Carrier HERMETIC SCREW LIQUID CHILLERS 23 XL - Manual (Page 2)

CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Job Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
Receiving the Machine . . . . . . . . . . . . . . . . . . . . . . . 2
• INSPECT SHIPMENT
• IDENTIFY MACHINE
• PROVIDE MACHINE PROTECTION
Rigging the Machine . . . . . . . . . . . . . . . . . . . . . . . . . 4
• RIG MACHINE ASSEMBLY
• RIG MACHINE COMPONENTS
Install Machine Supports . . . . . . . . . . . . . . . . . . . . 16
• INSTALL STANDARD ISOLATION
• INSTALL OPTIONAL OR ACCESSORY
ISOLATION
• INSTALL SPRING ISOLATION
Connect Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
• INSTALL WATER PIPING
TO HEAT EXCHANGERS
• INSTALL VENT PIPING
TO RELIEF DEVICES
Make Electrical Connections . . . . . . . . . . . . . . . . . 25
• CONNECT CONTROL INPUTS
• CONNECT CONTROL OUTPUTS
• CONNECT STARTER
• INSULATE MOTOR TERMINALS
AND LEAD WIRE ENDS
• CONNECT POWER WIRE TO OIL
HEATER CONTACTOR (Frame 1 and 2)
• CONNECT COMMUNICATION AND CONTROL
WIRING FROM STARTER TO POWER PANEL
• CARRIER COMFORT NETWORK
INTERFACE
Install Field Insulation . . . . . . . . . . . . . . . . . . . . . . . 30
• FACTORY-INSTALLED INSULATION
INSTALLATION START-UP REQUEST
CHECKLIST
. . . . . . . . . . . . . . . . . . . . . . . . . . CL-1, CL-2
INTRODUCTION
General — The 23XL machine is factory assembled, wired,
and leak tested. Installation (not by Carrier) consists prima-
rily of establishing water and electrical services to the ma-
chine. Rigging, installation, field wiring, and field piping are
the responsibility of the contractor and/or customer. Carrier
has no installation responsibilities for the equipment.
Job Data
Necessary information consists of:
• job contract or specifications
• machine location prints
• rigging information
• piping prints and details
• field wiring drawings
• starter manufacturer’s installation details
• Carrier certified prints
Equipment Required
• mechanic’s tools (refrigeration)
• volt-ohmmeter and clamp-on ammeter
• leak detector (halide or electronic)
• absolute pressure manometer or wet-bulb vacuum
indicator
• portable vacuum pumps
INSTALLATION
Receiving the Machine
INSPECT SHIPMENT
Do not open any valves or break any connections. The
standard 23XL machine is shipped with a full refriger-
ant charge. Some machines may be shipped with a
nitrogen holding charge as an option.
1. Inspect for shipping damage while the machine is still on
shipping conveyance. If the machine appears to be dam-
aged or has been torn loose from its anchorage, have it
examined by transportation inspectors before removal. For-
ward claim papers directly to the transportation com-
pany. The manufacturer is not responsible for any dam-
age incurred in transit.
2. Check all items against shipping list. Immediately notify
the nearest Carrier representative if any item is missing.
3. To prevent loss or damage, leave all parts in original pack-
ages until installation. All openings are closed with
covers or plugs to prevent dirt and debris from entering
during shipping. The 23XL is shipped with a full oper-
ating oil charge.
IDENTIFY MACHINE — The machine model number, se-
rial number, and heat exchanger sizes are stamped on ma-
chine information plate (Fig. 1, 2, and 3). Check this infor-
mation against shipping papers and job data.
PROVIDE MACHINE PROTECTION — Protect machine
and starter from construction dirt and moisture. Keep pro-
tective shipping covers in place until machine is ready for
installation.
If machine is exposed to freezing temperatures after water
circuits have been installed, open waterbox drains and re-
move all water from cooler and condenser. Leave drains open
until system is filled.
LEGEND
VI — Volumetric Index
Fig. 1 — Model Number Identification
2