1183746-UIM-B-0215
2
Johnson Controls Unitary Products
Due to system pressure, moving parts, and electrical components,
installation and servicing of air conditioning equipment can be hazard-
ous. Only qualified, trained service personnel should install, repair, or
service this equipment. Untrained personnel can perform basic mainte-
nance functions of cleaning coils and filters and replacing filters.
Observe all precautions in the literature, labels, and tags accompanying
the equipment whenever working on air conditioning equipment. Be
sure to follow all other applicable safety precautions and codes includ-
ing ANSI Z223.1 or CSA-B149.1- latest edition.
Wear safety glasses and work gloves. Use quenching cloth and have a
fire extinguisher available during brazing operations.
SECTION III: MODEL NUMBER NOMENCLATURE
SECTION IV: INSTALLATION
INSTALLATION SAFETY INFORMATION
Read these instructions before continuing this appliance installation.
This is an outdoor combination heating and cooling unit. The installer
must assure that these instructions are made available to the consumer
with instructions to retain them for future reference.
1.
Refer to the unit rating plate for the approved type of gas for this
product.
2.
Install this unit only in a location and position as specified on Page
4 of these instructions.
3.
Never test for gas leaks with an open flame. Use commercially
available soap solution made specifically for the detection of leaks
when checking all connections, as specified on Page 10 of these
instructions.
4.
Always install furnace to operate within the furnace's intended tem-
perature-rise range with the duct system and within the allowable
external static pressure range, as specified on the unit name/rating
plate, specified in Table 6 of these instructions.
5.
This equipment is not to be used for temporary heating of buildings
or structures under construction.
WARNING
Before performing service or maintenance operations on unit, turn off
main power switch to unit. Electrical shock could cause personal
injury. Improper installation, adjustment, alteration, service or mainte-
nance can cause injury or property damage. Refer to this manual.
For assistance or additional information consult a qualified installer,
service agency or the gas supplier.
CAUTION
This system uses R-410A Refrigerant which operates at higher pres-
sures than R-22. No other refrigerant may be used in this system.
Gage sets, hoses, refrigerant containers and recovery systems must
be designed to handle R-410A. If you are unsure, consult the equip-
ment manufacturer. Failure to use R-410A compatible servicing
equipment may result in property damage or injury.
!
!
WARNING
If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury or
loss of life.
Do not store or use gasoline or other flammable vapors and liquids in
the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
1. Do not try to light any appliance.
2. Do not touch any electrical switch; do not use any phone in
your building.
3. Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
4. If you cannot reach your gas supplier, call the fire depart-
ment.
Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
!
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)
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warning exactly could result in serious
injury, death or property damage.
Never test for gas leaks with an open flame. use a commercially
available soap solution made specifically for the detection of leaks to
check all connections. A fire or explosion may result causing property
damage, personal injury or loss of life.
!
