Related Manuals for STIEBEL ELTRON LWZ 5 CS Premium
Summary of Contents for STIEBEL ELTRON LWZ 5 CS Premium
- Page 1 INSTALLATION Central ventilation unit with heat recovery » LWZ 5 CS Premium » LWZ 8 CS Premium...
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Page 2: Table Of Contents
CONTENTS Cleaning the filter ball valve 31 SPECIAL INFORMATION Replacing the anode 31 INSTALLATION Checking the diaphragm expansion vessels 32 General information �����������������������������������������3 Specification ������������������������������������������������ 33 Relevant documents 3 10.1 Dimensions and connections 33 Information on the appliance 3 10.2 Connection examples 34 Standardised output data 3... -
Page 3: Special Information
SPECiaL iNfOrmaTiON | i NSTaLLaTiON General information SPECiaL iNfOrmaTiON iNSTaLLaTiON - Observe all applicable national and regional re- General information gulations and instructions during installation. These instructions are intended for qualified contractors. - The appliance is not approved for outdoor installation. Relevant documents - Observe the requirements concerning the ins- 336513 Operation... -
Page 4: Safety
iNSTaLLaTiON Safety Operation of the appliance in buildings with Depending on the chosen test method and the extent to which this method differs from the test conditions defined in the first combustion equipment paragraph of this section, any deviations can be considerable. If the building contains combustion equipment (tiled stoves, fi- Additional factors that have an influence on the test values are replaces, etc.), approval must be obtained from the responsible... -
Page 5: Appliance Description
iNSTaLLaTiON appliance description As the appliance can produce negative pressure in the installa- - Installation instructions tion room, we recommend using a tightly sealing door between - Notification list the installation room and the living space containing combustion - Transport aid, comprising two angled brackets with screws equipment. - Page 6 iNSTaLLaTiON appliance description The cross-countercurrent heat exchanger ensures that up to 90 % - Area cooling means: underfloor heating systems, wall hea- of the heat in the extract air is returned with the supply air into ting systems and generally all heating systems that have no the living space.
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Page 7: Preparation
iNSTaLLaTiON Preparation 3.4.3 Frost protection for the cross-countercurrent heat The room in which the appliance is to be installed must meet the exchanger following conditions: - The room must be free from the risk of frost. A heat exchanger in the path of the outdoor air flow preheats the outdoor air, and thus prevents the cross-countercurrent heat - The floor must have sufficient load bearing capacity. -
Page 8: Air Routing
iNSTaLLaTiON Preparation Outdoor/exhaust air connection with air hose Outdoor air mechanical ventilation connection option ≥500 ≥300 1 Filter box Air routing Prevent air stream „short circuits“. The air intake and discharge apertures in the external walls should be arranged around cor- ners. - Page 9 iNSTaLLaTiON Preparation The floor between the installation room and living areas must Anti-vibration separation have carefully applied anti-vibration separation. Ensure that no With the anti-vibration feet, it is possible to install the appliance pipes are routed on or in the wall and that the air ducts have on floating screed, as long as this has been applied correctly.
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Page 10: Electrical Installation
iNSTaLLaTiON Preparation Electrical installation Transport Permission must be obtained from your local power supply utility. Material losses If the appliance is transported without packing and wit- WARNING Electrocution hout using a pallet, its outer casing may be damaged. Carry out all electrical connection and installation work Remove the side panels and doors in such cases. -
Page 11: Installation
iNSTaLLaTiON installation Installation Siting the function module Material losses Never tilt the appliance excessively. Contacts between the casing and the floor can damage the paintwork. 1 Fixing screw on the r.h. side panel f At the top of the gap between door and appliance, undo the fixing screw for the r.h. - Page 12 iNSTaLLaTiON installation Outdoor air mechanical ventilation connection option f Press the core piece inward, carefully break it out and remo- ve it. Note f Smooth out the line of breakage. Observe the minimum clearance at the back of the ap- f Clean the aperture.
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Page 13: Installing The Cylinder Module
iNSTaLLaTiON installation Installing the cylinder module f Undo the screws underneath the pallet with which the cylin- der module is secured to the pallet. Material losses Never tilt the cylinder module excessively. Contacts bet- ween the casing and the floor can damage the paintwork. 1 Captive nut on the bottom of the cylinder module 2 Adjustable foot with nut for fitting with an open-ended spanner... -
Page 14: Connecting Modules
iNSTaLLaTiON installation Pushing the cylinder module towards the function module Pushing the cylinder and the function modules together f Push the cylinder module carefully towards the function Note module, so that the rear r.h. adjustable foot of the cylinder module is near the recess in the joining bracket. An air hose to capture the differential pressure runs along the l.h. - Page 15 iNSTaLLaTiON installation Fitting the horizontal locking bracket to the front To make yourself room for the assembly, you can temporarily unhook the high limit safety cut-out retaining bracket. f Connect the function module and cylinder module at the f Undo the screws on the high limit safety cut-out retaining front by securing one horizontal locking bracket each at the bracket.
