Related Manuals for Eco Heating Systems CD+80
Summary of Contents for Eco Heating Systems CD+80
- Page 1 CD + 80 - 100 - 120 - 150 - 180 Wall hung high efficiency water heater Installation, user and service instructions BASE VERSION E93.1001EN.C...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ……………………….………………………................6 SAFETY GUIDELINES ............................. 6 .............................. 6 ENERAL ................7 MPORTANT TECHNICAL WARNINGS AND GUIDELINES ............................9 AFETY VALVE TECHNICAL DATA CD WATER HEATERS ....................10 ........................ 10 UNCTIONAL INTRODUCTION ....................11 ECHNICAL SPECIFICATIONS DATASHEET ERP ....................12 ABLE TECHNICAL SPECIFICATIONS DIMENSIONS .............................. - Page 4 THE CD SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS ............. 40 ..........................40 SYSTEM Stand-alone set-up ........................40 Cascade set-up..........................41 ............................42 ONTROL Tank sensor ........................... 42 General control ..........................42 Cascade control ..........................42 ............43 ATER HEATER AND TANK CONNECTIONS AND CONNECTION SIZES Connecting the tank to the water heater ..................
- Page 5 CASE General remarks ........................101 Checking and adjusting at minimum load CD+80 / CD+100 ............ 101 Checking and adjusting at maximum load CD+120 / CD+150 / CD+180 ........ 102 Checking and adjusting at minimum load CD+120 / CD+150 / CD+180 ......... 102 14.4...
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Page 6: Introduction
system design engineer the service engineer the user abbreviations Eco Heating Systems Groningen B.V. NOTICE symbols Warning: important information related to the safety of persons and/or the appliance terminology Flow Water heater hot water out... -
Page 7: Important Technical Warnings And Guidelines
Important technical warnings and guidelines For FAULT CODES in this manual see Ch. 16 on page 105 The EHS Domestic Hot Water systems will, for a long period, comfortably meet your requirement of hot water of the right temperature at the right hour, provided that a few important conditions have been fulfilled regarding the installation. - Page 8 Warnings and guidelines (continuation) EHS is not liable for any damage caused by inaccurately following these mounting instructions. Only EHS parts may be used when carrying out any repair or service works. Do not use chlorine based products for brazing. When commissioning the water heater, the running of the water heater pump must be checked before leav- ing the installation.
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Page 9: Safety Valve
Safety valve Between the water heater and the safety valve, DO NOT apply a closing valve or any other form of narrowing, because this might disturb the correct functioning of the safety valve. The right safety valve has been supplied with the CD water heater. -
Page 10: Technical Data Cd Water Heaters
TECHNICAL DATA CD WATER HEATERS Functional introduction The CD water heaters are heaters with a maximum high efficiency. Such a performance can be reached by, amongst other things, using a special heat exchanger made of stainless steel. This allows the flue gases to cool down below the condensation point, and so release extra heat. -
Page 11: Technical Specifications Datasheet
Technical specifications datasheet GENERAL Product Identification number CE 0063 BR3190 Classification II2EK3B/P (Country depending) Gas Appliance Type B23, B23P, C13, C33, C43, C53, C63, C83 Type water heater Dimensions (h x w x d) 842 x 476 x 486 898 x 476 x 677 Water content est. -
Page 12: T Able Technical Specifications Erp
Type water heater EMISSION [EN437] Nominal values at min-max load: G25.3/G20 8,7 - 9,0 8,7 - 9,0 8,7 - 9,0 8,7 - 9,0 8,7 - 9,0 flue gas 9,3 - 10,3 9,3 - 10,3 9,3 - 10,3 9,3 - 10,4 9,3 - 10,5 min-max G30/G31 B/P... -
Page 13: Dimensions
DIMENSIONS Water heaters CD 80 – CD TWIN PIPE CONCENTRIC twin pipe concentric Connections (mm/ ” ) flue gas Ø80 Ø100 Ø 80 Ø100 air inlet Ø80 Ø100 Ø125 Ø150 cold wa- R 1½” R 2” R 1½” R 2” (swivel) ter inlet (swivel) -
Page 14: Water Heaters Cd + 150 And Cd
Water heaters CD 150 and CD TWIN PIPE CONCENTRIC twin pipe concentric Connections (mm/ ” ) 150-180 150-180 flue gas Ø130 Ø100 air inlet Ø130 Ø150 Rp 2” Rp 2” cold water inlet (swivel) (swivel) Rp 2” Rp 2” hot water outlet (swivel) (swivel) gas (male) -
Page 15: Cd + Tanks Ewd300 - Ewd450 - Ewd750
tanks EWD300 - EWD450 - EWD750 For the connections marked A-H see § 9.3.2 on page 43-44. EWD300 EWD450 E93.1001EN.C Manual CD... -
Page 16: Erp Specifications Ecohs Tanks
EWD750 ERP specifications Ecohs tanks. Type EWD300 EWD450 EWD750 Energy efficiency class Standing loss (S) Watt 96,3 114,2 142,08 Volume (V) litre E93.1001EN.C Manual CD... -
Page 17: Cascade Frames Cd + 80 - Cd + 180
Cascade frames CD 80 – CD Frames for two, three and four water heaters CD 80 up to CD E93.1001EN.C Manual CD... - Page 18 E93.1001EN.C Manual CD...
