Trane SCWM, Инструкция по установке, эксплуатации и обслуживанию

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PKG-SVX027C-EN 71
system back into service.
8. Straighten any coil fins that may be damaged with a
fin rake.
9. Replace all panels and parts and restore electrical
power to the unit.
10. Ensure that contaminated material does not contact
other areas of the equipment or building. Properly
dispose of all contaminated materials and cleaning
solutions.
Refrigerant Coils
W WA AR RN NIIN NG G
H Ha azza arrd do ou uss V Vo olltta ag ge e w w//C Ca ap pa acciitto orrss!!
F Fa aiillu urre e tto o d diisscco on nn ne ecctt p po ow we err a an nd d d diisscch ha arrg ge e
cca ap pa acciitto orrss b be effo orre e sse errv viicciin ng g 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 Diisscco on nn ne ecctt a allll e elle eccttrriicc p po ow we err,, iin nccllu ud diin ng g rre em mo otte e
d diisscco on nn ne eccttss a an nd d d diisscch ha arrg ge e a allll m mo otto orr sstta arrtt//rru un n
cca ap pa acciitto orrss b be effo orre e sse errv viicciin ng g.. F Fo ollllo ow w p prro op pe err
llo occkko ou utt// tta ag go ou utt p prro occe ed du urre ess tto o e en nssu urre e tth he e p po ow we err
cca an nn no ott b be e iin na ad dv ve errtte en nttlly y e en ne errg giizze ed d.. V Ve erriiffy y w wiitth h a a
C CA AT T IIIIII o orr IIV V v vo ollttm me ette err rra atte ed d p pe err N NF FP PA A 7 70 0E E tth ha att a allll
cca ap pa acciitto orrss h ha av ve e d diisscch ha arrg ge ed d..
1. Disconnect all electrical power to the unit.
2. Wear the appropriate personal protective
equipment (PPE).
3. Access to the coil section of the unit (both sides).
4. Use a soft brush to remove loose debris from both
sides of the coil.
5. Mix a high quality coil cleaning detergent with
water according to the manufacturer’s instructions.
If the detergent is strongly alkaline after mixing (pH
8.5 or higher), it must contain an inhibitor. Carefully
follow the cleaning solution manufacturer’s
instructions regarding product use.
6. Place the mixed solution in a garden pump-up
sprayer or high pressure sprayer. If using a high
pressure sprayer note the following:
• Maintain a minimum nozzle spray angle of 15°
• Spray perpendicular to the coil face
• Protect other areas of the equipment and
internal controls from contact with moisture or
the cleaning solution
• Keep the nozzle at least six inches from the coil
• Do not exceed 600 psig
Draining the Waterside Economizer Coil
N NO OT TIIC CE E
C Co oiill F Frre ee ezze e--U Up p!!
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
e eq qu uiip pm me en ntt d da am ma ag ge e..
D Drra aiin n a an nd d v ve en ntt cco oiillss w wh he en n n no ott iin n u usse e.. T Trra an ne e
rre ecco om mm me en nd dss g glly ycco oll p prro otte eccttiio on n iin n a allll p po ossssiib blle e
ffrre ee ezziin ng g a ap pp plliicca attiio on nss.. U Usse e a a g glly ycco oll a ap pp prro ov ve ed d ffo orr
u usse e w wiitth h cco om mm me errcciia all cco oo olliin ng g a an nd d h he ea attiin ng g ssy ysstte em mss
a an nd d cco op pp pe err ttu ub be e cco oiillss..
Drain plugs are in the piping below supply and return
header for each coil. Use these plugs to drain the coil
and piping. When draining the coil, open the vents at
the top of the supply and return headers. Also, a drain
plug is at the bottom of the inlet condenser manifold
and in the outlet pipe near the left side of the unit.
Remove these plugs to drain the condensers. Be sure
to open the vent plugs at the top of the condenser inlet
and outlet manifold. See .
When refilling the condenser/waterside economizer
coil system with water, provide adequate water
treatment to prevent the formation of scale or
corrosion.
Chemically Cleaning the Condenser
N NO OT TIIC CE E
P Prro op pe err W Wa atte err T Trre ea attm me en ntt R Re eq qu uiirre ed d!!
T Th he e u usse e o off u un nttrre ea atte ed d o orr iim mp prro op pe errlly y ttrre ea atte ed d w wa atte err
cco ou ulld d rre essu ulltt iin n sscca alliin ng g,, e erro ossiio on n,, cco orrrro ossiio on n,, a allg ga ae e o orr
sslliim me e..
U Usse e tth he e sse errv viicce ess o off a a q qu ua alliiffiie ed d w wa atte err ttrre ea attm me en ntt
ssp pe ecciia alliisstt tto o d de ette errm miin ne e w wh ha att w wa atte err ttrre ea attm me en ntt,, iiff
a an ny y,, iiss rre eq qu uiirre ed d.. T Trra an ne e a assssu um me ess n no o rre essp po on nssiib biilliitty y
ffo orr e eq qu uiip pm me en ntt ffa aiillu urre ess w wh hiicch h rre essu ulltt ffrro om m u un nttrre ea atte ed d
o orr iim mp prro op pe errlly y ttrre ea atte ed d w wa atte err,, o orr ssa alliin ne e o orr b brra acckkiissh h
w wa atte err..
Condensing water contains minerals that collect in the
condenser. Cooling towers also collect dust and foreign
materials that deposit in the condenser. The formation
of scale or sludge in the condenser is indicated by a
decreased water flow, low temperature difference
between inlet and outlet water, and abnormally high
condensing temperatures. To maintain maximum
condenser efficiency, the condenser must remain free
of built-up scale and debris. Clean the condenser
chemically. This unit is equipped with removable and
cleanable 20 mesh strainer. The unit is also equipped
with differential pressure sensors that will alert the
user when the strainer needs to be replaced. Proper
maintenance and cleaning of the condenser is
necessary to ensure proper performance of the unit.
1. Disconnect all electrical power to the unit.
2. Wear appropriate personal protective equipment
(PPE).
M Ma aiin ntte en na an ncce e