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Lochinvar EcoForce EF100 Installation, Commissioning, User And Maintenance Instructions Download Page 54

 

 

54 

 

D

ISPLAY 

D

URING 

O

PERATION 

 

During normal operation the text in the display shows the status of the water heater. The following graphs show the displays during 
normal operation with explanations. 
 

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   

 

 

 

>  >  > 

: 

1  2  3  .  4  °  C  (  1  2  3  .  4  °  C 

) 

cascade 
communication 

indicator 

temp. set point water temp.

 

measured temp.control.sens. 
showing the measured temp. 

Can be turned off by P5 BJ 

 

 
Explanation "Actual status" screen 
Actual status: 

 

B  o  i 

l 

e  r 

  o  f  f   

 

 

When water heater is switched off (only text in the display during this status). 

N  o   

d 

e  m  a  n  d   

 

 

 

No heat demand signal coming from the  calorifier sensor (open). 

S  t  a 

n  d   -  b  y   

 

 

 

 

Calorifier sensor/thermostat detect heat demand but set point is reached. 

P  r  e 

 -  p  u  r  g  e   

 

 

 

The fan is purging before a burner start attempt. 

P   r  e 

 - 

i  g  n  i  t  i  o  n 

 

Ignition starts before opening of the gas valve. 

I  g  n 

i 

t  i  o  n   

 

 

 

 

The igniter is igniting. 

P  o  s 

t 

 -  p  u  r  g  e   

 

 

The fan is purging after burner is switched off. 

B  u  r 

n 

i  n  g    1  0  0  % 

 

When the burner is firing, also the actual rpm% is shown. 

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. 
 

12.3.1

 

Display screen during operation 

 
 

 
 
 

 
 

 
 
 

 

 

 

 
 
 

Summary of Contents for EcoForce EF100

Page 1: ...1 MODELS EF80 EF100 EF120 EF150 EF180 EcoForce Wall mounted gas fired condensing water heater Installation Commissioning User and Maintenance Instructions Installation manual_EF_February 2018 ...

Page 2: ...2 ...

Page 3: ...Pipe header Sizing 45 Flow Monitoring 46 Water Pressure Switch 46 ELECTRICAL SUPPLY 46 Connector Strip 46 Fuses 48 Arc Welding Precautions 48 Ecoforce Wiring Diagram 49 CONTROL INTERFACE 51 Control Panel Display Unit 51 Control Panel Menu Structure 52 Display During Operation 54 Monitor Screens 55 Service Function 56 Schornsteinfeger Function Germany Only 57 Programming In Standby Mode 57 Setting ...

Page 4: ...ures 96 PUTTING THE WATER HEATER OUT OF OPERATION 97 Out Of Operation On Off Function 97 Out Of Operation Power Off 97 FAULT CODES BLOCKING CODES 98 LPG FUEL 111 Related Documents 111 Conversion And Commissioning Procedure 111 MAINTENANCE 113 General 113 Maintenance Reminder Function 113 Service Intervals 113 Waterside 113 Inspection And Maintenance 114 Mounting the burner door correctly back onto...

Page 5: ...f rated input not exceeding 70 kW net 1st 2nd and 3rd family gases Specification for installation and maintenance of ventilation for gas appliances BS 6644 2011 Specification for Installation of gas fired hot water Water heaters of rated inputs between 70 kW net and 1 8 MW net 2nd and 3rd family gases BS 6700 2006 A1 2009 Design installation testing and maintenance of services supplying water for ...

Page 6: ...must be done by a skilled installer engineer according to all applicable standards and regulations GENERAL DESCRIPTION OF SAFETY SYMBOLS USED BANNED A black symbol inside a red circle with a red diagonal indicates an action that should not be performed WARNING A black symbol added to a yellow triangle with black edges indicates danger ACTION REQUIRED A white symbol inserted in a blue circle indica...

Page 7: ...o do so Lochinvar Limited is not liable for any damage caused by inaccurately following these mounting instructions Only original parts may be used when carrying out any repair or service work This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instru...

Page 8: ...00 150 100 150 100 150 100 150 Flue Size Parallel mm 80 80 100 100 100 100 130 130 130 130 Waterside Pressure Loss 17K T m WC 5 8 4 7 4 1 6 5 5 Max Outlet temp C 75 Operating Pressure min max bar 1 8 Average Flue Gas Temperature C 85 95 NG G20 CO2 Flue Gas G20 8 7 9 0 8 7 9 0 8 7 9 0 8 7 9 0 8 7 9 0 Gas Flow Rate G20 m3 hr 1 54 7 86 1 82 9 76 2 75 11 8 3 60 14 6 4 76 17 6 Gas Supply Pressure G20 m...

Page 9: ...0 EF100 EF120 EF80 EF100 EF120 FG Flue gas Ø80 Ø100 Ø80 Ø100 AI Air inlet Ø80 Ø100 Ø125 Ø150 I Cold water inlet R 1 swivel R 2 swivel R 1 swivel R 2 swivel O Hot water outlet R 1 swivel R 2 swivel R 1 swivel R 2 swivel G Gas R male C Condensate flexible hose Ø25 21 x 750 mm dimension D 175 160 ...

Page 10: ...Twin Pipe Concentric EF 150 180 EF 150 180 FG Flue gas Ø130 Ø100 AI Air inlet Ø130 Ø150 I Cold water inlet Rp 2 swivel Rp 2 swivel O Hot water outlet Rp 2 swivel Rp 2 swivel G Gas male R 1 R 1 C Condensate flexible hose Ø25 21 x 750 mm Top View Front View Bottom View ...

