Chariot Carriers Merci Installation Manual download pdf (Page 36)

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70-EN69-EN

How to open the valve

Open or close the valve.

Liquid side, gas side

Open the valve with hexagon wrench.

[Hexagonal wrench is required.]

Valve handling precautions

 Open the valve stem until it strikes the stopper.

It is unnecessary to apply further force.

 Securely tighten the cap with a torque wrench.

Cap tightening torque

Replenishing refrigerant

This model is a 20 m chargeless type that does not

need to have its refrigerant replenished for refrigerant

pipes up to 20 m. When a refrigerant pipe longer than

20 m is used, add the specified amount of refrigerant.

Refrigerant replenishing procedure

1. After vacuuming the refrigerant pipe, close the

valves and then charge the refrigerant while the air

conditioner is not working.

2. When the refrigerant cannot be charged to the

specified amount, charge the required amount of

refrigerant from the charge port of the valve on the

gas side during cooling.

Requirement for replenishing refrigerant

Replenish liquid refrigerant.

When gaseous refrigerant is replenished, the

refrigerant composition varies, which disables normal

operation.

Adding additional refrigerant

 L: Pipe length

 The refrigerant need not be reduced for a 20 meter

(or less) refrigerant pipe.

Hexagonal wrench size

Liquid side

Gas side

SM56 4 mm 4 mm

SM80 4 mm 5 mm

Valve size

Ø6.4 mm

14 to 18 1P

(1.4 to 1.8 kgfm)

Ø9.5 mm

14 to 18 1P

(1.4 to 1.8 kgfm)

Ø12.7 mm

33 to 42 1P

(3.3 to 4.2 kgfm)

Ø15.9 mm

33 to 42 1P

(3.3 to 4.2 kgfm)

Charge port

14 to 18 1P

(1.4 to 1.8 kgfm)

21~30 m: L

SM56 20 g × (L-20)

SM80 40 g × (L-20)

Electrical work

CAUTION

 An installation fuse must be used for the power supply

line of this air conditioner.

 Incorrect / incomplete wiring may lead to an electrical

fire or smoke.

 Prepare an exclusive power supply for the air

conditioner.

 This product can be connected to the mains power.

Fixed wire connections:

A switch that disconnects all poles and has a contact

separation of at least 3 mm must be incorporated in

the fixed wiring.

 Be sure to use the cord clamps attached to the

product.

 Do not damage or scratch the co

nductive core or inner

insulator of the power and system interconnection

wires when peeling them.

 Use the power and system interconnection wires with

specified thicknesses, specified types and protective

devices required.

1 Remove valve cover screw.

2 Pull the valve cover downward to remove it.

Wiring between indoor unit

and outdoor unit

The dashed lines show on-site wiring.

 Connect the system interconnection wires to the

identical terminal numbers on the terminal block of

each unit.

Incorrect connection may cause a failure.

For the air conditioner, connect a power wire with the

following specifications.

Valve cover

Power supply wire

System

interconnection

wires

Model RAV- SM56, SM80

Power supply

220-240 V~, 50 Hz

220 V~, 60 Hz

Maximum running current 15.5 A

Installation fuse rating 20 A (all types can be used)

Power supply wire

H07 RN-F or 60245 IEC 66

(2.5 mm

or more)

System interconnection

wires

H07 RN-F or 60245 IEC 66

(1.5 mm

or more)

(System

interconnection wires)

Input power

Earth

(Main circuit)

Remote

controller

Indoor unitOutdoor unit

Circuit

breaker

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Chariot Carriers Merci Installation Manual Page 36

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