Swegon CASA Installation, Operation And Maintenance Manual Download Page 1 | Manualshive

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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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Summary of Contents for CASA

Page 1: ...nstallation 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 ...

Page 2: ...d the ducts are clean and that there are no loose objects in them before you commission the ventilation system Ensure that the heating medium pipe system is mounted and insulated and that the venting sleeves are mounted Do not commission the air heater cooler until all work that produces large quantities of sanding dust or other impurities has been completed Sizing the heating medium circuit Consi...

Page 3: ... space at the sides of the unit in the plans 3 2 Pipe connections for the heating medium The pipes for the air heater cooler s heating medium is connected to the unit s pipe connections Cu 22 mm for the outgoing solution and the return solution Remember the need to vent the heating medium pipes in connection with the pipe installation The air heater cooler s coarse filter must always be installed ...

Page 4: ...preheater External liquid coil 8 C Liquid heating out limit Liquid cooling out limit 15 C 2 C Commissioning of the air heater cooler Select operation of the unit by highlighting the menu item External after heater Limit value heating Select the required start temperature for external pre heating When the outdoor temperature transferred outside temperature measured before the air heater cooler drop...

Page 5: ...unction The unit s doors can be lifted from their hinges after their fastening catches have been opened The radiator in the unit can e g be cleaned by gently brushing the surface or gentle rinsing with water only at low pressure Any dirt that has accumulated on the bottom of the condensate tray can be wiped off using a cloth and mild detergent The function of the water trap and drainage pipes for ...

Page 6: ... Heat pump 6 Solenoid valve 7 Circulation water pump 8 Extract air 9 Power source 24 VDC 10 Operating switch for the circulation water pump ON OFF Not included in the delivery M M T 230V 24V 24VDC Smart Extension Temperature module Sensor T6 T7 T8 T9 Smart unit SET2 SET1 DI max 50 VDC NC NC NC 1 2 3 4 5 6 7 8 9 10 11 12 max 250 V 6 A Relay 1 4 3 2 1 max 250 V 6 A Relay 2 NC 4 3 2 1 AO3 AO2 AO1 NC ...

Page 7: ... 2 1 AO3 AO2 AO1 NC NC NC SET 1 1 230 V 7 9 6 3 Important If the SET module is used for 230 VAC control the module must be installed according to the electrical safety directives in a separate enclosure Make sure that the strain relief is arranged for the connections according to the electrical safety directives 1 CASA Smart ventilation unit 3 Outdoor air temperature sensor 6 Solenoid valve 7 Circ...

Page 8: ...e loss kPa 5 9 7 9 8 7 10 0 10 6 Pipe connection DN 25 25 25 25 25 Air heater cooler s performance data The unit s function for use as a preheater has been sized with 28 ethanol Air heater cooler s performance data Cooling Capacity kW 0 8 1 2 1 4 Air flow l s 40 100 150 INCOMING AIR Temperature C 25 25 25 Relative humidity 55 55 55 OUTGOING AIR Temperature C 13 17 18 Relative humidity 95 87 82 INC...

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