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Mhtc/b pre-start up checklist – Nortec MH Series User Manual

Page 46

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43 | Start Up

MHTC/B Pre-Start Up Checklist

Unit Serial #: _________________ Tag: _______________
Model: MHTC Reflow  MHTC Flow  MHB 
Customer/Job:

Address:

Water Quality:

 Potable  RO  DI 
Air Conditions

 Air Filters (MERV 8, 11 or better) 

Uniform air flow 

 Air Velocity

Duct static pressure

 Air temperature before duct unit

Duct Unit Mounting:

 20 in.+ (50 cm)+ from heaters 

 Access door for media removal 

Space for media removal 

 Drain pan edges Level 

Side panels fastened to walls 

 Sealed between duct wall and unit 

 Water tight section min. 3 ft. past duct module  Corrosion resistant if DI water used 
 Drain downstream from duct module 

 Mist Eliminator if > 750 fpm (3.8 m/s)

(yes/no)

MHTC Reflow Hydraulic Unit Mounting:

 Level  Front/Top Clearance 

Reservoir below drain pan 

Water / Drain Line:

 Water line size (min. 1/2 in.)

Water pressure: 30-80 psig 

 Drain Ø (min. 1 1/4 in. (32 mm) ID

Drain lines sloped 

MHTC Reflow Plumbing

 P Trap 6 in. (15 cm) or duct static pressure +2 in. on overflow  Hydraulic unit drain 

 Spray bar lines connected to correct staging valves  No low points 
 Pressure equalization hose connected  No dips/sags in press. equalization hose 

 All hose connections clamped 
MHTC Flow / MHB Plumbing

 P Trap 6 in. (21 cm) or duct static pressure +8 in. on Pan Drain 
 Overflow capped 

 Spray bar lines connected to correct staging valves  No low points 
 All hose connections clamped 
Wiring:

 MHTC Flow and Reflow wiring between control box and hydraulic unit to correct terminals 
 Wiring connections and connectors secured 

Controls:

 Control Location

Control to Terminal 4 

 Air proving switch 

On/Off controls to Terminal 2 

Power:

 Voltage, amp, fuse per Spec Label: 

 Disconnect switch located close to MH 

Inspected by:

Date of inspection: ______/_______/______

Company: