Related Manuals for Cetetherm Midi Compact TA DHWC
Summary of Contents for Cetetherm Midi Compact TA DHWC
- Page 1 Installation, service and operating instruction Cetetherm Midi Compact TA DHWC Heating and domestic hot water substation for apartment houses (10-50 apts.) DOC1314 Rev: 2020-06-01...
- Page 2 QR-code: This manual is published by Cetetherm. Cetetherm can without further notice make changes and improvements to the content in this manual if it is necessary due to printing mistakes, wrong information or changes in the hardware or software. All these types of changes will be included in future release of the manual.
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Page 3: Table Of Contents
Cetetherm Midi Compact TA Installation, service and operating instruction Contents General ..........................3 Comfort ..............................3 Installation ..............................3 Long-term security .............................3 CE-marking ..............................3 Information about the document ........................3 General warnings ............................4 Operating instructions ......................5 Operation ..............................5 Safety equipment/inspection ........................5 Product overview ........................6 Midi Compact TA ............................6... - Page 4 Cetetherm Midi Compact TA Installation, service and operating instruction Change the actuator ..........................27 Change the heating or hot water valve ....................28 Change the expansion vessel ........................ 28 Options ..........................29 10.1 Actuator ..............................29 10.2 4-point HB metering ..........................29 Operation data and capacity ....................
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Page 5: General
Cetetherm Midi Compact is a complete, ready-to-install heating network substation for heating and hot water. It is designed for buildings with a primary connection to a heating network. Cetetherm has years of experience in heating network technology and has developed Midi Compact with well-planned pipe work and with all components easily accessible for inspection and possible future servicing. -
Page 6: General Warnings
Cetetherm Midi Compact TA Installation, service and operating instruction General warnings The installation work must be carried out by an authorized installation contractor. Before the system is taken into operation, it must be pressure tested in accordance with relevant regulations. -
Page 7: Operating Instructions
Cetetherm Midi Compact TA Installation, service and operating instruction 2 Operating instructions Operation The temperature and pressure of the incoming heating network water from the culvert network are very high. For this reason, only the heat from this water is used. The heating network water does not enter the heating and hot water systems of the building. -
Page 8: Product Overview
Cetetherm Midi Compact TA Installation, service and operating instruction 3 Product overview Midi Compact TA Picture 1 Heat exchanger heat Hose Heat exchanger DHW Draining valve, heat supply Control valve, heating Shut off valve, heat supply Actuator, heating Pump, heating... -
Page 9: Product Overview Midi Compact Ta With Vertical Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Product overview Midi Compact TA with vertical metering Picture 2 Heat exchanger heat Shut off valve, heat supply Heat exchanger DHW Pump, heating Control valve, heating Safety valve, heating Actuator, heating... -
Page 10: Product Overview Midi Compact Ta With Horizontal Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Product overview Midi Compact TA with horizontal metering Picture 3 Heat exchanger heat Pump, heating Heat exchanger DHW Safety valve, heating Control valve, heating Shut off valve, heat return Actuator, heating... -
Page 11: Installation
Cetetherm Midi Compact TA Installation, service and operating instruction 4 Installation Unpacking Remove the transport packaging and check that the product has not been damaged in transit and that • the consignment agrees with the specifications. When lifting the unit, take care not to apply stress to pipes and heat exchangers as this may weaken •... -
Page 12: Adjustments And Settings For Start Up
Cetetherm Midi Compact TA Installation, service and operating instruction • Retighten all connections, including those made at the factory. If connections need retightening after the installation has been taken into service, the system should be depressurised before retightening. If the system is not depressurised before retightening, gaskets will be damaged. -
Page 13: Measure Sketch Midi Compact
Cetetherm Midi Compact TA Installation, service and operating instruction Measure sketch Midi Compact Picture 5... -
Page 14: Measure Sketch Midi Compact With Vertical Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Measure sketch Midi Compact with vertical metering Picture 6... -
Page 15: Measure Sketch Midi Compact With Horizontal Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Measure sketch Midi Compact with horizontal metering Picture 7... -
Page 16: Schematic Diagram, Main Components
Cetetherm Midi Compact TA Installation, service and operating instruction 5 Schematic diagram, main components Midi Compact Picture 8... -
Page 17: Midi Compact With Vertical Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Midi Compact with vertical metering Picture 9... -
Page 18: Midi Compact With Horizontal Metering
Cetetherm Midi Compact TA Installation, service and operating instruction Midi Compact with horizontal metering Picture 10... -
Page 19: Pump Settings And Pump Capacity
