Mitsubishi FDTC25VD Spezifikationen PDF herunterladen (Seite 88)

'10 • SR-T-091

⑥ Drain pipe (continued)

Drain test

 After installation of drain pipe, make sure that drain system work in good condition and no water

leakage from joint and drain pan. Check if the motor sound of drain pump is normal or not.

 Do drain test even if installation of heating season.

 For new building cases, make sure to complete the test before

hanging the ceiling.

1. Pour water of about 1000cc into the drain pan in the indoor unit by

pump so as not to get the electrical component wet.

2. Make sure that water is drained out properly and there is no water

leakage from any joints of the drain pipe at the test.

Conﬁrm that the water is properly drained out while the drain motor

is operating. At the drain socket (transparent), it is possible to

check if the water is drained out properly.

3. Unplug the drain plug on the indoor unit to remove remaining water

on the drain pan after the test, and re-plug it. And insulate the drain

pipe properly ﬁnally.

Drain pump operation

 In case electrical wiring work ﬁnished

Drain pump can be operated by remote controller (wired).

For the operation method, refer to Operation for drain pump in the installation manual for wiring

work.

 In case electrical wiring work not ﬁnished

Drain pump will run continuously when the dip switch“SW7-1” on the indoor unit PCB is turned ON,

the Connector CNB is disconnected, and then the power supply (220-240VAC on the terminal block

[ ① and ②] or [ Ⓛ and Ⓝ ] ) is turned ON.

Make sure to turn OFF “SW7-1” and reconnect the Connector CNB after the test.

 Attach the panel on the indoor unit after electrical wiring work.

 Refer to attached manual for panel installation for details.

⑦ Wiring-out position and wiring connection

 Electrical installation work must be performed according to the installation manual by an electrical

installation service provider qualiﬁed by a power provider of the country, and be executed according

to the technical standards and other regulations applicable to electrical installation in the country.

Be sure to use an exclusive circuit.

 Use speciﬁed cord, fasten the wiring to the terminal securely, and hold the cord securely in order

not to apply unexpected stress on the terminal.

 Do not put both power source line and signal line on the same route. It may cause

miscommunication and malfunction.

 Be sure to do D type earth work.

 For the details of electrical wiring work, see attached instruction manual for electrical wiring work.

1. Remove a lid of the control box (1 screws).

2. Hold each wiring inside the unit and fasten them to terminal block securely.

3. Fix the wiring with clamp.

4. Install a lid of the control box back to original place.

⑧ Panel installation

 After wiring work ﬁnished, install the panel on the indoor unit.

 Refer to attached panel installation manual for details.

Accessory items

1 Hook 1 piece For ﬁxing temporarily

2 Chain

2 pieces

3 Bolt

4 pieces For installing the panel

4Screw

1 piece For attaching a hook

5Screw

2 pieces For attaching a chain

⑨ Check list after installation

 Check the following items after all installation work completed.

Check if Expected trouble Check

The indoor and outdoor units are ﬁxed securely? Falling, vibration, noise

Inspection for leakage is done? Insufﬁcient capacity

Insulation work is properly done? Water leakage

Water is drained properly? Water leakage

Supply voltage is same as mentioned in the model name plate? PCB burnt out, not working at all

There is mis-wiring or mis-connection of piping? PCB burnt out, not working at all

Earth wiring is connected properly? Electric shock

Cable size comply with speciﬁed size? PCB burnt out, not working at all

Any obstacle blocks airﬂow on air inlet and outlet? Insufﬁcient capacity

Drain plug

Power source side terminal block

Earth

Wiring between indoor

and outdoor unit

Signal side terminal block

Remote controller line

Wiring clamp

Single split (PAC) series

VRF (KX) series

Power source side terminal block

Earth

Indoor power source line

Signal side terminal block

Signal line (shielded cord)

Remote controller line

Wiring clamp

Earth (signal line)

6

6

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