Page 11: ...11 3 1 4 Cascade frames Frames are available to mount up to 4 EcoForce water heaters if required ...

Page 12: ... t 990 990 2 1015 133 160 177 314 Rp 2 Rp 2 R 605 n v t n v t 990 990 1 510 133 160 177 314 Rp 2 Rp 2 R n v t n v t n v t 990 990 EF80 4 1980 133 175 177 310 Rp 1 Rp 1 R 590 1080 1570 990 990 3 1520 133 175 177 310 Rp 1 Rp 1 R 605 1110 n v t 990 990 2 1015 133 175 177 310 Rp 1 Rp 1 R 605 n v t n v t 990 990 1 510 133 175 177 310 Rp 1 Rp 1 R n v t n v t n v t 990 990 mm mm mm mm mm mm mm mm mm mm N...

Page 13: ...ich in turn may cause premature failure Such instances are not regarded as defects in manufacture and will not be covered under the product warranty ACCESSORIES AND UNPACKING ANCILLARY ITEMS A number of accessories are available for use with the EF water heater depending on site requirements as below contact Lochinvar Limited for prices and further information Item Description Item Number 2 Water ...

Page 14: ...E approved body and in accordance with the Gas Safety regulations installs all Gas appliances Failure to install the appliance correctly could lead to prosecution It is in your own interest and that of safety to ensure the appliance is installed correctly 6 1 1 Mounting the heater on a frame Before mounting and installing the Water heater the following connections should be considered Flue gas sys...

Page 15: ...is determined that these levels cannot be achieved an in line condensate neutralisation kit is available as an ancillary option from Lochinvar Limited This unit is capable of neutralising 4000 litres of condensate to a pH of 7 0 before releasing it to a drain FILLING THE CONDENSATE TRAP When mounting the bottom part of the siphon before commissioning the Water heater and or after maintenance the s...

Page 16: ... UP 1 Refer to LPG FUEL for information on LPG pipework installation guidance BOOSTED GAS SUPPLIES Where it is necessary to employ a gas pressure booster the controls must include a low pressure cut off switch at the booster inlet The local gas distributor must be consulted before a gas pressure booster is fitted PLANT ROOM CONTROL VALVE A manual valve for plant room isolation must be fitted in th...

Page 17: ... used The EF Water heater can operate with very low flue temperatures as such the flue system used must be suitable for use with condensing appliances made from either Polypropylene or stainless steel and have a temperature class of T120 Aluminium flue pipe must not be used on this appliance as it may lead to premature failure of the heat exchanger and will invalidate the warranty Before installat...

Page 18: ...window into the dwelling 1160 M Vertically from a terminal on the same wall 1440 N Horizontally from a terminal on the same wall 577 P From a vertical structure on the roof 300 Q Above intersection with the roof 300 8 3 2 Flue terminal minimum distances Any termination of a room sealed appliance shall be in such a position as will not cause a hazard to the health of persons who may be nearby or a ...

Page 19: ...nternal flue items are available from Lochinvar For further details of available components see EF Flue assembly and ancillaries document available at www lochinvar ltd uk Aluminium flue pipe must not be used on this appliance as it may lead to premature failure of the heat exchanger and will invalidate the warranty INSTALLATION PRECAUTIONS The approved flue system is rated to 120 C max The heater...

Page 20: ...f the flue terminal taking into account minimum distances as detailed in Section 8 3 1 and the relevant British Standards 2 Taking care to protect the appliance from debris and dust drill a hole in the desired location The diameter of the hole should be no more than 10mm greater than the diameter of the air supply pipe of the terminal 3 Determine the required length of the terminal and cut as nece...

Page 21: ...is to be installed See Section 8 11 2 Determine the desired location for the flue terminal taking into account minimum distances as detailed in Section 8 3 1 and the relevant British Standards 3 Taking care to protect the appliance from debris and dust drill a hole in the desired location The diameter of the hole should be no more than 10mm greater than the diameter of the air supply pipe of the t...

Page 22: ...22 8 6 8 Vertical terminal roof flashings for synthetic flat and tiled roofs 8 6 9 Installing terminal through roof flashing ...

Page 23: ...23 8 6 10 General concentric flue system installation guidelines The images shown below may not represent the equipment supplied images and instructions are for general guidance only ...

Page 24: ...24 ...

Page 25: ...25 ...

Page 26: ...26 ...

Page 27: ...ple concentric flue Flue Resistance Calculation Example EXAMPLE A EF100 WATER HEATER WITH HORIZONTAL CONCENTRIC TERMINAL 3000mm VERTICAL FLUE LENGTH 6000mm HORIZONTAL FLUE LENGTH 90 BEND EXAMPLE B EF150 WATER HEATER WITH HORIZONTAL CONCENTRIC TERMINAL 3000mm VERTICAL FLUE LENGTH 600mm HORIZONTAL FLUE LENGTH 90 BEND 100 150mm Concentric flue Example A Item Quantity Resistance Total Wall terminal 1 ...

Page 28: ...lue system components In order to install the EF Water heater in a Twin pipe configuration models EF80 EF120 require a Twin pipe conversion kit as below further flue ancillary items are available to complete the installation Model Conversion kit Item number EF80 E61 001 163 EF100 EF120 E61 001 164 When installing the Water heater as a type C53 appliance it should be noted that the terminals must n...

Page 29: ...29 8 7 2 General twin pipe installation guidelines The images shown below may not represent the equipment supplied images and instructions are for general guidance only ...

