Carrier 09DK054-094 - Manual

HEATING & COOLING
09DK054-094
Air-Cooled Condenser Units
50/60 Hz
Installation, Start-Up and
Service Instructions
CONTENTS
SAFETY CONSIDERATIONS ...............
INSTALLATION .....................................
Step 1 — Complete Pre-Installation
Checks ...............................................
Step 2 — Rig and Place Unit ...............
• RIGGING
• PLACING THE UNIT
Step 3 — Complete Refrigerant Piping
•
Page
........... 1
........ 1-31
1
4
GENERAL
COIL REFRIGERANT PIPING INSTALLATION
TUBING PACKAGE INSTALLATION
THREE AND FOUR COIL SPLIT, COIL
CIRCUITING APPLICATIONS; 054-084 UNITS
ONLY
• REFRIGERANT LINE SIZING
• LIQUID SHUTOFF VALVE AND SIGHT GLASS
• PRESSURE RELIEF
• REFRIGERANT RECEIVER
• LIQUID LIFT
Step 4 — Complete Electrical
Connections...................................................................23
• GENERAL
• FIELD CONNECTIONS
• MAIN POWER WIRING
• CONTROL CIRCUIT POWER WIRING
• GENERAL WIRING NOTES
• DESCRIPTION OF CONTROLS
Step 5 — Add Accessories as Needed ............................ 31
START-UP........................................................................ 32
System Evacuation and
Dehydration .................................................................. 32
Charging Procedure ......................................................... 32
Check Operation of Condenser Fan Motor
Controls and Rotation of Fans....................................32
SERVICE ....................................................................... 32-34
Cleaning Condenser Coiis ............................................... 32
Condenser Fans ................................................................. 32 ,
Lubrication ........................................................................32
Head Pressure Control.....................................................32
• FAN CYCLING
SAFETY CONSIDERATIONS
Installing, starting up, and servicing air-conditioning equip­
ment can be hazardous due to system pressures, electrical
components, and equipment location (roofs, elevated struc­
tures, etc.).
Only trained, qualified installers and service mechanics
should install, start up, and service this equipment (Fig. 1).
Untrained personnel can perform basic maintenance func­
tions such as cleaning coils. All other operations should be
performed by trained service personnel.
Fig. 1 — Model 09DK (084 Shown)
When working on the equipment, observe precautions in
the literature and on tags, stickers, and labels attached to
the equipment.
Follow all safety codes. Wear safety glasses and work
gloves. Keep quenching cloth and fire extinguisher nearby
when brazing. Use care in handling, rigging and setting bulky
equipment.
See Tables lA and IB for Physical Data.
ELECTRIC SHOCK HAZARD
Separate power sources (main and control
power circuits) are used for these units. Be
sure both main and control power circuits
are disconnected before servicing.
INSTALLATION
Step 1 — Complete Pre-Installation Checks —
Examine for damage incurred during shipment. File claim
immediately with transit company if damage is found. Check
the shipment for completeness. Verify that the nameplate
electrical requirements match the available power supply
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obiigations.
Book 12 PC 111 Catalog No 530-959 Printed in U S A. Form 09DK-9SI Pg 1 2-94 Replaces: 09DK-4SI
Tab 4a