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Page 19: Accessories And Unpacking
ACCESSORIES AND UNPACKING Accessories Depending on the selected way of controlling the system, the following items can be supplied with the water heater. Ask your supplier for the specifications. Item Part Nº. External DHW-Tank threaded temperature sensor 10kOhm@25°C (supplied with the wa- E04.016.677 ter heater), to be mounted in the screw hole on the tank outlet to the water heater External DHW-Tank pipe temperature sensor 10kOhm@25°C for tank types without... -
Page 20: Fluegas And Air Supply Parts - Concentric
Fluegas and air supply parts - CONCENTRIC: Water heater type: CD80 CD100 + CD120 CD150 + CD180 Concentric pipe diameters air and flue: Ø80/125 Ø100/150 Ø100/150 Conversion kit twin pipe to concentric E61.001.170 E61.001.171 E61.001.172 Flue gas pipe SS L=1000mm E04.018.016 E04.018.005 E04.018.005... -
Page 21: Installation Of The Cd
INSTALLATION OF THE CD General notes At every side of the water heater at least 50 mm of clearance should be applied to walls or wall units, 350 mm above the top side of the water heater and 250 mm from the bottom of the water heater. The installation area/room must have the following provisions: •... -
Page 22: Mounting The Water Heater And Tank
Mounting the water heater and tank ATER HEATER MOUNTING Before mounting and installing the water heater the following connections should be considered: • Flue gas system and the flue gas pipe connections • Air supply system and connections • ‘Cold in’ and ‘hot out’ pipe connection •... -
Page 23: Flue Gas And Air Supply System
FLUE GAS AND AIR SUPPLY SYSTEM General The water heater has a positive pressure flue system. The available combined pressure drop for the inlet and outlet system, for a single water heater, is 200 Pa for the complete water heater range. For a multiple water heater installation, always contact the manufacturer for advice. -
Page 24: Water Heater Categories - Types Of Fluegas Systems
Water heater categories - types of fluegas systems. For C43 and C83 see cascade manual: http://www.ecohs.nl/products/ambassador-/documentation/ Type according EN 15502-2-1: 2012 Performance Description B23(P) Open * Roof terminal Air supply from * Without draught diverter Flue outlet room * Water heater room air supply. * P = overpressure systems See chapter: Accessories –... -
Page 25: C63 Certified
Closed *Separate air supply duct Flue outlet Air supply from *Separate flue gas discharge duct. outside * Air supply inlet and flue gas outlet at differ- ent air pressure zones. But not at opposite walls. See chapter: Accessories – Fluegas and air supply parts - TWIN PIPE Air inlet See: Six typical examples - example F C63 - example... -
Page 26: Air Supply
A few examples of flue gas material suitable for ECO water heaters: CE String for Plastic PPs: EN14471 T120 P1 W 2 O(30) I C/E L CE String for Stainless Steel: EN1856-1 T250 P1 W V2-L50040 O (50) When selecting flue gas systems, be aware that the minimum requirements are met. So only select flue gas ma- terials having the same or better properties than this table. -
Page 27: Flue Gas And Air Supply Resistance Table
Flue gas discharge and air supply: elaborated examples In the next sections, six calculation examples will be given to determine maximum lengths of the flue gas and air supply pipes. First, the component resistance data are given in the next table: LUE GAS AND AIR SUPPLY RESISTANCE TABLE FLUE GAS PIPING RESISTANCE [Pa]... -
Page 28: Six Typical Examples
Six typical examples Twin pipe system with separate pipes for flue gas and air supply Twin pipe system with separate pipes and concentric roof terminal Single pipe for flue gas outlet only (air supply from water heater room) B23 Concentric pipe for flue gas/air supply (roof-mounted) Concentric pipe for flue gas/air supply (wall-mounted) Separate air supply duct &... - Page 29 Examples A (C63) and B (C33) maximum pipe lengths Concentric roof terminal concentric/parallel adaptor Flue outlet Air inlet Example B Example A Example A max. pipe length water heater type → Diameter air inlet [mm] Diameter flue outlet [mm] Diam. roof terminals [mm] Maximum pipe length 18,0...