Page 30: ...30 ...

Page 31: ...31 ...

Page 32: ...32 ...

Page 33: ...33 ...

Page 34: ...configuration so only require an Air inlet guard as below Model Air Inlet guard Item number EF150 M81660 EF180 M81660 Due to the large Flue pipe size required Lochinvar does not supply conventional flue components for models EF150 EF180 except the air inlet guard For this installation type a flue system designer installer should be consulted 8 8 2 Maximum length conventional twin pipe flue The max...

Page 35: ...ance Pa EF 58 EF80 EF100 EF120 EF150 EF180 Straight tube per metre 80 5 0 8 0 X X n a n a Straight tube per metre 100 2 0 3 5 4 0 6 5 n a n a Straight tube per metre 130 0 5 0 8 1 2 1 8 n a n a 45 Elbow 80 2 5 4 X X n a n a 45 Elbow 100 1 0 1 7 2 3 2 n a n a 45 Elbow 130 0 2 0 4 1 6 0 8 n a n a 90 Elbow 80 5 0 8 0 X X n a n a 90 Elbow 100 2 0 3 5 4 0 6 5 n a n a 90 Elbow 130 0 4 0 8 1 2 1 8 n a n ...

Page 36: ...FLUE LENGTH 2000mm HORIZONTAL FLUE LENGTH 2X 90 BEND 1X CONCENTRIC FLUE TERMINAL AIR INLET 6000mm VERTICAL LENGTH 2000mm HORIZONTAL LENGTH 2X 90 BEND 1X AIR INLET 110mm flue and air inlet pipe Flue exhaust Item Quantity Resistance Total Straight tube m 9 6 5 58 5 45 Elbow 0 0 90 Elbow 2 6 5 13 Concentric Vertical terminal 1 22 1 22 1 Total Resistance Pa 93 6 Air Inlet Item Quantity Resistance Tota...

Page 37: ...ons CONVENTIONAL AND TWIN PIPE FLUE TERMINATION FLAT AND TILED ROOFS Height A This is the height of the air inlet A rain hood should prevent rainwater entering the air supply system When the inlet and outlet are mounted on a flat roof the inlet should be at least 60 cm above the roof surface and at least 30 cm above the maximum snow level Example 1 When the maximum snow level on the roof surface i...

Page 38: ...DRAIN For flue runs of less than 6 metres provided that the flue system rises at an angle of at least 3 50mm per metre no additional condensate drain will be required Failure to provide an adequate rise in the flue system may lead to pooling of condensate which may lead to premature failure of the flue system If the flue run is greater than 6 metres it is recommended that an inline condensate drai...

Page 39: ...458 920 920 184 184 EF120 123 3 111 0 555 555 1110 1110 222 222 EF150 153 3 138 0 690 690 1377 1377 276 276 EF180 184 3 166 0 830 830 1658 1658 332 332 9 2 1 Cooling ventilation requirements When used as a type B appliance provision for cooling ventilation is included in the combustion ventilation allowance MECHANICAL VENTILATION In situations where combustion air cannot be provided by the means o...

Page 40: ... minimum value 92 0 x 1 35 0 18 m3 h 107 64 m3 h Extract air maximum value 239 2 m3 h 107 64 m3 h 131 56 m3 h Extract air minimum value 239 2 m3 h 140 76 m3 h 98 44 m3 h 9 3 4 Worked example mechanical inlet mechanical discharge alternate combustion air flow rate Lochinvar EF100 Heat input net 92 0 kW Minimum combustion air flow rate 92 0 x 2 6 m3 h 239 2 m3 h Actual combustion air flow rate 92 0 ...

Page 41: ... The type and number of EcoForce water heaters as well the pipe length and number of buffer vessels must be taken into account when sizing the interconnecting pipework the pipe should be sized to ensure the correct flow through the EcoForce water heater Error Reference source not found gives general guidance on pipe header sizing based on small 14meter pipe runs additional help w ith sizing the pi...

Page 42: ... that isolation valves are fitted to the cold water inlet and hot water draw off connections to aid in any routine maintenance work that needs to be carried out 10 1 3 Drawing key ITEM DESCRIPTION IV Isolation Valve PRV Pressure reducing Valve NRV Non Return Valve EV Expansion safety valve TPRV Temperature and Pressure relief valve TD Tundish EXV Expansion vessel DV Drain Valve LSV Lock Shield Val...

Page 43: ...or further information contact Lochinvar Technical Support 10 3 1 Expansion vessel sizing The following information is based on an inlet pressure of 3 5 bar If a different inlet pressure is to be used please consult BS6700 V V S V e 0 45 Where V V Vessel Volume S V System Volume e Coefficient of Expansion See Table 10 2 Stored Temp C 30 35 40 45 50 55 60 e 0 005 0 006 0 008 0 010 0 012 0 015 0 017...

Page 44: ...Pressure Loss Metre H20 EF80 3 97 1 10 8 5 EF100 4 77 1 325 6 5 EF120 6 36 1 76 6 5 EF150 7 15 1 98 8 0 EF180 9 54 2 65 5 5 10 5 1 System head loss based on a 15 k differential A pump sized for the water heater and primary pipework loop is available as shown below This pump or a suitable approved alternative must be installed alongside each EcoForce water heater in order to maintain the EcoForce w...

