Related Manuals for Danfoss Termix VVX-IV 7 Series
Summary of Contents for Danfoss Termix VVX-IV 7 Series
- Page 1 Operating Guide Termix VVX-IV - 7 Series DS Fully insulated LGB55001 © Danfoss | 2022.02...
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Page 2: Table Of Contents
Wiring diagram - underfloor heating ..........16 Fitting of energy meter .................17 Commissioning ..................18 Filling of the primary heating system ..........18 Filling of the secondary heating system ........18 Start-up ...................... 20 Underfloor heating ................20 2 | © Danfoss | 2022.02 LGB55001... -
Page 3: Introduction
For further information regarding disposal, please refer to the section “disposal”. Warranty and product liability Danfoss A/S’ area of responsibility does not include balancing, scope of works or mounting and correct connection of the unit. If changes are carried out to the HIU’s configuration or structure, the manufacturer can assume no responsibility. -
Page 4: Glossary Of Technical Terms
REACH candidate list. We hereby inform customers of a material on the candidate list. The product contains brass parts, which contain lead (CAS no: 7439-92-1) in a concentration over 0.1% w/w. 4 | © Danfoss | 2022.02 LGB55001... -
Page 5: 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. New unit label can be ordered. LGB55001 © Danfoss | 2022.02| 5... -
Page 6: Functional Specification
Warning of dangerous situations that can arise with reasonably foreseeable misuse The risk of personal injury or product damage increases considerably if the recommended operational parameters are exceeded. The unit must always be equipped with safety valves in accordance with local regulations. 6 | © Danfoss | 2022.02 LGB55001... -
Page 7: Safety Notes
Resistance to water on electrical equipment Electrical components are not protected against water ingress. Warning of sharp edges It is recommended that suitable work gloves are used in connection with handling and lifting of the HIU. LGB55001 © Danfoss | 2022.02| 7... -
Page 8: Handling, Transport And Storage
In connection with assembly, the unit must be lifted according to the section “lifting instructions”. Warning of transport damage Before installing the unit, check to ensure the product has not been damaged during transit. 8 | © Danfoss | 2022.02 LGB55001... -
Page 9: Lifting Instructions
1. On the left hand side around the DHR pipe. 2. On the right hand side around the pipe below T-piece attached to the heat exchanger. Now, hang the HIU onto bolts in the wall. LGB55001 © Danfoss | 2022.02| 9... -
Page 10: Mounting And Installation
As the unit has been subjected to vibrations during transit it is important that all screw fittings are re-tightened. Tightening Due to vibrations during transit, lifting and handling all HIU connections must be checked and tightened before installation. 10 | © Danfoss | 2022.02 LGB55001... -
Page 11: Dismantling The Insulation
Termix VVX-IV - 7 Series DS Fully insulated Dismantling the insulation Disassembly of the inspection- and servicehatch Disassembly of the side frame LGB55001 © Danfoss | 2022.02| 11... -
Page 12: Design
Expansion tank IHPT controller, DHW Thermostatic valve, HTG Fitting piece, energy meter Strainer Fitting piece, Shut-off-valve Heating flow and return pipes will be fitted as top feed or bottom feed, according to specification 12 | © Danfoss | 2022.02 LGB55001... -
Page 13: Schematic Description - Termix Vvx-Iv Rad
Electrical wiring box Filling/drain valve Pressure absorber with non-return valve Isolation valve Pressure gauge Sieve Double check valve Differential pressure controller On/Off valve Safety valve Expansion tank IHPT controller, DHW Thermostatic valve, HTG Connection closed LGB55001 © Danfoss | 2022.02| 13... -
Page 14: Schematic Description - Termix Vvx-Iv Ufh
Pressure absorber with non-return valve Isolation valve Pressure gauge Sieve Double check valve Differential pressure controller On/Off valve Safety valve Expansion tank IHPT controller, DHW Thermostatic valve, HTG Connection closed Strainer Fitting piece, energy meter 14 | © Danfoss | 2022.02 LGB55001... -
Page 15: Electrical Connections And Wiring
Wires and cables It must be ensured that wires and cables do not come into contact with the hot pipes. It must also be ensured that wires and cables are not placed against sharp edges. LGB55001 © Danfoss | 2022.02| 15... -
Page 16: Wiring Diagram - Radiator Heating
Termix VVX-IV - 7 Series DS Fully insulated Wiring diagram - radiator heating Wiring diagram - underfloor heating 16 | © Danfoss | 2022.02 LGB55001... -
Page 17: Fitting Of Energy Meter
• Tighten connections After mounting of the energy meter, remember to check and tighten all threaded connections. Sensor pocket The sensors of the energy meter is mounted in the sensor pockets. see diagram LGB55001 © Danfoss | 2022.02| 17... -
Page 18: Commissioning
The expansion vessel is supplied prepressurised to 0.5 bar. The pre-pressure required for the individual HIU will depend on system head (the distance between the lowest and highest point in the system), for example: Height (m) Presssure (bar) 5-10 10-15 15-20 18 | © Danfoss | 2022.02 LGB55001... - Page 19 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. LGB55001 © Danfoss | 2022.02| 19...
