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Alpha LW A Series Operating Manual

Air / water heat pumps
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AIR/WATER
Outdoor Installation
We reserve the right to modify technical specifications without prior notice.
83054200fUK
Translation of the original instruction manual
Operati ng Manual
LW A Series
LW H-A Series
© ait-deutschland GmbH
HEAT PUMPS
UK

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Summary of Contents for Alpha LW A Series

  • Page 1 Operati ng Manual AIR/WATER HEAT PUMPS Outdoor Installation LW A Series LW H-A Series We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH Translation of the original instruction manual...

  • Page 2: Please Read First

    Please read first Symbols This operating manual provides important information The following symbols are used in the operating manual. on the handling of the unit. It is an integral part of the They have the following meaning: product and must be stored so that it is accessible in the immediate vicinity of the unit.

  • Page 3: Table Of Contents

    Contents INFORMATION FOR OPERATORS AND QUALIFIED SPECIALISTS Safety temperature limiter ..........23 DISMANTLING .................23 PLEASE READ FIRST ..............2 TECHNICAL DATA / SCOPE OF DELIVERY SYMBOLS ..................2 LW 71A – LW 121A ............24 INTENDED USE ................4 LW 140A – LW 310A ............26 LW 100H-A –...

  • Page 4: Intended Use

    Intended use Safety The unit may be used only for the intended use. This The unit is operationally safe when used for the intend- means: ed purpose. The construction and design of the unit con- form to the state of the art, all relevant DIN/VDE regu- •...

  • Page 5: Customer Service

    For a current list and additional partners of the manufac- only with outside air as the heat source. Do not turer, please visit restrict or block the air-conducting sides. www.alpha-innotec.de Dimensional drawing and installation plan for re- www.alpha-innotec.com spective unit model.

  • Page 6: Operating Principle Of Heat Pumps

    Operating principle of heat Heat quantity recording pumps In addition to the proof of the unit’s efficiency, EEWaermeGalso meets the demand for a heat quantity Heat pumps operate on the principle of a refrigerator: recording (hereafter refered to as HQR). The HQR the same technology, only with the opposite effect.

  • Page 7: Care Of The Unit

    Care of the unit It is a good idea to have a maintenance contract with a heating installation company. The company will conduct the required maintenance at regular intervals. The outer surfaces of the unit can be cleaned with a damp cloth and household cleaning products.

  • Page 8: Scope Of Delivery

    Scope of delivery Inspect delivery for outwardly visible signs of dam- age… Example of scope of delivery: Check to make sure that delivery is complete… LW 71… / LW 81…(ONE PACKING UNIT): Any defects or incorrect deliveries must be claimed immediately.

  • Page 9: Installation And Assembly

    Installation and assembly ATTENTION Never use components and hydraulic connec- tions on the unit for purposes of transport. Observe the following when performing all work: NOTICE Always comply with applicable accident pre- ATTENTION vention regulations, statutory regulations, ordi- Do not damage the hydraulic connections under nances and directives.
  • Page 10 Loosen quick-release screws. Turn counter-clock- NOTICE wise 90°… Set up the unit so that the switch cabinet side (= operating side) is accessible at all times. PREPARING FOR INSTALLATION On both sides, pull lower facing panel upward and outward, detach and set securely aside. LW 71…...
  • Page 11 LW 101… through LW 180…: Lift unit by the pipes, with at least four persons, and place on the base. Make sure that the frame of the unit is in full contact with the underlying surface. LIFTING THE UNIT WITH A CRANE NOTICE Models LW 251…...

  • Page 12: Attaching The Air Flow Baffles

    • Pull each facing panel forward, detach from the unit and set securely aside… C Side view 2 1 lower facing panels ATTENTION Guide lifting straps past the fan on the side. Remove upper facing panels from unit… Make sure the straps do not press against the ventilator during transport.
  • Page 13 Install air flow baffles… ATTENTION Return top cover to frame… Remove the protective sheeting from the air flow baffles before installation • Suspend air flow baffles on the brass bushings on the top side of the frame… Suspend upper facing panels in the top cover. Bolt to the frame at bottom…...

