Gullberg & Jansson Q20

Need help?

Do you have a question about the Gullberg & Jansson Q20 and is the answer not in the manual?

Summary

General information

Product description

Details the Q12/Q15/Q20/Q30/Q30-3P models, their design, and features.

Functional principle

Explains how the heat pumps operate, including flow switch, bypass, and efficiency factors.

Installation

Advice on placement, firm base, noise consideration, and drainage.

Maintenance procedures

Explains winter draining, cleaning the unit, and surface care.

Service and support

Checklist installation

Safety regulations

Highlights crucial safety instructions for handling, installation, and operation, especially electrical.

Installation

Positioning the unit

Pipe connection

Bypass coupling

Electrical installation

Describes electrical connection, safety switch, grounding, and phase sequence.

Starting up the unit

Provides a step-by-step procedure for the initial startup of the pool heat pump.

Maintenance, service and fault tracing

Winter drainage

Emphasizes the importance of winter draining to prevent frost damage and warranty issues.

Maintenance

Fault tracing

Directs users to contact dealers and the website for troubleshooting.

Fault tracing chart

A chart detailing operating disturbances, their causes, and suggested actions.

Error code table

Lists error messages, their causes, and recommended actions for troubleshooting.