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Page 30: Example C: Single Flue Gas Outlet. Air Supply From Water Heater Room (B23, B23P)
C: S (B23, B23P) XAMPLE INGLE FLUE GAS OUTLET IR SUPPLY FROM WATER HEATER ROOM Calculation example with given lengths: checking resistance Water heater type: Diameter: 100 mm Number Pa total Straight tube m¹ total Bend 90° Bend 45° Flue outlet H/D = 1,0 15,2 15,2... -
Page 31: Example D: Concentric C33 (Roof-Mounted)
D: C C33 ( XAMPLE ONCENTRIC ROOF MOUNTED Calculation example with given lengths: checking resistance Water heater type: Diameter: 80/125 mm. Number Pa total Straight tube m total Bend 90° Bend 45° Concentric terminal roof Total resistance flue gas outlet and air supply (concentric): The total resistance is less than 200 Pa. - Page 32 Examples D and E maximum pipe lengths concentric roof terminal concentric wall terminal Example D Example E Example D (C33) water heater type → Diameter concentric pipe [mm] 80/125 100/150 100/150 NOT POSSIBLE Concentric roof terminal [mm] 80/125 100/150 100/150 (choose B,C or E) Maximum pipe length 12,0...
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Page 33: Example F: Separate Air & Flue Pipes In Different Pressure Zone (C53)
F: S & (C53) XAMPLE EPARATE AIR FLUE PIPES IN DIFFERENT PRESSURE ZONE Flue outlet Air inlet Example F Example F (C53) water heater type → Diameter wall terminal [mm] Diameter air inlet [mm] Diameter air inlet/ flue outlet [mm] Diameter roof terminal [mm] Maximum pipe length... -
Page 34: Electrical Installation
ELECTRICAL INSTALLATION General All the wiring is connected to a separate connector that is fitted in a socket. The connector can be taken from the sockets without loosening the wiring. The connections are placed on top of the display panel and can be accessed by removing the water heater front door and the connector protection cover. -
Page 35: Sensor Values
13-14 ON/OFF STAT OR OPENTHERM WATER TANK OPTION 1: an ON/OFF thermostat can be connected. The water heater will use the set/programmed tank tem- perature when these terminals 13 and 14 are bridged. OPTION 2: an OpenTherm (OT) controller can be connected to the terminals 13 and 14. The water heater soft- ware will detect and use this OpenTherm signal automatically. -
Page 36: Electrical Schematics
Electrical schematics internal connections ionisation and /or ignition siphon pressure switch (PSW) N.C. display ref.1 clixon/maximum (S7) water thermostat 24vdc CN15 fan Hall CN10 fan control fan PWM +24Vdc flow sensor ntc (S1) 10K CN12 CN11 flue sensor ntc (S6) 10K return sensor ntc (S2) 10K (water pressure sensor connection) Not used... - Page 37 boiler casing ignition transformer incl. ionisation input. WIRING COLORS K0=white K6=blue K1=yellow K7=red K2=brown K8=black K3=green K9=purple K4=grey K10=yellow/green K5=orange CN not used CN10 When using a RCW controller: Rewire terminal as shown so CN5 7/8 are bridged. LOCK-OUT BURNER HEAT BURNING DEMAND...
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Page 38: De Cd + Water Heater
DE CD WATER HEATER Water quality In direct water heating appliances the water flows directly through the heat exchanger of the water heater. Because all the time fresh water, containing dissolved minerals, is heated, scaling may occur. To prevent this, water quality must meet a number of standards. The values are the following: Water temperature max. -
Page 39: Flow Monitoring
Flow monitoring Flow In the control of the water heater an extensive flow monitoring function has been implemented. If the temperature difference between incoming cold water and outgoing hot water gets too high, this indicates a too small water flow through the appliance. -
Page 40: The Cd + Sanitairy System: Installation Instructions
THE CD SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS The CD system The system as a whole is set up as shown in the next two examples, the first showing a combination of one water heater and one tank, the second showing a combination of three water heaters and two tanks. Other combinations are possible as well. -
Page 41: Cascade Set-Up
ASCADE SET water heaters and tanks can be installed cascaded in a number of possible combinations according to the instructions in the next paragraphs. For the installation of cascaded water heaters and tanks, always consult the tables in § 9.5. All requirements concerning pipe diameters and lengths as well as pump selection are presented or- derly here. -
Page 42: Control
Control ANK SENSOR With the CD water heater, a threaded sensor is supplied as tank sensor. On a new ECO tank, this sensor can be mounted on the return pipe right away. The use of this threaded sensor is also recommended for existing tank set-ups, because its con- trolling behaviour is more stable than that of the strap-on pipe sensor. -
Page 43: Water Heater And Tank: Connections And Connection Sizes