  • Page 14: Installation / Connection To Heating Circuit

    INSTALLATION / CONNECTION TO HEATING CIRCUIT Install shut-off devices for the hot water outflow (forward flow) and hot water inflow (return flow) on the heat pump side… ATTENTION Connect the unit to the heating circuit accord- NOTICE ing to the hydraulic diagram for the respective model.

  • Page 15: Condensate Discharge

    CONDENSATE DISCHARGE LW 101… / LW 121… / LW 150H…: The condensate from the air must be discharged frost- free via a condensate pipe with a minimum diameter of 50 mm. For underlying surfaces that are permeable to water, it is sufficient to insert the condensate pipe ver- tically at least 90 cm into the ground.

  • Page 16: Buffer Tank

    Buffer tank Hot-water tank The hydraulic connection of the heat pump requires a If the heat pump will be used for heating hot water, you buffer tank in the heating circuit. The required volume of must integrate special hot-water tanks in the heat pump the buffer tank is calculated based on the following for- system.

  • Page 17: Electrical Connections

    Electrical connections POWER CONNECTION It is not necessary to open the electric switch cabinet in Observe the following when performing all work: order to connect the power to the heat pump. The pow- er is connected at the connection boxes on the water DANGER connection side.
  • Page 18 LW 140… THROUGH LW 310… HEAT PUMP SIDE CONNECTION OF THE CONTROL AND AND LW 320H…: SENSOR WIRES The heat pump is connected to the heating and heat pump regulator by means of the control and sensor wires. They are connected at the electric switch cabi- net on the switch cabinet side (= operator side) of the heat pump.
  • Page 19 LW 101… THROUGH LW 310… AND LW … H…: Screw control and sensor wires to the two connec- tors on the back of the electric switch cabinet… Proceed as follows: After connecting the control and sensor wires, fas- Screw control and sensor wires to the two connec- ten the electric switch cabinet in its original posi- tors on the side of the electric switch cabinet…...

  • Page 20: Rinsing, Filling And Bleeding The System

    Rinsing, filling and bleeding Operating manual of the heating and heat pump regulator. the system Seal empty pipes on unit side… Screw facing panels onto the heat pump… ATTENTION The system must be absolutely free from air be- Place lower facing panels diagonally into the frame, fore commissioning.
  • Page 21 - and regular servicing and maintenance are carried out. the heating fill and additional water, the heating water should also be appropriately conditioned. This is the A system log should be kept, in which the relevant only way to comply with the VDI 2035 requirements and planning data is entered (VDI 2035).

  • Page 22: Insulating The Hydraulic Connections

    Insulating the hydraulic Commissioning connections DANGER Insulate the vibration decouplers and the outside pipes Prior to commissioning the unit, the air of the heating circuit so that they are sealed against va- flow baffles must be mounted and the fac- ing panels closed.

  • Page 23: Safety Temperature Limiter

    Dismantling SAFETY TEMPERATURE LIMITER A safety temperature limiter is built into the electric heating element (depending on model). In the event of a DANGER malfunction in the heat pump or air in the system, check Danger of fatal injury due to electric whether the reset button of the safety temperature lim- current! iter has tripped.

  • Page 24: Technical Data / Scope Of Delivery

    Technical data / scope of delivery Model designation Heat pump type Brine/water ı Air/water ı Water/water • applicable ı — not applicable Installation location Indoors ı Outdoors • applicable ı — not applicable Conformity Performance data Heating capacity/COP at 2 Compressors kW ı...
  • Page 25 LW 71A LW 81A LW 101A LW 121A — ı • ı — — ı • ı — — ı • ı — — ı • ı — — ı • — ı • — ı • — ı • •...

  • Page 26: Lw 140A - Lw 310A

    Technical data / scope of delivery Model designation Heat pump type Brine/water ı Air/water ı Water/water • applicable ı — not applicable Installation location Indoors ı Outdoors • applicable ı — not applicable Conformity Performance data Heating capacity/COP at 2 Compressors kW ı...
  • Page 27 LW 140A LW 180A LW 251A LW 310A — ı • ı — — ı • ı — — ı • ı — — ı • ı — — ı • — ı • — ı • — ı • •...

