Nortec NHDI - Manual (Page 29)

Humidifier Mandatory Pre-Start-up Checklist (p.1 of 2)
Unit Serial #: _ _ _ _ _ _ _ _ # of humidifiers: _____ Tag:_____________
Unit type: NHSC / NHDI Voltage: _____V/___ph Steam output: ____lbs./hr
Customer/Job:_______________ Address: __________________________________________________
Inspected by: _____________ Date of inspection: ___/___/___
______________________________________________________________________________________________
W WATER QUALITY:
- Well water
r
-City water
r
-Softened water
r
- Conductivity: _______mhmos - Hardness: _____gr. –Silica____ppm
HUMIDIFIER MOUNTING:
Clearances around the unit Acceptable Obstruction
- Front (door opens freely?) 3ft min
r
_______________
- Top (steam lines) 1ft min
r
____________________
- Bottom (fill, drain, controls) 1ft min
r
____________________
- Right (main pwr) 3ft min
r
____________________
- Left (main pwr) 2” min
r
____________________
- Ensure the scale tank bracket is locked in place
r
STEAM LINES: CONDENSATE LINES:
- Slope up 2” per 12”
r
- Slopped back to drain
r
- Slope down ½” per 12”
r
- Trapped 2” more than static duct pressure
r
- Traps
r
- Size _______
- Insulated
r
- Length/Size ____________
- 90 deg. elbows qty: ____ - 45 deg. Elbows qty: ____
- Can condensate be trapped anywhere in the steam line? Yes
r
no
r
WATER LINES:
-½” at max 4ft from the unit - 3/8” connection at fill
-water pressure: 30-80psig
DRAIN LINES:
-Air gap located within 3ft of the unit
r
- Slopped to drain
r
-Size:________
WIRING:
No loose wires around the unit or on the PC board? Yes
r
no
r
CONTROLS:
Installed Location / Wiring /Setting
- High limit:
r
_____________________
- Air proving:
r
_____________________
- Mod controller:
r
_____________________
- Other:
r
_____________________
POWER
- Voltage, amperage rating and fuse corresponds to Spec Label
r
- Disconnect switch located close to humidifier
r
Field contact:___________________________ Signature:_______________________________
NHSC / NHDI Electric Steam Humidifier