Responsibility for safety
Every care has been taken in the design and manufacture of the unit to ensure compliance with the
safety requirements. However, the individual rigging, lifting, maintaining, operating, or working on
any machinery is primarily responsible for:
• Personal safety, safety of other personnel, and the machinery.
• Correct utilization of the machinery in accordance with the procedures detailed in the guide.
Misuse of equipment
Suitability for application
The unit provides chilled water, hot water, or glycol solutions for air conditioning applications and
industrial processes using central station air handling or terminal units. Using any equipment
outside its intended use, or operating the equipment contrary to the relevant procedures may
result in injury to the operator, or damage to the equipment.
Do not operate the unit outside the design parameters specified in this guide.
Structural support
Structural support of the unit must be provided as indicated in these instructions. Failure to provide
the correct support may result in injury to the operator, or damage to the equipment or building.
Mechanical strength
The unit is not designed to withstand loads or stresses from adjacent equipment, pipework, or
structures. Do not mount additional components on the unit. Any such extraneous loads may cause
structural failure and may result in injury to the operator, or damage to the equipment.
General access
Potentially hazardous areas or features can cause injury when working on the unit, unless
personnel take suitable safety precautions. It is important to ensure access to the unit is restricted
to suitably qualified personnel who are familiar with the potential hazards and precautions
necessary for safe operation and maintenance of equipment containing high temperatures,
pressures, and voltages.
Pressure systems
The unit contains refrigerant vapor and liquid under pressure, release of which can be a danger
and cause injury. The user must take care during installation, operation and maintenance to avoid
damage to the pressure system. Untrained and unqualified personnel must not attempt to gain
access to the component parts of the pressure system. Ensure only suitably trained and qualified
personnel access the component parts of the pressure system.
Electrical
The unit must be grounded. Do not attempt installation or maintenance work on the electrical
equipment without switching the power off, and isolating and locking-off the power supply. Do not
attempt any servicing and maintenance on live equipment. Do not attempt to gain access to the
control panel or electrical enclosures during normal operation of the unit.
Heat radiation
Some of the visible components, like the discharge pipe and driver heat sink, may work under high
temperatures and radiate high-heat flux. Pay special attention while getting close to the unit. Do
not touch the unit during normal operation.
YMAE Air-Cooled Inverter Scroll Chiller and Heat Pump12
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