Daikin JEHSCU-CM3 [2/22] Nomenclature 2
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Daikin JEHSCU-CM3 [2/22] Nomenclature 2

Daikin JEHSCU-CM3 [2/22] Nomenclature 2
O-CU06-DEC14-1
All specifications are subjected to change by the manufacturer without prior notice. The English text is the
original instruction. Other languages are the translations of the original instructions.
2
Contents
1.
Nomenclature
2
2.
Safety and Health
2
3.
Installation & commissioning
3
4.
Decommissioning & Disposal
6
5.
Checklist
6
6.
Service and Maintenance
7
7.
F gas Regulations
7
8.
Trouble Shooting
8
9.
Specifications
9
10.
Outline Drawings
11
11.
Electrical Data
14
12.
Appendix
20
1. Nomenclature
2. Safety and Health
General Information
• Ensure the unit received is the correct model for the
intended application.
• Ensure refrigerant, voltage, are suitable for the
proposed application and environment.
• Installation and maintenance are to be performed only
by qualified personnel who are familiar with local codes
and regulations, and experienced with this type of
equipment.
• The condensing unit is delivered with a nitrogen holding
charge.
• The condensing unit contains moving machinery and
electrical power hazards. May cause severe injury or
death. Disconnect and shut off power before installation
or service of the equipment.
• Refrigerant release into the atmosphere is illegal.
Proper evacuation, handling and leak testing
procedures must be observed at all times.
• Condensing unit must be earthed.
Improper earthing may result in electric
shocks or fire.
• Be sure to switch off the unit before touching any
electrical parts. Touching a live part may result in
electric shocks or fire.
• The electrical covers and condenser fan guard must
remain fitted at all times.
• Use of the condensing unit outside of design conditions
and application for which units were intended may be
unsafe and be detrimental to the unit, regardless short
or long term operation.
• The condensing units are not designed to withstand
loads or stresses from other equipment or personnel.
Such extraneous loads or stress may cause
failure/leak/injury.
• In some circumstances, a suction accumulator (not
supplied) component may be required, it offers
protection against refrigerant flood back during
operation. It helps protect against off-cycle migration by
adding internal free volume to the low side of the
system.
• Test must be conducted to ensure the amount of off-
cycle migration to the compressor does not exceed the
compressor’s charge limit.
• Wherever possible the system should be installed to
utilize a pump down configuration. For unit Series 1
JEHCCU040CM1 and JEHCCU0050CM1, it is
advisable to connect with thermostat cut off
configuration using the reserved terminal in control box.
• After installation, the system should be allowed to run
for 3 – 4 hours. The oil level should be checked after 3
– 4 hours run time and topped up as necessary. The oil
level should not be lower than quarter of the
compressor oil sight glass.
Important Note
Only a qualified refrigeration engineer who is familiar
with refrigeration systems and components, including all
controls should perform the installation and start-up of
the system. To avoid potential injury, use care when
working around coil surfaces or sharp edges of metal
cabinets. All piping and electrical wiring should be
installed in accordance with all applicable codes,
ordinances and local by-laws.
This appliances is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person
responsible for their safety. Children should be
supervised to ensure that they do not play with the
appliance.
J&E Hall
REFRIGIRATION
CONDENSING UNIT
TYPE OF COMPRESSOR
CCU: RECIPROCATING
SCU:
SCROLL
NOMINAL COOLING
CAPACITY IN
HP (DEVIDED BY 100)
POWER SUPPLY
1:
230V/50Hz/1PH
3: 400V/50Hz/3PH
GENERATION
B: 2ND
C: 3RD

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