Related Manuals for Cetetherm Mini UK
Summary of Contents for Cetetherm Mini UK
- Page 1 Installation, service and operating instruction Cetetherm Mini UK Heating & domestic hot water HIU for apartments and single family houses DOC1586, 10-03-2021...
- 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.
-
Page 3: Table Of Contents
Filling up the tap water circuit ......................10 Filling up and bleeding the heating circuit ....................10 Connect to heating network ....................... 10 Commissioning advice Mini UK ....................... 11 Connect the pump ..........................11 Adjust the hot water temperature ....................... 11 Set the heating temperature ....................... - Page 4 Cetetherm Mini UK Installation, service and operating instruction Change the heating actuator ........................26 Change the heating valve ........................27 Change the expansion vessel ......................... 27 Operating data and performance ..................28 Technical Data ............................28 Measure sketch ............................29 Options ..........................
-
Page 5: General Information
Compact dimensions, light weight, well arranged plumbing – all make installation very simple. Mini UK is designed for hanging on the wall and is mounted on an insulated frame and includes an insulated cover. Better insulation means less energy usage and better energy efficiency. -
Page 6: General Warnings
Cetetherm Mini UK 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. The temperature and the pressure of the primary heating water are very high. Only qualified technicians are allowed to work with the HIU. -
Page 7: Operating Instructions
Mini UK has a temperature control for hot water. This measures the temperature of the hot water in the heat exchanger and automatically controls the primary flow. -
Page 8: Product Overview And Flowchart
Cetetherm Mini UK Installation, service and operating instruction 3 Product overview and flowchart Picture 2 Picture 1 Heat exchanger and temperature controller for Safety valve for heating circuit hot water Control valve for hot water Expansion vessel heating circuit Heat exchanger for heating... -
Page 9: Installation
Preparation • Mini UK must be placed on a wall, in upright position. Mount the unit using screws or bolts suitable for the material of the wall and for the weight of the unit. Choose a suitable installation area in accordance with official regulations. -
Page 10: Filling Up The System
Cetetherm Mini UK Installation, service and operating instruction Filling up the system Fill up the system with water by opening the valves. • The valves must be opened in the correct order in order to avoid pollutions in the system. -
Page 11: Commissioning Advice Mini Uk
It takes about 20 seconds to get a stable tap water temperature. The temperature should be minimum 50 °C. Cetetherm recommends that the primary inlet temperature is at least 10º higher than the tap water temperature. NOTE: Make sure that no cold water is mixed with the hot water while making this adjustment. -
Page 12: Pump Settings And Pump Performance
When the pump is switched on it runs with the factory pre-setting or the last setting. The Mini UK pump is pre-set to run with operation mode, proportional pressure mode 2, PP2. Operation mode indicates with LEDs on the pump front. -
Page 13: Setting View
Cetetherm Mini UK Installation, service and operating instruction Setting view To see used pump curve, press once on the push button. After a few seconds, the pump return to show performance view. Settings Pump curve Function Proportional-pressure curve The head (pressure) is reduced at falling heat demand and increased at rising heat demand. -
Page 14: Pump Curve Proportional Pressure Mode 2, Pp2
Cetetherm Mini UK Installation, service and operating instruction Pump curve proportional pressure mode 2, PP2 Picture 4 Line type Description Constant Curve Proportional Pressure Constant Pressure... -
Page 15: Fault Finding Pump
Cetetherm Mini UK Installation, service and operating instruction Fault finding pump Before starting any work at the pump, switch off the power supply. Make sure that the power supply cannot be switched on accidentally. Be aware that capacitors will be live up to 30 seconds after the power supply has been switched off. -
Page 16: Service Instructions
The temperature should be minimum 50 °C. Cetetherm recommends that the primary inlet temperature is at least 10 ºC higher than the tap water temperature. NOTE: Make sure that no cold water is mixed with the hot water while making this adjustment. -
Page 17: Tap Water Temperature Too High
The temperature should be minimum 50 °C. Cetetherm recommends that the primary inlet temperature is at least 10º higher than the tap water temperature. NOTE: Make sure that no cold water is mixed with the hot water while making this adjustment. -
Page 18: Heating Temperature Unstable