  • Page 28: Lw 100H-A - Lw 180H-A

    Technical data / scope of delivery Model designation Heat pump type Brine/water ı Air/water ı Water/water • applicable ı — not applicable Installation location Indoors ı Outdoors • applicable ı — not applicable Conformity Performance data Heating capacity/COP at 2 Compressors kW ı...
  • Page 29 LW 100H-A LW 180H-A — ı • ı — — ı • ı — — ı • — ı • • • — 19,3 ı 3,7 10,4 ı 3,7 10,9 ı 3,8 — 19,7 ı 3,1 10,1 ı 3,1 10,4 ı 3,2 —...

  • Page 30: Performance Curves

    LW 71A Performance curves Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD Temp„ (°C) Temp„ (°C) ∆p (bar) ∆p” “” (m³/h) 823150 Legende: DE823129L/170408 Legend: UK823129L/170408 “” Volumenstrom Heizwasser “” Volume flow, heating water Temp„ Temperatur Wärmequelle Temp„ Temperature, heat source Heizleistung Heating capacity...

  • Page 31: Lw81A.

    Performance curves LW 81A Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD Temp„ (°C) Temp„ (°C) ∆p (bar) ∆p” “” (m³/h) 823151 Legende: DE823129L/170408 Legend: UK823129L/170408 “” Volumenstrom Heizwasser “” Volume flow, heating water Temp„ Temperatur Wärmequelle Temp„ Temperature, heat source Heizleistung Heating capacity...
  • Page 32 LW 101A Performance curves Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD Temp„ (°C) Temp„ (°C) ∆p (bar) ∆p” “” (m³/h) 823152 Legende: DE823129L/170408 “” Volumenstrom Heizwasser Temp„ Temperatur Wärmequelle Legend: UK823129L/170408 Heizleistung “” Volume flow, heating water Leistungsaufnahme Temp„...
  • Page 33 Performance curves LW 121A Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD Temp„ (°C) Temp„ (°C) ∆p (bar) ∆p” “” (m³/h) 823153 Legende: DE823129L/170408 “” Volumenstrom Heizwasser Temp„ Temperatur Wärmequelle Legend: UK823129L/170408 Heizleistung “” Volume flow, heating water Leistungsaufnahme Temp„...
  • Page 34 LW 140A Performance curves Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD Temp„ (°C) Temp„ (°C) ∆p (bar) ∆p” “” (m³/h) 823154 Legende: DE823129L/170408 “” Volumenstrom Heizwasser Temp„ Temperatur Wärmequelle Legend: UK823129L/170408 Heizleistung “” Volume flow, heating water Leistungsaufnahme Temp„...
  • Page 35 Performance curves LW 180A Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD 35°C 2VD 50°C 2VD Temp„ (°C) Temp„ (°C) ∆p (bar) 0,4000 0,3000 0,2000 p∆” 0,1000 0,0000 “” (m³/h) 823155 Legende: DE823129L/170408 “” Volumenstrom Heizwasser Temp„ Temperatur Wärmequelle Legend: UK823129L/170408 Heizleistung...
  • Page 36 LW 251A Performance curves Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD 35°C 2VD 50°C 2VD Temp„ (°C) Temp„ (°C) ∆p (bar) 0,4000 0,3500 0,3000 0,2500 0,2000 0,1500 0,1000 p∆” 0,0500 0,0000 “” (m³/h) 823156a Legende: DE823129L/170408 “” Volumenstrom Heizwasser Legend: UK823129L/170408...
  • Page 37 Performance curves LW 310A Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD 35°C 2VD 50°C 2VD Temp„ (°C) Temp„ (°C) ∆p (bar) 0,1000 0,0875 0,0750 0,0625 0,0500 0,0375 p∆” 0,0250 0,0125 0,0000 10,0 “” (m³/h) 823147a Legende: DE823129L/170408 “”...

  • Page 38: Lw 100H-A

    LW 100H-A Performance curves Qh (kW) Temp„ (°C) Pe (kW) 35°C 50°C 64°C Temp„ (°C) Temp„ (°C) ∆p (bar) ” ∆p “” (m³/h) 823161 Legende: DE823129L/170408 “” Volumenstrom Heizwasser Legend: UK823129L/170408 Temp„ Temperatur Wärmequelle “” Volume flow, heating water Heizleistung Temp„...

