Nortec MH Series - Manual (Page 45)

MH Series | 41
Maintenance Work
Table 1: Maintenance List
Component Work to be carried out
Humidification boxes
and mist eliminator
boxes.
Dismantle and check the humidification boxes (and mist eliminator boxes).
Clean the frame of the boxes with a combined detergent and disinfectant.
If the humidifier fleece is heavily soiled, the humidification boxes have to be replaced.
Note: if the humidification boxes indicate strong dust deposit, the air filter of the
ventilation system is to be controlled (filter quality at least merv 11 according to
ashrae 52.2 standard).
Water tank
Check water tank for soiling (dust, slime, mineral deposit, etc.) And clean with a
combined detergent and disinfectant.
Note: the actual hygiene status indicates whether the maintenance interval time must
be adjusted
Frame structure
Check screw connections of the frame structure, tighten loose screw connections.
Clean frame structure with a combined detergent and disinfectant.
Duct section
downstream of the
humidifier
Check the duct section behind the humidifier (downstream) for collection of residual
water. If residual water is present: check air velocity above the humidification boxes
(without mist eliminator max. 690 fpm (3.5 m/s), with mist eliminator max. 885 fpm
(4.5 m/s), respectively). Mount mist eliminator if necessary. Clean duct with a
combined detergent and disinfectant.
Hydraulic unit
Check connections and components for sealing and correct fastening. Seal/replace
leaky components, replace defective components, and fasten loose components.
Carefully clean the components of the hydraulic unit with a combined detergent and
disinfectant.
Water installation
Check the water hoses of the humidifier for cracks and correct fastening. Replace
defective hoses. Carefully clean the hoses with a combined detergent and disinfectant.
Check water supply line for sealing and seal if necessary. Dismantle water filter (if
present) and clean it.
Spray bar cap Dismantle the spray bar cap and check the holes in the water distribution pipes for
mineral deposit. If necessary, dismantle the water distribution pipes and remove the
mineral deposit. Clean spray bar cap and water distribution pipes with a combined
detergent and disinfectant.
Drain line with siphon
Check and clean with a combined detergent and disinfectant, if necessary.
Uv water treatment
(option)
Dismantle the uv lamp. Carefully clean glass tube and uv lamp. After max. Of 8000
operating hours the uv lamp must be replaced.
Electric installation
Check all cables and components for correct fastening, correct function and defects.
Have defective components replaced or loose components fastened by a qualified
specialist.