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INFORMATION
The recommended height of the upper protruding part of
the bolts is 20 mm.
NOTICE
Fix the outdoor unit to the foundation bolts using nuts with
resin washers (a). If the coating on the fastening area is
stripped off, the nuts rust easily.
a
5.2.2
To install the outdoor unit
5.2.3
To provide drainage
▪ Make sure that condensation water can be evacuated properly.
▪ Install the unit on a base to make sure that there is a proper
drainage in order to avoid ice accumulation.
▪ Prepare a water drainage channel around the foundation to drain
waste water surrounding the unit.
▪ Avoid drain water flowing over the footpath, so that it does not
become slippery in case of ambient freezing temperatures.
▪ If you install the unit on a frame, install a waterproof plate within
150 mm of the bottom side of the unit in order to prevent the
invasion of water in the unit and to avoid the drain water dripping
(see the following illustration).
RXYSQ4~6T7V1B+Y1B
VRV IV-S system air conditioner
4P397284-1 – 2015.05
4× M12
NOTICE
If drain holes of the outdoor unit are covered by a mounting
base or by floor surface, raise the unit to provide a free
space of more than 150 mm under the outdoor unit.
Drain holes (dimensions in mm)
a
376
191
45
a
Drain holes
5.2.4
To prevent the outdoor unit from falling
over
Connect cables (field supply) as shown.
4×
5.3
Connecting the refrigerant piping
DANGER: RISK OF BURNING
5.3.1
Using the stop valve and service port
To handle the stop valve
▪ Make sure to keep both stop valves open during operation.
▪ The stop valve is factory closed.
To open the stop valve
1 Remove the stop valve cover.
2 Insert a hexagon wrench into the stop valve and turn the stop
valve counterclockwise.
3 When the stop valve cannot be turned any further, stop turning.
Result: The valve is now open.
5 Installation
Installation and operation manual
9
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Troubleshooting