Water heater and tank: connections and connection sizes ONNECTING THE TANK TO THE WATER HEATER • Connect the pump by means of couplings and a piece of copper pipe to connection A of the water heater (note the flow direction of the pump). •... -
Page 44: Condensate Drain Connection
Tank connection sizes: Code Connection M / F Remarks EWD300 EWD450 EWD750 incl. reducing ring R 2" R 2" R 2" return to water heater excl. reducing ring R 1½" R 1½" R 1½" incl. reducing ring R 2" R 2" R 2"... -
Page 45: Cascade Systems: Pipe Codes
Cascade systems: pipe codes NTRODUCTORY NOTES TO THE USE OF THE TABLES With the tables in § 9.5 (page 47 up to 49) the diameters of the several connection pipes in a cascade can be assessed. To use the tables in a straightforward manner, water heaters are numbered and pipes are encoded in this manual. Connect all water heaters and tanks according to the scheme below (Tichelmann system). -
Page 46: Equivalent Length
PIPE CODES WATER HEATER SIDE Pipe codes for an installation of only one water heater: There’s only one hot- and one cold-water pipe, both encoded D1, and also the main connection diameter D = D1. So water heater sided only one pipe diameter is needed. Values in table A, § 9.5.1 Pipe codes for cascades of two or more water heaters: First number the water heaters: water heater-1 is the one of which the hot-water-out connection is found the furthest away from the tank(s). -
Page 47: Diameters - Tables
Diameters – tables General remark: diameters may never be chosen smaller than specified in the tables; flow must remain guaran- teed. ATER MANIFOLDS Numbering according to figure 9.1, page 45: Water heater-1 is the one whose hot water connection is the furthest away from the tank(s). For the hot water flow pipes start numbering from D1 at water heater-1 For the cold water return pipes start numbering reversely: from D1 at water heater-number-last Tables: all codes according to figure 9.1 on page 45. - Page 48 Diameters D ( = TANK in- and outlet) number of cascaded water heaters 1 tank 421,4 671,9 802,1 802,1 932,3 1062,5 1062,5 1332,8 2 tanks 351,3 421,4 541,5 671,9 671,9 802,1 802,1 802,1 3 tanks 281,2 351,3 421,4 541,5 541,5 671,9 671,9 671,9...
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Page 49: Equivalent Lengths - Table
Equivalent lengths – table When the water heaters and tanks are separated over some distance, the interconnecting pipes may only have a certain maximum length, dependent of the number of bends and the like components. For every applied compo- nent a so-called ‘equivalent length’ is deducted from the total allowed. The meaning of the connection ‘VL’... -
Page 50: Pump Selection - Tables
Pump selection – tables Pump selection is important, because, in combination with the system’s total resistance, it sets the water velocity in water heater and pipes. The right water velocity is essential for correct functioning and life time of the system. UMP SELECTION Select the pump for your CD -installation using the following tables, by looking up, in the table that relates to the... -
Page 51: Nominal Flow Per Water Heater Type
number of cascaded water heaters 1 tank 2 tanks 3 tanks 4 tanks 5 tanks 6 tanks 7 tanks 8 tanks Table F: Pump table (continuation) REPEAT: An X in the pump table doesn’t necessarily mean that the corresponding installation cannot be built. If it can, it will need specific design effort and pump selection. -
Page 52: Elaborated Examples
Elaborated examples To work out the examples in this section, the rules of page 45 ff. are given again: 1. Codes to a one water heater installation: − There’s only one flow pipe and one return pipe, both encoded D1. For the right diameter value see table A in §... -
Page 53: Two Cd + 100 Water Heaters With Two Ewd450 Tanks
EWD450 WATER HEATERS WITH TWO TANKS Example 2 KOUD IN COLD IN 2 water heaters 2 tanks EWD450 Water heater connections, encoding: For this system rule 2 must be applied. Number the water heaters: water heater-1 is the water heater furthest from the tank(s), see picture. Encode de connection pipes directly connected to the water heaters: D1, see picture. -
Page 54: Three Cd
EWD750 HREE WATER HEATERS WITH FIVE TANKS Example 3 3 water heaters tanks COLD IN KOUD IN 5 tanks EWD750 Water heater connections, encoding: For this system rule 2 must be applied. Number the water heaters: water heater-1 is the water heater furthest from the tank(s). Encode de connection pipes directly connected to the water heaters D1, see picture. - Page 55 So for this system, sizes of at least 541,5 [mmmm] are to be applied for all pipes directly connected to the water heaters and tanks, and pipes sized at least 1062.5 [mmmm] for the connections between the casca- ded water heaters and the tanks. The pipes D2 in the cascade must be at least 932,3 [mmmm]. D1 en D = 54 x 1.5 = 93 x 2.3...
