Johnson Controls Unitary Products
5132210-UIM-H-0916
®
®
SINGLE PACKAGE
HEAT PUMP / GAS HEAT
MODELS: PHG4 Series
2 - 5 TONS – 1 PHASE
INSTALLATION MANUAL
LIST OF SECTIONS
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
MODEL NUMBER NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
AIRFLOW PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
TYPICAL WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
START UP SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
LIST OF FIGURES
Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Bottom Duct Dimensions (inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Rear Duct Dimensions (inches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical Field Control Wiring Diagram For Gas Heat - AC Models . . . 7
Typical Field Power Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 7
Flue Vent Outlet Air Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Demand Defrost Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Measuring External Static Pressure . . . . . . . . . . . . . . . . . . . . . . . . . 18
Connection Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Ladder Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
R-410A Quick Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
LIST OF TABLES
Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Natural Gas Pipe Sizing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Propane (LP) Gas Pipe Sizing Chart . . . . . . . . . . . . . . . . . . . . . . . . . 9
High Altitude Gas Orifice Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Natural Gas Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Propane (LP) Gas Application Data . . . . . . . . . . . . . . . . . . . . . . . . . 11
Airflow Performance - Side Duct Application . . . . . . . . . . . . . . . . . . 11
Airflow Performance - Bottom Duct Application . . . . . . . . . . . . . . . . 12
Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Demand Defrost Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Test Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Fault Codes 16
Ignition Control Board Flash Codes . . . . . . . . . . . . . . . . . . . . . . . . . 17
Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
SECTION I: GENERAL INFORMATION
These are electric heat pump/gas heating units designed for outdoor
installation. Only gas piping, electric power and duct connections are
required at the point of installation.
The gas-fired heaters have spark ignition.
The refrigerant system is fully charged with R-410A Refrigerant, and is
tested and factory sealed.
SECTION II: SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words
DANGER
,
WARNING
, or
CAUTION
.
DANGER
indicates an
imminently
hazardous situation, which, if not
avoided,
will result in death or serious injury
.
WARNING
indicates a
potentially
hazardous situation, which, if not
avoided,
could result in death or serious injury
.
CAUTION
indicates a potentially hazardous situation, which, if not
avoided
may result in minor or moderate injury.
It is also used to
alert against unsafe practices and hazards involving only property dam-
age.
WARNING
Improper installation may create a condition where the operation of
the product could cause personal injury or property damage.
Improper installation, adjustment, alteration, service or maintenance
can cause injury or property damage. Failure to carefully read and
follow all instructions in this manual can result in furnace mal-
function, death, personal injury and/or property damage. Only a
qualified contractor, installer or service agency should install this
product.
CAUTION
This product must be installed in strict compliance with the installa-
tion instructions and any applicable local, state, and national codes
including, but not limited to building, electrical, and mechanical
codes.
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