Related Manuals for Danfoss Termix VVX-I-R FI - 7 Series
Summary of Contents for Danfoss Termix VVX-I-R FI - 7 Series
- Page 1 Operating Guide Termix VVX-I-R FI - 7 Series DS fully insulated LGB40450 © Danfoss | 2021.06...
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Page 2: Table Of Contents
Termix VVX-I-R FI - 7 Series DS fully insulated Table of contents Introduction..............3 Operating Guide - Components ........21 Warranty and product liability ........3 Heating controls ............21 Glossary of technical terms ..........4 Thermoactuators ..................21 RAVK controller (35-75 °C) ..............21 Key to symbols .............. -
Page 3: Introduction
Termix VVX-I-R FI - 7 Series DS fully insulated Introduction This heat interface unit is intended for connecting to a heat network for the production of both domestic hot water and space heating. Read through the instructions before starting installation work. -
Page 4: Glossary Of Technical Terms
Termix VVX-I-R FI - 7 Series DS fully insulated Glossary of technical terms Domestic hot water Domestic cold water Hot water circulation Heat network supply Heat network return Heating supply Heating return Key to symbols Heat network Radiator heating Underfloor heating... -
Page 5: Unit Label
Termix VVX-I-R FI - 7 Series DS fully insulated Unit label The unit label is affixed to the back plate (Image of a unit label is shown as an example). Should the unit label become unreadable, damaged or fall off completely, then it must be replaced. -
Page 6: Functional Specification
Termix VVX-I-R FI - 7 Series DS fully insulated Functional specification The heat interface unit is intended for connecting to a heat network for the production of both domestic hot water and space heating. The unit must be connected to the household installation in a frost-free location. -
Page 7: Safety Notes
Termix VVX-I-R FI - 7 Series DS fully insulated Safety notes Authorised personnel Read the instructions before start-up Assembly, installation, commissioning and maintenance must The instructions must be read through before installation only be carried out by a qualified and authorised HVAC or electrical and commissioning of the unit. -
Page 8: Handling, Transport And Storage
Termix VVX-I-R FI - 7 Series DS fully insulated Handling, transport and storage Handling All lifting and handling of the heat interface unit must be carried out in an ergonomically responsible manner. Transport and storage The unit must be properly packed during both transit and storage. -
Page 9: Lifting Instructions
Termix VVX-I-R FI - 7 Series DS fully insulated Lifting instructions Temporarily remove the U-shaped front Unhook and secure the front Lift the heat interface unit in the following two places: 1. On the left hand side around the primary strainer. -
Page 10: Dismantling The Insulation Front
Termix VVX-I-R FI - 7 Series DS fully insulated Dismantling the insulation front Temporary securing of centre plate Disassembly of the side frame 10 | © Danfoss | 2021.06 LGB40450... -
Page 11: Mounting And Installation
Termix VVX-I-R FI - 7 Series DS fully insulated Mounting and installation The existing installation should be flushed out prior to installation. Follow the symbols indicated on the heat interface unit for correct connection of the pipes. Please refer to the section “Key to symbols”. -
Page 12: Design
Termix VVX-I-R FI - 7 Series DS fully insulated Design Your heat interface unit may look different from the heat interface unit shown Heat exchanger, HE Circulator pump Air vent, manual Heat exchanger, DHW Sensor pocket, energy meter Energy meter... -
Page 13: Schematic Description - Termix Vvx-I-R Fi Rad
Termix VVX-I-R FI - 7 Series DS fully insulated Schematic description - Termix VVX-I-R FI RAD Mounting rail Domestic Hot water Domestic Cold water Heating Heat network Supply Supply Heating Heat network Return Return Your heat interface unit may look different from the heat interface unit shown... -
Page 14: Schematic Description - Termix Vvx-I-R Fi Ufh
Termix VVX-I-R FI - 7 Series DS fully insulated Schematic description - Termix VVX-I-R FI UFH Mounting rail Domestic Hot water Domestic Cold water Heating Heat network Supply Supply Heating Heat network Return Return Your heat interface unit may look different from the heat interface unit shown... -
Page 15: Electrical Connections And Wiring
Termix VVX-I-R FI - 7 Series DS fully insulated Electrical connections and wiring Before connecting the unit to an electrical supply, please note the following: Safety notes Please read the relevant parts of the safety notes. Authorised personnel All electrical installation work may only be carried out by an 230 V authorised electrician. -
Page 16: Wiring Diagram - Radiator Heating
Termix VVX-I-R FI - 7 Series DS fully insulated Wiring diagram - radiator heating Wiring diagram - underfloor heating 16 | © Danfoss | 2021.06 LGB40450... -
Page 17: Fitting Of Energy Meter
