Mitsubishi Electric PAC-DRP10DP-E User manual

1
Air Conditioning For Building Application
Drain Water Lift-Up Kit PAC-DRP10DP-E
Installation Manual
This installation manual contains only the description of how to install the Drain water Lift-Up Kit PAC-DRP10DP-E. For information
about how to wire and how to install air conditioning units, see the installation manual for them.
For your safety, first be sure to read section 1. "Safety Precautions" below thoroughly and then install the Drain water Lift-Up Kit
PAC-DRP10DP-E correctly.
1. Safety precautions
• The following two symbols are used to denote dangers that may be caused by incorrect use and their degree:
WARNING This symbol denotes what could lead to serious injury or death if you misuse the PAC-DRP10DP-E.
CAUTION This symbol denotes what could lead to a personal injury or damage to your property if you misuse the
PAC-DRP10DP-E.
• After reading this installation manual, keep it in a place where the final user can see it anytime he or she wants to it.
When someone moves, repairs, or uses the PAC-DRP10DP-E, make sure that this manual is forwarded to the final user.
WARNING
Always have the unit installed by Authorized Mitsubishi
Representative or similar professional.
Improper installation by the user could result in problems such as
water leakage, electric shock or fire.
Always use the designated cables and connect them properly.
When connecting the terminals, make sure that external forces
from the cable is not being conveyed to the terminal and then
tighten it securely.
Improper or loose connections could cause excessive heat or fire.
Only use Mitsubishi-approved accessories, such as an air
cleaner, humidifier or electric heater.
Always have such accessories installed by an Authorized Mitsubishi
Representative or similar professional. Improper installation by the
user may result in water leakage, electric shock or fire.
Install the unit according to this Installation Manual.
If the unit is installed improperly, water leakage, electric shock or fire
may result.
Have all electric work performed by a properly licensed
electrician. Electric work should be performed in strict adherence
to procedures to this Installation Manual. Always provide a
dedicated power supply.
If the capacity of the power supply is inadequate, it could result in
problems such as electric shock or fire.
Never modify the unit and always have repairs performed by an
Authorized Mitsubishi Representative.
Improper repair could result in problems such as water leakage,
electric shock or fire.
CAUTION
PRECAUTIONS BEFORE INSTALLATION
Never use for special applications such as storing food, plants,
precision equipment or art.
The quality of these items may deteriorate.
Never use the unit in special environments.
Special environments with high concentrations of oil, steam or sulfuric
gases will reduce the performance of the air condition and cause its
parts to deteriorate.
Never install the unit where run-off could result in damage.
If the humidity in the room exceeds 80% or if the drain becomes
clogged, water may drain off of the indoor unit. When the unit is used
for heating, there may be drainage from the outdoor unit. If required,
provide collector drain for the outdoor unit.
Always provide adequate signal noise protection when installing
in facilities such as hospitals and communication stations.
Equipment at these facilities, such as inverters, in-house generators,
high-frequency medical equipment, two-way communication
equipment, may cause the air conditioner to operate improperly.
Conversely, the signal noise from the air conditioner may affect
the operation of medical equipment and two-way communication
equipment and this could interfere with the medical treatment being
given a patient or cause disturbances or interference in video
broadcasting equipment.

2
PRECAUTIONS BEFORE REMOVE AND ELECTRIC WORK
Route wiring so that there is no tension.
Tension could cause the wire to break and this could result in
excessive heat or fire.
Dispose of packing materials properly.
Use care when transporting the unit.
• Always use two or more people for lifting a product weight 20 kg or
more.
• Some products are packaged with plastic wrapping bands. Never use
these for lifting or transporting the product.
• Never touch the fins on the heat exchanger. They are sharp and
could cause cuts.
• Never allow children to play with the plastic bags used for packaging.
Always tear them up when disposing. A child could suffocate in these
bags.
PRECAUTIONS BEFORE TEST RUN
Never touch the switch with wet hands.
Electric shock could occur.
Never operate the air conditioner with the panel or guard
removed.
The hand could come in contact with rotating, hot or high-pressure
components. They could cause electrical shock or entanglement.
Never operate the air conditioner with the air filter removed.
Particles will enter into the air conditioner and cause damage.
Never turn off the power supply immediately after stopping the
unit.
Wait five minutes or more before turning off the power supply. Turning
off the power supply before that time could result in water leakage or
damage.
2. Confirming the Supplied Parts
1. Model names and applicable models
Model name Applicable types
PAC-DRP10DP-E PEFY-P40VMH-E2, PEFY-P50VMH-E2, PEFY-P63VMH-E2, PEFY-P71VMH-E2
PEFY-P80VMH-E2, PEFY-P100VMH-E2, PEFY-P125VMH-E2, PEFY-P140VMH-E2
2. Provided parts
Check that the packet includes the following parts in addition to this installation manual.
PARTS 1 DRAIN PUMP ASSY. 2RUBBER PLUG 3 BAND 4PTT SCREW 4×10
SHAPE
Q'TY 1 1 2 2 + 1 (spare)
Drain socket
Drain sensor