Page 45: ...EWORK A BLUE SIZE mm PIPEWORK B RED SIZE mm NUMBER OF FORCE 1 2 3 4 EF80 42 54 54 67 EF100 54 54 67 67 EF120 54 54 67 76 EF150 54 67 76 108 EF180 54 67 108 108 10 7 1 PIPEWORK HEADER SIZES FOR COMMON INSTALLATIONS 10 7 2 Pipework schematic showing pipework A and pipework B on single model 10 7 3 Pipework schematic showing pipework A and pipework B on multiple models A A A A B ...

Page 46: ...ss than 0 75bar to protect the heat exchanger from damage The display will show the following message Display message W a t e r p r e s s u r e f a u l t 9 9 9 5 h r s Reason Water pressure is too low or high ELECTRICAL SUPPLY Wiring external to the equipment must be installed in accordance with the I E E Regulations and any local regulations that apply Model Normal Supply Voltage External Fuse Ra...

Page 47: ...18 CASCADE CONNECTION These connections are used when water heaters are cascaded with the internal cascade manager for controlling the total cascade NOTICE Connect all terminals 17 and all terminals 18 together do not switch between these terminals 19 20 LOCK OUT OR PUMP ON OFF This contact is N O normally open When the unit is in lock out this contact will close This contact can also be used for ...

Page 48: ...5 1070 135 262 10 55047 40 5330 90 915 140 232 5 42158 45 4372 95 786 145 206 0 32555 50 3605 100 677 150 183 5 25339 55 2989 105 586 155 163 10 19873 60 2490 110 508 160 145 15 15699 65 2084 115 443 165 130 11 2 3 Conversion table temperature vs resistance for all sensors FUSES The ECOFORCE has four internal fuses Three will automatically reset the fourth is rated at 3 15 A and is located at the ...

Page 49: ...ions connection examples ref 1 N C N C gas valve s Heat demand NO ionisation and or ignition CN8 CN7 CN6 Heat demand NO fan control siphon pressure switch PSW clixon maximum S7 water thermostat 24vdc flue sensor ntc S6 10K return sensor ntc S2 10K flow sensor ntc S1 10K CN1 CN3 CN12 14 13 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 CN10 CN11 2 3 4 5 6 7 8 16 15 14 13 12 11 10 1 2 3 4 5 6...

Page 50: ...4 3 5 6 7 1 2 4 3 5 6 7 6 5 3 4 2 1 K5 K9 K9 K9 K2 K6 K3 K8 K4 K7 FUSE 2 FUSE 1 F2 F1 boiler casing Heat demand NO CN8 T2 CN7 6 Heat demand NO CN5 CN1 CN3 CN12 14 13 12 7 6 5 CN10 CN11 2 3 4 5 6 7 8 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 MAINS L Lock Out NO Flame on NO Gasvalve N Gasvalve L 1 9 L N L N CH System Pump P3 K10 Heat demand N O On Off Stat or OpenTherm Heating Circuit Remote temp...

Page 51: ...ers EF and Boilers CPM some of the functions shown within the control pages relate to the Boiler version and will not be applicable to the EcoForce water heater If in doubt contact Lochinvar Technical Support before proceeding with any Parameter changes CONTROL PANEL DISPLAY UNIT ...

Page 52: ...r Display shows 2x20 digit message for three seconds Message can be set in parameters example Company name City Country press Display shows for three seconds Heater type Time date and day example Z FG 550 13 51 US or EU 06 01 2010 Wed After this message the display shows for three seconds Software version and Cascade designation example Firmware Mk 00197 Address 0 press These three messages will a...

Page 53: ...ply from the DHW appliance to the tank is set here PROGRAM menu In this menu one can set the DHW and Anti Legionnella program OPERATING HISTORY menu Shows burning hours DHW etc FAULT HISTORY menu press Reading last fifteen faults only reading TIME DATE DAY menu In this menu one can set the time and the date PARAMETER menu In this menu one can change parameters The possible access depends on the pa...

Page 54: ...nly text in the display during this status N o d e m a n d No heat demand signal coming from the calorifier sensor open S t a n d b y Calorifier sensor thermostat detect heat demand but set point is reached P r e p u r g e The fan is purging before a burner start attempt P r e i g n i t i o n Ignition starts before opening of the gas valve I g n i t i o n The igniter is igniting P o s t p u r g e ...

Page 55: ...d T F l o w R e t u r n 1 2 3 9 C Temp difference between internal flow return d T F l u e R e t u r n 1 2 3 9 C Temp difference between flue gas internal return SCREEN 5 Temp difference between external internal return ΔT LLH d T E x t R e t u r n 1 2 3 9 C S i g n a l P o w e r External supplied 0 10 Volt dc signal S e t p o i Power power input control or Setpoi set point control SCREEN 6 F a n ...

Page 56: ... B l o c k C l o s e d Status of the general blocking contact Open or Closed SCREEN 14 S i p h o n p r e s s C l o s e d Status of the siphon pressure switch Open or Closed N R V C o n t a c t O p e n Status of the non return valve contact Open or Closed REMARK at screen 14 No NRV used in this type of Water heater 12 4 1 Monitor screen display SERVICE FUNCTION The following describes how to use th...

Page 57: ...3 4 C 1 2 3 4 C Program the water heater at the control panel see the following sections Terminate programming mode by pressing MENU or ENTER and NO or YES Reactivate the water heater by pressing ON OFF for three seconds again SETTING THE TIME AND DATE The following shows how to set the time and the date of the unit 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 MENU Main m...

Page 58: ...t at Heating Setpoint Regardless the set DHW setpoint If higher DHW setpoint are needed the Heating Setpoint has to be set higher also 12 9 1 Set points display SETTING THE TIMER PROGRAMS Two different programmes can be set within the water heater DHW programme and Pasteurisation programme Three programmed periods each day can be set period 1 2 and 3 During this time the water heater will operate ...

