Haskris R Series User Manual

Copyright © 2020 Haskris REV102920
1
www.haskris.com
776 North Oaklawn Avenue, Elmhurst, Illinois 60126 USA ph: +1-847-956-6420 | fx: +1-847-956-6595 | email: service@haskris.com
Operation and Maintenance
Haskris LX-Series, R-Series, WW-Series, OPC-Series
Section 1: Temperature Control
• Your Haskris will have one of three different types of controller. Use table 1-1 to identify the relevant controller.
• The controller may appear different than examples. Contact Haskris if you are not sure what type you have.
• Adjust supply temperature while under heat load.
• Allow 15-30 minutes for the supply temperature to stabilize after an adjustment.
• Consult a dew point chart to select a supply uid temperature that will minimize condensation.
• If no heat load is applied, the unit may “over-cool”.
Electronic Temperature Controllers
ON/OFF
Cycling Control
Section 1.1
Parametric
Control
Section 1.2
Programmable
Logic Control
Section 1.3
Table 1-1

Haskris R Series Specifications

General

Brand	Haskris
Model	R Series
Category	Chiller
Language	English

Summary

Section 1: Temperature Control

ON/OFF Cycling Control

Explains the ON/OFF cycling control for temperature regulation.

Parametric Control

Explains parametric control for temperature regulation.

Programmable Logic Control

Explains programmable logic control for temperature regulation.

Section 2: Indicator Lights

ON/OFF or Power Indicator

Describes the green light indicating unit ON/OFF status.

Liquid Level Indicator

Details indicators for sufficient liquid level or low liquid level.

Liquid Temperature Fault Indicator

Indicates liquid temperature above or below alarm set points.

Refrigerant Pressure High or Building Water Fault

Covers high pressure safety switch and building water fault indicators.

Refrigerant Pressure Low

Explains low refrigerant pressure switch and troubleshooting.

Section 3: Strainers

Suction Strainer Maintenance

Details cleaning and replacement of nylon suction strainers.

Wye Strainer Maintenance

Describes brass wye strainers with removable screens.

Section 4: Filters

Supply Line Particle Filter

Explains the function and replacement of supply line particle filters.

Section 5: Drain Line

Drain Hose and Valve

Describes drain hose connection and plastic valve.

Section 6: Water Quality and Treatment – Indoor Units

Maintaining Water Quality

Guidance on inspecting and maintaining water quality in the tank.

Flushing the System

Procedure for flushing the system with hydrogen peroxide.

Additives for Water Quality

Recommendations for using sodium bicarbonate and propylene glycol.

Section 7: Water Quality and Treatment – Outdoor Units

Additives for Outdoor Units

Details on using glycol mixtures for outdoor operation to prevent freezing.

Maintaining Glycol Solution Quality

Guidance on changing and testing glycol solution quality.

Wye Strainer on Return Fluid Connection

Instructions for cleaning wye strainers on the return fluid connection.

Section 8: Bypass Pressure Relief Valve

Bypass Pressure Relief Valve Types

Describes types of relief valves and their factory preset function.

Valve Setting Procedure

Step-by-step guide for adjusting the bypass pressure setting.

Section 9: Refrigerant Sight Glass and Moisture Indicator

Sight Glass and Moisture Indicator Function

Explains how sight glass indicates refrigerant status and contamination.

Section 10: Cleaning an Air-Cooled Condenser

Air-Cooled Condenser Cleaning

Instructions for cleaning dust and debris from air-cooled condensers.

Section 11: Maintenance Checks

General Maintenance Checks

Overview of checks for water, strainers, filters, and condenser coils.

Maintenance Check Schedule

Recommended schedule for performing maintenance checks after installation.

Section 12: Support

Haskris Support Contact Information

Provides phone, email, and web contact details for technical support.

Product Serial Number Location

Guidance on locating the product serial number for support calls.