Trane IntelliPak SAHL Series Installation, Operation And Maintenance Manual page 190

Maintenance
Always consult local codes for water treatment and waste water removal requirements. Consult a
water treatment expert for water analysis and chemical treatment methods and recommendations
for specific applications.
If deemed necessary after consultation with local water experts, there are various means of water
treatment available which can be field installed.
Copper Coil Cleaning
With proper water treatment, scale should not form on the coil, and coil cleaning should not be
required. In the event that scale starts to form on the coil, it is imperative that it is removed
immediately. The formation of scale can greatly reduce the performance and reliability of the coil.
To remove any scale that forms use only 100% citric acid based cleaners such as "Now" or other
pure citric acid products.
Important: Do not use HCL-, muriatic acid, or ammonia-based cleaners as they can adversely
Do not power wash condenser fan. See RT-SVB83*-EN for additional information.
Table 70. Evaporative Condenser Models—Maintenance and Troubleshooting
Component
Fan Motor None Required
Sump Pump Inspect/Clean
Sump Inspect/Clean
Sump Float Switch
Sump Float Inspect for proper
Make Up Valve
Spray Nozzles Inspect/Clean
Conductivity Sensor Inspect/Clean
Conductivity Controller Inspect/Recalibrate
Component
Fan Motor Does not run
Sump Pump Does not run
Sump Pump
Spray Nozzle Dry area on coil
190
affect copper.
Maintenance Schedule
Action
1 – 2 times per year depending on water
hardness and unit run time
Inspect
water level
Problem
Condenser Fan Relay closure and control voltage
indicating a call from compressor control panel
for the condenser fan to operate. Sump Pump
Overload Trip. Fan Motor Overload Trip. Fan fuse
Sump Pump Overload Trip Low Water Level or
faulty float switch. Unit in 'Dry Mode' Operation
Pump may be operating backwards or impeller
Low Flow
inlet may be slightly blocked.
Check for proper spray pattern over each
Frequency
1 – 2 times per year
1 – 2 times per year
1 – 2 times per year
1 – 2 times per year
1 – 2 times per year
1 – 2 times per year
Troubleshooting
Check
trip.
quadrant.
Comments
Non-grease bearings
Clean inlet openings to pump
Sump can be drained and hosed out using hose
bib provided at water fill solenoid valve.
Vacuuming scale out is an alternate method.
Float should be free for full float travel
Inspection through access panel
Clean sensor to ensure accurate readings
Recalibrate controller
Fix
Check each motor overload and reset if
necessary. Check amp draw for each leg.
Reset – check amps on each leg to determine if
faulty motor. Check and clean debris around float
switch. Check Ambient thermostat setting and
mode of operation (close on rise). See section 2
for T'stat setup instructions.
Change pumping direction by changing any two
legs to the pump motor. Disconnect Power and
remove pump to inspect for possible impeller
obstruction.
Remove debris from clogged nozzle.
RT-SVX36G-EN