5291596-YTG-E-1117
Johnson Controls Unitary Products
3
NOMENCLATURE
PCG
4
A
24
50
2
X
1
A
1
2
3
4
5
6
7
8
9
1. Model Family
PCG - packaged A/C with gas heat,
PHG - packaged heat pump with gas heat,
PCE - packaged A/C with electric heat,
PHE - packaged heat pump with electric 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 Efficienc
y
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:
PHG4B421002X1A is a dual fuel, 14 SEER, 3-1/2 ton, large cabinet, single-stage heat, 100,000 BTU gas heat, 230 volt, single phase, low-NOx
model (first generation, first release)
COMPONENT LOCATION
FAN MOTOR
OUTDOOR FAN
COIL GUARD PANEL
OUTDOOR COIL
(Behind Panel)
CONTROL BOARD
TRANSFORMER
HIGH VOLTAGE
CONTACTOR
PRESSURE SWITCH
DRAFT INDUCER BLOWER
GAS VALVE
BURNER
ASSEMBLY
GAS HEAT
EXCHANGER
BLOWER MOTOR
TXV
INDOOR COIL
INDOOR BLOWER
COMPRESSOR
REMOVABLE
BASE RAILS
A0297-001
UNIT LIMITATIONS
Model
Unit Voltage
Unit Limitations
Applied Voltage
Outdoor DB Temp
Min
Max
Max (°F)
All Models
208/230-3-60
187
252
125