Adding refrigerant, Siphon | Samsung AR12MSPXASINEU, AR09MSPXASINEU

3Open the valve of the low pressure side of manifold gauge anticlockwise.

4Evacuate the air in the connected pipes using the vacuum pump for about 15 minutes.

•Make sure that pressure gauge shows -0.1 MPa (-76 cmHg, 5 torr) after about 10 minutes. This procedure is very important to avoid a gas leak.

•Close the valve of the low pressure side of manifold gauge clockwise.

•Turn off the vacuum pump.

•Check for 2 minutes if there is any pressure change.

•Remove the hose of the low pressure side of manifold gauge.

5Set a valve cork of liquid and gas service port to the open position.

	Siphon




Charge the refrigerant		Charge the refrigerant turning
standing the cylinder upright.		the cylinder upside down.
<Cylinder with siphon>		<Cylinder without siphon>

NOTE

•If R-410A refrigerant is charged with gas, the composition of the charged refrigerant changes and the characteristics of the equipment vary.

•During the measuring operation of refrigerant quantity added, use electronic scales. If cylinder doesn't have siphon, upset it.

Step 3.4 Adding refrigerant

If you use a pipe longer than the length specified in the piping codes and standards, you must add 15g of refrigerant R-410A for each extra metre. If you use a pipe shorter than the length specified in the piping codes and standards, the evacuating time is normal. Refer to the Service Manual for further details.

CAUTION

•The remaining air in the Refrigeration cycle, which contains moisture, may cause malfunction of the compressor.

•Always contact the service centre or a professional installation agency for product installation.

R-410A is a mixed type of refrigerant. It is necessary for recharging under conditions of liquid. When recharging refrigerant from the refrigerant cylinder to the equipment, take the following instructions:

Before recharging, check whether the cylinder has a siphon or not. There are two ways to recharge the refrigerant:

Step 3.5 Important information : regulation regarding the refrigerant used

This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere.

CAUTION

•Inform user if the system contains 5 tCO2e or more of fluorinated greenhouse gases. In this case, it must be checked for leakage at least once every 12 months, according to regulation No. 517/2014. This activity must be covered by qualified personnel only. In the case of the situation above, the installer (or authorized person with responsibility for final check) must provide a maintenance book, with all the information recorded, according to REGULATION (EU) No. 517/2014 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 16 April 2014 on fluorinated greenhouse gases.

1Please fill in the following with indelible ink on the refrigerant charge label supplied with this product and on this manual.

•the factory refrigerant charge of the product,

•the additional refrigerant amount charged in the field and

•+ the total refrigerant charge. on the refrigerant charge label supplied with the product.

English 19

Installation

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