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Page 16: Heating Water Connection
iNSTaLLaTiON installation Making the push-fit connection Undoing the push-fit connection The connector must be in its relaxed position before the pipe is If the push-fit connectors later need to be undone, proceed as inserted. In this position, there is a small gap between the screw follows: cap and connector body. -
Page 17: Water Connection
iNSTaLLaTiON installation „Heating return“ connection Note Suitable appliances for water softening, as well as for filling and flushing heating systems, can be obtained via trade suppliers. Minimum flow rate The appliance is designed in such a way that no buffer cylinder is required to provide hydraulic separation of the flow in the heat pump circuit and the heating circuit in conjunction with area hea- ting systems. -
Page 18: Filling The Dhw Cylinder
iNSTaLLaTiON installation Condensate drain and overpressure valve Safety valve f Check the position of the internal condensate pump in the The appliance is a sealed unvented DHW cylinder. Provide the function module. The condensate pump must fully rest on the appliance with a pressure relief valve. - Page 19 iNSTaLLaTiON installation 5.9.2 Control panel WARNING Electrocution Only components that operate with safety extra low voltage (SELV) and that ensure secure separation from the mains voltage supply may be connected to the low voltage terminals of the appliance. Connecting other components can make parts of the ap- pliance and connected components live.
- Page 20 iNSTaLLaTiON installation 5.9.4 Control voltage 5.9.6 External pumps ( PWM ) Note The power supply to the external pumps is not provided via the appliance. XD03 Contact for Power-OFF command by the power supply uti- lity (option) Steuerung Control Mi AUF Mixer open Mi ZU Mixer close...
- Page 21 iNSTaLLaTiON installation 5.9.8 Connecting sensors XD04 External terminals ( S afety extra low voltage ) Outside temperature sensor Mixer circuit flow temperature sensor 1 Sensor well for the cylinder temperature sensor (economy Room temperature sensor mode/buffer mode) Solar temperature sensor 2 Sensor well for the cylinder temperature sensor (Comfort) Temperature sensor for second DHW cylinder No function Outside temperature sensor AFS 2...
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Page 22: 5.10 Filling And Venting The Heating System
iNSTaLLaTiON installation 5.9.9 CAN BUS Internet Service Gateway The Internet Service Gateway (ISG) enables you to operate the Connecting the external programming unit appliance within your local home network and via the internet when on the go. Note Check whether the room in which the external pro- gramming unit is installed receives a lot of warmth, for example sunlight. - Page 23 iNSTaLLaTiON installation f Refit the protective caps on the fill valves. Determine the fill pressure Volume of the diaphragm expansion vessels integrated into the appliance Expansion vessel pre-charge pressure ( P0 ) 0.75 If the height difference ∆h between the highest point of the heating system and the diaphragm expansion vessel is no more than 6 m, the diaphragm expansion vessel can be used without any changes being required.
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Page 24: 5.11 Fitting The Appliance Casing
iNSTaLLaTiON installation f Determine the „PRESSURE HTG CIRC“ value for one of the 5.11.2 Installing front panel of the function module three favourites. For this, navigate from the default display to f Attach the lower front panel of the function module using the „FAVOURITES“... -
Page 25: 5.12 Outdoor Air And Exhaust Air Hose Installation
iNSTaLLaTiON installation f Connect the bus cable to the programming unit. The BUS f Push the external hose and the thermal insulation slightly up cable must run upwards with the jumper in the l.h. side. so that the internal hose of the air hose protrudes slightly. f Insert the fascia from the top into the fascia frame. -
Page 26: 5.13 Installing Extract Air And Supply Air Pipes
iNSTaLLaTiON Commissioning 5.13.1 Silencer Fit silencers as near as possible to the appliance into the extract air and the supply air flows. Fit a silencer just upstream of bedrooms. If a room with a high noise level needs to be ventilated, install additional silencers in the supply air pipe or extract air pipe of this room to reduce sound transmission to adjacent rooms. -
Page 27: Filter Insertion
iNSTaLLaTiON Commissioning - Has the condensate hose been routed correctly? 6.1.7 High limit safety cut-out - Was a vessel placed beneath the safety valve discharge hose? With ambient temperatures of below -10 °C, it is possible that the high limit safety cut-out of the electric emergency/booster 6.1.2 Ventilation system heater may trip. -
Page 28: Appliance Shutdown
iNSTaLLaTiON appliance shutdown Appliance shutdown Troubleshooting Exhaust air fan is catching WARNING Injury There will be no ventilation if the appliance is taken out If the exhaust air fan drags, return it into its correct position. of use. This may result to the development of mould fun- gus and damage to the building. -
Page 29: Circulation Pump
iNSTaLLaTiON maintenance and cleaning Circulation pump Maintenance and cleaning If the LED on the heating circuit pump flashes red even though WARNING Electrocution there is an active heat demand, disconnect the power supply for f Prior to commencing any service or cleaning work, 30 seconds. -
Page 30: Cleaning The Outdoor Air Filter
iNSTaLLaTiON maintenance and cleaning Cleaning the outdoor air filter The outdoor air filter is fitted downstream of the cross-counter- current heat exchanger. f Remove the dirt grille fitted above the condensate pan by compressing it from its sides and removing it upwards. 1 Upper front panel f Check the defrost pan drain and clean it, if required. -
Page 31: Cleaning The Filter Ball Valve
iNSTaLLaTiON maintenance and cleaning f Spray water across the evaporator fins. f Remove the water from the appliance using a wet suction device. f Remove contaminants and blockages. Note Check the condensate drain regularly, at least once a year. Cleaning the condensate drain Check the condensate drain regularly. - Page 32 iNSTaLLaTiON maintenance and cleaning Checking the diaphragm expansion vessels 1 Fill valve of the expansion vessel f Remove the protective caps from the fill valves on the expan- sion vessels. 1 Cap valve f Close the cap valve and depressurise the expansion vessel by draining the cap valve.
