Mitsubishi Electric PUHZ-ZRP100VKA3.UK Service Manual page 10

5 DATA
5-1. REFILLING REFRIGERANT CHARGE (R410A: kg) PUHZ-ZRP100–250
Service Ref.
PUHZ-ZRP100VKA3.UK
PUHZ-ZRP100YKA3.UK
PUHZ-ZRP100YKA3R1.UK
PUHZ-ZRP125VKA3.UK
PUHZ-ZRP125VKA3R1.UK
PUHZ-ZRP125YKA3.UK
PUHZ-ZRP125YKA3R1.UK
PUHZ-ZRP125YKA3R2.UK
PUHZ-ZRP140VKA3.UK
PUHZ-ZRP140VKA3R1.UK
PUHZ-ZRP140YKA3.UK
PUHZ-ZRP140YKA3R1.UK
PUHZ-ZRP140YKA3R2.UK
PUHZ-ZRP200YKA2.UK
PUHZ-ZRP250YKA2.UK
5-2. ADJUSTING THE AMOUNT OF REFRIGERANT PUHZ-ZRP200/250
Permitted
Service Ref.
pipe length
PUHZ-ZRP200YKA2.UK
100 m or less
PUHZ-ZRP250YKA2.UK
Calculate the additional charge amount based on the following procedure.
If the calculation results in an amount that is smaller than the "Additional charge amount for 70 m," perform the additional charge using the amount shown
in "Additional charge amount for 70 m."
Main piping:
Amount of additional Liquid line size
=
[12.7 over all length [m]
charge [kg]
o 0.11 [kg/m]
Additional charge amount
ZRP200 3.6 kg
for 70 m
ZRP250
5-3. COMPRESSOR TECHNICAL DATA
PUHZ-ZRP100/125/140VKA3.UK
Service Ref.
PUHZ-ZRP125/140VKA3R1.UK
Compressor model
U-V
Winding
U-W
Resistance
( " )
W-V
OCH645D
10 m 20 m
4.6 4.8
4.6 4.8
4.6 4.8
6.5 6.8
6.9 7.3
Initial charge
(kg)
30 m and less 31–40 m and less 41–50 m and less 51–60 m and less 61–70 m and less
7.1
No additional
charge necessary
7.7
Main piping:
Liquid line size
+
[9.52 overall length [m]
o 0.09 [kg/m]
4.8 kg
PUHZ-ZRP100/125/140YKA3.UK
PUHZ-ZRP100/125/140YKA3R1.UK
PUHZ-ZRP125/140YKA3R2.UK
ANB33FNFMT
0.50
0.50
0.50
Piping length (one way)
30 m 40 m 50 m
5.0 5.6 6.2
5.0 5.6 6.2
5.0 5.6 6.2
7.1 + 0.9 (8.0) + 1.8 (8.9) + 2.7 (9.8) + 3.6 (10.7)
7.7 + 1.2 (8.9) + 2.4 (10.1) + 3.6 (11.3) + 4.8 (12.5)
Additional charge is required for pipes longer
than 30 m.
Amount of additional refrigerant charge (kg)
0.9 kg 1.8 kg
1.2 kg 2.4 kg
Branch piping: Liquid
line size
+ +
[9.52 overall length [m]
o 0.06 [kg/m]
PUHZ-ZRP200/250YKA2.UK
ANB33FNCMT
1.21
1.21
1.21
10
60 m 75 m
6.8 7.4
6.8 7.4
6.8 7.4
71–100 m and less
The additional charge
2.7 kg 3.6 kg
amount is obtained by
the following formula.
3.6 kg 4.8 kg
Branch piping: Liquid
line size
– 3.6 (kg)
[6.35 overall length [m]
o 0.02 [kg/m]
(at 20°C)
ANB52FRNMT
0.31
0.31
0.31
Initial
charged
5.0
5.0
5.0
7.1
7.7