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Page 56: User Interface
USER INTERFACE 10.1 Control panel menu structure BASE SCREEN : (appears during operation) WTRHTR : No demand / Standby / burning NOTICE: Pressing too > > > : 1 1 8 ° C ( 1 2 5 ° C ) long will switch off the water heater. - Page 57 HOW TO CONFIRM CHANGES When changes have been made in one of the nine menus below, the user presses ENTER to confirm these changes. To prevent anyone from making changes by mistake, the following happens when changes are made: Step 1: The user presses [ENTER] to confirm the change made or [MENU] to exit the menu without changes.
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Page 58: Control Panel Display And Keys
10.2 Control panel display and keys DISPLAY 2 rows / each 20 characters ON/OFF MENU RESET ENTER COMM. PORT SERVICE Press and hold for three seconds for stand-by/progr. mode ON/OFF Press and hold for six seconds to switch boiler on/off. RESET ENTER Used as RESET and ENTER button when programming. -
Page 59: Display During Operation
10.3 Display during operation During normal operation the text in the display shows the status of the water heater. In the following graphs the several displays during normal operation are explained. Display at WATER HEATER / HOT WATER DEMAND Heat demand type: Actual status: W A T R H T R : S T A N D - B Y... -
Page 60: Monitor Screens
10.4 Monitor screens During normal operation and standby, the [◄] and [►] buttons can be used to show some water heater infor- mation, including measured temperatures, settings and data. In the following graphs is explained which values can be shown in the display. When no button is activated for three minutes, the display will return to its status display. - Page 61 SCREEN: 11 C a s c D e s i g n 0 = MASTER, 1 ..11 = SLAVES C a s I n f 0 1 2 3 4 5 6 7 8 9 A B Displays number, priority and state of cascade water heaters. DESCRIPTION "CASCINFO"...
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Page 62: Service Function
10.5 Service function The following graphs describe how to use the service function. Operating screen: W A T R H T R : S T A N D - B Y > > > : 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C ) Press [SERVICE] and hold for 3 seconds. -
Page 63: Schornsteinfeger Function
10.6 Schornsteinfeger function The following graphs describe how to use the Schornsteinfeger function. NOTICE: This function is required for Germany and can be activated by parameter (P5 BK). The standard factory setting for this function is “OFF”. The purpose of this function is to have an easy interface for the "Schorn- steinfegers"... -
Page 64: Programming In Standby Mode
10.7 Programming in standby mode Standby Use the standby mode for modifying water heater settings without interaction with the water heater control. Changes are effectuated by leaving standby mode. Properties of standby mode: • Keys are active and the menu is accessible. •... -
Page 65: Set Points
10.9 Set points The following graphs describe how to program the hot water set points. NOTICE: Heating set point normal/day time: (parameter P4 AA = 1/2) The max. actual DHW tempera- ture will never exceed the value D H W s e t p o i n t set at Heating Setpoint Regard- °... -
Page 66: 10.11 Hot Water Program
10.11 HOT WATER PROGRAM > > > From previous page < < < Setting DHW program times: P r o g r a m D H W M o n 2 3 : 0 0 Press [►] to browse through the values that can be set at the bottom line. -
Page 67: 10.12 Anti Legionnaires' Disease Program
10.12 ANTI LEGIONNAIRES’ DISEASE PROGRAM See the following description. The standard factory setting for this function is “OFF”. > > > From previous page with HOT WATER part < < < Setting legionella program (day and time): P r o g r a m L e g i o n e l M o n 0 9 : 5 1... -
Page 68: 10.13 Checking The Operating History
10.13 Checking the operating history The following graphs describe how to check the operating history of the water heater. Operating screen: W A T R H T R : b o i o f f > > > : 1 2 3 . 4 ° C 1 2 3 . -
Page 69: 10.14 Checking The Fault History
10.14 Checking the fault history The following graphs describe how to check the fault history of the water heater. Operating screen: W A T R H T R : b o l e r o f f > > > : 1 2 3 . 4 °... -
Page 70: 10.15 Setting The Maintenance Specifications
10.15 Setting the maintenance specifications MAINTENANCE SETTINGS The unit can be programmed in such a way that an automatic maintenance message is displayed. There are three options that can be selected. A maintenance message appears after: * A programmed date is reached. * An amount of burning hours is reached. - Page 71 From previous page Screen: Selecting message at certain date. M a i n t e n M o d e D a t e Press [►] to set: The date for the maintenance message. Press [◄] to: Return to maintenance mode selection. Press [►] to browse through the values that can be set at the bottom line.
- Page 72 From previous page Screen: Message after total amount of burning hours. M a i n t e n M o d e B u r n i n g h o u r s Press [►] to set: The total amount of burning hours for the maintenance message. Press [◄] to: Return to maintenance mode selection.
