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Swegon CASA User Manual

Swegon CASA
8 pages
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Installation, operation and maintenance instructions
for design engineers, installation engineers and service personnel
SDHWM_c_EN–m
Swegon CASA
®
Air heater/cooler in
combination with ground source heat pump

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Swegon CASA Specifications

General IconGeneral
Voltage230V
Operating Temperature-20°C to +40°C
AirflowUp to 450 m³/h
Control SystemIntegrated
MountingWall
Frequency50 Hz

Summary

Important information

Personnel Qualification

Emphasizes that only qualified personnel should perform installation, configuration, and commissioning.

Installation Precautions

Advises on mounting orientation, placement relative to ventilation units, and avoiding airflow obstructions.

Commissioning Guidelines

Details requirements for clean ducts, insulated pipes, and completion of dust-generating work before commissioning.

Heating Medium Circuit Sizing

Highlights considerations for planning, including ground source heating well freezing and necessary protection.

1. General Description

2. Planning

3. Installation

3.1. Installation of the air heater/cooler in the duct system

Covers unit placement in the outdoor air duct, horizontal mounting, condensate outlet connection, and spacing.

3.2. Pipe connections for the heating medium

Details connecting heating medium pipes, venting, coarse filter installation, and ensuring no undue stress on connections.

3.3 Electric and control cables

Explains installing the SET connection unit, sensors, actuators, and connecting cables according to diagrams.

4. Commissioning

Heating Limit Value Setting

Describes setting the start temperature for external pre-heating based on outdoor temperature.

Cooling Limit Value Setting

Explains setting the start temperature for external pre-cooling based on outdoor temperature.

Sensor and Control Configuration

Covers selecting temperature sensors and fine-tuning measurements via the Sensor/Control menu.

5. Use and function

6. Service

7. Function diagram and connections

Air heater/cooler's performance data

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