Page 59: ...u Press MENU to exit The water heater will reset and go to the operating screen Press for next SCREEN Copy programmed day for DHW C o p y f r o m D H W M o n C o p y t o D H W T u e Press to switch between Copy from and Copy to The blinking day is selected and can be changed Press to change the selected blinking value Press ENTER for confirmation screen when all settings are done Confirmation scre...

Page 60: ...ed Press to change the selected blinking value Press ENTER for confirmation screen when all settings are done Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes made unit will reset Press to confirm the changes The last alternation will be blinking for a few seconds and return to base menu Press MENU to exit The water heater will reset and go to the opera...

Page 61: ...D h w T o t 1 0 0 0 0 0 0 Top line Total burning hours for heating Bottom line Total burning hours for domestic hot water SCREEN 3 h r s C h 5 0 1 0 0 0 0 0 0 h r s C h 5 0 1 0 0 0 0 0 0 Top line Burning hours for heating while the burner was firing less than 50 Bottom line Burning hours for heating while the burner was firing equal or higher than 50 SCREEN 4 h r s D h w 5 0 1 0 0 0 0 0 0 h r s D ...

Page 62: ...play blinks between the two screens shown above The top line of the top screen shows the fault number and the bottom line of the top screen shows the date day and time the fault occurred On the top line of the bottom screen the fault type is displayed The bottom line shows the following SV The total amount of this fault that has occurred after the last time that the service history was erased afte...

Page 63: ...fly after resetting Operating screen M a i n t e n M o d e Blinking second line What is blinking at the second line before a selection is made is the active maintenance option Press or to change the selected blinking option Screen Selecting of all maintenance options M a i n t e n M o d e A l l Press to set The option that is blinking can be changed using by Date for the Maintenance message Total ...

Page 64: ...nges or to confirm the changes Hereafter the water heater returns to the operating screen Screen Message after total amount of ignition cycles M a i n t e n M o d e I g n i t i o n c y c l e s Press to set The total amount of ignition cycles for the Maintenance message Press to Return to maintenance mode selection The blinking value can be changed with Press ENTER to confirm the changes Confirmati...

Page 65: ...intenance message will be displayed M a i n t e n M o d e M a i n t e n O f f Press ENTER to confirm the changes Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to cancel the changes or to confirm the changes Hereafter the water heater returns to the operating screen Note The MENU button will return the display to the operating screen 12 15 3 Maintenance settings continued ...

Page 66: ...S T A N D B Y 1 2 3 4 C 1 2 3 4 C Press MENU Select User lock using and press ENTER User lock screen S e t U s e r l o c k 0 0 The 0 is now blinking selected and can be changed Use to change the value 0 User lock function OFF 1 User lock function ON Press ENTER for the confirmation screen after the selection has been made Confirmation screen A r e y o u s u r e C a n c e l C o n f i r m Press to c...

Page 67: ...onella temperature C L e g i o t e m p no 6 P5CI Legionella hyst DHW tank temperature C L e g i o h y s t no 7 P5CJ Legionella hold time 0 off min L e g i o h o l d no 8 P2KI CH interrupt by Legionella 0 yes 1 no L e g i o i n t r no 9 P2LC Regulation temperature offset DHWd C D H d s c O f f 2 yes A P2MN Proportional range DHWd modulation C D H d s c P r b 2 3 no B P2LD Regulation temperature hys...

Page 68: ...1 On Menu A Heating A 2 H E s o f f 1 3 4 C CH supply temperature setting This parameter is the offset of the programmed CH temperature Menu A Heating A 3 H E s P r b 1 3 2 5 C Select the CH supply temperature control This parameter is the proportional range of the selected CH supply temperature Menu A Heating A 4 H E s c D i f 1 3 1 0 C Select the CH supply temperature control This parameter is t...

Page 69: ...cascade and of the external cascade sensor Menu A Heating A 9 T i m e r C o n t 0 Function to activate external time controller 0 Off 1 On Connect to 13 14 Contact closed daytime setting Contact open night time setting Menu B Hot water B 1 D H i p m p t w v 1 Hot water function of the Water heater by 0 pump 1 3 way valve Menu B Hot water B 2 D H i f l o w L O 2 5 C Hot water function of the Water ...

Page 70: ... Pasteurisation function of the Water heater This parameter is the selected hysteresis during the pasteurisation function of the Water heater Menu B Hot water B 7 L e g i o h o l d 2 M i n Pasteurisation function of the Water heater This parameter is the selected time period for the pasteurisation function of the Water heater Menu B Hot water B 8 L e g i o i n t r 0 Pasteurisation function of the ...

Page 71: ... the hysteresis of the selected HW temperature of the cascaded water heaters Menu B Hot water B F D H i s c D i f 4 5 C Function for the indirect hot water supply of the Water heater tank This parameter is the hysteresis of the selected HW temperature of the calorifier tank Menu B Hot water B G D H i d e t g r a d 3 C Function for the indirect hot water supply of the Water heater tank This paramet...

Page 72: ...scade C 5 C a s S i M a 0 Function for the cascading of the Water heater s This parameter sets the function of the Water heater at a cascade alignment 0 Single Slave unit 1 Master unit Menu C Cascade C 6 P w r O f f T o C a 0 Function for the cascading of the Water heater s This parameter determines the function of the Slave water heaters when the Master Water heater is switched off 0 Slave Water ...