Termix VVX-I-R FI - 7 Series DS fully insulated Fitting of energy meter Fitting piece The heat interface unit is equipped with a fitting piece for the energy meter. see diagram Mounting the energy meters: • Close isolation valves Close the isolation valves on DH Supply and DH Return, if there is water in the system. -
Page 18: Filling Of The Primary Heating System
Termix VVX-I-R FI - 7 Series DS fully insulated Filling of the primary heating system A flushing bypass or similar should be mounted. Only introduce heating network water in the HIU once it has been flushed. 1. First fill Re-tighten connections... -
Page 19: Filling Of The Secondary Heating System
Termix VVX-I-R FI - 7 Series DS fully insulated Filling of the secondary heating system Step 1: Remove the front and centre plate. Step 2: Remove the cap and connect the flexible hose. Step 3: Open both valves. Step 4: After filling up the secondary heating system, close both valves, disconnect the flexible hose and refit the insulation. -
Page 20: Start-Up
Termix VVX-I-R FI - 7 Series DS fully insulated Start-up 1. Pump speed Set the pump to its highest speed before start-up. 2. Start pump Pump Start the pump and heat through the system. The pump must be switched off during system filling. -
Page 21: Operating Guide - Components
Termix VVX-I-R FI - 7 Series DS fully insulated Operating Guide - Components Heating controls Thermoactuators Activating the thermoactuators The thermoactuators are supplied with a “first open” function, which means that they are slightly open for frost protection until the electrical see diagram controller is installed. -
Page 22: Differential Pressure Controller
Termix VVX-I-R FI - 7 Series DS fully insulated Refitting the RAVK sensor 1. Setting Setting Ridges Before refitting the RAVK sensor make sure it is set to 5. Make a note of the position of the arrow. 2. Ridges On the exact opposite side of the arrow on the front is a ridge on the inside edge of the sensor housing - and another opposite this one. -
Page 23: Grundfos Upm3 Auto Instructions
Termix VVX-I-R FI - 7 Series DS fully insulated Grundfos UPM3 AUTO instructions Control mode Each push on the button switches to the next program setting. The choice of operation mode depends on the type of heating system and the pressure loss in the system. -
Page 24: Imit Thermostat
Termix VVX-I-R FI - 7 Series DS fully insulated IMIT Thermostat The IMIT thermostat is used to limit the underfloor heating flow temperature. The IMIT thermostat is preset to 60 °C and will shut off the pump and the primary on/off valve when the flow to the underfloor see diagram heating exceeds 60 °C. -
Page 25: Dhw Temperature Control
Termix VVX-I-R FI - 7 Series DS fully insulated DHW Temperature control DHW temperature control There are various types of DHW temperature control used in Danfoss heat interface units. DHW temperature should typically be adjusted to 45-50 °C, as this provides optimal utilisation of DH water. -
Page 26: Expansion Tank
Termix VVX-I-R FI - 7 Series DS fully insulated Expansion tank see diagram Heat Exchanger The heat exchanger is produced in acid-resistant, stainless steel see diagram Isolation valve see diagram Double check valve, WRAS see diagram Fill/drain valve see diagram... -
Page 27: Maintenance
Termix VVX-I-R FI - 7 Series DS fully insulated Maintenance The heat interface unit requires little monitoring, apart from routine checks. It is recommended that you read the energy meter at regular intervals and write down the meter readings. Regular inspections of the heat interface unit in accordance with... -
Page 28: Troubleshooting
Termix VVX-I-R FI - 7 Series DS fully insulated Troubleshooting In the event of malfunction, check the following before initiating troubleshooting: • That there is a power supply to the heat interface unit. Authorised personnel • That the strainer on the heat network pipe has been cleaned. -
Page 29: Troubleshooting
Termix VVX-I-R FI - 7 Series DS fully insulated Troubleshooting Area of operation Problem Possible cause Solution The strainer in the supply Clean the strainer or return line is clogged up Check the dimensioning of DHW load, actual flow Too high DHW flow rate... -
Page 30: Deactivation And Dismantling
Termix VVX-I-R FI - 7 Series DS fully insulated Deactivation and dismantling Before beginning the task of dismantling, it must be ensured that: Gloves • All isolation valves on connections are closed. It is recommended that suitable work gloves are used in connection with •... -
Page 31: Declaration Of Conformity
Termix VVX-I-R FI - 7 Series DS fully insulated Declaration of conformity LGB40450 © Danfoss | 2021.06| 31... -
Page 32: Pre Hand Over Check List
Termix VVX-I-R FI - 7 Series DS fully insulated Pre hand over check list Date: Unit No.: Carried out by: Description: Pos. Page Remark: Connection conneted correctly All connections tightened Primary system fl ushed, through fl ushing bypass 2 Strainers checked Diff...