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ENGLISH

THERMITAL MODEX ACS 40 E

The 

ACS 40 E

 is an instant domestic hot water mixer. It uses a brazed, stainless steel plate heat exchanger and is desi-

gned for use in combination with DHW storage cylinders.

The product is equipped with two filling/drain cocks. When the shut-off valves are closed, these can also be used to flush 

out the heat exchanger.

A domestic hot water recirculation kit is available for further convenience.

The 

ACS 40 E

 instant hot water mixer comes complete with an insulated frame.

Description 

Qty.

1  DHW mixer in packing 

1

2  Instruction manual 

1

DESCRIPTION

CONTENTS OF KIT

GENERAL SAFETY INFORMATION AND PRECAUTIONS

READ THIS MANUAL THOROUGHLY BEFORE PERFORMING ANY WORK ON THE PRODUCT.

The manufacturer reserves the right to modify the product without notice for the purpose of introducing technical im-

provements or to facilitate production, installation and positioning. The illustrations in this manual may therefore differ 

slightly from the actual product. The safety of the product and the accuracy of the instructions provided are nevertheless 

guaranteed.

This manual forms an integral part of the product itself and must be kept in a safe place in order to avoid damage and to 

permit rapid consultation throughout the working life of the product.

Ideally, this manual should be kept with the product where it can be consulted whenever needed. The manual should 

always accompany the product if sold or transferred to a new owner, or stay with it if the owner moves house and leaves 

it behind, so that the next user can consult it.

cod. Doc-0072219 - Rev. 4 (05/17)

Summary of Contents for MODEX ACS 40 E

Page 1: ...WORK ON THE PRODUCT The manufacturer reserves the right to modify the product without notice for the purpose of introducing technical im provements or to facilitate production installation and positio...

Page 2: ...h leakage breaker in accordance with appli cable standards Correct functioning is only guaranteed provided the product is used with the pump for which it is designed The manufacturer cannot be held re...

Page 3: ...e with temperature sensor primary outlet 5 Pump primary circuit 6 Ball valves DN 20 3 4 F 1 M secondary circuit 7 Red knob for ball valve DHW outlet 8 Blue knob for ball valve cold water inlet 9 Non r...

Page 4: ...orage cylinder at 55 C and DHW water delivery at 10 45 C 94 0 kW Water draw at 10 45 C with storage cylinder at 55 C 38 5 l min Thermal power absorbed with storage cylinder at 60 C and DHW water deliv...

Page 5: ...M1 1283 75PWM1 800 85PWM1 p kPa H m P1 W Q m h Q l s Q Igpm Q m h max m ax Wilo Yonos Para RS 15 7 0 20 7 0 25 6 30 7 0 1 230 V Rp1 2 Rp3 4 Rp1 Rp1 1 4 n 1 min PWM 1 45 40 40 45 50 55 60 65 70 75 80 8...

Page 6: ...MP RS RP EAFS UACS 480 100 80 75 55 45 225 840 ACS 40 E MP Primary inlet 1 M 3 4 F RP Primary outlet return 1 M 3 4 F EAFS Domestic cold water inlet 1 M 3 4 F UACS DHW outlet 1 M 3 4 F RS Recirculati...

Page 7: ...G DIAGRAM S5 S4 LATO SONDE E CONTROLLO LATO ALIMENTAZIONE 230 V SENSOR AND CONTROL TERMINALS 230 V POWER TERMINALS S4 Storage cylinder top sensor S5 Storage cylinder bottom sensor Connect to controlle...

Page 8: ...The manufacturer s responsibility ends with the supply of the product The product must be installed in conformity to applicable standards by suitably qualified persons employed by a company that assum...

Page 9: ...rage cylinder in order to avoid unnecessary heat loss from the connecting pipes b b Handle with care Remove the product from its packaging and remove the polypropylene cover Drill the wall at the posi...

Page 10: ...iency of the water heating system The ACS 40 E hot water mixer is made from materials that conform to the requirements of Ministerial Decree 174 2004 Italy implementing Council Directive 98 83 EC All...

Page 11: ...ROCEDURE PRIMARY CIRCUIT b b Fill and bleed the primary circuit with the water at ambient temperature Open the primary circuit inlet and outlet ball valves Set the controller for operation in manual m...

Page 12: ...d by the technician and by the user of the system before installing setting and operating the controller All accident prevention directives IEC standards local power utility regulations pertinent EN s...

Page 13: ...nces dispose of the controller with ordinary household refuse Dispose of the controller only at designated collection points or return it to the dealer or manufacturer TECHNICAL SPECIFICATIONS Electri...

Page 14: ...AN CAN VFS2 VFS1 V2 S6 Control circuit max 12 VAC DC Terminal Connection for S1 Recirculation optional S2 Cold water S3 Primary circuit flow rate optional S4 Top of storage cylinder S5 V1 PWM signal p...

Page 15: ...s of key functions increase decrease values scroll menu up down yes no confirm cancel Info additional information Back return to previous screen ok confirm selection Confirm confirm setting Finally ac...

Page 16: ...ure measured is the temperature at the outlet of the heat exchanger which could differ from that measured at the taps Small fluctuations in temperature at the taps are compensated generally by mixing...

Page 17: ...it settings 4 1 Tset The MFWC controller maintains a constant recirculation temperature by controlling the speed of the hot water pump 4 2 Tmax Maximum draw off temperature at the vor tex flow sensor...

Page 18: ...es the return to the centre or bottom of the storage cylinder on the basis of temperature This menu sets the temperature differential between the return and the storage cylinder If return temperature...

Page 19: ...is no lower than 0 C and no higher than the Tmin recirculation setpoint Settings range On Off Default see table 5 4 Seizing protection If seizing protection is active the controller switches on the re...

Page 20: ...lt setting for Relay 1 is Always on The default setting for Relay 2 is Recirculation Bear in mind that recirculation settings only appear in the settings menu if the recirculation function is activate...

Page 21: ...l high efficiency pump If a pump function is ac tivated e g recirculation solar additional pump etc the additional settings and speed control for pump V2 must also be set See the technical specificati...

Page 22: ...nction is active the clock updates automatically when Daylight Saving Time DST commences and finishes 6 15 Sleep mode When sleep mode is selected the display goes blank after two minutes of inactivity...

Page 23: ...rs etc 9 LANGUAGE Menu 9 Language can be used to select the language in which menus are displayed and navigated Selection is prompted automatically at start up The choice of languages may differ depen...

Page 24: ...se limescale to form in the heat exchanger REPLACING THE FUSE b b Repairs and maintenance must be entrusted exclu sively to an expert service technician Disconnect the controller from the electricity...

Page 25: ...g protection Daily Weekly Off Off 6 SPECIAL FUNCTIONS 6 1 1 Pump type 0 10V PWM PWM 6 1 2 Pump Solar Heating Profile 1 11 Manual Heating 6 1 3 Output signal Normal inverted inverted 6 1 4 PWM off Sola...

Page 26: ...the checks listed in the table below DESCRIPTION OK All automatic or manual filling pumps removed Safety valve calibrated to 6 bar and flow open Drain pipe from safety valve routed suitably Expansion...

Page 27: ......

Page 28: ...Legnago VR www thermital it The manufacturer strives to continuously improve all products Appearance dimensions technical specifications standard equipment and accessories are therefore liable to modi...

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