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Page 73: 10.16 Setting The User Lock
10.16 Setting the user lock The following graphs describe how to activate the user lock of the display. The standard factory setting for this function is “OFF”. The "USER LOCK" menu. In this menu the water heater can be locked for (end-)users. 0 = UNLOCKED 1 = LOCKED When the water heater is unlocked, the user can enter the... -
Page 74: 10.17 Setting The Parameters At The Control Panel
10.17 Setting the parameters at the control panel The functions of the controller are embedded in de electronics by means of parameters. The values and settings hereof can be programmed by a skilled and trained service engineer with the help of a computer (laptop), the correct software and an interface cable. - Page 75 Operating screen: The screen texts on these W A T R H T R : b o i o f f pages are standard part of the software and apply to > > > : 1 2 3 . 4 ° C ( 1 2 3 .
- Page 76 Menu A: Heating The screen texts on these c O f pages are standard part of ° C the software and apply to Select the cascaded boilers supply temperature control. systems (boilers) This parameter is the offset of the selected CH supply tem- and/or DHW devices (water perature of EACH boiler of the total cascade.
- Page 77 Menu B: Hot water The screen texts on these D H i L O t i m e pages are standard part of M i n the software and apply to systems (boilers) Hot water function of the boiler. This parameter is the se- and/or DHW devices (water lectable period after which the boiler switches from LOW to heaters).
- Page 78 Menu B: Hot water The screen texts on these D H d s c l n t 2 3 pages are standard part of 2 0 0 S e c the software and apply to Function for the direct hot water boiler. systems (boilers) This parameter is the integration time of the selected HW...
- Page 79 Menu C: Cascade The screen texts on these pages are standard part of the software and apply to Function for the cascading of the boiler(s). systems (boilers) This parameter is activated when an external (extra) boiler is and/or DHW devices (water connected to the Master boiler.
- Page 80 Menu D: General The screen texts on these M a x C o o l pages are standard part of the software and apply to Function for setting the maximum overrun time of the fan (max- systems (boilers) imum 10 minutes). and/or DHW devices (water 0 = Switch off heaters).
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Page 81: 10.18 Fault Codes Display
10.18 Fault codes display The following graphs describe the lock out codes of the boiler. A lock out code can only be removed by a manual resetting of the boiler. NOTICE: Before resetting the water heater always check water heater, central heating system and all components corresponding to the related lock out description. -
Page 82: Blocking Codes
a m / Display message p u m p 9 9 9 Reason Fault during programming of the water heater software parameters. a m m i e n d Display message p u m p 9 9 9 Reason Software parameters have been programmed. Display message T e m p p u m p... -
Page 83: Maintenance Attention Messages
Display message e m p 9 9 9 Reason Flue gas temperature has exceeded the limit. Display message G e n o c k 9 9 9 Reason The general blocking circuit is activated during operation = contact 7-8 Display message 9 9 9 Reason Wrong electrical power supply is connected (not 50 or 60 Hz, 220-240 Volt). -
Page 84: Controlling Options And Settings
CONTROLLING OPTIONS AND SETTINGS 11.1 General The following sections describe some general functions of the water heater and their possible use. AX COOLING TIME The fan will cool down the heat exchanger according to the temperature settings (parameters) of the software. With this cooling parameter the maximum run time of the fan can be programmed. -
Page 85: Soft Start Option
OFT START OPTION Start parameters can be modified to achieve better start behaviour, in case of noise or other difficulties. This is done by reducing the fan ramp-up speed. Two reduced settings are available (I and II). P4BE Soft start (0=normal, 1=reduced fan ramp-up speed (I), 2= reduced fan speed ramp-up (II)) (display D9). -
Page 86: Water Heater Options
11.2 Water heater options 0-10 VDC REMOTE FLOW TEMPERATURE SET POINT The hot water temperature is controlled by connecting an external 0-10 VDC signal to the water heater (connec- tions 15-16). P5BB Analogue input Config (0=off 1=temp) (display D1). This parameter must be set at "1" so the supplied 0-10 V dc signal will control the temperature set point. Possible settings are: 0-10V control off 0-10V temperature set point control active... -
Page 87: Anti-Legionnaires' Disease (Pasteurisation) Function
’ ANTI EGIONNAIRES DISEASE PASTEURISATION FUNCTION To prevent Legionnaires’ disease, the water heater (software) provides a function for heating up the hot water storage tank (once a week or every day) to a higher water temperature than the normal active hot water set point. Also the period, that this “higher”... -
Page 88: Cascade Control
11.3 Cascade control Before commissioning a cascade installation, a number of parameters has to be adjusted. These parameters can be programmed on the unit itself, without the use of a computer. Changes in parameter may only be carried out by a skilled commissioning/service engineer, who has had specific training for setting up the CD range water heaters. - Page 89 PARAMETERS PARAMETERS PARAMETERS PARAMETERS P5DF = 1 P5DF = 0 P5DF = 0 P5DF = 0 P5DA = 0 P5DA = 1 P5DA = 2 P5DA = 3 water water water water heater heater heater heater master slave 1 slave 2 slave 3 CASCADE CONNECTION...
