Nortec MH Series - Manual (Page 67)

Maintenance and Servicing | 64
Table 4: MHTC/MHB Maintenance Schedule
Item
30 Days
After
Start-up
When
Service
Light is
Lit
End of
Season What to Do
Media boxes
and mist
eliminator

 
1. Remove mist eliminator and media boxes.
2. Clean media box frames with combined detergent /
disinfectant.
3. If media is heavily soiled then replace media boxes.
Note: if media boxes indicate strong dust deposit, check
that the air system’s filter meets MERV 11 of ASHRAE
52.2 standard).
Water tank

 
1. Check for soiling (dust, slime, mineral deposit, etc.)
2. Clean with a combined detergent and disinfectant.
Note: the actual hygiene status indicates whether the
maintenance interval time must be adjusted
Frame
structure
  
1. Check screw connections of the frame structure,
tighten loose screw connections.
2. Clean frame structure with a combined detergent
and disinfectant.
Duct section
downstream
of the
humidifier
  
1. Check for collection of residual water. If present:
check air velocity through media boxes (without
mist eliminator max. 750 fpm (3.8 m/s).
2. Mount mist eliminator if necessary.
3. Clean duct with a combined detergent and
disinfectant.
Hydraulic
unit
 
1. Check connections and components for sealing and
correct fastening.
2. Seal/replace leaky /defective components, and
fasten loose components.
Water
installation
 
1. Check hoses for cracks and correct fastening.
2. Replace defective hoses.
3. Check water supply line for sealing and seal if
necessary.
4. Dismantle water filter (if present) and clean it.
Spray bar
cap

 
1. Tip up spray bar cap and check the holes in the
water distribution pipes for mineral deposit.
2. If necessary, dismantle and remove mineral
deposit.
3. Clean spray bar cap and water distribution pipes
with a combined detergent and disinfectant.
Drain line
with siphon

1. Check and clear if necessary.
Uv water
treatment
 
1. Dismantle UV lamp and carefully clean glass tube
and uv lamp.
2. After max. 8000 operating hours replace lamp.
Electric
installation

1. Check all cables and components for correct
fastening, correct function and defects.
2. Have defective components replaced or loose
components fastened by a qualified specialist.