, large cabinet, 230 volt, single phase model, (first generation, first release)
OUTDOOR FAN MOTOR
OUTDOOR FAN
COIL GUARD PANEL
OUTDOOR COIL
(Behind Panel)
CONTACTOR
TRANSFORMER
CAPACITOR
BLOWER MOTOR
TXV
INDOOR COIL
INDOOR BLOWER
COMPRESSOR
REMOVABLE
BASE RAILS
A0411-001
OPTIONAL
ELECTRIC HEAT KIT
Unit Limitations
Model Unit Voltage
Unit Limitations
Applied Voltage Outdoor DB Temp
Min Max Max (°F)
A24 208/230-1-60 187 252 125
A30 208/230-1-60 187 252 125
A36 208/230-1-60 187 252 125
A42 208/230-1-60 187 252 125
B48 208/230-1-60 187 252 125
B60 208/230-1-60 187 252 125