Table Of Contents - Lochinvar EcoForce EF80 Installation, Commissioning, User And Maintenance Instructions

Wall mounted gas fired condensing water heater
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INTRODUCTION ......................................................................................................................................................................................................................................................................... 5
Regulations ......................................................................................................................................................................................................................................................................................... 5
SAFETY GUIDELINES ............................................................................................................................................................................................................................................................... 6
General Description Of Safety Symbols Used .................................................................................................................................................................................................................................. 6
What To Do If You Smell Gas ............................................................................................................................................................................................................................................................ 7
TECHNICAL DATA ..................................................................................................................................................................................................................................................................... 8
WATER QUALITY ..................................................................................................................................................................................................................................................................... 13
ACCESSORIES AND UNPACKING ........................................................................................................................................................................................................................................ 13
Ancillary Items .................................................................................................................................................................................................................................................................................. 13
Unpacking ......................................................................................................................................................................................................................................................................................... 13
INSTALLATION ......................................................................................................................................................................................................................................................................... 14
General Notes ................................................................................................................................................................................................................................................................................... 14
Condensate Drain ............................................................................................................................................................................................................................................................................. 15
Filling The Condensate Trap ............................................................................................................................................................................................................................................................ 15
GAS SUPPLY............................................................................................................................................................................................................................................................................ 16
Service Pipes .................................................................................................................................................................................................................................................................................... 16
Meters ............................................................................................................................................................................................................................................................................................... 16
Gas Supply Pipes ............................................................................................................................................................................................................................................................................. 16
Boosted Gas Supplies ...................................................................................................................................................................................................................................................................... 16
Plant-Room Control Valve................................................................................................................................................................................................................................................................ 16
Equipment Gas System Leak Check ............................................................................................................................................................................................................................................... 16
FLUE SYSTEM ......................................................................................................................................................................................................................................................................... 17
General ............................................................................................................................................................................................................................................................................................. 17
Flue System Technical Details ........................................................................................................................................................................................................................................................ 17
Flue Terminal Location ..................................................................................................................................................................................................................................................................... 18
Approved Flue System ..................................................................................................................................................................................................................................................................... 19
Installation Precautions .................................................................................................................................................................................................................................................................... 19
C13, C33 Concentric Flue Systems ................................................................................................................................................................................................................................................ 20
C53 Twin Pipe Flue Systems ........................................................................................................................................................................................................................................................... 28
B23 Conventional Flue Installations ................................................................................................................................................................................................................................................ 34
Flue Discharge.................................................................................................................................................................................................................................................................................. 37
Type B23 (Conventional Flue) ......................................................................................................................................................................................................................................................... 37
Conventional And Twin-Pipe Flue Termination (Flat And Tiled Roofs) ......................................................................................................................................................................................... 37
Type C43 U Duct ............................................................................................................................................................................................................................................................................. 37
Common Flue Systems .................................................................................................................................................................................................................................................................... 38
Flue Terminal Guarding ................................................................................................................................................................................................................................................................... 38
Condensate Drain ............................................................................................................................................................................................................................................................................. 38
C63 Certified Flue Systems ............................................................................................................................................................................................................................................................. 38
AIR SUPPLY ............................................................................................................................................................................................................................................................................. 39
Combustion Ventilation .................................................................................................................................................................................................................................................................... 39
Cooling Ventilation............................................................................................................................................................................................................................................................................ 39
Mechanical Ventilation ..................................................................................................................................................................................................................................................................... 39
WATER CONNECTIONS ......................................................................................................................................................................................................................................................... 41
Installation Schematic Drawings ...................................................................................................................................................................................................................................................... 41
Open Vented System Arrangement ................................................................................................................................................................................................................................................. 43
Unvented System Arrangement ....................................................................................................................................................................................................................................................... 43
De-Stratification ................................................................................................................................................................................................................................................................................ 43
Circulating Pumps ............................................................................................................................................................................................................................................................................ 44
Storage/Buffer Vessels..................................................................................................................................................................................................................................................................... 44
Minimum 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 The Time And Date .............................................................................................................................................................................................................................................................. 57
Setpoints ........................................................................................................................................................................................................................................................................................... 58
Setting The Timer Programs ............................................................................................................................................................................................................................................................ 58
Hot Water Programme ..................................................................................................................................................................................................................................................................... 59
Pasteurisation Programme............................................................................................................................................................................................................................................................... 60
Checking The Operating History ...................................................................................................................................................................................................................................................... 61
Checking The Fault History .............................................................................................................................................................................................................................................................. 62
Setting The Maintenance Specifications ......................................................................................................................................................................................................................................... 63
Setting The User Lock ...................................................................................................................................................................................................................................................................... 66
Setting The Parameters With The Display Menu ............................................................................................................................................................................................................................ 67
FAULT CODE DISPLAY ........................................................................................................................................................................................................................................................... 75
Lock-Out Codes ................................................................................................................................................................................................................................................................................ 75
Blocking Codes ................................................................................................................................................................................................................................................................................. 77
Messages .......................................................................................................................................................................................................................................................................................... 78
Maintenance Attention Message ..................................................................................................................................................................................................................................................... 78
CONTROL OPTIONS AND SETTINGS................................................................................................................................................................................................................................... 79
Water Heater Options....................................................................................................................................................................................................................................................................... 79
Anti-Legionella (Pasteurisation) Function ....................................................................................................................................................................................................................................... 80
Cascade Control ............................................................................................................................................................................................................................................................................... 81
GENERAL ................................................................................................................................................................................................................................................................................. 83
Maximum Cooling Time ................................................................................................................................................................................................................................................................... 83
Temperature Display On/Off ............................................................................................................................................................................................................................................................ 83
Gas Type Selection .......................................................................................................................................................................................................................................................................... 83
Soft Start Options ............................................................................................................................................................................................................................................................................. 84
Pump Mode (EC Technology).......................................................................................................................................................................................................................................................... 84
Tank Sensor Sensitivity .................................................................................................................................................................................................................................................................... 84
COMMISSIONING AND TESTING .......................................................................................................................................................................................................................................... 84
Water Heater First Flush .................................................................................................................................................................................................................................................................. 84
Filling And Venting The Secondary System And Water Heater(S) ................................................................................................................................................................................................ 84
Checking Water Flow Through The Water Heater .......................................................................................................................................................................................................................... 85
Flow Monitoring ................................................................................................................................................................................................................................................................................ 85
ELECTRICAL INSTALLATION ................................................................................................................................................................................................................................................. 86
GAS INSTALLATION ................................................................................................................................................................................................................................................................ 86
WATER CONNECTIONS ......................................................................................................................................................................................................................................................... 86
COMMISSIONING THE EQUIPMENT .................................................................................................................................................................................................................................... 86
General Checks Prior To Lighting.................................................................................................................................................................................................................................................... 86
Equipment Checks Prior To Lighting ............................................................................................................................................................................................................................................... 86
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