READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
ALL ACTIVITIES DESCRIBED IN THIS MANUAL SHALL
BE CARRIED OUT BY A LICENSED TECHNICIAN.
BE SURE TO WEAR ADEQUATE PERSONEL PROTECTION EQUIPMENT (PROTECTION GLOVES, SAFETY
GLASSES, ...) WHEN PERFORMING INSTALLATION,
MAINTENANCE OR SERVICE TO THE UNIT.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR DAIKIN DEALER FOR ADVICE
AND INFORMATION.
The English text is the original instruction. Other languages are
translations of the original instructions.
SAFETYPRECAUTIONS
The precautions listed here are divided into the following four types.
They all cover very important topics, so be sure to follow them
carefully.
Meanings of DANGER, WARNING, CAUTION and NOTE symbols.
DANGER
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
NOTE
Indicates situations that may result in equipment or
property-damage accidents only.
■After completing installation, test the unit to check for installation
errors. Give the user adequate instructions concerning the use
and cleaning of the unit as included in the operation manual of
the indoor unit.
Danger
■Before touching electric terminal parts, turn off power switch.
■When service panels are removed, live parts can be easily
touched by accident.
Never leave the unit unattended during installation or servicing
when the service panel is removed.
■Do not touch water pipes during and immediately after operation
as the pipes may be hot. Your hand may suffer burns. To avoid
injury, give the piping time to return to normal temperature or be
sure to wear proper gloves.
Warning
■
Ask your dealer or qualified personnel to carry out installation work
Do not install the machine by yourself.
Improper installation may result in water leakage, electric shocks
or fire.
■Perform installation work in accordance with this installation
manual.
Improper installation may lead to water leakage, electric shocks
or fire.
■Consult your local dealer regarding what to do in case of
refrigerant leakage. When the unit is to be installed in a small
room, it is necessary to take proper measures so that the
amount of any leaked refrigerant does not exceed the
concentration limit in the event of a leakage. Otherwise, this may
lead to an accident due to oxygen depletion.
■Be sure to use only the specified accessories and parts for
installation work.
Failure to use the specified parts may result in water leakage,
electric shocks, fire, or the unit falling.
■Install the unit on a foundation that can withstand its weight.
Insufficient strength may result in the fall of equipment and
causing injury.
.
ERLQ006~008BAV39
Outdoor unit for air to water heat pump
4PW63277-1 – 07.2010
Installation manual
1
■Carry out the specified installation work in consideration of strong
winds, typhoons, or earthquakes.
Improper installation work may result in accidents due to fall of
equipment.
■Make certain that all electrical work is carried out by qualified
personnel according to the local laws and regulations and this
installation manual, using a separate circuit.
Insufficient capacity of the power supply circuit or improper
electrical construction may lead to electric shocks or fire.
■Make sure that all wiring is secure, using the specified wires and
ensuring that external forces do not act on the terminal
connections or wires.
Incomplete connection or fixing may cause a fire.
■When wiring between the indoor and outdoor units, and wiring
the power supply, form the wires so that the side panel can be
securely fastened. Install covers over the wires.
If the side panel is not in place, overheat of the terminals,
electric shocks or a fire may be caused.
■If refrigerant gas leaks during installation work, ventilate the area
immediately.
To xic gas may be produced if refrigerant gas comes into contact
with fire.
■Do not touch the refrigerant pipes during and immediately after
operation as the refrigerant pipes may be hot or cold, depending
on the condition of the refrigerant flowing through the refrigerant
piping, compressor, and other refrigerant cycle parts. Your hands
may suffer burns or frostbite if you touch the refrigerant pipes. To
avoid injury, give the pipes time to return to normal temperature
or, if you must touch them, be sure to wear proper gloves.
■After completing the installation work, check to make sure that
there is no leakage of refrigerant gas.
To xic gas may be produced if refrigerant gas leaks into the room
and comes into contact with a source of fire, such as a fan
heater, stove or cooker.
■When planning to relocate former installed units, you must first
recover the refrigerant after the pump down operation. Refer to
chapter "Pump down operation" on page 10.