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Page 90: Monitor Screens
When cascade connection is programmed correctly the water heater display will show the following. Explanation "Cascade communication indicator" NO CASCADE COMMUNICATION > > > no.1 Always showing the fixed ">>>" CORRECT CASCADE COMMUNICATION > > no.1 > no.2 Showing alternating no.1 & no.2 with 1 second interval. ONITOR SCREENS To obtain cascade information, see §... -
Page 91: Commissioning The Water Heater
COMMISSIONING THE WATER HEATER 12.1 First: flushing the water heater with water After installation of the water heater the first step, before commissioning, is to flush the water heater and the whole DHW installation with fresh water to remove pollution, debris and other materials that might cause a blocking. This must also be done with installations, where only the water heater is replaced. - Page 92 By pressing the [SERVICE] button of the water heater, the water heater can be started without a heating demand. The water heater will start to fire and also the pump will start to run. Firing of the water heater without a water flow (but filled with water) will cause the so called “boiling noises”.
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Page 93: Starting The Water Heater
STARTING THE WATER HEATER 13.1 General Check the gas pressure available at the gas connection pipe of the water heater. Use the pressure nipple (3) of the gas safety valve for this measurement. The gas pressure for the water heater, to operate properly under the correct load, must be at least 20 mbar. -
Page 94: Adjusting And Setting The Burner
ADJUSTING AND SETTING THE BURNER Before carrying out any adjusting of the burner, carefully read this complete chapter. 14.1 Introduction The burner must always be adjusted in the next situations: - A new water heater is installed - As part of a service/maintenance check, in case the CO values turn out to be incorrect. -
Page 95: Adjustment Values
DJUSTMENT VALUES To make adjustments easier, values of table 1 are presented in the following figures. The CO values should always be between the values set in this figure. Nominal values can be found in the Technical specifications datasheet at the beginning of this manual. All values are measured without front door. Gas type G20, G25.3 The CO level may never be in the hatched area. - Page 96 Propane G31: >>> cont. The CO level may never be in the hatched area. adjust 4,7 % 10,6 % max load O.K. 5,0 % 10,4 % CD150 adjust adjust 6,7 % 9,3 % min load O.K. 7,0 % 9,1 % adjust ____________________________________________________________________________ adjust...
- Page 97 B/P: propane/ butane mixture G30/ G31: Fan settings must be changed by altering parameter P4BD (display D8). (only by a skilled mechanic). The CO level may never be in the hatched area. adjust 5,1 % 10,6 % max load O.K. 5,4 % 10,4 % CD80-120...
- Page 98 Table 2 pre adjustment settings gas valves number of turns open (counter clockwise) water heater Butane/Propane B/P type nat. gas G20 / G25.3 propane G31 G30/G31 0,75 1,25 2,25 * 0,75 * 2,25 * 0,75 * 4,25 * 2,25 * * Both gas valves must be opened this number of turns.
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Page 99: Setting Screws Gas Valve(S): Drawings
ETTING SCREWS GAS VALVE DRAWINGS NOTICE: Do NOT mistake the screw marked ‘PILOT’ for screw 2. → Screw 2 is the SMALL screw immediately next to the pilot screw. E93.1001EN.C Manual CD... -
Page 100: Adjustment Actions: General Scheme
DJUSTMENT ACTIONS GENERAL SCHEME General scheme for adjustment of the gas valve(s). Check this scheme for an overview. To complete all necessary adjustments in right order, follow case A or B top-down through the scheme (B involves a few extra steps (grey text blocks)): GENERAL SCHEME SETTING STEPS case A case B... -
Page 101: Adjusting In Case Of A New Water Heater, Or After Maintenance (Case A)
Maximum fan speed has to be reduced to convert the water heater into a propane or B/P appliance. Setting parameter P4BD. ENERAL REMARKS In case B, a distinction is made between the setting of water heaters containing a single valve (CD+80-CD+100) and water heaters with a double valve (CD+120-CD+180). All adjustments must result in CO according table 1 or figures. -
Page 102: Checking And Adjusting At Maximum Load Cd+120 / Cd+150 / Cd+180
CD+120 / CD+150 / CD+180 HECKING AND ADJUSTING AT MAXIMUM LOAD The water heaters CD+120, CD+150 and CD+180 all have double gas valves, see the drawings on page 99 First connect a manometer to "p-out" = measuring point [4] of the left gas valve (see drawing). •... -
Page 103: Adjusting Procedures
14.4 Adjusting procedures Procedures 1 and 2, referred to in the previous sections 14.2 and14.3 are described here: Procedure 1: adjust at maximum load In case B (replacement of gas valve or gas conversion): consult §14.3. before starting procedure 1 below. Carry out the next 4 steps: 1. -
Page 104: Putting The Water Heater Out Of Operation
PUTTING THE WATER HEATER OUT OF OPERATION It is recommended to have the water heater operational all year round to prevent any frost damage during the winter and/or rotating parts getting jammed during other times of the year (built in water heater safety features). 15.1 Out of operation: on/off function To be used when the appliance must be put out of operation for a long period because of a defect or another... -
Page 105: Fault Codes, Blocking Codes
FAULT CODES, BLOCKING CODES IMPORTANT: To avoid electric shocks, disconnect electrical supply before performing troubleshooting. To avoid burns, allow the unit to cool before performing troubleshooting. Be aware that a fault code is an indication that the unit or the system needs attention. When repeatedly having faults these should not be neglected. - Page 106 Display message b u r n e r p u m p 9 9 9 h r s Reason Water heater not operational after four starting attempts. Cause: No spark. Corrective action: Check the ignitor/ignition electrode and replace/clean if necessary. Check the state of the ceramic insulator.
