Ingersoll-Rand Odyssey TTA061G A Series, Installation, Operation And Maintenance Manual

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SS-SVX10H-EN 23
and work toward the indoor unit. See
recommended tube sizes, .
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 15, p. 22 .
N NO OT TIIC CE E
S Sy ys stte em m C Co om mp po on ne en ntt D Da am ma ag ge e!!
IIn ns stta 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
s so 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 esss su urre e cca an n d da am ma ag ge e ssy ysstte em m c co om mp po on ne en nttss..
N NO OT TIIC CE E
S Sy ys stte 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 s su urrffa acce es s
ffrro om m e ex xcce esss siiv ve e h he ea att.. H He ea att cca an n d da am ma ag ge e s sy ysstte em m
c co 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 service valve. Disconnect the line from the
gauge port on the 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 c ca ap pss u un nttiill tth he e
g ga au ug ge e p po orrtt cco orre es s h ha av ve e b be ee en n rre em mo ov ve ed d.. IIff sse ea all c ca ap ps s
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 ps s ffrro om m rre effrriig ge erra an ntt
c co on nn ne eccttiio on ns s,, o orr o op pe en n tth he e sse errv viicce e v va allv ve ess 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
c co on nn ne eccttiio on ns s.. 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 xc ce 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 s sy 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
H Ha azza arrd d o off E Ex xp pllo os siio on n!!
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 ac ce etty ylle en ne e,, o ox xy yg ge en n o orr
cco om mp prre es ssse 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 os sp ph he erriic c 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 as s
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
H Ha azza arrd d o off E Ex xp pllo os siio on n!!
F Fa aiillu urre e tto o ffo ollllo ow w rre ec co om mm me en nd de ed d s sa affe e lle ea ak k tte esstt
p prro occe ed du urre ess cco ou ulld d rre essu ulltt iin n d de ea atth h o orr s se erriio ou us s 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 es stt sso ollu uttiio on n ffo orr lle ea akk tte es sttiin ng g..
After the brazing operation of refrigerant lines to both
the outdoor and indoor unit is completed, the field
brazed connections must be checked for leaks.
Pressurize the system through the service valve with
dry nitrogen to 200 psi. Use soap bubbles or other leak-
checking methods to ensure that all field joints are leak
free. If not, release pressure, repair and repeat leak test.
System Evacuation
1. After completion of leak check, evacuate the
system.
2. Attach appropriate hoses from manifold gauge to
gas and liquid line pressure taps.
N No otte e:: Unnecessary switching of hoses can be
avoided and complete evacuation of all lines
leading to sealed system can be
accomplished with manifold center hose and
connecting branch hose to a cylinder of R-
410A and vacuum pump.
3. Attach center hose of manifold gauges to vacuum
pump.
IIn ns stta alllla attiio on n