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Page 33: Specification
iNSTaLLaTiON Specification 10. Specification 10.1 Dimensions and connections 1430 LWZ 5 CS Premium LWZ 8 CS Premium Entry electrical cables Cold water inlet Diameter DHW outlet Diameter Entry DHW circulation Safety valve drain Diameter Solar flow Diameter Solar return Diameter Condensate drain Diameter Heating flow Diameter Heating return Diameter Outdoor air... -
Page 34: Connection Examples
iNSTaLLaTiON Specification 10.2 Connection examples 10.3 Application range Example 1 : Without power-OFF periods Heating Steuerung XD02 XD03 XD01 4 XE03 Cooling 3/N/PE ~ 50Hz 400V 2/N/PE ~ 50Hz 230V 1/N/PE ~ 50Hz 230V Heat pump / Fan Electric emergency/booster heater Steuerung Control Underfloor heating thermostat (option) or safety equipment termi- nal for stove / fireplace... -
Page 35: Wiring Diagram
iNSTaLLaTiON Specification 10.5 Wiring diagram Wiring diagram key AA02 Integral control unit RF06 Ferrite core ring AA04 Inverter SF01 Reset button AA06 Programming unit XD01 Compressor/HP fan power supply BF01 Heating circuit flow rate sensor XD02 Instantaneous water heater (MFG) power supply BL01 Condensate float switch XD03... - Page 36 iNSTaLLaTiON Specification optional BT35 BT22 BT21 BT48 BT12 BT43 BT46 BT45 BT42 BT11 XD22 XD21 1 2 3 4 1 2 3 4 XD77 AA02-X24 XE08 XE09 1 2 3 4 1 2 3 4 L‘ L‘ L‘ BT35 XD04 21,22 BP12 BP11...
- Page 37 iNSTaLLaTiON Specification AA02 Integrierte Regelung AA04 Inverter BT30 BT29 BT20 BT44 BT40 XD04 BT45 BT42 BT11 BT02 BT01 AA06 Bedieneinheit BF01 Volumenstromsensor Heiz CAN 2 UP SOL UP HK2 BL01 Schwimmerschalter Konde BM03 Feuchtesensor Abluft BP01 Drucksensor Hochdruck BP03 Drucksensor Niederdruck 23 24 BP05 Druckwächter Hochdruck (...
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Page 38: Output Graph
Specification 10.6 Output graph LWZ 5 CS Premium Outside temperature [°C] max. W55 Heating output [kW] min. W35 max. W35 min. W45 max. W45 min. W55 LWZ 8 CS Premium Outside temperature [°C] max. W55 Heating output [kW] min. W35 max. -
Page 39: Fan Curve
iNSTaLLaTiON Specification 10.7 Available external head of the circulation pump X Flow rate [m 2 Pump rate 85 % Y Pressure [hPa] 3 Pump rate 65 % 1 Pump rate 100 % 4 Pump rate 45 % 10.8 Fan curve 0,30 0,35 0,40... -
Page 40: Data Table
iNSTaLLaTiON Specification 10.9 Data table The output data refers to new appliances with clean heat ex- changers. The power consumption of the integral auxiliary drives represents the maximum value and may vary subject to operating point. The power consumption of the integral auxiliary drives is included in the output details of the appliance (to EN 14511). - Page 41 iNSTaLLaTiON Specification LWZ 5 CS Premium LWZ 8 CS Premium Versions Refrigerant R410A R410A Refrigerant charge 2.95 2.95 equivalent (CO 6.16 6.26 Global warming potential of the refrigerant (GWP100) 2088 2088 IP rating IP1XB IP1XB Filter class, extract air ISO Coarse > 60 % (G4) ISO Coarse > 60 % (G4) Filter class, supply air ePM10 ≥...
- Page 42 NOTES 42 | LWZ 5/8 CS Premium www.stiebel-eltron.com...
- Page 43 NOTES www.stiebel-eltron.com LWZ 5/8 CS Premium | ...
- Page 44 Deutschland Verkauf Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de STIEBEL ELTRON GmbH & Co. KG Kundendienst Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de Dr.-Stiebel-Straße 33 | 37603 Holzminden Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de Tel.