Trane CAUJ-C20, Инструкция по установке, эксплуатации и обслуживанию, Страница: 53 / 60

CAUJ-SVX01E-EN 53
Coil Cleaning
N NO OT TIIC CE E
D Da am ma ag giin ng g C Co oiill C Clle ea an ne errs s!!
C Co oiill cclle ea an ne errss cca an n d da am ma ag ge e rro oo offss,, ssu urrrro ou un nd diin ng g
b bu uiilld diin ng gss,, v ve eh hiicclle ess,, e ettcc..
C Clle ea an niin ng g ssu ub bs stta an ncce ess s sh ho ou ulld d b be e c ch he ecckke ed d tto o e en nssu urre e
tth ha att tth he ey y w wiillll n no ott cca au us se e d da am ma ag ge e tto o ssu urrrro ou un nd diin ng gss..
C Co oiills s a an nd d rro oo off ((iiff a ap pp plliicca ab blle e)) ssh ho ou ulld d b be e rriin ns se ed d
tth ho orro ou ug gh hlly y.. D Do o n no ott ssp prra ay y cco oiill cclle ea an ne errss iin n w wiin nd dy y
c co on nd diittiio on nss..
Regular coil maintenance, including annual cleaning,
enhances unit’s operating efficiency by minimizing:
• compressor head pressure and amperage draw;
• water carryover;
• fan brake horsepower; and,
• static pressure losses.
At least once each year—or more often if the unit is
located in a “dirty” environment—clean the
microchannel condenser using the instructions
outlined below. Be sure to follow these instructions as
closely as possible to avoid damaging the coils.
To clean refrigerant coils, use a soft brush and a
sprayer.
N No otte e:: DO NOT use any detergents with microchannel
condenser coils. Pressurized water or air ONLY.
1. Remove enough panels from the unit to gain safe
access to coils..
W WA AR RN NIIN NG G
N No o S Stte ep p S Su urrffa ac ce e!!
F Fa aiillu urre e tto o ffo ollllo ow w iin nssttrru uccttiio on n 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..
D Do o n no ott w wa allkk o on n tth he e s sh he ee ett m me etta all d drra aiin n p pa an n.. W Wa allkkiin ng g
o on n tth he e d drra aiin n p pa an n c co ou ulld d c ca au usse e tth he e ssu up pp po orrttiin ng g m me etta all
tto o cco olllla ap psse e a an nd d rre essu ulltt iin n tth he e o op pe erra atto orr//tte ecch hn niicciia an n
ffa alllliin ng g..
IIM MP PO OR RT TA AN NT T:: Bridging between the main supports
required before attempting to enter into
the unit. Bridging may consist of
multiple 2 by 12 boards or sheet metal
grating.
2. Straighten any bent coil fins with a fin comb.
3. For accessible areas, remove loose dirt and debris
from both sides of the coil. For dual row
microchannel condenser coil applications, seek
pressure coil wand extension through the local
Trane Parts Center.
N No otte e:: DO NOT use any detergents with
microchannel coils. Pressurized water or air
ONLY.
4. Pour the cleaning solution into the sprayer. If a
high-pressure sprayer is used:
a. The minimum nozzle spray angle is 15 degrees.
b. Do not allow sprayer pressure to exceed 600 psi.
c. Spray the solution perpendicular (at 90 degrees)
to the coil face.
5. Spray the leaving-airflow side of the coil first; then
spray the opposite side of the coil. For evaporator
and reheat coils, allow the cleaning solution to
stand on the coil for five minutes.
6. Rinse both sides of the coil with cool, clean water.
7. Inspect both sides of the coil; if it still appears to be
dirty, repeat Steps 6 and 7.
8. Reinstall all of the components and panels removed
in Step 1; then restore power to the unit.
Microchannel Condenser Coil Repair and
Replacement
If microchannel condenser coil repair or replacement is
required, see Service Guide document RT-SVB83*-EN
for further details.
Fall Restraint — Condenser Roof
W WA AR RN NIIN NG G
F Fa alllliin ng g O Offff E Eq qu uiip pm me en ntt!!
F Fa aiillu urre e tto o ffo ollllo ow w iin ns sttrru uc cttiio on nss 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..
T Th hiis s u un niitt iiss b bu uiilltt w wiitth h ffa allll rre essttrra aiin ntt s sllo otts s llo occa atte ed d o on n
u un niitt tto op p tth ha att M MU US ST T b be e u usse ed d d du urriin ng g sse errv viic ciin ng g..
T Th he es se e s sllo otts s a arre e tto o b be e u usse ed d w wiitth h ffa allll rre essttrra aiin ntt
e eq qu uiip pm me en ntt tth ha att w wiillll n no ott a allllo ow w a an n iin nd diiv viid du ua all tto o
rre ea ac ch h tth he e u un niitt e ed dg ge e.. H Ho ow we ev ve err ssu uc ch h e eq qu uiip pm me en ntt w wiillll
N NO OT T p prre ev ve en ntt ffa alllliin ng g tto o tth he e g grro ou un nd d,, ffo orr tth he ey y a arre e
N NO OT T d de es siig gn ne ed d tto o w wiitth hs stta an nd d tth he e ffo orrc ce e o off a a ffa alllliin ng g
iin nd diiv viid du ua all..
This unit is built with fall restraint slots located on unit
top that must be used during servicing. See figures
below.
M Ma aiin ntte en na an nc ce e