![GREE ELECTRIC DC Inverter U-match Series Скачать руководство пользователя страница 31](http://html.mh-extra.com/html/gree-electric/dc-inverter-u-match-series/dc-inverter-u-match-series_owners-manual_2260801031.webp)
DC Inverter U-match Series Duct Type Unit
26
Notice:
Only for the GUD125W/A-S, GUD125W/A-X,
GUD140W/A-S, GUD140W/A-X, GUD160W/A-S, GUD160W/A-X units.
3.2.4 Connection Pipe Vacuum Pumping and Leak Detection
3.2.4.1 Vacuum Pumping
NOTICE
Make sure the outlet of vacuum pump is away from fire source and is well-ventilated.
(1) Remove the caps of the liquid valve, gas valve and also the
service port.
(2) Connect the hose at the low pressure side of the manifold valve
assembly to the service port of the unit’s gas valve, and
meanwhile the gas and liquid valves should be kept closed in
case of refrigerant leak.
(3) Connect the hose used for evacuation to the vacuum pump.
(4) Open the switch at the lower pressure side of the manifold
valve assembly and start the vacuum pump. Meanwhile, the
switch at the high pressure side of the manifold valve assembly
should be kept closed, otherwise evacuation would fail.
(5) The evacuation duration depends on the unit’s capacity,
generally.
Model
Time(min)
GUD35P/A-S ,GUD35PS/A-S
20
GUD50P/A-S ,GUD50PS/A-S
GUD71P/A-S ,GUD71PS/A-S
30
GUD100PS/A-S,GUD100PHS/A-S
GUD125PS/A-S,GUD125PHS/A-S
GUD140PS/A-S,GUD140PHS/A-S
45
GUD160PS/A-S,GUD160PHS/A-S
And verify if the pressure gauge at the low pressure side of the
Содержание DC Inverter U-match Series
Страница 65: ......