Grieve NT-1000 Instructions Manual

Grieve NT-1000 Instructions Manual

Bench ovens

Advertisement

MODEL
NB-350
DR-350
NB-550
NT-800
NTR-800
NT-1000
NTR-1000
INSTRUCTIONS
BENCH OVENS
MAXIMUM
OPERATING TEMPERATURE
350 F
350 F
550 F
800 F
800 F
1000 F
1000 F

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NT-1000 and is the answer not in the manual?

Questions and answers

Summarization of Contents

Shipping Damage and Handling
Visible Loss or Damage Identification
Procedures for reporting visible damage upon delivery and filing a claim with the carrier for loss or damage.
Concealed Loss or Damage Reporting
Procedures for reporting concealed damage discovered after unpacking and filing a claim with the carrier.
Returning Damaged Equipment Guidelines
Guidelines for returning damaged equipment, requiring prior advice and a freight claim copy before shipment.
Equipment Handling and Storage
Instructions on storing and handling equipment carefully in original crates until installation to prevent damage.
Proper Oven Application
General Application and Consultation
Discusses oven versatility, importance of specific application, and consulting factory for any doubts on proper use.
Flammable Solvents Usage Warning
Warns against using ovens for flammable solvents and outlines user responsibility for safe operation.
Combustible Material Handling Safety
Advises avoiding combustible materials, using drip pans, and considering fire protection systems for safe processing.
Personnel Hazards and Safety Precautions
Details safety precautions related to heat, voltage, and guards, emphasizing trained personnel for oven operation.
Scheduled Maintenance and Inspection
Emphasizes user responsibility for scheduled inspection and maintenance of safety devices and oven components.
Code Compliance and Retroactivity
States equipment complies with codes at manufacture date; user must update for future code changes.
Installation Procedures
Oven Location Requirements
Specifies placement to avoid hazards, minimize exposure, and maintain fire safety distances from materials.
Building Considerations for Installation
Discusses site selection based on fire risk, building integrity, and structural load capacity for safe oven placement.
Installation Clearances and Space
Outlines necessary space for inspection, maintenance, and potential automatic sprinkler system installation.
Clearances and Door Operation Rules
Details air space requirements, material storage prohibition, and door latch functionality for safe operation.
Ventilation and Airflow Management
Covers room ventilation, air inlet/outlet restrictions, exhaust stack installation, and relevant NFPA standards.
Exhaust Ductwork Installation Guidelines
Specifies requirements for ductwork passing through walls, floors, or roofs to prevent exceeding temperature limits.
Ductwork Maintenance and Safety Standards
Addresses clean-out doors, material accumulation, building integration, and clearance for combustible materials.
Optional Dial Thermometer Installation
Provides instructions for installing an optional dial thermometer in specific oven models.
Electrical Connection and Grounding Standards
Guides on making connections according to codes, sizing supply, safety shut-off, and proper grounding.
Prior to Placing Oven in Service
Pre-Service Checks and Initial Heating
Covers reading manual, replacing guards, checking voltage/current, tightening terminals, and initial heating procedures.
Initial Heating and Off-Gassing Process
Explains the smoke and odors produced during initial heating from insulation and components.
Operator Training and Safety Awareness
Emphasizes training personnel on operation, safety, and dangers of defeating safety devices.
Processing Operations
Unattended Operation and Overheating Risks
Warns against unattended operation due to overheating risk and recommends safety measures.
Sensor Care and Load Spacing for Airflow
Advises care with sensors and ensuring proper air circulation by spacing parts on shelves.
Oven Operation and Emergency Shutdown
Details turning the oven on/off, setting temperature, and emergency shutdown procedures.
Safety Equipment and Precautions
General Safety Principles and Operator Diligence
Highlights human error as a cause of incidents and the importance of trained operators and equipment integrity.
Safety Device Usage and Integrity
States safety devices shouldn't substitute disconnects, must be maintained, and not bypassed.
Excess Temperature Limit Interlock Function
Explains manual reset interlocks (adjustable/non-adjustable) and their function in preventing runaway conditions.
Maintenance Procedures
Preventative Maintenance Program Development
Recommends developing a program based on insurance and NFPA specs, and keeping reports.
Safety Protocols During Maintenance
Emphasizes disconnecting power, following lockout procedures, and not operating with guards removed.
Recommended Maintenance Checks
Lists key areas like application checks, electrical connections, and relay inspection for regular maintenance.
Oven Body and Ductwork Cleaning
Covers cleaning the oven interior, avoiding ignition sources, and keeping ducts clean to prevent fires.
Lubrication and Door/Gasket Integrity
Details motor lubrication intervals and inspecting doors, gaskets, and latches for proper function and sealing.
Fan and Contactor Operational Checks
Covers tightening fan set screws, cleaning fan wheels, and checking contactor operation.
Temperature Control System Calibration
Details calibrating temperature controllers and testing excess temperature limit interlocks.
Location-Based Safety Checks
Advises checking the oven area for hazardous conditions and inspecting fire safety equipment.
Troubleshooting Oven Issues
Diagnosing No Heat Conditions
Addresses causes like tripped interlocks, faulty switches, blown fuses, or burnt-out heating elements.
Troubleshooting Reduced Oven Temperature
Covers issues like excessive exhaust, door leakage, fan failure, or controller problems.
Sensor and Voltage Input Issues
Details diagnosing defective thermocouples and problems caused by improper line voltage.
Referenced Standards and Resources
Factory Mutual Engineering Corporation Information
Provides contact information for Factory Mutual Engineering Corporation for additional technical information.
National Fire Protection Association Standards
Lists key NFPA standards relevant to oven safety, installation, and fire protection systems.
Periodic Bench Oven Inspection Report
Pre-Power Application Checks
Lists essential checks before applying power, including process changes, solvents, electrical connections, and general cleanliness.
Component and System Inspection Checklist
Details inspections of drip pans, temperature sensors, heating elements, doors, ductwork, motors, and fans.
Post-Power Application Checks
Covers supply voltage verification, contactor operation, and temperature controller calibration checks.
Temperature Control System Verification Steps
Details setting temperatures to test interlocks and confirming thermocouple break protection.
Location Safety and Training Review
Includes checking the area for hazards, fire suppression systems, and reviewing operator training.
Replacement Parts List
Parts for NB-350 Model
Lists item numbers for replacement parts specific to the NB-350 model, including heating elements and doors.
Parts for NB-550 Model
Lists item numbers for replacement parts specific to the NB-550 model, including heating elements and gaskets.
Parts for DR-350 Model
Lists item numbers for replacement parts specific to the DR-350 model, including drawer and heating elements.
Common Parts for NB and DR Models
Lists item numbers for shared parts like blower wheels, motors, and switches for NB and DR models.
Parts for NT/NTR-800 Model
Lists item numbers for replacement parts specific to the NT/NTR-800 model, focusing on doors.
Parts for NT/NTR-1000 Model
Lists item numbers for replacement parts specific to the NT/NTR-1000 model, focusing on doors.
Parts for NTR Model Only
Lists item numbers for parts specific to the NTR model, such as blower wheels and motors.
Common Parts for NT/NTR Models
Lists item numbers for shared parts like heating elements, power cords, and switches for NT/NTR models.
Warranty and Limitations of Remedies
Warranty Coverage and Exclusions Detail
Details the one-year warranty, exclusions, and remedies for defective equipment or parts.
Warranty Service Procedures
Outlines how to obtain warranty service and states limitations on liability for damages.
Oven Inspection Record Form
Provides a form for recording oven model, power supply, assembly, packing, inspection details, and serial number.

Table of Contents

Save PDF