Daikin RZAG140L7V1B [10/20] Installation
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Daikin RZAG140L7V1B [10/20] Installation

Daikin RZAG140L7V1B [10/20] Installation
4 Installation
Installation manual
10
RZAG71~140L7V1B
Split system air conditioners
4P418662-1 – 2016.02
RZAG100~140
a
c
b
a Internal service port
b Stop valve with service port (liquid)
c Stop valve with service port (gas)
Typical workflow – Completely recharging refrigerant typically
consists of the following stages:
1 Determining how much refrigerant to charge.
2 Charging refrigerant.
3 Filling in the fluorinated greenhouse gases label, and fixing it to
the inside of the outdoor unit.
4.4.2 About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R32
Global warming potential (GWP) value: 675
WARNING: FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
WARNING
▪ Do NOT pierce or burn refrigerant cycle parts.
▪ Do NOT use cleaning materials or means to accelerate
the defrosting process other than those recommended
by the manufacturer.
▪ Be aware that the refrigerant inside the system is
odourless.
WARNING
The refrigerant inside the unit is mildly flammable, but
normally does not leak. If the refrigerant leaks in the room
and comes in contact with fire from a burner, a heater, or a
cooker, this may result in fire, or the formation of a harmful
gas.
Turn off any combustible heating devices, ventilate the
room, and contact the dealer from which you purchased
the unit.
Do not use the unit until a service person confirms that the
portion from which the refrigerant leaked is repaired.
4.4.3 To determine the additional refrigerant
amount
To determine if adding additional refrigerant is necessary
If Then
L1≤30m (chargeless length) You do not have to add
additional refrigerant.
L1>30m You must add additional
refrigerant.
For future servicing, encircle the
selected amount in the table
below.
INFORMATION
Piping length is the one way length of liquid piping.
To determine the additional refrigerant amount
(additional refrigerant amount in kg)
RZAG
L1 (m)
≤30m ≤40m ≤50m ≤55m ≤60m ≤75m ≤85m
71 0.00 0.35 0.70 0.90 —
100~140 0.00 0.35 0.70 1.05 1.40 1.90
4.4.4 To determine the complete recharge
amount
(complete recharge amount in kg)
RZAG
L1 (m)
≤30m ≤40m ≤50m ≤55m ≤60m ≤75m ≤85m
71 2.60 2.95 3.30 3.50 —
100~140 3.40 3.75 4.10 4.45 4.80 5.30
4.4.5 Charging refrigerant: Setup
See "4.3.1Checking refrigerant piping: Setup"on page8.
4.4.6 To charge refrigerant
WARNING
▪ Only use R32 as refrigerant. Other substances may
cause explosions and accidents.
▪ R32 contains fluorinated greenhouse gases. Its global
warming potential (GWP) value is 675. Do NOT vent
these gases into the atmosphere.
▪ When charging refrigerant, always use protective
gloves and safety glasses.
Prerequisite: Before charging refrigerant, make sure the refrigerant
piping is connected and checked (leak test and vacuum drying).

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