Bedienungsanleitung Inventor V5MFI32-60 (Seite 33 von 136) (Englisch)

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 Page 32 

Fig. 11.7

•

Ensure to wrap insulation around the piping.

Direct contact with the bare piping may

result in burns or frostbite.

•

Make sure the pipe is properly connected.

Over tightening may damage the bell mouth

and under tightening may lead to leakage.

NOTES ON MINIMUM BEND RADIUS

Carefully bend the tubing in the middle

according to the diagram below. DO NOT

bend the tubing more than 90° or more than

3 times.

Bend the pipe with thumb

min-radius 10cm (3.9”)

Fig. 11.8

After connecting the copper pipes to the

indoor unit, wrap the power cable, signal

cable and the piping together with

binding tape.

NOTE: DO NOT intertwine signal cable with

other wires. While bundling these items

together, do not intertwine or cross the signal

cable with any other wiring.

Check to make sure there is no refrigerant

leak after completing the installation work.

If there is a refrigerant leak, ventilate the area

immediately and evacuate the system (refer

to the Air Evacuation section of this manual).

7. Thread this pipeline through the wall and

connect it to the outdoor unit.

8. Insulate all the piping, including the valves

of the outdoor unit.

9. Open the stop valves of the outdoor unit

to start the ow of the refrigerant between

the indoor and outdoor unit.

CAUTION

TAKE NOTE OF FUSE SPECIFICATIONS

Wiring

Safety Precautions

• Be sure to disconnect the power supply

before working on the unit.

• All electrical wiring must be done

according to local and national regulations.

• Electrical wiring must be done by a

qualied technician. Improper connections

may cause electrical malfunction, injury

and ﬁre.

• An independent circuit and single outlet

must be used for this unit.

DO NOT

plug

another appliance or charger into the

same outlet.If the electrical circuit capacity

is not enough or there is a defect in the

electrical work, it can lead to shock, re,

unit and property damage.

• Connect the power cable to the terminals

and fasten it with a clamp. An insecure

connection may cause re.

• Make sure that all wiring is done correctly

and the control board cover is properly

installed. Failure to do so can cause

overheating at the connection points, re,

and electrical shock.

• Ensure that main supply connection is

made through a switch that disconnects

all poles, with contact gap of a least 3mm

(0.118”).

•

DO NOT

modify the length of the power

cord or use an extension cord.

• Connect the outdoor wires before

connecting the indoor wires.

• Make sure you ground the unit. The

grounding wire should be away from gas

pipes, water pipes, lightning rods,

telephone or other grounding wires.

Improper grounding may cause electrical

shock.

• DO NOT connect the unit with the power

source until all wiring and piping is

completed.

• Make sure that you do not cross your

electrical wiring with your signal wiring, as

this can cause distortion and interference.

Follow these instructions to prevent distortion

when the compressor starts:

• The unit must be connected to the main

outlet. Normally, the power supply must

have a low output impedance of 32 ohms.

• No other equipment should be connected

to the same power circuit.

• The unit’s power information can be found

on the rating sticker on the product.

Outdoor Unit Wiring

Before performing any electrical or wiring

work, turn off the main power to the system.

1. Prepare the cable for connection

You must rst choose the right cable size

before preparing it for connection. Be sure

to use H07RN-F cables.

Table 12.1: Minimum Cross-Sectional Area

of Power and Signal Cables in North

America

Rated Current of

Appliance (A) AWG

≤ 7 18

7 - 13 16

13 - 18 14

18 - 25 12

25 - 30 10

 Page 33 

WARNING

CAUTION

The air conditioner’s circuit board(PCB) is

designed with a fuse to provide overcurrent

protection. The specications of the fuse are

printed on the circuit board, such as:

Indoor unit: T5A/250VAC, T10A/250VAC.

(applicable for unit adopts R32 or R290

refrigerant only)

Outdoor unit: T20A/250VAC(for <24000Btu/h

unit), T30A/250VAC(for >24000Btu/h unit)

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