■Never directly touch any accidental leaking refrigerant. This
could result in severe wounds caused by frostbite.
■Be sure to install an earth leakage circuit breaker in accordance
with relevant local and national regulations. Failure to do so may
cause electrical shock and fire.
■Electrical work must be carried out in accordance with the
installation manual and the national electrical wiring rules or
code of practice.
Insufficient capacity or incomplete electrical work may cause
electrical shock or fire.
■Be sure to use a dedicated power circuit. Never use a power
circuit shared by another appliance.
■For wiring, use a cable long enough to cover the entire distance
with no connection. Do not use an extension cord. Do not put
other loads on the power supply, use a dedicated power circuit.
Failure to do so may cause abnormal heat, electric shock, or fire.
■During pump down operation, stop the compressor before
removing the refrigerant piping.
If the compressor is still running and the stop valve is open
during pump-down, air will be sucked in when the refrigerant
piping is removed, causing abnormal pressure in the freezer
cycle which will lead to breakage and even to injury.
■During installation, attach the refrigerant piping securely before
running the compressor.
If the compressor is not attached and the stop valve is open
during pump-down, air will be sucked in when the compressor is
running, causing abnormal pressure in the freezer cycle which
will lead to breakage and even to injury.
Caution
■Earth the unit.
Earthing resistance should be according to national regulations
Do not connect the earth wire to gas or water pipes,
lightning conductor or telephone earth wire.
Incomplete earthing may cause electric shocks.
■ Gas pipe.
Ignition or explosion may occur if the gas leaks.
■ Water pipe.
Hard vinyl tubes are not effective earths.
■ Lightning conductor or telephone earth wire.
Electric potential may rise abnormally if struck by a lightning
bolt.
■Install the indoor and outdoor units, power wire and connecting
wire at least 1 meter away from televisions or radios to prevent
image interference or noise.
(Depending on the radio waves, a distance of 1 meter may not
be sufficient to eliminate the noise.)
■Do not rinse the outdoor unit. This may cause electric shocks or
fire.
■Do not install the unit in places such as the following:
■ Where there is mist of mineral oil, oil spray or vapour for
example a kitchen.
Plastic parts may deteriorate, and cause them to fall out or
water to leak.
■ Where corrosive gas, such as sulphurous acid gas, is
produced.
Corrosion of copper pipes or soldered parts may cause the
refrigerant to leak.
■ Where there is machinery which emits electromagnetic
waves.
Electromagnetic waves may disturb the control system, and
cause malfunction of the equipment.
■ Where flammable gases may leak, where carbon fiber or
ignitable dust is suspended in the air or where volatile
flammables, such as thinner or gasoline, are handled.
Such gases may cause a fire.
■ Where the air contains high levels of salt such as that near
the ocean.
■ Where voltage fluctuates a lot, such as that in factories.
■ In vehicles or vessels.
■ Where acidic or alkaline vapour is present.
■Do not allow a child to mount on the outdoor unit or avoid placing
any object on the unit. Falling or tumbling may result in injury.
■For use of units in applications with temperature alarm settings it
is advised to foresee a delay of 10 minutes for signalling the
alarm in case the alarm temperature is exceeded. The unit may
stop for several minutes during normal operation for "defrosting
the unit", or when in "thermosta-stop" operation.
■Tighten the flare nut according to the specified method such as
with a torque wrench.
If the flare nut is tightened too hard, the flare nut may crack after
a long time and cause refrigerant leakage.
Installation manual
2
Outdoor unit for air to water heat pump
ERLQ006~008BAV39
4PW63277-1 – 07.2010
MODEL
ERLQ units include special equipment (insulation, bottom plate
heater,...) to ensure good operation in areas where low ambient
temperature can occur together with high humidity conditions.
NOTE
An ERLQ0*BA outdoor unit can only be connected to
an EKHBH/X008B* indoor unit (bottom plate heater at
outdoor unit has to be controlled by indoor unit).
