McQuay M4AC 080 C, Manual

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Caution
!
Please take note of the following important points when installing.
• Do not install the unit where leakage of flammable gas may occur.
If gas leaks and accumulates around the unit, it may cause fire ignition.
x
Ensure that the drainage piping is connected properly.
If the drainage piping is not connected properly, it may cause water leakage which will dampen
the furniture.
x
Do not overcharge the unit.
This unit is factory pre-charged. Overcharge will cause over-current or damage to the
compressor.
x
Ensure that the units panel is closed after service or installation.
Unsecured panels will cause unit to operate noisily.
Installation Location
x
Installation work should be done by the authorized dealer or qualified contractor. Never install the unit
yourself.
x
Make sure there is sufficient airflow around the unit. The discharged air should be directed outside
using a duct should the unit be installed in a plant room.
x
Vibration isolator should be provided to reduce the vibration and noise of the unit.
x
There should be sufficient space allocated for servicing and maintenance when installing the unit.
Transportation
x
The unit should be lifted using a crane. Ensure that the hanger belts are
not touching the coil, top panel and front panel (use protective panel) as
shown in Figure 1.
x
The bolt of the base and channel support can be removed after putting
the unit on the fixed location.
Figure 1
Water Piping ad Fitting
x
All water pipe must be insulated to prevent capacity losses and condensation.
x
Install a 40-60 mesh strainer to ensure water quality is good.
x
Water pipe recommended are GI pipe, black steel pipe, steel pipe and copper pipe.
x
During installation, the piping of the unit should be clamp before rotating the installation pipe to reduce the
moment induce on the unit piping.
x
Users are recommended to install the pipe and accessories as shown in Figure 2.
x
An air vent must be installed at the highest position, while a drainage plug at the lowest position of the
water circuit. After the leak test (0.6MPa), open the air vent to release any air trap in the water circuit.
x
Run the clean water through the water inlet and operate the pump to drain out the dirty water. Clean
the strainer after running the pump for 30 minutes.
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