Munters SIAL GRY-D Series User Manual

1
Service
Training Course
Mobile Diesel Heaters
GRY-D / GRY-I
Rev. No. 3 January 24, 2011

Munters SIAL GRY-D Series Specifications

General

Airflow	1, 400 - 7, 000 m³/h (depending on model)
Ignition	Electronic
Fuel Type	Natural Gas or Propane
Voltage	230V/50Hz or 115V/60Hz (depending on model)
Dimensions (W x H x D)	Varies by model
Weight	Varies by model

Summary

Burner and Combustion Systems

Burner Assembly Components

Combustion Head Designs

Illustrates and details both current and old designs of the combustion head.

Nozzle and Nozzle Holder

Safety Controls

Flame Sensor and Thermostat

Details the flame sensor (photoresistor) and safety thermostat functions.

Air Pressure Switch

Covers the function and role of the air pressure switch in safety operations.

Operational Principles and Sequences

GRY-D Principle of Operation

Details the operational principle of the GRY-D model via diagram and legend.

GRY-I Principle of Operation

Details the operational principle of the GRY-I model via diagram and legend.

Ignition Sequence: GRY-D

Ignition Sequence: GRY-D & GRY-I

Wiring Diagrams

GRY-D Wiring Diagrams

GRY-I & GRY-D Wiring Diagrams

Service Procedures and Adjustments

Rotor-Stator Clearances

Specifies the required rotor-stator clearances for optimal compressor performance.

Stator-Rotor Positioning

Guidance on correctly aligning the stator relative to the rotor for assembly.

Air Pressure Adjustment

Procedure for adjusting air pressure using the pressure gauge and adjusting screw.

GRY-D Combustion Appearance