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Service Manual
DRYAIR Manufacturing Corp.
DRYAIR Manufacturing Corp.
400 Service Road,
P.O Box 264
St. Brieux, SK, Canada, SOK 3V0
Bradner, Ohio 43406
Tel: 306-275-4848 1-888-750-1700
Cell: 419-467-9902 1-888-750-1700
Fax: 306-275-4664
service@dryair.ca
dryair@dryair.ca
croth@dryair.us
PN# 003-702872
Apr-2016
Version 1.0

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Summarization of Contents

Warranty Policies and Claim Procedures
Warranty Policies Overview
Overview of DRYAIR's warranty terms and conditions for its equipment.
Extended Warranty Policy Details
Details on heat exchanger extended warranty coverage, including prorated terms.
Warranty Policy Exceptions
Lists items and conditions not covered by the DRYAIR warranty policy.
Owner Obligations Under Warranty
Outlines the responsibilities of the equipment owner under the warranty.
Manufacturer Obligations
Describes the responsibilities of DRYAIR under the warranty policy.
Safety Concerns
General Safety Guidelines
Essential safety instructions for operating the equipment safely.
Water Heater Module Safety
Specific cautions and recommendations for the water heater component.
Trailer Safety Precautions
Safety guidelines for operating and towing Dryair trailers.
Heat Transfer Fluid Requirements
Critical information regarding the type of heat transfer fluid to use (Propylene Glycol only).
MSDS Information Reference
Guidance on where to find Material Safety Data Sheet information for glycol.
Generic Information and Procedures
Recommended Maximum Hose Lengths
Specifications for maximum hose lengths in various system configurations.
Formulas for Calculations
Provides formulas for hose length calculation and glycol weight.
Fuel Consumption Rates
Details on the fuel consumption rates for various DRYAIR models.
Heat Transfer Fluid (HTF) Information
Information on the recommended HTF mixture and brands.
Heat Transfer Fluid Maintenance
Guidelines for checking and maintaining the heat transfer fluid.
Concentration Testing Procedure
Procedures for testing heat transfer fluid concentration using a refractometer.
Solution pH Testing Method
Methods for testing the pH level of the heat transfer fluid.
System Flushing Instructions
Instructions for flushing the system, especially after fluid replacement.
Propylene Glycol Mixing Ratios
Table showing propylene glycol mixing ratios and freezing points.
Adjusting Solution Concentration
Formula and procedure for adjusting the glycol concentration in the system.
Heat Exchanger (CME) Volumes
Table listing the volumes of heat exchangers for different models.
Portable Heat Exchanger Volumes
Table detailing the volumes of portable heat exchangers.
DRYAIR Components and Procedures
Heat Exchangers and Elevation
Discusses heat exchangers, including elevation concerns and setup.
Component Reconditioning Procedures
Steps for reconditioning various DRYAIR components and trailered units.
Water Heater Heat Exchanger Cleaning
Detailed steps for cleaning the heat exchanger of water heaters.
Service Tips for Gas Burners
Practical advice and checks for gas burners during pre-season service.
Riello F40 Trouble Shooting Chart
A troubleshooting guide for Riello F40 burners.
Hose Reel Reconditioning
Reconditioning procedures for HR6000, HR3000, and HRA hose reels.
Plate Heat Exchanger Reconditioning
Reconditioning steps for plate heat exchangers.
Mixing/Booster Reconditioning
Reconditioning procedures for mixing/booster units.
Manifold Reconditioning
Reconditioning procedures for manifolds, including checks and fluid testing.
Plumbing Components
Y-Strainer Description and Maintenance
Description and maintenance of the Y-strainer.
Safety Relief Valve Function
Information on the safety relief valve and its function.
Pressure Bypass Valve Adjustment
Function and adjustment of the pressure bypass valve.
Drain Valve Usage for Service
Procedure for using the drain valve for system service.
Cold Start Fluid Pre-Heater Operation
Operation of the pre-heater to prevent cold start issues.
Thermostatic Control Valve
Function and caution regarding thermostatic control valves.
Automatic Air Bleed Vent Function
Purpose and function of the automatic air bleed vent.
Flow Reverser Valve Explanation
Explanation of flow reverser valves for even thawing/curing.
Electrical Components
Flow Reverser Wiring Checks
Checks and wiring for the flow reverser actuator.
Aquastat Controls (A421/A419)
Details on A421 Series Electronic Temperature Control and A419.
Flow Switch Operation
Operation of the flow switch to prevent insufficient fluid flow.
Manual High Limit Control
Manual reset high limit control operation and checks.
Ignition Module Function
Function of the ignition module for sparking and powering valves.
Pump Information and Voltage
Information on pumps and their voltage requirements.
Adjustable Frequency Drive
Function of the frequency drive for motor speed and direction.
Optional Equipment
Generator Information
Information on offered generators (Multiquip and Kubota).
Appendix: Electrical Schematics
Model GTS 2100-0300 Schematic
Electrical schematic for the GTS 2100-0300 model.
Model 200 GTS Schematic
Electrical schematic for the 200 GTS model.
Model CHU 2100-0900 Schematic
Electrical schematic for CHU 2100-0900 (stand alone).
Model HE200 Fan Coil Schematic
Electrical schematic for the HE200 Fan Coil.
Model Hose Reel HR2250 Schematic
Electrical schematic for the Hose Reel HR2250.
Model Mixing Booster Schematic
Electrical schematic for the Mixing Booster.
Weights and Dimensions
Model Weights and Dimensions Table
Table detailing weights and dimensions for various DRYAIR models.
Material Safety Data Sheet
Material Safety Data Sheets Reference
Information regarding Material Safety Data Sheets.

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