nilan Compact P2 Installation Instructions Manual
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nilan Compact P2 Installation Instructions Manual

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INSTALLATION INSTRUCTIONS
CTS602 HMI
BY NILAN
Compact P2 / Compact P2 Polar - GEO
Gateway
Version 1.00 - 01.03.2022
M24 Compact P2 GEO GB

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  • Page 1 INSTALLATION INSTRUCTIONS CTS602 HMI BY NILAN Compact P2 / Compact P2 Polar - GEO Gateway Version 1.00 - 01.03.2022 M24 Compact P2 GEO GB...

  • Page 2: Table Of Contents

    Table of contents General information Safety ..........................................4 Power supply ......................................4 Heat pump domestic hot water ................................4 Heat pump for central heating ................................4 Water quality requirements ..................................5 Requirements to quality of water ..............................5 Introduction ........................................5 Documentation ...................................... 5 Unit type ........................................
  • Page 3 Connection overview ..................................30 Connection ......................................30 Requirements to quality of water ..............................31 Hot water circulation ..................................31 Supplementary coil .................................... 31 Softened water ....................................31 Central heating ......................................32 Connection overview ..................................32 The brine circuit ....................................32 Check list for the central heating system prior to start-up ......................33 Plumbing connections for accessories ..............................

  • Page 4: General Information

    General information Safety Power supply CAUTION Always disconnect the power supply to the unit if an error occurs that cannot be rectified via the control panel. CAUTION If an error occurs on electrically conductive parts of the unit, alway contact an authorised electrician to rectify the error. CAUTION Always disconnect the power to supply to the unit before opening the unit doors, for instance for installation, inspection, cleaning and filter change.

  • Page 5: Water Quality Requirements

    Requirements to quality of water The hot water tank in the Nilan units is made of steel, which has been given a double enamelling, to ensure an extra long service life. In addition, the tank is equipped with a sacrificial anode as extra protection. It is important that the sacrificial anode is replaced regularly.

  • Page 6: Unit Type

    The heat pump has a reversible cooling circuit, which means that the cooling circuit can be turned and it can cool the supply air in the summer. Compact P2 can cool the supply air by up to 10 ° C in relation to the outdoor air. Due to the low air exchange, usually 1/2 time per hour, it will not act as an air conditioning system.

  • Page 7: The Unit

    The unit Compact P2: GEO: 1. Duct connections 22. Safety valve and manometer for the central heating circuit 2. Filter replacement door 23. Inverter-controlled DC compressor 3. Control panel (HMI touch panel) 24. Filling tap and particle filter for the central heating circuit 4.

  • Page 8: Overview Of Temperature Sensors

    Overview of temperature sensors Temperature sensors in the unit T1: Outdoor air T2: Supply air T4: Extract air after heat exchanger T5: Condenser T6: Evaporator T1/T20 T10: Extract air Temperature sensors in the hot water tank T11: Top of tank T12: Bottom of tank Temperature sensors Brine T13: Brine supply flow...

  • Page 9: Pipe Diagram

    Supply flow PZAL Central heating Return flow GEO heat pump Ground collectors * Everything within the red box is Nilan delivery. 1. Evaporator 18. Ball valve 2. Service valve for low pressure 19. Circulation pump 130 mm 3. Low-pressure pressostat 20.

  • Page 10: Accessories

    If you want to adjust the fan speed level in accordance with the level of use of the dwelling/building (amount of people), you can retrofit a CO2 sensor. Nilan’s CO sensors calibrate automatically. On the control panel, you select the CO2 level you want. If this level is exceeded, ventilation will automatically increase.

  • Page 11: Extension Cable Hmi Control Panel

    To make it esay to service the unit in the future, we recommend that you fit a flexible connection between the unit and the duct system. Nilan flexible sound damper absorbs sounds effectively from both the duct system and from roof stacks.

  • Page 12: Pollen Filter

    This should be placed in the outdoor air intake, which will reduce the pollen count in the dwelling. Trolley A Nilan trolley makes it easy to transport the heavy units into the home, without having to carry out heavy lifting yourself with the risk of injury.

  • Page 13: Set-Up

    The ventilation unit is delivered fully assembled and wrapped on a pallet. You can lift the unit from the pallet and transport it into the building by using a Nilan lifting dolly. You thereby avoid heavy lifting. The unit is delivered from the factory fitted with 4 lifting straps, one in each corner.

  • Page 14: Ground Collector Loop

    Ground collector loop Examples of the laying By laying the geothermal circuit there are some range distances, which need to be observed to get a unit which will have an effective and smooth operation. Further local authorities may make requirements for installation and acceptance of the facility before entry into use.

  • Page 15: Electrical Installation

    11. Cable for brine pressure switch 12. Power supply cable for brine pump 13. Network cable for GEO 3/6/9 + Compact P2 (main power supply cable) 14. Emergency mode of supplemental electric heating for central heating 15. Power supply socket 230V for Compact P2 16.

