About this operating manual 1.3 Symbols and identification markings This operating manual is part of the unit. Identification of warnings ► Before working on or with the unit read the operating manual carefully and follow it for all Symbol Meaning activities at all times, especially the warnings and Safety-relevant information.
1.4 Contact During the warranty and guarantee period, service work and repairs may only be carried out by personnel Addresses for purchasing accessories, for service authorised by the manufacturer. cases or for answers to questions about the unit and 2.3 Personal protective equipment this operating manual can be found on the internet at any time and is kept up-to-date: There is a risk of cutting your hands on sharp edges ●...
2.5 Disposal ● Cross-section reduction and blockages in components, e.g. heat exchanger, pipes, pumps Batteries ● Material fatigue ● bubbles cushion formation Improper disposal of the buffer battery damages the (cavitation) environment. ● Negative effect on heat transfer, e.g. formation of ► Dispose of the buffer battery in an environmentally coatings, deposits, and associated noises, e.g. compatible way according to the local regulations.
Description 4 Heating element 5 3-way changeover valve, heating circuit/ domestic hot water 3.1 Layout 6 Valve motor 7 Position of rating plate 8 Overflow valve NOTE 9 Venter This section essentially names 10 Electrical switch cabinet components relevant for fulfilling the tasks 11 Domestic hot water tank sensor described in this operating manual.
Control unit ● Expansion board for automatic changeover between heating and cooling mode (if available) ● Manual output control heating element (MLRH) for limiting the output of the electric heating element ● “Cooling package” for retrofitting type H units with a cooling function ● Heating circuit safety package ● Heat source circuit safety package 3.3 Function Liquid refrigerant is evaporated (evaporator), the energy for this process is environmental heat and...
Delivery, storage, transport Cooling and installation Cooling is integrated in type K units. Type H units can be retrofitted with the “Cooling package” accessories. The following options are possible for units with cooling function ( operating manual of the heating ATTENTION and heat pump controller): Damage to the housing and the unit components due to heavy objects.
5.3 Unpacking and transport Dispose of the mounting bracket, transport and packaging material in an environmentally friendly way according to local regulations. NOTE Remove the film from the plastic element of the The module box can be removed for transport front panel in the place of installation. (...
To avoid damage: On a handcart, load the unit on its NOTE side only. If several heat pumps of the same type are installed only one heat pump need to be taken into account. If several heat pumps of different types are installed, only the heat pump with the largest refrigerant volume needs to be taken into account.
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Close shut-off valves to the heating circuit. Use a spanner to close the shut-off valves of the heat source (behind the covers). Drain the unit via the filling and drain tap of the heat source. ► Unit without cooling: Drain the unit via the filling and drain tap of the heating. NOTE The hose connectors are not part of the scope of delivery with all KFE ball valves.
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10. Disconnect the hydraulic connections; to do this, push the pipes apart as far as necessary. Remove the insulation on the hydraulic connec- tions. 11. Remove the 2 side retaining screws. Remove 3 clips on the hydraulic connections. 12. To protect the floor and move the module box (3) more easily: place boards (4) under it, e.g.
6.3 Install the hydraulic connections 15. Pull out the module box completely and place it on the boards. ATTENTION Damage to the copper pipes due to unacceptable loading! ► Secure all connections against twisting. NOTE The heat source can be connected from the top, right or left.
6.4 Connect the electrical cables Connect the unit to the heat source, domestic water pipes and heating circuit ATTENTION Install shut-off devices at the connections of the Irreparable damage to the compressor due to heat source and heating circuit. wrong rotating field! Insert the vent at the highest point of the heat ►...
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Operate the controller via a PC /network Lay the control / sensor cables and unit supply cable and connect: During installation lay a shielded network cable ● Route cables through the reserve conduits (1) (category 6) through the unit. and (2) only, from above into the inside of the Plug the RJ-45 connector of the network cable unit into the socket of the control unit (1).
6.5 Installing the control panel NOTE The control can be inserted in a recess in the front panel of the unit or can be installed on the wall. 200 mm Insert the control in the unit and connect Push the cable through the opening in the front If required: Remove masking plate from the panel of the unit from below and into the control.
Route the LIN bus cable from the top right-hand Advantages of low-salt operation: side at the rear from the heat pump and plug into ● Low corrosion-promoting properties the control at the bottom. ● No formation of mineral scale Push the control onto the wall-mounted bracket. ●...
7.4 Vent the circulation pump of 7.5 Flush and fill the heating and the heat source domestic hot water charging circuit The front panel of the module box is unscrewed. Drain pipe of the safety valve is connected. NOTE The front panel of the module box is unscrewed. ...
Insulate hydraulic connections Position the valve motor (1) on the 3-way change- over valve (3). Insert the U-clip (2) into the floor of the valve mo- Insulate heating circuit, heat source and domestic tor. water pipes according to the local regulations. Open shut-off devices. Perform a pressure test and check for leaks. Insulate the internal piping of the module box with the insulation material from the separate pack included.
