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JOHNSON CONTROLS
19
FORM 150.62-NM8 (1020)
1
29224(RIG)A
To ensure warranty coverage, this
equipment must be commissioned
and serviced by an authorized John
-
son Controls service mechanic or a
qualified service person experienced in
chiller installation. Installation must
comply with all applicable codes, par
-
ticularly in regard to electrical wiring
and other safety elements such as re
-
lief valves, HP cutout settings, design
working pressures, and ventilation re
-
quirements consistent with the amount
and type of refrigerant charge.
Lethal voltages exist within the control
panels. Before servicing, open and tag
all disconnect switches.
INSTALLATION CHECK LIST
The following items,must be checked before placing
the units in operation.
1. Inspect the unit for shipping damage.
2. Rig unit using spreader bars.
3. Open the unit only to install water piping system.
Do not remove protective covers from water
connections until piping is ready for attachment.
Check water piping to ensure cleanliness.
4. Pipe unit using good piping practice
(see ASHRAE
handbook section 215 and 195).
5. Check to see that the unit is installed and operated
within limitations
(Refer to Operational and Voltage
Limitations located in Section 1 of this IOM).
The following pages outline detailed procedures to be
followed to install and startup the chiller.
HANDLING
These units are shipped as completely assembled units
containing full operating charge, and care should be
taken to avoid damage due to rough handling.
The unit should be lifted by inserting
hooks through the holes provided in
unit base rails. Spreader bars should be
used to avoid crushing the unit frame
rails with the lifting chains.
SECTION 1 - INSTALLATION
INSPECTION
Immediately upon receiving the unit, it should be
inspected for possible damage which may have
occurred during transit. If damage is evident, it should
be noted in the carrier’s freight bill. A written request
for inspection by the carrier’s agent should be made at
once.
See Instruction manual, Form 50.15-NM
for more
information and details.
LOCATION AND CLEARANCES
These units are designed for outdoor installations on
ground level, rooftop, or beside a building. Location
should be selected for minimum sun exposure and to
insure adequate supply of fresh air for the condenser.
The units must be installed with sufficient clearances
for air entrance to the condenser coil, for air discharge
away from the condenser, and for servicing access.
In installations where winter operation is intended and
snow accumulations are expected, additional height
must be provided to ensure normal condenser air flow.
Clearances are listed under Dimensions in Section 1
of this IOM.
EXAMPLE OF PROPER LIFITING
Summary of Contents for YCAL0014E Series
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