Page 73: ...ove sea level of the Water heater NOTICE dimensions in English feet One unit 100 ft Use this function only in consultation with the supplier manufacturer Menu D General D 4 M a x C o o l T i m 2 M i n Function for setting the maximum overrun time of the fan Maximum 10 minutes 0 Switch off Menu D General D 5 T e m p O n D i s p 1 Function to show the measured temperature of the Water heater at the ...

Page 74: ...tion 0 normal start up 1 reduced fan ramp up speed I 2 reduced fan ramp up speed II Menu D General D A c o n f i g Function Pump mode 0 normal 1 relay 1 connector 19 and 20 lock out 2 relay 2 connector 21 and 22 burner burning 3 relay 3 connector 23 and 24 heat demand 4 Do not use reserved for future applications The Screen Text on these pages show Parameters used on our EF water heater and also o...

Page 75: ...etected by the water heater caused by faulty connection sensor Display message F1 F l o w h i g h T e m p p u m p o n 9 9 9 5 h r s Reason Flow temperature exceeds the limit which has been set in the parameters Display message F1 R e t u r n h i g h T e m p p u m p o n 9 9 9 5 h r s Reason The maximum return temperature as set in the parameters is exceeded Display message F3 R e t u r n s e n s o ...

Page 76: ...r a m H a r d w f a u l t p u m p o n 9 9 9 5 h r s Reason Fault during programming of the water heater software parameters Display message F15 C l i x o n F a u l t p u m p o n 9 9 9 5 h r s Reason Rear wall thermostat clixon detects a too high temperature Display message F16 F l o w R e t u r n d t f a u l t p u m p o n 9 9 9 5 h r s Reason Temperature difference between flow and return exceeds ...

Page 77: ... in the parameters Display message R e t u r n t e m p h i g h 9 9 9 5 h r s Reason The return temperature has exceeded the blocking temperature as set in the parameters but the return temperature has not exceeded the lock out value Display message T 2 T 1 h i g h 9 9 9 5 h r s Reason Temperature difference T2 T1 has exceeded the blocking value as set in the parameters Display message D e a i r a ...

Page 78: ...e independently of these messages MAINTENANCE ATTENTION MESSAGE The display shows alternating the base screen and this message while the 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 M a i n t e n a n 0 0 I g n i t i o n c y c l e s h r s Reason Maintenance option of ...

Page 79: ...l will control the temperature set point Possible settings are 0 0 10V control off 1 0 10V temperature set point control active See also the following graph for the relation between the temperature and the control signal Values for illustration purposes programmed parameter values can deviate 0 10 Vdc control signal temperature setting C P2GB off P2GA on P2GC max P6CA max Temperature set point e g...

Page 80: ...are shown in the following graph Values for illustration purposes programmed parameter values can deviate The settings of these parameters P5CI P5CJ and P5CD must be programmed according to local regulations and requirements for the site The setting of these parameters can only be done by a trained service engineer and is also possible by the control panel of the unit without the use of a computer...

Page 81: ...d temperatures and cascade behaviour during operation and service fault history 14 3 1 Parameter settings for cascade set ups Before programming the cascaded water heaters make sure that all water heaters are connected wire with each other Use connection 17 and 18 of each water heater Do not alternate these connections so always connect 17 to 17 and 18 to 18 After connection every water heater mus...

Page 82: ...rameter determines the address of the water heater for the total cascading control Master 0 Slave1 1 etc When the correct parameter is set this must be confirmed at the confirmation screen After activation the value will blink for a few seconds while the parameter is programmed into the water heater When cascade connection is programmed correctly the water heater display will show the following Ex...

Page 83: ...play function off on P5BJ Temperature display 1 on display D5 0 not visible 1 visible GAS TYPE SELECTION Settings for gas types natural gas propane or butane propane mixture B P P4 BD Gas type 0 standard 1 propane 2 butane propane B P display D8 This parameter is set 0 for the natural gas G20 or G25 By setting this parameter 1 for propane fan speed is reduced Set this parameter 2 for B P 0 standar...

Page 84: ...t use reserved for future applications TANK SENSOR SENSITIVITY P2KH Gradient heat demand detection DHW tank temperature display BG 0 1 C With S3 in use as tank sensor the water heater can detect a large demand on the buffer tank allowing the water heater to react faster to this demand The sensitivity of this sensor can be set in parameter P2KH in tenths of degrees COMMISSIONING AND TESTING WATER H...

Page 85: ...on you should also check the flow and return temperatures of the water heater by pressing the button once The temperature difference of the flow and return must be at least 13ºC and maximum 25ºC This temperature difference indicates that there is enough water flow over the water heater this water flow prevents the heat exchanger being damaged by a thermal overload If the temperature difference is ...

Page 86: ...system is configured in an unvented arrangement check the expansion vessel cushion pressure COMMISSIONING THE EQUIPMENT GENERAL CHECKS PRIOR TO LIGHTING A person deemed competent MUST be responsible for the commissioning of this equipment Before attempting to commission any equipment ensure that personnel involved are aware of what action is about to be taken and begin by making the following chec...

Page 87: ... show the following graph Display message W A T R H T R N o d e m a n d 1 2 3 4 C 1 2 3 4 C Reason Water heater is active but there is no heat demand The display describes The actual operation If a heat demand is activated The temperature setting The temperature measured When mounting the bottom part of the siphon before commissioning the boiler and or after maintenance it must ALWAYS be completel...

