Steam Humidifier; Damper And Mixing - CIAT Climaciat Instruction Manual

ƒ Coil maintenance
Before carrying out any work:
- Cut the coil supplies.
- Run the ventilation until the heating elements have completely cooled to ambient temperature.
- Cut the fan supplies.
ƒ During maintenance:
- Check the general condition of the coil,
- Retighten the heating element connections (tightening torque 4 Nm),
- Check the condition of the heating elements for fouling, damage or corrosion,
- Check that the temperature limiters are operating correctly,
- Check the earth conductor,
- If necessary, clean the heating elements.
Do not use a cleaning product or cloths with detachable fibres (e.g. cotton/wool) on the heating elements.
- Make sure the electric heater box is clean and free from foreign objects
- Remove any impurities using a vacuum cleaner and/or a cleaning product,
Never activate the heaters in the absence of air flow.
ELECTRICAL DANGER: Door for directly accessing the electrical connections. Lock the door with the key once closed.
ƒ Numerous factors may lead to general overheating of the electrical components, resulting in activation of the thermostats.
- Examples:
- Powering up without ventilation,
- Insufficient air flow,
- Clogged filters,
- Reversing the fan's direction of rotation,
- Air dampers closed.

10.6 Steam humidifier

Warning!
Follow the safety instructions (see § 2 - SAFETY INSTRUCTIONS).
10.6.1 On the humidifier:
ƒ Clean the humidifier once a year and replace its steam cylinder. These operations must be carried out by qualified personnel,
in accordance with the manufacturer's instructions (see manual supplied with the unit).
ƒ The information below constitutes the general rules to be followed:
- Check and clean the water filters.
- Check the electrical contacts and the correct operation and cleanliness of the supply and drainage solenoid valves.
- Make sure the steam distribution is free from deposits and leaks.
- Check the electrical current.
- Clean all of the pipes and check their general condition (porosity, hardness).
- If replacing the cylinder, check the condition and cleanliness of the gaskets and their faces.
10.6.2 On the unit:
ƒ Follow the instructions given in section 10.1 General recommendations for cleaning
ƒ Check the condition of the rails and the pan, and the fouling level of the eliminator cells, and look for any corrosion or damage.
ƒ The drain pan siphon (option) must be activated during commissioning or after a period of prolonged downtime.
ƒ Clean and disinfect the siphon with a suitable product.
ƒ Clean and disinfect the drain pans with a suitable product.
ƒ Make sure the box is clean and free from foreign objects. Remove any impurities using a vacuum cleaner and/or a cleaning
product.
ƒ Check that the humidity sensors (option) are operating correctly.

10.7 Damper and mixing

Warning!
Follow the safety instructions (see § 2 - SAFETY INSTRUCTIONS).
ƒ Frequency:
- Every three months
- Every month for ATEX units
- Follow the instructions given in section 10.1 General recommendations for cleaning
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