3
3. Attach the Drain Pump
The drain pump must be attached before installation of the indoor unit.
3-1. Preparation for the indoor unit
(1) Remove the fixing screws (2 locations) shown in Fig. 3-1, and remove the
control box cover.
Fig. 3-1
(2) Remove the fixing screws (5 locations) shown in Fig. 3-2, and remove the
maintenance cover.
Fig. 3-2
(3) Remove the fixing screws (2 locations) shown in Fig. 3-3, and remove the
Drain socket hole cover.
* These screws will be reused to fix the drain socket. Keep them in a safe
place.
Fig. 3-3
3-2. Attach the drain pump
(1) Attach the drain pump assy 1 and drain socket as shown in Fig. 3-4 using
four PTT screws 4.
* When attaching the drain socket, make sure that drain hose is straight.
(2) Attach the Rubber Plug 2.
Fig. 3-4
Control box cover
Fixing screw
Fixing screw
Maintenance cover
Fixing screws
Fixing screws
Drain socket hole cover
Drain socket
Drain pump assy 1
Rubber Plug 2

4
3-3. Attach the drain socket
As shown in Fig. 3-5, insert the drain socket into the U-shaped cutout.
Fig. 3-5
4. Wiring
1. Passing the pump wires (Fig. 4-1)
(a) Route the 2 wires so that they pass through the raised part when the
maintenance cover is installed.
Fig. 4-1
2. Connecting the pump wires to the control box of the indoor unit (Fig. 4-2)
(a) Insert the white connector into CN31 on the indoor P.C. board.
Since a connector has been inserted into both CNP and CN31 before
shipment, they must be removed.
(b) When wiring is complete, fasten the remaining cords with the band 3.
Fig. 4-2
When fastening lead wires
Power wires and low-voltage wires are separated inside the control box to prevent noise. Lead wires from the Drain Water Lift-
Up Kit also need to be separated, so fasten them to the lead wires located inside the control box as described below.
• Since the yellow wire is used for power, its remaining portion must be fastened to the lead wires from the power terminal block.
• Since the clear wire is used for low voltage, its remaining portion must be fastened to the pipe sensor lead wire.
<Outside unit>
PTT screw 4
<Inside unit>
Drain socket
Frame
From drain pump
Yellow wire
Clear wire
From drain sensor
Raised part
CNP
Blue White
CN31
from drain pump
Yellow wire
Indoor P.C.
board
Clear wire
from drain sensor

5
5. Drain piping work
(1) Ensure that the drain piping is downward (pitch of more than 1/100) to
the outdoor (discharge) side. Do not provide any trap or irregularity on
the way. (Fig. 5-1)
(2) Ensure that any cross-wise drain piping is less than 20 meters
(excluding the difference of elevation). If the drain piping is long,
provide support bracket to prevent it from waving. Never provide any
air vent pipe. Otherwise drain may be ejected.
(3) Use a hard vinyl chloride pipe ø32 mm (1-1/4 inch) for drain piping.
(4) Ensure that collected pipes are 10 cm lower than the unit body’s drain
port. (Fig. 5-2)
(5) Do not provide any odor trap at the drain discharge port.
(6) Put the end of the drain piping in a position where no odor is
generated.
(7) Do not insert the end of the drain piping into any sewer where sulfuric
gases are generated.
(8) The intake of the drain piping can be made 55 cm higher than the
Indoor unit. If there are some obstacles under the ceiling, use elbows
to make it at least height according to the site. (Fig. 5-3)
(9) Be sure to use the supplied drain hose (Accessory).
Connect each connection with vinyl chloride adhesive. But never use
any adhesive over the indoor unit discharge port. Otherwise the Drain
Water Lift-Up Kit cannot be serviced later. Also, the end connection
may be eroded by resin and so cracked.
Note:
If the rise portion is long, there will be a lot of returned water in
an operation stop, generating slime or odor during off-season.
Ensure that the rise portion is at a minimum.
CAUTION
Pipe the drain piping to ensure that it discharges drain, and
insulate it to prevent dew condensation. A failure to the piping
work may cause water leakage and so wet your property.
25 cm
1.5 – 2 m
Fig. 5-1
Fig. 5-2
Fig. 5-3
Downward pitch of
more than 1/100
Support bracket
Insulation
Take as large as possible. About 10 cm.
Indoor
unit
Indoor
unit
Collective piping
Indoor
unit
Hard vinyl chloride 90˚
elbow (field supply)
Hard vinyl
chloride
(ø32 mm)
(field supply)
Drain hose
(Accessory)
Hard vinyl chloride
90˚ elbow
(field supply)
Tie band (small)
(Accessory)
Indoor unit
Less than 300 mm
Less than 550 mm

6
6. Confirming drain discharge
►MakesurethattheDrainWaterLift-UpKitoperatesnormallyfordischargeandthatthereisnowaterleakagefromthe
connections.
• Be sure to confirm the above in a period of heating operation.
• Be sure to confirm the above before ceiling work is done in the case of a new construction.
(1) Turn on the SWE on the control board.
(2) Pour water into the drain pan using a kettle etc.
When pouring, make sure that the spout of the kettle is placed into the
drain pan to prevent water overflowing from the drain pan.
(Fig. 6-1)
(3) Turn on the main power of the indoor unit.
The drain pump will be forced to operate even if no remote controller
operation is performed.
Check the transparent drain socket to make sure that drain is
discharged.
(4) When it is confirmed that drain is discharged properly, turn off the main
power, and turn off the SWE on the control board.
* If the SWE remains turned on, the drain pump will be caused to
operate all the time, so make sure that it is turned off.
* The SWE must not be kept on for longer than 4 hours.
Check that all the wiring work has been completed. If so, reassemble the
covers in reverse order.
(refer to 3-1 (2)→(1))
Fig. 6-1
Drain socket
Inlet water

7

VN79D552H02