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PAW-VP•LDHW - Technical Manual – 2020-07
Tubing Data and Refrigerant
5
5 Tubing Data and Refrigerant
5.1 Tubing data for DHW and outdoor unit combination
5.1.1 PAW-VP1000LDHW
Indoor Unit
Outdoor Unit
PAW-VP1000LDHW
U-250PE2E8A
Tubing data
Tubing size outer diameter Refrigerant
connection pipe
Liquid tube
[mm (inch.)] Ø 9.52 (3/8)
Gas tube
[mm (inch.)] Ø 19.05 (3/4)
Indoor unit pipe junction
Liquid tube
[mm (inch.)] Ø brazing 12.7 (1/2)
Gas tube
[mm (inch.)] Ø brazing 19.05 (3/4)
Outdoor unit pipe junction
Liquid tube
[mm (inch.)]
Ø flared connection 12.7 (1/2)
Gas tube
[mm (inch.)]
Ø flared connection 25.4 (1)
Wall thickness of the insulation
Liquid tube
[mm] >10
Gas tube
[mm] >19
Limit of tubing length (L)
[m] 30
Height differential of Indoor/ Outdoor
units (H1)
Outdoor unit is placed higher
[m] 30
Outdoor unit is placed lower
[m] 30
Attention: follow instruction
Remove 1400 g for pipe length 7.5 m
Required additional refrigerant over 7,5 meters
[g/m]
45 (>7.5m = -1400 g + 45 g/m)
Refrigerant charged at shipment R410A
[kg] 6.4
Indoor Unit
Outdoor Unit
PAW-VP1000LDHW
U-16MF3E8
Tubing data
Tubing size outer diameter
Refrigerant connection pipe between SVK
and Tank
Liquid tube
[mm (inch.)] Ø 9.52 (3/8)
Gas tube
[mm (inch.)] Ø19.08 (3/4)
Indoor unit pipe junction
Liquid tube
[mm (inch.)] Ø brazing 12.7 (1/2)
Gas tube
[mm (inch.)] Ø brazing 19.05 (3/4)
Wall thickness of the insulation
Liquid tube
[mm] >10
Gas tube [mm]
>19
Limit of tubing length (L)
[m] 50
Height differential of Indoor/
Outdoor units (H1)
Outdoor unit is placed higher
[m] 30
Outdoor unit is placed lower
[m] 30
Attention: follow instruction
*
Indoor Outdoor ratio
Indoor unit capacity not more than [%] of
Outdoor capacity
130
Refrigerant charged at shipment R410A
[kg] 8.3
*The system must have extra refrigerant filling, please see installation manual for U-16MF3E8.
Between SVK Box and Tank other charge calculation must be done according to MF3 installation manual.
Pipe connection between distribution joint and SVK box refer to installation manual.