RDZ PDC FLOOR 12T, Installation Manual

Page: 19 / 64

EN
19
2 .6 .3 Charging additional refrigerant
If the length of the pipe is greater than 30 meter, the charge
must be topped up with 40 g of R410A per metre.
– Connect a cylinder of R410A cooling gas to the pressure
gauge unit and place it onto an analytical balance.
– Open the taps of the pressure gauge unit.
– Open the tap of the cylinder liquid.
– Load the required amount of coolant.
– Close the taps of the cylinder and pressure gauge unit and
disconnect the cylinder.
– Record the length of the pipes and the quantity of coolant
added onto the label of the product (within the panel).
A
Pressure gauge unit
B Vacuum gauge, where fitted
C Cylinder liquid tap
D R410A gas cylinder
E Service fitting (closed)
F Gas pipe
G Liquid pipe
H External unit
Lo Hi
R410A
A
E
H
E
C
D
B
F
G