Installation Guide

Johnson Controls Unitary Products 1183509-UIM-D-0815
R-410A OUTDOOR SPLIT-SYSTEM
AIR CONDITIONING
MODELS: 13 & 14 SEER
YCS, YFE, YCE, YCD, TW4, TF4, TC4, TC3,
RAC13L, RAC14L, RAW14L SERIES
1.5 TO 5 TONS – 1 PHASE
INSTALLATION MANUAL
®
LIST OF SECTIONS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
THERMAL EXPANSION VALVE (TXV) INSTALLATION . . . . . . . . . .5
EVACUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
SYSTEM CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
INSTRUCTING THE OWNER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
START UP SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LIST OF FIGURES
Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Installation of Vapor Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Underground Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Heat Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Piston Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
TXV Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
TXV Bulb and Equalizer Line Installations . . . . . . . . . . . . . . . . . . . . . .6
Proper Bulb Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Outdoor Unit Swing Away Control Box . . . . . . . . . . . . . . . . . . . . . . . . 9
Outdoor Unit Control Box (Single Phase - Smaller Base) . . . . . . . . 10
Outdoor Unit Control Box (Single Phase - Larger Base) . . . . . . . . . 10
Typical Field Wiring (Air Handler / Electrical Heat) (Single-Phase) . 11
Thermostat Chart - PSC Air Handler with Single Stage AC . . . . . . . 12
Thermostat Chart - Single Stage PSC Furnace with
Single Stage A/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Wiring Diagram - Single Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LIST OF TABLES
Application Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 R-410A Saturation Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SECTION I: GENERAL
These outdoor condensing units are designed to be connected to a
matching UPG indoor coil. They are equipped with a filter-drier located
in the liquid line.
Units with quick-connect coupling connections are factory charged with
refrigerant to be matched with the appropriate pre-charged line set, and
UPG indoor coil.
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 mainte-
nance can cause injury or property damage. Refer to this manual
for assistance or for additional information, consult a qualified con-
tractor, installer or service agency.
CAUTION
This product must be installed in strict compliance with the
enclosed installation instructions and any applicable local, state,
and national codes including, but not limited to building, electrical,
and mechanical codes.
CAUTION
R-410A systems operate at higher pressures than R-22 systems.
Do not use R-22 service equipment or components on R-410A
equipment. Service equipment
Must Be Rated for R-410A.
!
!
!

Summary of content (16 pages)