EN
14 - SERVICE INTERVALS
COMPONENT
ON COMMISSIONING
2-3 MONTHS
12 MONTHS
Filters
-Replace
-Replace
Cooling coil
- Clean
-Check and clean the condensate drains
Electric heater (option)
- Check the connections
- Clean
- Retighten the electrical connections
- Check the components
Humidifier (option)*
- Check the connections
- Check the condition of the
tank; replace if necessary
- Retighten the electrical connections
- Check the components
- Check the condensate drains
- Make sure that steam is evenly
distributed
- Retighten the electrical connections
Fan(s)
-Check correct operation
Electrics box
- Check the connections
- Check correct operation
- Retighten the electrical connections
- Check the components
-Check the insulation
- Check correct operation
Hydraulic circuit
- Check correct operation
Water leak detection sensor and relay
Filter pressure switch
- Check correct operation and
setpoint adjustment
- Check correct operation and
setpoint adjustment
- Check correct operation and setpoint
adjustment
Thermostat and fire control relay
- Check correct operation
-Check correct operation
- Check correct operation
Valve
- Check circuit for correct
operation and leaks
- Check correct operation
Pressure gauge
- Check the pressure and top up
or fill the circuit as necessary
* If a water softener or water treatment system is used, the water hardness should not be less than 40% of the initial hardness and should never be less than 15°f.
15 - OPERATING READINGS
DATE/TIME
Rated voltage (V)
Voltage at terminals (V)
Fan motor absorbed current (A)
Mechanical inspection: tubes, fastenings, etc.
Electrical connection tightness check
Clean the coil
Check the control
Check the filters
Check the sealing
This document is not legally binding. As part of its policy for continual product improvement, CARRIER reserves the right to make any
technical modification it considers necessary without prior notice.
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