Ingersoll-Rand D255NC User Manual

NIRVANA CYCLING REFRIGERATED DRYER
75 THROUGH 150 SCFM
OPERATORS MANUAL
D127NC
D170NC
D212NC
D255NC
C.C.N. : 80443948
DATE : JULY 2007
REV. : B
Ensure that the operator reads and understands the
decals and consults the manuals before maintenance
or operation.
Ensure that the Operation and Maintenance manual is
not removed permanently from the machine.
Ensure that maintenance personnel are adequately
trained, competent and have read the Maintenance
Manuals.
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Ingersoll-Rand D255NC Specifications

General

Brand	Ingersoll-Rand
Model	D255NC
Category	Dryer
Language	English

Summary

Receiving and Initial Inspection Procedures

General Safety and Operation Precautions

Principles of Operation for Nirvana Cycling Dryers

Installation and Initial Start-Up Procedures

Guidelines for Dryer Location and Mounting

Location requirements for ambient temp, clearance, and level surface.

Instructions for Piping and Valve Installation

Install piping, fittings, and accessory items as per Figure 3. Use bypass and isolating valves.

Importance and Types of Air Filtration

Recommends prefilter for performance. Mentions oil/water separators for EPA compliance.

Procedure for Electrical Connections

Details power requirements and connections for different voltage configurations.

Steps for Initial Dryer Start-Up

Steps for initial start-up, including power on, high temp light behavior, and pressure readings.

Scheduled Maintenance for Nirvana Cycling Dryers

Maintenance of the Refrigerant Condenser

Maintenance of the Condensate Discharge System

Troubleshooting Guide for Dryer Malfunctions

Introduction to Troubleshooting Procedures

Guide for problem identification and corrective actions for dryer malfunctions.

Problem Identification and Action Guide

Table listing common problems, symptoms, possible causes, and corrective actions.

Wiring Diagrams for Dryer Configurations

Wiring Diagram for 115/1/60 Dryer Models

Electrical schematic for 115V/1-phase/60Hz dryer configurations.

Wiring Diagram for 115/1/60 NEMA-4 Dryer Models

Wiring Diagram for 230/1/60 & 220/1/50 Dryer Models

Wiring Diagram for 230/1/60 & 220/1/50 NEMA-4 Dryer Models

Compressor Connection Wiring Diagrams

Replacement Parts List

Engineering Specifications Summary