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: ___/___/___
______________________________________________________________________________________________
WWATER 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?) 3ftmin r_______________
- Top (steam lines) 1ft min r____________________
- Bottom (fill, drain, controls) 1ft min r____________________
- Right (main pwr) 3ft min r____________________
- Left (main pwr) 2” minr____________________
- 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 rno 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 rno 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