Gree GWH18MC-K3NNA2K/I - Page 33

30
Installation and Maintenance
Service Manual
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VPRRWKO\$VVKRZLQ)LJ
Liquid valve
Gas valve
Refrigerant charging
vent
Nut of refrigerant
Charging vent
Vacuum pump
Piezometer
Valve cap
Lo Hi
Inner hexagon
spanner
Open
Close
The drain hose can't be fluctuant
The drain hose
can't be fluctuant
The water
outlet can't be
fluctuant
NO. ,WHPVWREHFKHFNHG Possible malfunction
1
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LQVWDOOHG¿UPO\"
7KHXQLWPD\GURSVKDNHRU
emit noise.
2
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,WPD\FDXVHLQVXI¿FLHQWFRROLQJ
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3
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It may cause condensation and
water dripping.
4 ,VZDWHUGUDLQHGZHOO"
It may cause condensation and
water dripping.
5
,VWKHYROWDJHRISRZHU
VXSSO\DFFRUGLQJWRWKH
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It may cause malfunction or
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6
Is electric wiring and
pipeline installed
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It may cause malfunction or
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7
,VWKHXQLWJURXQGHG
VHFXUHO\"
,WPD\FDXVHHOHFWULFOHDNDJH
8
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It may cause malfunction or
GDPDJHWKHSDUWV
9
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KHDWLQJ
10
7KHGXVWDQG
sundries caused
during installation are
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It may cause malfunction or
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11
7KHJDVYDOYHDQGOLTXLG
valve of connection pipe
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,WPD\FDXVHLQVXI¿FLHQWFRROLQJ
KHDWLQJFDSDFLW\
The water outlet
can't be placed
in water
1. Use Vacuum Pump
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DQGWKHQXWRIUHIULJHUDQWFKDUJLQJYHQW
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KRVHWRWKHYDFXXPSXPS
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WKHSUHVVXUHGHFUHDVHVWKHUHPD\EHOHDNDJH
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DQGJDVYDOYHFRPSOHWHO\ZLWKLQQHUKH[DJRQVSDQQHU
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vent.
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1. Check after Installation
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installation.
2. Test operation
(1) Preparation of test operation
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controller to start operation.
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ć
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conditioner can’t start cooling.
2. Leakage detection
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,IOHDNDJHGHWHFWRULVQRWDYDLODEOHSOHDVHXVHVRDSZDWHUIRU
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8.7 Vacuum Pumping and Leak Detection
8.8 Check after Installation and Test
Operation
Fig.26
Fig.27
Fig.28