Man Hours 1
Special Instructions.
1. Review manufacturer's instructions.
2. Review the Procedure for "Selection, Care, and Use of
Respiratory Protection."
3. Turn off water supply.
4. Secure electrical service before servicing humidification system, if
applicable.
5. Use of work gloves may be necessary due to caustic residual mineral deposits.
Items to Check & Initial Completion:
1. ___ Operate humidistat through its throttling range to verify activation, or
deactivation of humidifier.
2. ___ Clean and flush condensate pans, drains, water pans, etc. Remove
corrosion, and repaint as needed. If a corrosion preventive chemical is
used, ensure that it does not become a part of the indoor air by creating
large amounts of volatile organic compounds or irritants. Check the
Material Safety Data Sheet (MSDS) to see what hazardous products are
present. If hazardous products are present rinse very well before the
system is returned to use. Ensure that the paint lead level is 0.06% or
less.
3. ___ Check condition of heating element. Clean steam coils.
4. ___ Clean steam/water spray nozzles. Adjust/replace as needed.
5. ___ Chemically clean exterior of coil to remove scale and encrustations.
6. ___ Inspect steam trap for proper operation.
7. ___ Inspect pneumatic controller for air leaks.
8. ___ Inspect water lines for leaks and corrosion. Tighten all connections and
repair leaks.
Tools & Materials.
1. Standard Tool Kit
Plus Refrigeration - gauges
Leak detector-electronic or halogen
Pocket thermometer
Clamp on meter (volt - ohm - amp meter)
Flaring tool
Tubing cutters
Packing kit and packing
Crescent wrenches to 14"
2. Psychrometer
3. Coil cleaning chemical. Consult the MSDS for hazardous ingredients and
proper personal protective equipment (PPE).
4. Work gloves
5. Safety goggles
6. Respirator
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