Cetetherm Midi Compact TA Installation, service and operating instruction 6 Pump settings and pump capacity General Mini Compact is equipped with two circulation pumps, one for the hot water circulation, DHWC-pump, and one for the heating circuit. The DHWC pump is a traditional three speed circulation pump. The DHWC pump has a switch where the speed/capacity can be set. -
Page 20: Heating Circuit Pump Grundfos Magna3 25-100, Settings And Capacity
Cetetherm Midi Compact TA Installation, service and operating instruction Heating circuit pump Grundfos Magna3 25–100, settings and capacity The pumps have been factory-set to AUTOADAPT without automatic night setback. AUTO (factory set) ADAPT • Recommend control mode for most heating systems. -
Page 21: Service Instructions
Cetetherm Midi Compact TA Installation, service and operating instruction 7 Service instructions To avoid the risk of scalding, make sure that no-one draws any water while servicing the substation. Grey marked service actions must be carried out by an authorized service technician. -
Page 22: Noise In The Dhwc System
Cetetherm Midi Compact TA Installation, service and operating instruction 7.1.4 Noise in the DHWC system Reason Action Reduce the pump capacity The pump capacity is set too high Reduce the level by choosing a lower output setting on the pump. -
Page 23: Heating Temperature Unstable
Cetetherm Midi Compact TA Installation, service and operating instruction 7.2.4 Heating temperature unstable Reason Action Check available differential pressure and temperature at the Alternating pressure on primary side district heating medium supply The temperature can be checked by means of the energy meter, minimum 65ºC, or at the district heating medium supply. -
Page 24: Service Actions For The Installer
Cetetherm Midi Compact TA Installation, service and operating instruction 8 Service actions for the installer Check the function of the hot water valve and actuator Service actions must be carried out by an authorized service technician. Close the shutoff valves for the DH supply and DH return together with the cold and hot water. -
Page 25: Check The Function Of The Heating Actuator And Valve
Cetetherm Midi Compact TA Installation, service and operating instruction Check the function of the heating actuator and valve Service actions must be carried out by an authorized service technician. 1. Disconnect the power supply to the substation. 2. Lower the manual operation handle to stop the motor. It is easier to lower the manual operation handle if you twist it a little forward and backwards when it is lowered a little. -
Page 26: Check Dhwc Pump
Cetetherm Midi Compact TA Installation, service and operating instruction Check DHWC pump If the pump fails to start after stopping, try to start it at the highest setting. Service actions must be carried out by an authorized service technician. Disconnect the power supply to the pump by pulling off the connecter before carrying out this service. -
Page 27: Maintenance And Repairs
Cetetherm Midi Compact TA Installation, service and operating instruction 9 Maintenance and repairs When carrying out repairs, please contact your local service partner. Before starting out repairs always close the correct shutoff valves. When dismounting a component there will be water coming out, hot and under pressure. -
Page 28: Clean The Heating Circuit Strainer
Cetetherm Midi Compact TA Installation, service and operating instruction Clean the heating circuit strainer Service actions must be carried out by an authorized service technician. Before starting out repairs, close the shutoff valves DH supply, DH return, heating supply and heating return. -
Page 29: Change The Complete Heating Pump Or Pump Components
Cetetherm Midi Compact TA Installation, service and operating instruction 7. Connect the power supply to the substation. 8. Open the shutoff valves DH Supply and then DH return. Change the complete heating pump or pump components Maintenance and repairs must be carried out by an authorized service technician. -
Page 30: Change The Heating Or Hot Water Valve
Cetetherm Midi Compact TA Installation, service and operating instruction Picture 22 Mount a new actuator on the valve, slide the actuator onto the valve neck, thus making the square nut on the valve spindle fit into the groove on the cross bar. Then slide the brace into the groove on the valve neck and secure the nuts Remove the actuator lid an attach the wirings. -
Page 31: Options
Cetetherm Midi Compact TA Installation, service and operating instruction 10 Options 10.1 Actuator With supply temperatures above 100°, it is recommended that the actuator is tilted or closed down. Picture 25 10.2 4-point HB metering Measure before and after filter, together with before and after pump. -
Page 32: Operation Data And Capacity
Cetetherm Midi Compact TA Installation, service and operating instruction 11 Operation data and capacity 11.1 Operation data Midi Compact 80 Primary side Heating Design pressure PS 16 Bar 6 bar 10 Bar Design temperature TS 120°C 100°C 100°C Relief pressure safety-valve... -
Page 33: Operation Data Midi Compact 100
Cetetherm Midi Compact TA Installation, service and operating instruction 11.2 Operation data Midi Compact 100 Primary side Heating Design pressure PS 16 Bar 6 bar 10 Bar Design temperature TS 120°C 100°C 100°C Relief pressure safety-valve 3 Bar 9 Bar... -
Page 34: Operation Data Midi Compact 160
Cetetherm Midi Compact TA Installation, service and operating instruction 11.3 Operation data Midi Compact 160 Primary side Heating Design pressure PS 16 Bar 16 bar 10 Bar Design temperature TS 120°C 100°C 100°C Relief pressure safety-valve 3 Bar 9 Bar... -
Page 35: Operation Data Midi Compact 200
Cetetherm Midi Compact TA Installation, service and operating instruction 11.4 Operation data Midi Compact 200 Primary side Heating Design pressure PS 16 Bar 6 bar 10 Bar Design temperature TS 120°C 100°C 100°C Relief pressure safety-valve 3 Bar 9 Bar... - Page 36 Cetetherm AB Fridhemsvägen 15 372 38 Ronneby – Sweden www.cetetherm.com...