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Page 20: Start-Up
Warranty If this is not possible, then flow must be continued through the by-pass. Failing this, the pump will be at risk of seizure and any remaining warranty is forfeited. 20 | © Danfoss | 2022.02 LGB55001... -
Page 21: Operating Guide - Components
Note the four grooves on the rim of the valve. 4. Alignment Align the arrow on the front to one of the grooves on the rim of the valve and push the RAVK sensor onto the valve. LGB55001 © Danfoss | 2022.02| 21... -
Page 22: Thermoactuators
The variable speed modulating modes allow the pump to match its performance to the system requirements, helping to reduce noise when thermostatic valves are closing down. Energy labelling class A. 22 | © Danfoss | 2022.02 LGB55001... -
Page 23: Grundfos Upm3 Auto Instructions
CP 2 CP 3 CC 1 CC 2 CC 3 • • • Traditional TRVs • • Pressure Independent TRVs (PITRVs) • • • Traditional UFH • • • • UFH with pressure Independent inserts LGB55001 © Danfoss | 2022.02| 23... -
Page 24: Imit Thermostat
• Remove the inspection hatch, service hatch and frame. • Complete pipe work from blow-off pipe to drain. Waste adaptor The waste adapter is supplied loose and is used for pipework to the drain. 24 | © Danfoss | 2022.02 LGB55001... -
Page 25: Domestic Hot Water Temperature Control
Switched Live from Terminal 2 in the heating interface wiring box. This is to ensure that the pump stops circulating when no credit is available on the pre-payment unit. LGB55001 © Danfoss | 2022.02| 25... - Page 26 The heat exchanger is produced in acid-resistant, stainless steel see diagram Double check valve see diagram Fill/drain valve 20 48 Air vent, manual secondary side see diagram Air vent, manual Primary side. see diagram 26 | © Danfoss | 2022.02 LGB55001...
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Page 27: Maintenance
Check that the system is thoroughly vented. Spare parts Spare parts can be ordered from SAV Systems Ltd. Please ensure that any enquiry includes the HIU's serial number. The serial number is found on the unit label. LGB55001 © Danfoss | 2022.02| 27... -
Page 28: Troubleshooting
• Tighten all union connections. • Wipe off the HIU and clean up any fluid spills. • Balance the HIU if necessary. • Check that pressure and temperature are at normal levels. 28 | © Danfoss | 2022.02 LGB55001... -
Page 29: Troubleshooting
“Differential pressure regulator” Defective differential Noise in the unit Check and replace if defective pressure regulator Set the pump to a lower setting, see the section Pump pressure is too high “Circulation pump UPM3” LGB55001 © Danfoss | 2022.02| 29... -
Page 30: Deactivation And Dismantling
This product consists of materials that cannot be disposed of together with household waste. The product is dismantled and the components sorted into various groups before disposal. Local legislation governing disposal must be followed. 30 | © Danfoss | 2022.02 LGB55001... -
Page 31: Declaration Of Conformity
Termix VVX-IV - 7 Series DS Fully insulated Declaration of conformity LGB55001 © Danfoss | 2022.02| 31... -
Page 32: Pre Hand Over Check List
System properly vented UFH stat mounted correctly on heating supply line Safety valve checked and piped to drain DHW Temperature setting Heating temperature setting Flushing bypass closed Insulation has been remounted 32 | © Danfoss | DHS-SRMT/SI | 2022.02 LGB55001...
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