Emerson Liebert PEX+ Series, Руководство пользователя

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Chapter1 Overview 3
Liebert. PEX+Series Precision Air Conditioner User Manual
1.3.2 Condenser
Refer to condenser user manual.
1.3.3 Remote Monitoring Software
Through the configured RS485 or TCP/IP port, Liebert.PEX+ can communicate with the host computer and receive the
control of the host software.
1.3.4 Optional Features
The optional parts include: Extension kit, low temperature kit, two-level electric heater, no heater, no humidifier,
plenum for upflow unit, electrode humidifier, water cooled unit and thermal expansion valve.
Extension kit
If there is a requirement for long piping / high vertical drop between the indoor unit and condenser according to actual
application condition, an extension kit shall be configured and the specific selection is described in 3.6.1 Pipe
Extension Kit (Optional) .
Low temperature kit
In winter (outdoor temperature below -15
℃
), the air conditioner shall use a low temperature kit for cooling. This kit is
inside the unit. User should consider the low temperature environment to make reasonable selection.
Two-stage electric heater
According to user requirement, a two-stage electric heater shall be used and the heating capacity shall be identical
with the one-stage heater
No heater
Liebert.PEX+ AC shall have the option without heating according to user requirements.
No humidifier
Liebert.PEX+ AC shall have the option without humidifying according to user requirements.
P lenum
The upflow unit shall be configured with a plenum with its configuration listed in 3.3.3 Plenum dimensions (for upflow
unit). For special plenum, please contact Emerson.
E
lectrode humidifier
Liebert.PEX+ AC shall have the option of electrode humidifier according to user requirements. The electrode
humidifier has a different requirement for water inlet / outlet pipes with the standard infrared humidifier. Refer to 3.6.3
Connecting water inlet pipe of humidifier for the configurations of water inlet/outlet pipes of electrode humidifier.
Thermal expansion valve
The standard configuration is electronic expansion valve, and optional thermal expansion valve can be provided
according to user requirements.
1.4 Storage Environment
See Table 1-2 for storage environment requirement.
Table 1-2 Storage environment requirement
Item Requirement
General requirements Indoor, clean, no dust
Ambient humidity 5%RH to 85%RH (non-condensing)
Ambient temperature -20
℃
to +54
℃
Storage time
Total transportation and storage time should not exceed six months. Otherwise, the performance needs
to be re-calibrated