Outdoor Unit; Charging Refrigerant; Precautions - Daikin REYQ72AATJ Series Installation Manual

Mode 2
• Changing and access the setting in mode 2:
Once mode 2 is selected (push BS1 for more than 5 seconds), you
can select the wanted setting. It is done by pushing BS2.
Accessing the selected setting's value is done by pushing BS3 one
time.
• To quit and return to the initial status, press BS1.
• Changing the value of the selected setting in mode 2:
- Once mode 2 is selected (push BS1 for more than 5 seconds)
you can select the wanted setting. It is done by pushing BS2.
- Accessing the selected setting's value is done by pushing BS3
one time.
- Now BS2 is used to select the required value of the selected
setting.
-
of value by pushing BS3 one time.
- Press BS3 again to start operation according to the chosen value.
Example:
pressure setting of the outdoor unit's fan).
know/change
Make sure the segment indication is as during normal operation (de-
fault situation when shipped from factory).
• Push BS1 for over 5 seconds; result segment display:
Result: mode 2 is accessed.
• Push BS2 18 times; result segment display:
Result: mode 2 setting 18 is addressed.
• Push BS3 one time; the value which is returned (depending on the
Result: mode 2 setting 18 is addressed and selected, return value is
the current setting situation.
• To change the value of the setting, push BS2 till the required value
ting value by pushing BS3 one time. To start operation according to
•
default situation when shipped from factory.
13.2.2. Operating the DIP switches
By operating the DIP switches it is possible to:
What to do with DIP switch DS1
NOT USED
1-4
DO NOT CHANGE THE FACTORY SETTING
What to do with DIP switch DS2
NOT USED
1-4
DO NOT CHANGE THE FACTORY SETTING
English
13.3.
has to be done on A1P. Connect the optional cable to the 8-pin blue
connector X27A.
CAUTION
conditions to avoid water ingress.

14. Charging refrigerant

14.1. Precautions

NOTE
•
• Refrigerant may only be charged after performing the leak test and
the vacuum drying.
•
liquid hammer.
• Charging a system with an unsuitable substance as refrigerant may
priate refrigerant R410A is charged.
• Refrigerant containers shall be opened slowly.
• Always use protective gloves and protect your eyes when charging
refrigerant.
• When the refrigerant system is to be opened, refrigerant must be
treated according to the applicable legislation.
DANGER
• To avoid compressor breakdown, do not charge the refrigerant
-
• This outdoor unit is factory charged with refrigerant and depending
on pipe sizes and pipe lengths systems require additional charg-
ing of refrigerant. See 14.2. Calculating the additional refrigerant
charge.
• In case recharge is required, refer to the nameplate of the unit.
It states the type of refrigerant and necessary amount.
3
2
1
1 PC
2 Cable
3 Main printed circuit
X27A
board
A1P
-
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