Page 88: ...g of the gas valve s and setting screws is given in 21 3 In 21 3 1 a general scheme to ensure you fully comply with these instructions using the correct procedure A or B After that 21 4 a thorough description is given of how to proceed in cases A and B respectively Finally two main procedures used in the previous sections are described in detail 21 1 1 Adjustment tables Cf EN437 2 All values measu...

Page 89: ... door 21 2 1 Gas type G20 The CO2 level must not be in the hatched area EF80 EF180 ____________________________________________________________________________ 21 2 2 Propane G31 Fan settings must be changed by altering parameter P4BD display D8 Only by a Competent Engineer The CO2 level must not be in the hatched area EF80 EF120 adjust adjust adjust adjust max load min load 4 5 4 8 5 4 5 7 O2 9 2...

Page 90: ... ____________________________________________________________________________ EF180 adjust adjust adjust adjust max load min load 4 7 5 0 6 7 7 0 O2 10 6 10 4 9 3 9 1 CO2 O K O K adjust adjust adjust adjust max load min load 4 6 4 9 6 7 7 0 O2 10 7 10 5 9 3 9 1 CO2 O K O K ...

Page 91: ...e hatched area EF80 120 ____________________________________________________________________________ EF150 ____________________________________________________________________________ adjust adjust adjust adjust max load min load 5 1 5 4 7 0 7 3 O2 10 6 10 4 9 3 9 1 CO2 O K O K adjust adjust adjust adjust max load min load 4 9 5 2 7 0 7 3 O2 10 7 10 5 9 3 9 1 CO2 O K O K ...

Page 92: ...Propane G31 Butane G30 EF120 2 to 0 Pa 4 to 2 Pa 5 to 3 Pa EF150 2 to 0 Pa 7 to 5 Pa 8 to 6 Pa EF180 2 to 0 Pa 7 to 5 Pa 8 to 6 Pa 21 2 5 Table 3 Maximum fan speed has to be reduced to convert the boiler into a propane or B P appliance Setting of parameter P4BD A sticker has to be pasted after converting the boiler into a propane or B P appliance Mark the used gas and the parameter setting on this...

Page 93: ...m load measure CO2 at flue gas outlet use RIGHT screw 2 to match value with table 1 setting at minimum load continue only EF120 150 180 set burner at minimum load use LEFT screw 1 to match p out with table 3 procedure 2 set burner at minimum load measure CO2 at flue gas outlet use RIGHT screw 1 to match value with table 1 repeat procedure 1 repeat procedure 2 keep repeating until values match tabl...

Page 94: ...he screw any further Now turn screw 2 counter clockwise open according to the number of turns in table 2 for the used water heater and gas type After this adjust at maximum load by carrying out procedure 1 21 8 1 If the burner doesn t start up in service mode turn screw 2 a quarter turn counter clockwise further open and try again Adjusting at minimum load EF80 EF100 Adjust at minimum load by carr...

Page 95: ... CO2 at low fire Adjust the right hand valve at minimum load by carrying out procedure 2 on page 89 Again toggle between high fire and low fire to make fine tuning adjustments adjusting the minimum setting affects the maximum setting and vice versa If the valves have been set correctly p out left should equal p out right As an additional test one could check this by measuring p out at the RIGHT va...

Page 96: ... Turn screw 2 right clockwise Increase CO2 percentage Turn screw 2 left counter clockwise The service operation of the water heater will be active for 40 minutes After this period the water heater will return to normal operation 21 8 2 Procedure 2 adjust at minimum load In case B gas conversion or replacement of gas valve consult 21 2 before starting procedure 2 below Carry out the next 3 steps 1 ...

Page 97: ...operational and so are both recirculation protection if applicable and frost protection To reactivate the water heater switch on the burner by pressing ON OFF for six seconds again The frost protection module can still activate the burner s To prevent this switch off this protection or put the water heater in power off mode next paragraph OUT OF OPERATION POWER OFF To assure that the water heater ...

Page 98: ...he fault 23 1 1 Lock out codes Having a lockout means that the water heater needs a manual reset to start operating again When the water heater is in lockout the backlight of the display is blinking on and off Explanation 9 9 9 5 h r s time elapsed after fault message Explanation P u m p 1 o n status of the pump during fault Display message F0 F l o w s e n s o r e r r o r p u m p o n 9 9 9 5 h r ...

Page 99: ...n s e n s o r e r r o r p u m p o n 9 9 9 5 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 Cause Bad temperature sensor causing a fault signal Corrective action Replace return sensor Display message F6 F l u e s e n s o r e r r o r p u m p o...

Page 100: ... in the sensor connections or replace sensor Cause There is no water in the unit while firing Corrective action This is an unlikely situation while all the safeties for checking the water presence didn t detect anything Only a lot of air in the system unit under pressure can cause the water pressure switch to switch while no water is present Also the water leak detection did not react Bleed all ai...

Page 101: ...line are completely open Check if there is no air in the gas supply start up new systems Check if the gas valve opens When there is power supply to the gas valve but the valve does not open the gas valve must be replaced Check if the gas valve opens When there is no power supply to the gas valve check the gas valve wiring connections Check if the gas valve settings are correct and adjust if necess...

Page 102: ...gnal Check the igniter ignition electrode and replace clean it if necessary Check the state of the ceramic insulator Check the distance between the electrode pin earth pin and burner Check the state of the ignition wire is also ionisation wire and replace if necessary Check the state of the igniter earth wire connection and replace it if necessary Check for proper electrical grounding of unit Caus...

Page 103: ...an speed is detected Corrective action Check the 4 wired wiring and connections at the fan and at the main control board Check the 3 wired power supply wiring and connections at both ends Replace the fan Replace the main control board Display message F12 p r o g r a m m i n g e n d p u m p o n 9 9 9 5 h r s Reason Programming of the parameters completed successfully Cause Programming of the parame...

