RT-SVX24Q-EN
205
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VVaappoorrss!!
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ccoouulldd rreessuulltt iinn eexxppoossuurree ttoo hhaazzaarrddoouuss ggaasseess,,
ffuueell ssuubbssttaanncceess,, oorr ssuubbssttaanncceess ffrroomm
iinnccoommpplleettee ccoommbbuussttiioonn,, wwhhiicchh ccoouulldd rreessuulltt iinn
ddeeaatthh oorr sseerriioouuss iinnjjuurryy.. TThhee ssttaattee ooff CCaalliiffoorrnniiaa
hhaass ddeetteerrmmiinneedd tthhaatt tthheessee ssuubbssttaanncceess mmaayy
ccaauussee ccaanncceerr,, bbiirrtthh ddeeffeeccttss,, oorr ootthheerr
rreepprroodduuccttiivvee hhaarrmm..
IImmpprrooppeerr iinnssttaallllaattiioonn,, aaddjjuussttmmeenntt,, aalltteerraattiioonn,,
sseerrvviiccee oorr uussee ooff tthhiiss pprroodduucctt ccoouulldd ccaauussee
ffllaammmmaabbllee mmiixxttuurreess oorr lleeaadd ttoo eexxcceessssiivvee
ccaarrbboonn mmoonnooxxiiddee.. TToo aavvooiidd hhaazzaarrddoouuss ggaasseess
aanndd ffllaammmmaabbllee vvaappoorrss ffoollllooww pprrooppeerr
iinnssttaallllaattiioonn aanndd sseettuupp ooff tthhiiss pprroodduucctt aanndd aallll
wwaarrnniinnggss aass pprroovviiddeedd iinn tthhiiss mmaannuuaall..
☐ Verify that the ignition system operates properly.
Coil Cleaning
Regular coil maintenance, including annual cleaning
enhances the unit’s operating efficiency by minimizing
the following:
• Compressor head pressure and amperage draw
• Water carryover
• Fan brake horsepower
• Static pressure losses
At least once each year—or more often if the unit is
located in a “dirty” environment—clean the
evaporator, microchannel condenser, and reheat coils
using the instructions outlined below. Be sure to follow
these instructions as closely as possible to avoid
damaging the coils.
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oorr eeyyeess ooccccuurrss..
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sskkiinn.. AALLWWAAYYSS wweeaarr PPeerrssoonnaall PPrrootteeccttiivvee
EEqquuiippmmeenntt ((PPPPEE)) iinncclluuddiinngg ggoogggglleess oorr ffaaccee sshhiieelldd,,
cchheemmiiccaall rreessiissttaanntt gglloovveess,, bboooottss,, aapprroonn oorr ssuuiitt aass
rreeqquuiirreedd.. FFoorr ppeerrssoonnaall ssaaffeettyy rreeffeerr ttoo tthhee cclleeaanniinngg
aaggeenntt mmaannuuffaaccttuurreerr’’ss MMaatteerriiaallss SSaaffeettyy DDaattaa SShheeeett
aanndd ffoollllooww aallll rreeccoommmmeennddeedd ssaaffee hhaannddlliinngg
pprraaccttiicceess..
Refrigerant Coils
To clean refrigerant coils, use a soft brush and a
sprayer.
IImmppoorrttaanntt:: DO NOT use any detergents with
microchannel condenser coils. Pressurized
water or air ONLY.
For evaporator and reheat coil cleaners, contact the
local Trane Parts Center for appropriate detergents.
1. Remove enough panels from the unit to gain safe
access to coils.
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.
4. When cleaning evaporator and reheat coils, mix the
detergent with water according to the
manufacturer’s instructions. If desired, heat the
solution to 150° F maximum to improve its
cleansing capability.
IImmppoorrttaanntt:: DO NOT use any detergents with
microchannel coils. Pressurized water
or air ONLY.
5. 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.
d. For evaporator and reheat coils, maintain a
minimum clearance of 6" between the sprayer
nozzle and the coil. For microchannel condenser
coils, optimum clearance between the sprayer
nozzle and the microchannel coil is 1"-3”.
6. 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.
7. Rinse both sides of the coil with cool, clean water.
8. Inspect both sides of the coil; if it still appears to be
dirty, repeat Steps 6 and 7.
9. Reinstall all of the components and panels removed
in Step 1; then restore power to the unit.
10. For evaporator and reheat coils, use a fin comb to
straighten any coil fins which were inadvertently
bent during the cleaning process.
Steam or Hot Water Coils
To clean a steam or hot water coil, use a soft brush, a
steam-cleaning machine, and water.
1. Verify that switches 1S1 and 1S70 are turned
“OFF”, and that the main unit disconnect is locked
open.
SSeerrvviiccee aanndd MMaaiinntteennaannccee
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