  • Page 39: Lw 180H-A

    Performance curves LW 180H-A Qh (kW) Temp„ (°C) Pe (kW) 35°C 1VD 50°C 1VD 64°C 1VD 35°C 2VD 50°C 2VD 64°C 2VD Temp„ (°C) Temp„ (°C) ∆p (bar) ” ∆p “” (m³/h) 823162 Legende: DE823129L/170408 Legend: UK823129L/170408 “” Volumenstrom Heizwasser “”...

  • Page 40: Sound Pressure Level

    Sound pressure level (in free field) LW 71… – LW 81… LW 101… – LW 310… und LW … H… dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) dB (A) LW71A,...

  • Page 41: Dimensional Drawings

    Dimensional drawings LW 71… • LW 81… Legend: UK819373 All dimensions in mm. Front view Side view PEP 030/2009 Top view Zust. Änderungstext Hot water outflow (forward flow) R1" Hot water inflow (return flow) R1" Condensate hose diameter 36 mm Air inflow Air outflow We reserve the right to modify technical specifications without prior notice.

  • Page 42: Lw 101A • Lw 100H-A

    LW 101A • LW 100H-A Dimensional drawings 1774 Key: UK819351d Legende: DE819351d Subject to technical change without notice. Technisches Änderungen vorbehalten. All dimensions in mm. Alle Maße in mm. Front view Vorderansicht Heizwasser Austritt (Vorlauf) R 1" Seitenansicht von links Heizwasser Eintritt (Rücklauf) R 1"...

  • Page 43: Dimensional Drawings

    Dimensional drawings LW 121A 1943 Legende: DE819435 Technische Änderungen vorbehalten. Alle Maße in mm. Key: UK819435 Heizwasser Austritt (Vorlauf) R 1" A Vorderansicht Subject to technical change without notice. Heizwasser Eintritt (Rücklauf) R 1" B Seitenansicht C Draufsicht Kondensatschlauch Außen- 36x3 All dimensions in mm.
  • Page 44 LW 140A • LW 180A • LW 180H-A Dimensional drawings 1931 1050 Legende: DE819436 Key: UK819436 Technische Änderungen vorbehalten. Alle Maße in mm. Subject to technical change without notice. All dimensions in mm. Vorderansicht Heizwasser Austritt (Vorlauf) R 1 1/4" Seitenansicht Heizwasser Eintritt (Rücklauf) R 1 1/4"...

  • Page 45: Lw 140A • Lw 180A • Lw 180H-Alw 251A

    Dimensional drawings LW 251A 1779 1258 Legende: DE819437 Technische Änderungen vorbehalten. Alle Maße in mm. Vorderansicht Heizwasser Austritt (Vorlauf) R 1 1/4" Seitenansicht Heizwasser Eintritt (Rücklauf) R 1 1/4" Draufsicht Kondensatschlauch Außen- 36x3 (Schnitt, ohne Fassade und Hutzen) Grundplatte Luftrichtung Key: UK819437 Subject to technical change without notice.
  • Page 46 LW 310A Dimensional drawings 1779 1258 Key: UK819326b Subject to technical change without notice. All dimensions in mm. Front view Side view Plan view (section, without façade and shrouds) Heating water outlet (flow) R 1 1/2" Heating water inlet (return) R 1 1/2" ÄM 00 ÄM 00 Condensate hose, outside Ø...

  • Page 47: Installation Plans

    LW 71… • LW 81… Installation plan 1000 1000 ≥ 1000 1000 ≥ ≥ 2740 2740 Legend: UK819374a All dimensions in mm. Front view Top view — - - — Unit contour Minimum clearances ≥ ... Recess in base Local heat pipe for heating water forward/return flow *) Empty pipe for electric cables, minimum diameter 70mm *) ÄM 999/201 Condensate discharge, minimum diameter 50mm *)

  • Page 48: Lw 101... • Lw 100H

    Installation plan LW 101… • LW 100H… >1300 ≥950 ≥2400 ≥4200 Legend: UK819375a All dimensions in mm. Front view Top view ≥ … Minimum clearances Recess in base ≥... Local heat pipe for heating water forward/return flow Empty pipe for electric cables, minimum diameter 70mm Condensate discharge, minimum diameter 50mm Water-permeable surface (gravel, …) in the air outlet area Base...
  • Page 49 LW 121… Installation plan >1500 ≥1100 ≥2500 ≥4550 Legend: UK819376 All dimensions in mm. Front view Top view ≥ … Minimum clearances ≥ ... Recess in base Local heat pipe for heating water forward/return flow Empty pipe for electric cables, minimum diameter 70mm Condensate discharge, minimum diameter 50mm Water-permeable surface (gravel, …) in the air outlet area Base...

