Water heat exchange unit
H - 18
6. Installation construction
● Securely install the water heat exchanger unit in a location that is sufficiently capable of withstanding the weight of
the unit. (Secure the unit with anchor bolts.) If the strength is insufficient then the water heat exchanger unit could
topple, causing injuries, etc.
● Carry out the prescribed installation construction in preparation for typhoons and other strong winds, and earthquakes.
If there is a defect in the installation then this could cause an accident by overturning of the unit.
Warning
● Do not install the water heat exchanger unit in locations where flammable gases are generated, flow in, accumulate or
leak, or where volatile flammable materials are handled. This could cause fires due to flammable materials or
flammable gases igniting.
● Provide the required space for inspection and maintenance. (See Figure 2)
If this space is insufficient this could cause an accident by falling from installation location.
● If the water heat exchanger unit is installed in a roof or other high position, provide a permanent ladder or hand grip
in order to prevent falls. Also provide a fence or hand grip around the water heat exchanger unit.
● Install the unit in a location where drainage water can be easily managed.
If there is a defect then this could result in water leaks, leaks into property, etc.
•The drain pipes that pass indoors should be as short as possible.
•The drain pipes that pass indoors must be insulated.
•Make sure that the drain water does not cause trouble for the neighboring building.
● Check that the unit is horizontal with a level.
If the unit is not horizontal then this could result in water leaks.
● When the unit is being lifted in, do not turn it on it’s side.
This could damage the equipment, and cause a breakdown.
Warning
1Avoid locations where there are machines that generate high frequencies.
2If lifting in the water heat exchanger unit by suspending it
● Suspend the unit by attaching ropes to the four suspension fittings on the base.
● When attaching the rope, do so in way that does not damage or deform the external cladding, by using timber battens for
example.
● When lifting by a crane, make sure that the crane hook is more than 1m from the unit.
3If installing the water heat exchanger unit indoors, provide a drain pan underneath the unit to receive any water drops
that form from condensation, etc.
Figure 2
Anchor bolts M10 or larger
Figure 1 Anchor bolt positions
300 or more
50 or more
(50 or more)
(300 or more)
50 or more
On one side of
the unit provide
300mm or more
Water heat
exchanger unit
600 or more
(refrigerant
piping side)
(units : mm)
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