ClimateMaster LCU Series Installation, Operation & Maintenance Instructions Manual Download Page 3

Page 3

precautions must be taken to avoid physical damage to
the units and contamination by foreign material. Physical
damage and contamination may prevent proper start-up
and may result in costly equipment clean-up.

Examine all pipes, fittings, and valves before installing
any of the system components. Remove any dirt found on
these components.

Pre-Installation

Installation, Operation and Maintenance (IOM)
instructions are provided with each unit. Before unit
start-up, read all manuals and become familiar with the
unit and its operation. Thoroughly check out the system
before operation.

Prepare Large Commercial Units for installation as
follows:

1.

Compare the electrical data on the unit nameplate
with ordering and shipping information to verify that
the correct unit has been shipped.

2.

Keep the unit covered with the shipping carton until
installation is complete and all plastering, painting,
etc. is finished.

3.

Verify that refrigerant tubing is free of kinks or
dents, and that it does not touch other unit
components.

4.

Inspect all electrical connections. Connections must
be clean and tight at the terminals.

To avoid equipment damage, DO NOT use these units
as a source of heating or cooling during the
construction process. The mechanical components
and filters used in these units will quickly become
clogged with construction dirt and debris which may
cause system damage.

To avoid the release of refrigerant into the
atmosphere, the refrigerant circuit of this unit MUST
only be serviced by technicians which meet local, state
and federal proficiency requirements.

All refrigerant discharged from this unit MUST be
recovered without exception. Technicians MUST
follow industry accepted guidelines and all local, state
and federal statutes for the recovery and disposal of
refrigerants.

When a compressor is removed from this unit, system
refrigerant circuit oil will remain in the compressor.
To avoid leakage of compressor oil, the refrigerant
lines of the compressor MUST be sealed after it is
removed.

Inspection

Upon receipt of shipment at the job site, carefully check
the shipment against the bill of lading. Make sure all
units have been received. Inspect the carton or crating of
each Large Commercial Unit (LCU) and inspect each
unit for damage. Assure that the carrier makes proper
notation of any shortages or damage on all copies of the
freight bill and that he/she completes a Carrier Inspection
Report. Concealed damage not discovered during
unloading must be reported to the carrier within 15 days
of receipt of shipment. NOTE: It is the responsibility of
the purchaser to file all necessary claims with the
carrier. Notify the ClimateMaster Traffic Department
of all damage within fifteen (15) days of shipment.

Introduction

This Installation, Operation and Maintenance manual
(IOM) is for ClimateMaster Large Commercial Water
Source Heat Pump Systems (LCU).

ClimateMaster Large Commercial Units are typically
installed in a floor level closet or in a small mechanical room.
The installation site chosen for these units must allow
adequate clearance for maintenance and servicing of the unit.

Storage

DO NOT store or install Large Commercial Units in
corrosive environments or in locations subject to
temperature or humidity extremes (e.g., attics,
garages, rooftops, etc.). Corrosive conditions and high
temperature or humidity can significantly reduce
performance, reliability, and service life.
 Always
move units in an upright position. Tilting units on
their sides may cause equipment damage
.

Upon the arrival of  equipment at the job site,
immediately store units in their shipping cartons in a
clean, dry area. Store units in an upright position at all
times.
 Stack unit model numbers 080 through 120 no
more than 2 units high. Do not stack units larger than
120. DO NOT remove equipment from shipping
cartons until equipment is required for installation.

Unit Protection

Cover Large Commercial Units on the job site with either
shipping cartons, vinyl film, or an equivalent protective
covering. Cap the open ends of pipes stored on the job
site. In areas where painting, plastering, or the spraying
of fireproof material has not been completed, all due

GENERAL INFORMATION

CAUTION

!

Summary of Contents for LCU Series

Page 1: ...Installation Operation Maintenance Instructions Large Commercial Series Water Source Heat Pumps LCU Series...

Page 2: ...Installation 3 Location and Access 4 Installation 4 Installation of Supply and Return Piping 4 Condensate Piping 5 Sound Attenuation for Large Commercial Units 6 Electrical Wiring 6 Wall Mounted Therm...

Page 3: ...after it is removed Inspection Upon receipt of shipment at the job site carefully check the shipment against the bill of lading Make sure all units have been received Inspect the carton or crating of...

Page 4: ...vicing of the compressor and coils without removal of the unit 3 Provide an unobstructed path to the unit within the closet or mechanical room to enable removal of the unit if necessary 4 Provide acce...

Page 5: ...to avoid condensate pan overflow at initial start up DO NOT bend or kink supply lines or hoses Optional pressure rated hose assemblies designed specifically for use with ClimateMaster units are availa...

Page 6: ...hock open the power supply disconnect switch and secure it in an open position during installation Use only copper conductors for field installed electrical wiring Unit terminals are not designed to a...

Page 7: ...nt of 40 F with entering air at 40 F entering water at 40 F and with both air and water at the stated flow rates of ARI Standard 320 96 rating test for initial winter start up Notes 1 These are not no...

Page 8: ...e to equal the rate of bleed 7 Refill the system and add trisodium phosphate in a proportion of approximately one pound per 150 gallons of water Reset the boiler to raise the loop temperature to about...

Page 9: ...ystem Water Temperature Ensure that it is within an acceptable range to facilitate start up When conducting this check also verify proper heating and cooling set points 3 System Water pH Verify system...

Page 10: ...e imme diately after checking cooling cycle operation A time delay will prevent the compressor from re starting for approximately 5 minutes NOTE Large Commercial heat pump units are UNIT START UP WARN...

Page 11: ...ore than 10 of the values noted on the unit nameplate Maintain a log of amperage values to detect deterioration prior to compo nent failure When replacing the compressor contactor or lockout relay in...

Page 12: ...d source the air coil Grounding the condensate overflow signal from the controller causes a fault after 30 continuous seconds Over Under Voltage When the controller senses a voltage over 30Vac or unde...

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