Midea EZ-18RD6-O handleiding

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Handleiding

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OPEN VALVE STEMS GENTLY
Ensure to open all the valves after evacuation. When opening valve stems, turn the hexagonal
wrench until it hits against the stopper. Do not try to force the valve to open further.
40
If there is a change in system pressure, refer to Gas Leak
Check section for information on how to check for leaks.
If there is no change in system pressure, unscrew the cap
from the packed valve (high pressure valve).
Insert hexagonal wrench into the packed valve(high
pressure valve) and open the valve by turning the wrench
in a 1/4 counterclockwise turn. Listen for gas to exit the
system, then close the valve after 5 seconds.
Watch the Pressure Gauge for one minute to make sure
that there is no change in pressure. The Pressure Gauge
should read slightly higher than atmospheric pressure.
Remove the charge hose from the service port.
Using hexagonal wrench, fully open both the high
pressure and low pressure valves.
Tighten valve caps on all three valves (service port, high
pressure, low pressure) by hand. You may tighten it
further using a torque wrench if needed.
Flare nut
Cap
valve body
valve stem
Step 2
DO NOT MIX REFRIGERANT TYPES.
ADDITIONAL REFRIGERANT PER PIPE LENGTH
Connective Pipe
Length (m)
Air Purging
Method
Additional Refrigerant
< Standard pipe length Vacuum Pump N/A
> Standard pipe
length
Vacuum Pump
Liquid Side: Ø 6.35 (1/4”)
Liquid Side: Ø 9.52 (3/8”)
R410A:
R410A:
(Pipe length – standard length) x 15g/m
(Pipe length – standard length) x 30g/m
NOTE
Some systems require additional charging depending on pipe lengths. The standard pipe length is
5m (16‘). The refrigerant should be charged from the service port on the outdoor unit’s low pressure
valve. The additional refrigerant to be charged can be calculated using the following formula:
ON ADDING REFRIGERANT
R32:
R32:
(Pipe length – standard length) x 24g/m
(Pipe length – standard length) x 12g/m
(Pipe length – standard length) x 0.16oZ/ft
(Pipe length – standard length) x 0.32oZ/ft
(Pipe length – standard length) x 0.13oZ/ft
(Pipe length – standard length) x 0.26oZ/ft

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Productinformatie

MerkMidea
ModelEZ-18RD6-O
CategorieAirco
TaalNederlands
Grootte20817 MB