Haier MRV S II - Anti-Fouling Measures; Pipe Specification

2929
Outdoor Installation
Anti-fouling measures
First, clean the pipe.
Position Installation period Measures
Outdoor
More than 1 month Flat the pipe end
Less than 1 month
Flat the pipe end or seal with
adhesive tape
Indoor Nothing to do with period
Pipe specication
The rst branch pipe
a
b
c
a
aa
1. Pipe a (indoor-branch pipe) diameter: decided by connected indoor capacity
Indoor rated capacity
(x100w)
Gas pipe Liquid pipe Note
22~28 9.52 6.35
AS07/092MGERA gas pipe should be 12.7
AS182MGERA gas / liquid pipe should be 15.88 / 9.52
36~56 12.7 6.35
71~140 15.88 9.52
226~300 25.4 9.52
450~600 28.58 12.7
(1) When pipe length between indoor & nearest branch pipe ≥15m, adjust in accordance with following criteria:
①
If indoor rated capacity≤5.6kW, change gas / liquid pipe diameter to 15.88 / 9.52
②
If 16.8kW≥ indoor rated capacity>5.6kW, change gas / liquid pipe diameter to 19.05 / 9.52
③
If indoor rated capacity>16.8kW, change liquid pipe diameter to 12.7