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5 Installation
Installation and operation manual
10
4BY1
Air-cooled refrigeration condensing unit
4P495373-1 – 2017.07
(mm)
>150
620
350
(345-355)
4× M12
a
a
Make sure not to cover the drain holes.
INFORMATION
The recommended height of the upper protruding part of
the bolts is 20 mm.
20
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
4× M12
5.2.3
To prevent the outdoor unit from falling
over
1
Prepare 2 cables as indicated in the following illustration (field
supply).
2
Place the 2 cables over the outdoor unit.
3
Insert a rubber sheet between the cables and the outdoor unit
to prevent the cable from scratching the paint (field supply).
4
Attach the cable’s ends. Tighten those ends.
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 all stop valves open during operation.
▪ The stop valve is factory closed.
NOTICE
In addition to a gas and liquid stop valve, the outdoor unit
has two maintenance stop valves. When connecting the
refrigerant piping to the outdoor unit, do NOT operate the
maintenance stop valves. The factory setting for these
valves is "open". When operating the unit, always leave
these valves in the open position. Operating the unit with
the valves in the closed position may cause the
compressor to fail.
a
a
a
Maintenance stop valve
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.
Summary of Contents for LRMEQ3BY1
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