- Page 107 Display message F a n s p e e d n c o r r e c p u m p 9 9 9 h r s Reason Actual fan speed differs from the unit rpm set point. Cause: An incorrect fan speed is detected. Corrective action: Check the 4 wired wiring and connections at the fan and at the main control board.
- Page 108 Display message T e m p p u m p 9 9 9 Reason: Max. flow temperature exceeds limitation (lock-out) value. Cause: The water flow is restricted. Corrective action: Check functioning of the pump. Check/open all valves that might restrict the water flow through the unit. Check for an external system pump that influences flow through the unit.
- Page 109 Display message e m p t o o p u m p 9 9 9 h r s Reason Flue gas temperature exceeded 3 times limitation value within a certain period. Cause: Heat exchanger polluted and not able to transfer enough heat to system water. Corrective action: Check and clean heat exchanger.
- Page 110 Display message t u r n s e n s o r r o r p u m p 9 9 9 h r s Reason Return sensor is not detected by the water heater PCB. Cause: Bad wiring/connection in the return sensor circuit. Corrective action: Check for loose wiring/connections in the return sensor circuit.
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Page 111: Blocking Codes
16.2 Blocking codes The display is not blinking, but is lightened up during the blocking period. The water heater is blocking an action, because of an extraordinary situation. This action will be con- tinued after eliminating the extraordinary situation. Display message A n t c y c i m e... - Page 112 Display message e m p 9 9 9 h r s Reason Flue gas temperature has exceeded the limit. Cause: Heat exchanger polluted and not able to transfer enough heat to the system. Corrective action: Check and clean heat exchanger. Cause: Bad flue gas sensor or sensor connection (partly shorted.) Corrective action: The sensor is of the type NTC.
- Page 113 Display message - T 1 9 9 9 h r s Reason Difference between T2 and T1 has exceeded the blocking value which has been set in the parameters.(return temp higher than flow) Cause: The water flow through the unit is too low. Corrective action: Check functioning of the pump.
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Page 114: Maintenance Attention Function
16.3 Maintenance attention function The display shows alternately the base screen and this message, while backlight is blinking. The water heater is operating, but will count the exceeding hours. A parameter must be changed, after service, to remove this message. Display message N e e d s e n a n... -
Page 115: Inspection & Maintenance
17.2 Inspection & maintenance Inspection, maintenance and the replacement of water heater parts should only be done by a skilled service engi- neer. Apart from the maintenance proceedings it is advised to have a log chart for every water heater that describes the following aspects: •... - Page 116 3.5 mm / 0.14 inch D = 8 - 10 mm D = 0.315 - 0.393 inch Point of view in next picture → Burner door gaskets When these gaskets have changed colours at some parts, the rubber has cured and/or has damages, these gas- kets must be replaced.
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Page 117: User Instructions
Gas/air ratio With every service check and/or maintenance of the water heater always check the gas/air ratio by measuring the percentage (flue gas) at the maximum and minimum load of the water heater. If necessary adjust these values, see for information chapter 14 “Adjusting and setting the burner”. Pump Check the electrical parts and the motor of the pump for a correct functioning. -
Page 118: Index
INDEX 0-10 Vdc remote flow temperature set point, 86 max cooling time, 84 accessories, 19 monitor screens, 60 accessories and unpacking, 20 adjusting and setting the burner, 94 night shift, 65 air supply, 23 air venting, 91 overpressure safety valve, 8 ff, 43 ff. anti-Legionnaires’... - Page 120 Your distributor: Eco Heating Systems Groningen BV contact: visit: P.O. Box 5145 Rigaweg 10 9700 GC Groningen 9723 TH Groningen The Netherlands The Netherlands +31 50 5470470 +31 50 5470498 sales@ecohs.nl www.ecohs.nl...
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