Nortec NHDI, NHSC manual

NHSC / NHDI

Resistive Element

Steam Humidifiers

Installation, Operation,

Maintenance, and

Troubleshooting Guide

IMPORTANT: Read and save these instructions. This

guide to be left with equipment owner.

Form #04-197-1 1505921

NHSC NHDI

Contents

Main Table Of Contents INSTALLATION 1 OPERATION 11 Page INSTALLATION RECEIVING & UNPACKING EQUIPMENT PRE-INSTALLATION CHECKPOINT BASIC HUMIDIFIER CONFIGURATION LOCATION & MOUNTING Page Page -5- NOTE:NHDI does not have the scale management system. Min 24 Figure #10 Typical Duct Application using Standard Distributor NHSC using a Short Absorption Manifold ( SAM-e ) in Duct/AHU PLUMBING ELECTRICAL -8- PRIMARY (LINE) VOLTAGE WIRING TO UNITVOLTAGE (BYOTHERS) (ACTUAL) Figure #14 Primary Voltage Supply Wiring Page Page OPERATION INTRODUCTION LAYOUT AND FUNCTION NHSC / NHDI OPERATION Page INTERROGATION OF THE OPERATING STATUS 4:120 Page MAINTENANCE Page Page Scale Collector Tank SCALE COLLECTOR TANK SERVICING HEATING ELEMENT REPLACEMENT INSTALLATION INSTRUCTIONS Page Page LEGEND A = Circuit 1 B= Circuit 2 (double unit 2nd cylinder) NHSC / NHDI SERIES CONTROL CIRCUIT TERMINAL BLOCK OPTIONALREMOTE ACCESSORY INSTALLATION INSTRUCTIONS 832 30 28 61 10 STATUS PC B K2 Er r o r K3 Se r vi c e Humidifier Mandatory Pre-Start-up Checklist (p.1 of 2) Humidifier Mandatory Start-up Checklist (p. 2 of 2) 1. PRELIMINARY: 2.START-UP PROCEDURE: 3. OPERATIONAL CHECK: Maintenance Checklist (p.1 of 2) Periodic maintenance, once per week: Minor servicing, when the yellow LED flashes and display indicates minor maintenance due: Major servicing, when the yellow LED flashes and display indicates major maintenance due: Cleaning recommendations for heating elements: Maintenance Checklist (p.2 of 2) How to reset the maintenance indication: Page Page Page -33- Plumbing Exploded View Page Page LIMITED WARRANTY