Trane Odyssey TWA0604DA, Installation, Operation And Maintenance Manual

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20 SSP-SVX001B-EN
W WA AR RN NIIN NG G
E Ex xp pllo ossiio on n H Ha azza arrd d a an nd d D De ea ad dlly y G Ga asse ess!!
F Fa aiillu urre e tto o ffo ollllo ow w a allll p prro op pe err ssa affe e rre effrriig ge erra an ntt
h ha an nd dlliin ng g p prra accttiicce ess cco ou ulld d rre essu ulltt iin n d de ea atth h o orr sse erriio ou uss
iin njju urry y..
N Ne ev ve err sso olld de err,, b brra azze e o orr w we elld d o on n rre effrriig ge erra an ntt lliin ne ess o orr
a an ny y u un niitt cco om mp po on ne en nttss tth ha att a arre e a ab bo ov ve e a attm mo ossp ph he erriicc
p prre essssu urre e o orr w wh he erre e rre effrriig ge erra an ntt m ma ay y b be e p prre esse en ntt..
A Allw wa ay yss rre em mo ov ve e rre effrriig ge erra an ntt b by y ffo ollllo ow wiin ng g tth he e
g gu uiid de elliin ne ess e esstta ab blliissh he ed d b by y tth he e E EP PA A F Fe ed de erra all C Clle ea an n
A Aiirr A Acctt o orr o otth he err sstta atte e o orr llo occa all cco od de ess a ass a ap pp prro op prriia atte e..
A Afftte err rre effrriig ge erra an ntt rre em mo ov va all,, u usse e d drry y n niittrro og ge en n tto o
b brriin ng g ssy ysstte em m b ba acckk tto o a attm mo ossp ph he erriicc p prre essssu urre e b be effo orre e
o op pe en niin ng g ssy ysstte em m ffo orr rre ep pa aiirrss.. M Miix xttu urre ess o off
rre effrriig ge erra an nttss a an nd d a aiirr u un nd de err p prre essssu urre e m ma ay y b be ecco om me e
cco om mb bu ussttiib blle e iin n tth he e p prre esse en ncce e o off a an n iig gn niittiio on n sso ou urrcce e
lle ea ad diin ng g tto o a an n e ex xp pllo ossiio on n.. E Ex xcce essssiiv ve e h he ea att ffrro om m
sso olld de erriin ng g,, b brra azziin ng g o orr w we elld diin ng g w wiitth h rre effrriig ge erra an ntt
v va ap po orrss p prre esse en ntt cca an n ffo orrm m h hiig gh hlly y tto ox xiicc g ga asse ess a an nd d
e ex xttrre em me elly y cco orrrro ossiiv ve e a acciid dss..
4. Cut, fit and braze tubing, starting at the outdoor unit
and work toward the indoor unit. See “Charging
Levels,” p. 23 .
N No otte e:: Use long radius ells for all 90° bends.
All brazing should be done using a 2 to 3 psig dry
nitrogen purge flowing through the pipe being
brazed, see
Figure 12, p. 19 .
N NO OT TIIC CE E
S Sy ysstte em m C Co om mp po on ne en ntt D Da am ma ag ge e!!
IIn nsstta allll a a rre eg gu ulla attiin ng g v va allv ve e b be ettw we ee en n tth he e n niittrro og ge en n
sso ou urrcce e a an nd d tth he e g ga au ug ge e m ma an niiffo olld d.. U Un nrre eg gu ulla atte ed d
p prre essssu urre e cca an n d da am ma ag ge e ssy ysstte em m cco om mp po on ne en nttss..
N NO OT TIIC CE E
S Sy ysstte em m C Co om mp po on ne en ntt D Da am ma ag ge e!!
W We ett--w wrra ap p a allll v va allv ve ess a an nd d p prro otte ecctt p pa aiin ntte ed d ssu urrffa acce ess
ffrro om m e ex xcce essssiiv ve e h he ea att.. H He ea att cca an n d da am ma ag ge e ssy ysstte em m
cco om mp po on ne en nttss a an nd d tth he e u un niitt ffiin niissh h..
5. Shut off nitrogen supply. Shut off the manifold
valve for the line that is connected to the suction
line access valve. Disconnect the line from the
access valve.
Refrigerant Piping Procedures
(Indoor Unit)
Once liquid and suction lines are complete to the
refrigerant connections on the indoor unit, remove the
gauge port core(s) on the indoor unit connection stubs
to release the dry nitrogen charge.
N NO OT TIIC CE E
U Un niitt D Da am ma ag ge e!!
D Do o n no ott a ap pp plly y h he ea att tto o rre em mo ov ve e sse ea all cca ap pss u un nttiill tth he e
g ga au ug ge e p po orrtt cco orre ess h ha av ve e b be ee en n rre em mo ov ve ed d.. IIff sse ea all cca ap pss
a arre e iin ntta acctt,, a ap pp plliicca attiio on n o off h he ea att m ma ay y g ge en ne erra atte e
e ex xcce essssiiv ve e p prre essssu urre e iin n tth he e u un niitt a an nd d rre essu ulltt iin n
d da am ma ag ge e tto o tth he e cco oiill o orr e ex xp pa an nssiio on n v va allv ve e..
1. Remove both seal caps from the indoor unit
connection stubs.
N NO OT TIIC CE E
U Un niitt D Da am ma ag ge e!!
D Do o n no ott rre em mo ov ve e tth he e sse ea all cca ap pss ffrro om m rre effrriig ge erra an ntt
cco on nn ne eccttiio on nss u un nttiill p prre ep pa arre ed d tto o b brra azze e rre effrriig ge erra an ntt
lliin ne ess tto o tth he e cco on nn ne eccttiio on nss.. D Du ue e tto o tth he e h hiig gh h
h hy yg grro osscco op piicc p prro op pe errttiie ess o off tth he e R R--4 41 10 0A A o oiill,,
e ex xcce essssiiv ve e e ex xp po ossu urre e tto o a attm mo ossp ph he erre e w wiillll a allllo ow w
m mo oiissttu urre e tto o cco on ntta am miin na atte e tth he e ssy ysstte em m,, d da am ma ag giin ng g
tth he e cco om mp prre esssso orr..
2. Turn on nitrogen supply. Nitrogen enters through
the liquid line gauge port.
3. Braze the liquid line connections.
4. Open the gauge port on the suction line and then
braze the suction line to the connection stub.
Nitrogen will bleed out the open gauge port on the
suction line.
5. Shut off nitrogen supply.
Leak Check
W WA AR RN NIIN NG G
E Ex xp pllo ossiio on n H Ha azza arrd d!!
F Fa aiillu urre e tto o ffo ollllo ow w tth he esse e iin nssttrru uccttiio on nss cco ou ulld d rre essu ulltt iin n
d de ea atth h o orr sse erriio ou uss iin njju urry y o orr e eq qu uiip pm me en ntt o orr p prro op pe errtty y--
o on nlly y d da am ma ag ge e..
U Usse e o on nlly y d drry y n niittrro og ge en n w wiitth h a a p prre essssu urre e rre eg gu ulla atto orr ffo orr
p prre essssu urriizziin ng g u un niitt.. D Do o n no ott u usse e a acce etty ylle en ne e,, o ox xy yg ge en n o orr
cco om mp prre esssse ed d a aiirr o orr m miix xttu urre ess cco on ntta aiin niin ng g tth he em m ffo orr
p prre essssu urre e tte essttiin ng g.. D Do o n no ott u usse e m miix xttu urre ess o off a a
h hy yd drro og ge en n cco on ntta aiin niin ng g rre effrriig ge erra an ntt a an nd d a aiirr a ab bo ov ve e
a attm mo ossp ph he erriicc p prre essssu urre e ffo orr p prre essssu urre e tte essttiin ng g a ass tth he ey y
m ma ay y b be ecco om me e fflla am mm ma ab blle e a an nd d cco ou ulld d rre essu ulltt iin n a an n
e ex xp pllo ossiio on n.. R Re effrriig ge erra an ntt,, w wh he en n u usse ed d a ass a a ttrra acce e g ga ass
ssh ho ou ulld d o on nlly y b be e m miix xe ed d w wiitth h d drry y n niittrro og ge en n ffo orr
p prre essssu urriizziin ng g u un niittss..
W WA AR RN NIIN NG G
E Ex xp pllo ossiio on n H Ha azza arrd d!!
F Fa aiillu urre e tto o ffo ollllo ow w ssa affe e lle ea akk tte esstt p prro occe ed du urre ess b be ello ow w
cco ou ulld d rre essu ulltt iin n d de ea atth h o orr sse erriio ou uss iin njju urry y o orr
e eq qu uiip pm me en ntt o orr p prro op pe errtty y--o on nlly y--d da am ma ag ge e..
N Ne ev ve err u usse e a an n o op pe en n fflla am me e tto o d de ette ecctt g ga ass lle ea akkss.. U Usse e a a
lle ea akk tte esstt sso ollu uttiio on n ffo orr lle ea akk tte essttiin ng g..
IIn nsstta alllla attiio on n