Cetetherm Mini UK Installation, service and operating instruction Heating valve and/or 7.2 Check the function of the actuator and valve for heating. actuator does not work 8.1 Cleaning the heating media filter. Filter for heating media clogged Heating temperature unstable... -
Page 19: Disturbing Noise From The Circulation Pump Or The Radiator System
Cetetherm Mini UK Installation, service and operating instruction Disturbing noise from the circulation pump or the radiator system Reason Action Air in the system Bleed the system Disconnect the HIU power supply cable. Bleed the heating system via the air vent valve. -
Page 20: Service Actions For The Installer
Cetetherm Mini UK Installation, service and operating instruction 7 Service actions for the installer Check the function of the actuator and valve for hot water Service actions must be carried out by an authorized service technician. Close the shutoff valves for the Heating network supply and Heating network return together with the cold and hot water. -
Page 21: Check The Function Of The Actuator And Valve For Heating
Cetetherm Mini UK Installation, service and operating instruction Check the function of the actuator and valve for heating Service actions must be carried out by an authorized service technician. Close the shutoff valves for the Heating network supply and Heating network return together with the cold and hot water. -
Page 22: Maintenance And Repairs
Cetetherm Mini UK Installation, service and operating instruction Alternatively, the system´s total volume of water may be too high, i.e. the volume changes are too large for the expansion vessel. If so, add extra expansion volume. 8 Maintenance and repairs When carrying out repairs, please contact your local service partner. -
Page 23: Cleaning The Heating Circuit Filter
Cetetherm Mini UK Installation, service and operating instruction Cleaning the heating circuit filter Service actions must be carried out by an authorized service technician. Before starting out repairs, close the shutoff valves heating network supply, heating network return, heating supply and heating return. -
Page 24: Change Pump Components Or The Complete Pump
Cetetherm Mini UK Installation, service and operating instruction Change pump components or the complete pump Maintenance and repairs must be carried out by an authorized service technician. Before starting out repairs, close the shutoff valves heating network supply, heating network return, heating supply and heating return. -
Page 25: Change The Hot Water Actuator And Heat Exchanger
Cetetherm Mini UK Installation, service and operating instruction Change the hot water actuator and heat exchanger The temperature and the pressure of the district heating water are very high. Only qualified technicians can work with the district heating HIU. Incorrect operation may cause serious personal injury and result in damage to the building. -
Page 26: Change The Heating Actuator
Cetetherm Mini UK Installation, service and operating instruction Change the heating actuator Maintenance and repairs must be carried out by an authorized service technician. The temperature and the pressure of the district heating water are very high. Only qualified technicians can work with the district heating HIU. Incorrect operation may cause serious personal injury and result in damage to the building. -
Page 27: Change The Heating Valve
Cetetherm Mini UK Installation, service and operating instruction Change the heating valve Maintenance and repairs must be carried out by an authorized service technician. The temperature and the pressure of the district heating water are very high. Only qualified technicians can work with the district heating HIU. Incorrect operation may cause serious personal injury and result in damage to the building. -
Page 28: Operating Data And Performance
Cetetherm Mini UK Installation, service and operating instruction 9 Operating data and performance Technical Data Main measures See Measure sketch 560x240x720 (mm, WxDxH) With cover • 560x220x720 (mm, WxDxH) • Without cover Weight 25kg, cover 2kg Electrical data 230 V, 1-phase, 58 W Transportation Total weight 31 kg, 0.2 m³... -
Page 29: Measure Sketch
Cetetherm Mini UK Installation, service and operating instruction Measure sketch Picture 21... -
Page 30: Options
Valve kit Picture 22 Pipe connection up The pipe connection up, makes it possible to connect incoming and outgoing pipes at the top of the Mini UK. Picture 23 Picture 24... -
Page 31: Valve Kit With Service Bypass
Cetetherm Mini UK Installation, service and operating instruction Valve kit with service bypass The Service bypass makes it possible to flush the pipes Heating Network media, supply and return, when the HIU is mounted. Maintenance and repairs must be carried out by an authorized service technician. - Page 32 Cetetherm Mini UK Installation, service and operating instruction 4. To use the bypass function, loosen the screw that holds the handle. Make approximately 2 turns. NOTE- do not unscrew completely!. 5. Lift the handle and turn the left handle counter clockwise and the right handle clockwise Picture 29 6.
- Page 34 Cetetherm AB Fridhemsvägen 15 372 38 Ronneby – Sweden www.cetetherm.com...