ACCESSORIES
■Accessories supplied with the outdoor unit:
Installation manual1x
Fluorinated greenhouse gases label1x
Multilingual fluorinated greenhouse
gases label
■Possible options
Bottom plate heater
ERLQ_V3Standard (125 W)
1x
INSTALLATIONGUIDELINES
Precautions for selecting the location
WARNING
■Make sure to provide for adequate measures in order
to prevent that the outdoor unit be used as a shelter
by small animals.
■Small animals making contact with electrical parts can
cause malfunctions, smoke or fire. Please instruct the
customer to keep the area around the unit clean.
■The equipment is not intended for use in a potentially explosive
atmosphere.
■Choose a place solid enough to bear the weight and vibration of
the unit, where the operation noise will not be amplified.
■Choose a location where the hot air discharged from the unit or
the operation noise will not cause a nuisance to the neighbours
of the user.
■Avoid places near a bedroom and the like, so that the operation
noise will cause no trouble.
■There must be sufficient space for carrying the unit into and out
of the site.
■There must be sufficient space for air passage and no
obstructions around the air inlet and the air outlet.
■The site must be free from the possibility of flammable gas
leakage in a nearby place.
■Locate the unit so that the noise and the discharged hot air will
not annoy the neighbours.
■Install units, power cords and inter-unit cables at least 3 m away
from television and radio sets. This is to prevent interference to
images and sounds.
■Depending on radio wave conditions, electromagnetic
interference may still occur even if installed more than 3 m away.
■In coastal areas or other places with salty atmosphere of sulfate
gas, corrosion may shorten the life of the outdoor unit.
■Since drain flows out of the outdoor unit, do not place anything
under the unit which must be kept away from moisture.
1Select an installation site where the following conditions are
satisfied and that meets with your customer's approval.
- Places which are well-ventilated.
- Places where the unit does not bother next-door neighbours.
- Safe places which can withstand the unit's weight and
vibration and where the unit can be installed level.
- Places where there is no possibility of flammable gas or
product leak.
- The equipment is not intended for use in a potentially
explosive atmosphere.
- Places where servicing space can be well ensured.
- Places where the indoor and outdoor units' piping and wiring
lengths come within the allowable ranges.
- Places where water leaking from the unit cannot cause
damage to the location (e.g. in case of a blocked drain pipe).
- Places where the rain can be avoided as much as possible.
- Do not install the unit in places often used as work place.
In case of construction works (e.g. grinding works) where a
lot of dust is created, the unit must be covered.
- Do not place any objects or equipment on top of the unit (top
plate).
- Do not climb, sit or stand on top of the unit,
- Be sure that sufficient precautions are taken, in accordance
with relevant local and national regulations, in case of
refrigerant leakage.
2When installing the unit in a place exposed to strong wind, pay
special attention to the following.
Strong winds of 5 m/sec or more blowing against the outdoor
unit's air outlet causes short circuit (suction of discharge air),
and this may have the following consequences:
- Deterioration of the operational capacity.
-Frequent frost acceleration in heating operation.
- Disruption of operation due to rise of high pressure.
- When a strong wind blows continuously on the face of the
unit, the fan can start rotating very fast until it breaks.
Refer to the figures for installation of this unit in a place where
the wind direction can be foreseen.
3Prepare a water drainage channel around the foundation, to
drain waste water from around the unit.
4If the water drainage of the unit is not easy, please build up the
unit on a foundation of concrete blocks, etc. (the height of the
foundation should be maximum 150 mm).
5If you install the unit on a frame, please install a waterproof plate
within 150 mm of the underside of the unit in order to prevent the
invasion of water from the lower direction.
6When installing the unit in a place frequently exposed to snow,
pay special attention to elevate the foundation as high as
possible.
7If you install the unit on a building frame,
please install a waterproof plate (field
supply) (within 150 mm of the underside of
the unit) in order to avoid the drainwater
dripping. (See figure).
NOTE
Units cannot be installed hanging from ceiling or
stacked.
ERLQ006~008BAV39
Outdoor unit for air to water heat pump
4PW63277-1 – 07.2010
Installation manual
3
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