Set the overflow valve 10 Commissioning NOTE NOTE The first filling and initial startup of the ● The activities in this section are only nec- domestic hot water tank must be carried out essary for in-line tank integration. by qualified personnel. ● Complete the worksteps quickly, otherwise Relevant planning & design data of the system is the maximum return temperature can be documented in full.
11 Maintenance Check the domestic hot water tank and clean via the cleaning opening on the underside of the tank. After cleaning and testing, refill the domestic hot NOTE water tank. We recommend that you sign a maintenance Vent the domestic hot water tank and pipes via agreement with accredited heating the hot water taps in the apartments. company.
13 Dismantling and Disposal 12.1 Unlock the safety temperature limiter 13.1 Dismantling A safety temperature limiter is installed in the electric heating element. If the heat pump fails or there is air in Unit is safely disconnected from the power supply the system: and protected against being switched back on ►...
Dimensional drawings WZS 42(H)(K)3M – WZS 122(H)(K)3M ↑↓ ↑ ↓ >250 >250 Pos. Name Dim. Heating water outlet (flow) Ø 28 *) Heat source inlet (in heat pump) Ø 28 *) Pos. Bezeichnung Dim. optionally at the top, on the right or left Ø28 Heating water inlet (return) Ø...
Connections Dimensional drawings Heating circuit Rp 1" Ø28 Heating source Rp 5/4" Rp 1" Ø28 Rp 5/4" Rp 1" Ø35 Ø28 Ø35 Maßstab Allgemein- Oberflächen toleranz Werkstoff DIN ISO 2768 -cL Datum Name Benennung Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH Anschlussdim Erstellt 20.10.2015 Eberlein...
WZS 42(H)(K)3M – WZS 122(H)(K)3M Installation plan 1 1000 > 1 Keys: UK819448 All dimensions in mm. Version 1 Free space for service purposes Free space for functionally necessary accessories Legende: DE819448 Finished floor level Version 1 Rh min. Raumhöhe Minimum Rh min. minimum room height Freiraum für Servicezwecke Freiraum für funktionsnotwendiges Zubehör Oberkante Fertigfussboden...
WZS 42(H)(K)3M – WZS 122(H)(K)3M Installation plan 2 1000 > 1 Keys: UK819448 All dimensions in mm. Version 2 Free space for service purposes Free space for functionally Legende: DE819448 necessary accessories Version 2 Finished floor level Rh min. Raumhöhe Minimum Freiraum für Servicezwecke Rh min.
WZS 42(H)(K)3M – WZS 122(H)(K)3M Installation plan 3 > 600 > 1 > 1 > 600 > 1 > 1 Keys: UK819448 All dimensions in mm. Legende: DE819448 Version 3 Version 3 Legende: DE819448 Free space for service purposes Rh min. Raumhöhe Minimum Freiraum für Servicezwecke Finished floor level...
Hydraulic integration (heating) Unit variant H Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
Unit variant H with separate buffer tank Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
Hydraulic integration (cooling) Unit variant K Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
Circuit diagram 1/3 WZS 42(H)(K)3M – WZS 82(H)(K)3M Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
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WZS 42(H)(K)3M – WZS 82(H)(K)3M Circuit diagram 2/3 OUT1 OUT6 OUT17 PWM1 PWM2 OUT14 OUT13 Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
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Circuit diagram 3/3 WZS 42(H)(K)3M – WZS 82(H)(K)3M NTC11 blue NTC9 brown / blue white green yellow pink NTC12 NTC13 NTC14 NTC15 white / blue grey / brown pink / brown violet Black grey / pink red / blue Orange white / green Yellow /2.D7...
WZS 102(H)(K)3M – WZS 122(H)(K)3M Circuit diagram 1/3 Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
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Circuit diagram 2/3 WZS 102(H)(K)3M – WZS 122(H)(K)3M OUT1 OUT6 OUT17 PWM1 PWM2 OUT14 OUT13 Subject to change without notice | 83056600dUK – Translation of the original operating manual | ait-deutschland GmbH...
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WZS 102(H)(K)3M – WZS 122(H)(K)3M Circuit diagram 3/3 NTC11 blue NTC9 brown / blue white green yellow pink NTC12 NTC13 NTC14 NTC15 white / blue grey / brown pink / brown violet Black grey / pink red / blue Orange white / green Yellow /2.D7...
EC Declaration of Conformity The undersigned confirms that the following designated device(s) as designed and marketed by us fulfill the standardized EC directives, the EC safety standards and the product-specific EC standards. In the event of modification of the device(s) without our approval, this declaration shall become invalid.
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GmbH Industriestraße 3 D-95359 Kasendorf, Germany E info@alpha-innotec.de W www.alpha-innotec.de alpha innotec – an ait-deutschland GmbH brand...
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