  • Page 16: Electrical Connections Unit

    3 x 400V, 3L+N+PE, 16 A, 50 Hz Remember safety switch Power connection for Compact P2, ventilation and domestic hot water This power connection via Schuko socket allows to measure the power consumption of the ventilation separately, as well as the possibility that the hot water part does...

  • Page 17: Change From 400V To 230V

    Change from 400V to 230V The standard connection in the unit is 3x400V + N. In those countries or areas where this standard is not applicable, the unit can easily be switched to either 3x230V or 1x230V. The terminal block can be found in the control system for GEO. Please refer to the wiring diagram enclosed with the unit. 3 x 400V + N 1.

  • Page 18: Circulation Pump

    Circulation pump In Compact P2 AIR and Compact P2 GEO, there is a Power supply cable for circulation pump for central circuit in the Electrical connec- tion panel. The cable is marked with a sticker with the text "Circulation pump" and ends in 3 screw terminals.

  • Page 19: Hmi Control Panel

    The panel is moved out of the unit and the wires are routed through the wire bushing and connected to the terminal block, as shown below. Nilan offers a connection cable with RJ12 plugs of 15 m. It is also possible to customize a cable up to 50 m in length. A standard LAN cable is used for this.

  • Page 20: Electrical Connections Accessories

    Electrical connections accessories SHW hot water tank The SHW hot water tank is connected to Compact P2 GEO connection panel as shown below. The SHW tank has its own power supply via a Schuko plug. 1. Plug for control of supplemen- tary electric heating in the SHW tank.

  • Page 21: Smart Grid

    If you want to run Smart Grid, you will have to connect the Smart Grid modem to the ventilation unit as shown on the picture. The Smart Grid signal is connected to the circuit board in Compact P2, which will also control AIR and GEO if these are connected up.

  • Page 22: External Electrical Pre-Heating Element

    External electrical pre-heating element It is possible to purchase an external electrical pre-heating element for frost protection of the ventilation unit. The electrical pre-heating element is mounted in the outdoor air duct before the unit with the necessary temperature sensor. If it is desired to see the actual outdoor air temperature on the control panel, the temperature sensor T1 / T8 must be led out into the duct before the pre-heating element.

  • Page 23: Mounting An Expansion Pcb On The Cts602 Circuit Board

    Mounting an expansion PCB on the CTS602 circuit board An expansion PCB allows you to expand the functions of the control system. It makes it possible for you to add accessories as shown on the following pages. 1. In order to access the circuit board on which the expan- 2.
  • Page 24 Compact. This makes instal- lation easier. ATTENTION The expansion PCB and the connections must be installed by a certified electrician. The expansion PCB is an accessory to the CTS602 circuit board. Nilan does not supply external components.

  • Page 25: User Selection 2

    User selection 2 User selection 2 offers you the same options as User selection 1. In addition, you get the option of a relay output that can control e.g. a damper or whatever external function you may need to control. The 8-pin plug and the terminal block are located at the top of the unit.

  • Page 26: Dtbu Damper Solution

    DTBU damper solution If it is desired to run the cooker hood over the ventilation system, it may in some cases be difficult to get enough air for the cooker hood. To solve that challenge, an EM-box solution can be used. However, if there is not enough space in the installation for an EM box, you can alternatively connect a DTBU damper in the duct system, which has the same function, except that it does not have a built-in dirt filter.

  • Page 27: Joint Alarm

    Joint alarm It may be difficult to notice alarms if the unit is located in a place where access is difficult or infrequent, and if the control panel is loca- ted in the same place. An external alarm indicator in the form of an electric bulb or an acoustic signal can be connected to the ventilation unit and announce when an alarm occurs.

  • Page 28: External Underfloor Heating Control

    External underfloor heating control To avoid the heat pump producing heat when there is no need for it, it is advisable to connect the underfloor heating control on the te- lestats to AIR/GEO. A screw terminal is mounted on the connections panel for controlling heating/cooling. The loop, which is in HEAT and COM, is removed and the signal from the floor heating control is connected here.

  • Page 29: Plumbing Installation

    Condensate drain Important information Compact P2 is supplied with a reinforced 20 mm condensate drain tube with an integral water trap. ATTENTION Run the condensate drain tube to the nearest drain, allowing an even fall of at least 1 cm per m.

  • Page 30: Hot Water Tank

    All work must be performed by qualified personnel and in accordance with relevant legislation and regulations. Nilan's hot water tanks are double-enamelled, ensuring long life. The efficient foam insulation protects against unnecessary heat loss. All connection nozzles for water have 3/4" thread and are located in the tank bottom.

  • Page 31: Requirements To Quality Of Water

    Requirements to quality of water The hot water tank in the Nilan units is made of steel, which has been given a double enamelling, to ensure an extra long service life. In addition, the tank is equipped with a sacrificial anode as extra protection. It is important that the sacrificial anode is replaced regularly.

