User Manual

36
Purging the connected pipes
Refrigerant type GWP value
R410A 1975
GWP=Global Warming Potential
Indoor unit
Outdoor unit
= ( )
kg
= ( )
kg
+
= ( )
kg
Contains uorinated greenhouse gases
covered by the Kyoto Protocol.
a
c
d
b
This product contains uorinated greenhouse gases covered by the Kyoto
Protocol.
Do not vent gases into the atmosphere.
1. Pleasell in with indelible ink,
the factory refrigerant charge of the product,
the additional refrigerant amount charged in the eld and
+
the total refrigerant charge. on the refrigerant charge label
supplied with the product.
R410A 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, follow the instructions below.
1. Before recharging, check whether the cylinder has a siphon or not.
There are two ways to recharge the refrigerant.
Important information regulation regarding the refrigerant used
Charging the refrigerant under conditions of liquid by using a liquid pipe
a.Factoryrefrigerantchargeoftheproduct:
see unit name plate
b. Additional refrigerant amount charged in the eld (Refer
to the above information for the quantity of refrigerant
replenishment.)
c. Total refrigerant charge
d. Refrigerant cylinder and manifold for charging
• Thelled-outlabelmustbeadheredintheproximityoftheproductchargingport(e.g.ontotheinsideofthestop
valve cover).
Cylinder with siphon
siphon
Charge the refrigerant standing the
cylinder upright.
Cylinder without siphon
Charge the refrigerant turning the cylinder
upside down.
• IfR410A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anelectronicbalance.
If cylinder doesn’t have syphon, upset it.