Page 104: ...t might restrict the water flow through the unit Check for an external system pump that influences the flow through the unit Check if the system resistance exceeds the spare capacity of the unit pump Make sure the heat exchanger is clean Heat exchanger fouling partly blockage will increase the resistance causing the water flow to drop For F16 see also Flow Monitoring Display message F17 W a t e r ...

Page 105: ...and clean the siphon if necessary Check the condensate drain hose between the siphon and the condensate drain point in the external installation Condensate must be able to flow freely Cause The condensate drain hose must have an open connection to the external system If not pressure fluctuations in the building drainage system can have effect on the pressure in the heat exchanger of the water heat...

Page 106: ...as exceeded the blocking temperature but it has not exceeded the lock out value Cause Systems that pre heats the water heater return temperature too much high Corrective action Reduce pre heat temperature of external heat source Cause The need for heat in the system suddenly drops causing hot return water to the water heater Corrective action Dampen external heating system control to prevent sudde...

Page 107: ...ransfer all heat to the system water The heat that is not transferred will convert to an increased flue gas temperature Display message A n t i c y c l e t i m e 9 9 9 5 h r s Reason The controller received a new heat demand too fast after the last ended demand Cause Immediately opening and closing of the external thermostat Corrective action Controlled water flow cools down too quickly after loss...

Page 108: ...ernal system pump that sucks water through the water heater causing an under pressure Bad installation design Display message L i n e f a u l t p u m p o n 9 9 9 5 h r s Reason Bad power supply Cause The supplied power does not comply with the specifications Corrective action Check if the power supply is connected correctly to the unit Check the voltage and frequency should be Life Neutral Gnd 230...

Page 109: ...drop Display message W A T R H T R T 3 E x t e r n a l 6 0 0 C 3 0 7 C Reason T3 external tank sensor is not connected to the terminals Cause The sensor is not connected to the terminal or the wire is broken The sensor is malfunctioning Corrective Action Connect the sensor to the terminals 3 and 4 Check the wires from the sensor to the terminals Check the sensor on resistance 10K at 25 C Display m...

Page 110: ...eached Display message N e e d s M a i n t e n a n 0 0 D a t e h r s Reason Maintenance option of the date has been reached Display message N e e d s M a i n t e n a n 0 0 B u r n i n g h o u r s h r s Reason Maintenance option of total amount of burning hours has been reached Display message N e e d s M a i n t e n a n 0 0 A l l h r s Reason One of the abovementioned maintenance options has been ...

Page 111: ...ting P4BE see section 15 4 If this is a gas conversion paste the corresponding sticker at the appropriate position in the Water heater and mark the square for the used gas type Also mark the square indicating that the correct value has been set for parameter P4BD Due to the design of the water heater the conversion to LPG Propane requires adjustment of the gas valve only see 24 2 1 The sequence is...

Page 112: ...y 12 Turn the set point dial fully clockwise and re check the combustion reading at high fire Adjust as necessary 13 Once the setting has been completed depress the small switch below the communication interface port to return the water heater to its normal operating mode 14 Record the combustion data and leave with the appliance for future reference The dust cap once reinstalled should be marked ...

Page 113: ...age N e e d s M a i n t e n a n 0 0 D a t e h r s Reason Maintenance option of the date has been reached Display message N e e d s M a i n t e n a n 0 0 B u r n i n g h o u r s h r s Reason Maintenance option of total amount of burning hours has been reached Display message N e e d s M a i n t e n a n 0 0 A l l h r s Reason One of the abovementioned maintenance options has been reached SERVICE INT...

Page 114: ... for gas tightness Also check if the mounting of these pipes is correct safe and not damaged Any built in safeties should be checked for a correct functioning 25 5 5 Remove complete burner unit The complete burner unit consists of the fan the burner plate and the internal burner To remove this part for an internal heat exchanger check remove the 6 x M6 nuts and the ignition cable After this take o...

Page 115: ...r The same procedure must be applied on the insulation and gaskets fitted on the burner door 25 5 11 Siphon Disassemble the siphon and clean every part of it Check the siphon connection of the heat exchanger for any blocking or pollution and clean it if necessary Check the functioning of the siphon by pouring clean tap water in the burner room when burner door is removed This water will exit the h...

Page 116: ...ctions are disconnected checked and replaced Make sure that all these components are mounted correctly before commissioning the boiler again MOUNTING THE BURNER DOOR CORRECTLY BACK ONTO THE HEAT EXCHANGER Before mounting the burner door make sure that its gaskets and insulation are in excellent shape If any signs of damage or ageing are present these parts must be replaced The burner door must be ...

Page 117: ...At 50 C the risk of scalding is small for most people but the risk increases rapidly with higher temperatures and for longer exposure times The risk to young children and to those with a sensory or mobility loss will be greater Where a significant scalding risk has been identified the use of thermostatic mixing valves on baths and showers should be considered to reduce temperature these need to be...

Page 118: ...k the terminal for any foreign material and remove as necessary 3 Check all flue system connections for leakage and reseal as required 4 Check that ventilation grilles comply with current regulations ERP SPECIFICATION DATA SHEET Water Heater Type EF80 EF100 EF120 EF150 EF180 Manufacturer Lochinvar Limited Load Profile XXL XXL XXL 3XL 3XL Energy Efficiency 86 0 86 3 85 9 89 0 88 6 Daily Electricity...

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