  • Page 32: Central Heating

    Central heating Connection overview 1. Supply flow central heating 2. Return flow central heating 3. Supply flow brine (from geothermal tube) 4. Return flow brine (to geothermal tube) Bottom Front The brine circuit After a leak test has been conducted and proven, the system can be filled with brine. Filling with brine should be carried out by an authorised installation technician.

  • Page 33: Check List For The Central Heating System Prior To Start-Up

    Check list for the central heating system prior to start-up The check list is used when starting and delivering the system, and it should always be filled in. See the other sections in the manual for further information. Electrical connection and controls Checked - date Notes The power supply is connected and secured in...

  • Page 34: Plumbing Connections For Accessories

    Plumbing connections for accessories Safety group CAUTION Safety group must be installed in connection with hot water tanks. When water is heated to 60 °C, it expands by 2%. A pressured tank could burst without a safety valve keeping excess water out. The safety valve should therefore drip during warming up.

  • Page 35: Passive Cooling Module

    Passive cooling module It is possible to buy Compact P GEO 3/6/9 with a passive cooling module, which can cool the home in the summer, should the need arise. The cold brine water is passed through a plate heat exchanger, which cools the water in the central heating system. The cooling module is pre-assembled from the factory and connected to the CTS control.

  • Page 36: Passive Cooling Function

    The relay output 10 is activated and turns a tree-way-valve, so the brine water is led to the passive heat exchanger (not a Nilan delivery). When the contact is switched off again, GEO will go back to normal operation.

  • Page 37: Domestic Hot Water Tank

    Domestic hot water tank The GEO unit can be connected to an external hot water tank (SHW) and to the hot water tank in the Compact P2 (DHW). A three-way valve, which can be purchased as an accessory, is required.

  • Page 38: Connecting To Shw Hot Water

    2. Return flow from the heat pump coil in the SHW tank to the GEO heat pump 3. Connection for domestic cold water supply 4. Supply flow of pre-heated domestic hot water from the SHW tank to the DHW tank in Compact P2 5. Supply flow of domestic hot water from the DHW tank 6.

  • Page 39: Connection To Supplementary Coil In Shw Hot Water Tank

    Connecting to DHW hot water If the demand for domestic hot water exceeds the capacity of the heat pump in the Compact P2 unit, GEO can be connected to the solar coil in the DHW tank. It will then help heat the domestic hot water.

  • Page 40: Ventilation Installation

    This is to avoid vibrations from the unit being transmitted to the duct system. It will also make it easier to move the unit, which may be necessary during future services of the unit. Nilan can supply Soundflex tubes that you can use as flexible connections between the ventilation unit and the duct system. They will also reduce sounds from the system considerably.

  • Page 41: Extract Air

    Extract air Install the extract air valves in high-humidity rooms and place them strategically where they can extract humid and vitiated air from the dwelling/building most efficiently. High-humidity rooms are, for example: • Bathroom • Lavatory • Kitchen • Utility room Supply air Install supply air valves in living areas.

  • Page 42: Balancing

    Balancing Important information ATTENTION To ensure the ventilation system operates optimally, it is important that it is balanced correctly. We recommend that experts do this. It is important to measure the total supply air and the total extract air. The system must have a minimum vacuum, which means it draw out more air than it blows in.

  • Page 43: Start-Up

    Start-up Central heating Filling with water ATTENTION Before starting the heat pump and the circulation pump, the central heating circuit must be filled with water. Fill central heating circuit with water via the feed tap until the correct water pressure is obtained. It is important that all circuits in the central heating system are open during filling.

  • Page 44: Troubleshooting

    Emergency operation Emergency mode domestic hot water If an error occurs in the control system or components in the Compact P2, and the unit therefore stops, it will not be able to produce domestic hot water. If the installer is not able to come right away or the error happens outside the opening hours, and you therefore cannot contact the in- staller, there is a possibility to get hot water by setting the unit into emergency mode.

  • Page 45: Emergency Mode Central Heating

    Emergency mode central heating If an error occurs in the control system or components in the GEO heat pump, and the heat pump therefore stops, it will not be able to heat up the house by the central heating. If the installer is not able to come right away or the error happens outside the opening hours, and you therefore cannot contact the in- staller, there is a possibility to heat up the house by setting the GEO heat pump into emergency mode.

  • Page 46: Domestic Hot Water

    Domestic hot water Errors and solutions domestic hot water Problem Possible cause Solution The unit produces insufficient domestic The filters may be blocked so that insuf- Change the filters and, if necessary, hot water. ficient air is reaching the unit. change the filter change period to a shor- This can occur if the filters are not chan- ter Interval.
  • Page 48 25 St Leonards Road Horsham West Sussex RH13 6EH Tel: +44 (0) 14 03 56 30 45 service@slservicesgroup.com or info@slservicesgroup.com www.slservicesgroup.com Ireland: Nilan Ireland Ballylahive, Abbeydorney Tel: +353 (0) 87 97 98 361 maurice@nilan.ie www.nilanireland.ei Nilan A/S Nilanvej 2 8722 Hedensted Danmark Tlf.

This manual is also suitable for:

Compact p2 polar-geoCts602 hmi

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