  • Page 50: Lw 140

    Installation plan LW 140… – LW 180…A • LW 180H… >1700 ≥1350 ≥3050 ≥5300 Legend: UK819377a All dimensions in mm. Front view Top view ≥ … Minimum clearances ≥ ... Recess in base Local heat pipe for heating water forward/return flow Empty pipe for electric cables, minimum diameter 70mm Condensate discharge, minimum diameter 50mm Water-permeable surface (gravel, …) in the air outlet area...
  • Page 51 LW 251… Installation plan 2 3 4 >2000 ≥1500 ≥3000 ≥5350 Legend: UK819378 All dimensions in mm. Front view ≥ ... Top view ≥ … Minimum clearances Recess in base Local heat pipe for heating water forward/return flow Empty pipe for electric cables, minimum diameter 70mm Condensate discharge, minimum diameter 50mm Water-permeable surface (gravel, …) in the air outlet area Base...
  • Page 52 Installation plan LW 310… 2 3 4 >2000 ≥1500 ≥3000 ≥5350 Legend: UK819327 All dimensions in mm. Front view ≥ ... Top view ≥ … Minimum clearances Recess in base Local heat pipe for heating water forward/return flow Empty pipe for electric cables, minimum diameter 70mm Condensate discharge, minimum diameter 50mm Water-permeable surface (gravel, …) in the air outlet area Base...

  • Page 53: Terminal Diagram

    Terminal diagram LW 71A – LW 81A • LW 100H-A – LW 180H-A 3~PE/400V/50Hz 3~N/PE/400V/50Hz 3~N/PE/400V/50Hz 1~N/PE/230V/50Hz B10 A ZW2/SST We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 54: Lw 101A - Lw 251A

    LW 101A – LW 251A Terminal diagram 3~N/PE/400V/50Hz 3~N/PE/400V/50Hz 3~N/PE/400V/50Hz 1~N/PE/230V/50Hz B10 A ZW2/SST We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 55 Terminal diagram LW 310A 3~PE/400V/50Hz 3~N/PE/400V/50Hz 3~N/PE/400V/50Hz 1~N/PE/230V/50Hz B10 A ZW2/SST We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 56: Lw 71A • Lw 81A

    LW 71A • LW 81A Circuit diagram 1/2 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 57 Circuit diagram 2/2 LW 71A • LW 81A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 58: Lw 101A • Lw 121A

    LW 101A • LW 121A Circuit diagram 1/2 +10V 0-10V We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 59 Circuit diagram 2/2 LW 101A • LW 121A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 60 LW 140A Circuit diagram 1/2 +10V +24V We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 61 Circuit diagram 2/2 LW 140A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 62 LW 180A Circuit diagram 1/2 +10V +24V We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 63 Circuit diagram 2/2 LW 180A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 64 LW 251A Circuit diagram 1/3 +10V +24V We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 65 Circuit diagram 2/3 LW 251A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 66 LW 251A Circuit diagram 3/3 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 67 Circuit diagram 1/2 LW 310A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 68 LW 310A Circuit diagram 2/2 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 69: Lw 100H-A

    Circuit diagram 1/2 LW 100H-A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 70 LW 100H-A Circuit diagram 2/2 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 71: Lw 180H-A

    Circuit diagram 1/3 LW 180H-A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...
  • Page 72 LW 180H-A Circuit diagram 2/3 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 73: Lw 180H-A

    Circuit diagram 3/3 LW 180H-A We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

  • Page 74: Ec Declaration Of Conformity

    EC Declaration of Conformity EC Declaration of Conformity EC Declaration of Conformity in accordance with in accordance with in accordance with the EC Machinery Directive 2006/42/EC, Annex IIA the EC Machinery Directive 2006/42/EC, Annex IIA the EC Machinery Directive 2006/42/EC, Annex IIA The undersigned The undersigned confirms that the following designated device(s) as designed and marketed by us fulfill the...
  • Page 75 We reserve the right to modify technical specifications without prior notice. 83054200fUK © ait-deutschland GmbH...

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