Gree GWH18YE-S6DBA2A/I, Service Manual

Page: 55 / 108

Service Manual
To e n s u re sa fe ty, please be m in d fu l o f th e fo llo w in g p re c a u tio n s .
Warnings
1. W hen in s ta llin g o r re lo c a tin g th e u n it, be s u re to keep th e re frig e ra n t c irc u it fre e fro m a ir o r s u b s ta n c e s o th e r th a n th e
s p e c ifie d re frig e ra n t.
A n y p re se n ce o f a ir o r o th e r fo re ig n s u b s ta n c e in th e re frig e ra n t c irc u it w ill c a u se s y s te m p re s s u re ris e o r c o m p re s s o r ru p ­
tu re , re s u ltin g in in ju ry.
2.W hen in s ta llin g o r m o v in g th is u n it, d o n o t c h a rg e th e re frig e ra n t w h ic h is n o t c o m p ly w ith th a t on th e n a m e p la te o r
u n q u a lifie d re frig e ra n t.
O th e rw is e , it m ay c a u s e a b n o rm a l o p e ra tio n , w ro n g a c tio n ,m e c h a n ic a l m a lfu n c tio n o r even s e rie s s a fe ty a ccid e n t.
3.W hen re frig e ra n t needs to be re co ve re d d u rin g re lo c a tin g o r re p a irin g th e u n it, be s u re th a t th e u n it is ru n n in g in c o o lin g
m o de.Then, fu lly c lo s e th e v a lv e at h ig h p re s s u re s id e (liq u id v a lv e ).A b o u t 30-40 s e c o n d s later, fu lly c lo s e th e
v a lv e at lo w p re s s u re s id e (gas valve), im m e d ia te ly s to p th e u n it and d is c o n n e c t pow er. P lease n o te th a t th e tim e fo r
re frig e ra n t re c o v e ry s h o u ld n o t exceed 1 m in u te .If re frig e ra n t re c o v e ry ta ke s to o m u ch tim e , a ir m ay be s u ck e d in
and c a u s e p re s s u re rise o r c o m p re s s o r ru p tu re , re s u ltin g in injury.
4 .D u rin g re frig e ra n t recovery, m ake s u re th a t liq u id v a lv e and g a s v a lv e are fu lly c lo s e d and p o w e r is d is c o n n e c te d befo re
d e ta c h in g th e c o n n e c tio n pipe. If c o m p re s s o r s ta rts ru n n in g w h e n s to p v a lve is o p e n and c o n n e c tio n p ip e is n o t y e t c o n ­
ne cte d , a ir w ill be s u c ke d in and c a u se p re s s u re ris e o r c o m p re s s o r ru p tu re , re s u ltin g in injury.
5.W hen in s ta llin g th e u n it, m ake s u re th a t c o n n e c tio n p ip e is s e c u re ly c o n n e c te d b e fo re th e c o m p re s s o r s ta rts ru n n in g .
If c o m p re s s o r s ta rts ru n n in g w h e n s to p v a lv e is o p e n and c o n n e c tio n p ip e is n o t y e t c o n n e c te d , a ir w ill be s u c ke d in and
c a u s e p re s s u re ris e o r c o m p re s s o r ru p tu re , re s u ltin g in in ju ry.
6 .P ro h ib it in s ta llin g th e u n it at th e p la ce w h e re th e re m ay be leaked c o rro s iv e g a s o r fla m m a b le gas.
If th e re leaked gas a ro u n d th e u n it, it m ay c a u s e e x p lo s io n and o th e r a cc id e n ts .
7.D o n o t use e x te n s io n c o rd s fo r e le c tric a l c o n n e c tio n s . If th e e le c tric w ire is n o t lo n g e n o u g h , please c o n ta c t a local
s e rv ic e c e n te r a u th o riz e d and a sk fo r a p ro p e r e le c tric w ire . P o o r c o n n e c tio n s m ay lead to e le c tric s h o c k o r fire.
8.U se th e s p e c ifie d ty p e s o f w ire s fo r e le c tric a l c o n n e c tio n s b etw een th e in d o o r and o u td o o r u n its . F irm ly c la m p th e
w ire s s o th a t th e ir te rm in a ls re ce ive no e xte rn a l s tre s s e s .
E le c tric w ire s w ith in s u ffic ie n t c a p a city, w ro n g w ire c o n n e c tio n s and in s e c u re w ire te rm in a ls m ay ca u se e le c tric s h o c k o r
fire.
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£ Installation and Maintenance