![background image](http://html1.mh-extra.com/html/carrier/50cj/50cj_installation-operation-and-maintenance-instructions_2562427063.webp)
EN
10 - SERVICE INTERVAL SUMMARY TABLE
Regular maintenance will keep the unit running at optimum performance levels. The values given in the table below are provided for
guidance only. They do not take into account individual factors that can lengthen or shorten the unit's service life.
COMPONENT
AT 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)
(1)
- Check the connections
- Check the condition of the
cylinder, replacing it if necessary
- Retighten the electrical
connections
- Check the components
- Check the condensate drains
- Make sure that steam is evenly
distributed
Fans
- Check the connections
- Retighten the electrical
connections
Electrics box
- Check the connections
- Check correct operation
- Retighten the electrical
connections
- Check the components
Hydraulic circuit
- Check correct operation
- Check the components
Water leak detection sensor
and relay
- Check the insulation
- Check correct operation
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 tightness
- Check correct operation
CL2 condensation unit
Refer to the corresponding instructions
(1) 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.
63