Lochinvar Copper-fin II/IIE Boiler and Water Heater 2072 Manuel d'utilisateur

Copper-fin II/IIE Boiler and Water HeaterService Manual Models: 402 - 2072 This manual must only be used by a qualified heating installer / service te

1 Service10Sequence of operation Table 1A_(continued from previous page) Sequence of Operation - Space Heating and DHWOPERATION DISPLAY9. If the DHW

11Display panel menu access Table 1B_Use this procedure to access menus from the display panel1 Service (continued)Note:

1 Service12Display panel parameter accessCascadeBMSTable 1C_This is a typical example of accessing a parameter, shown for parameter K2, SH pump delay

13Parameter table A - Boiler OperationTable 1D_This table lists SMART SYSTEM control module parameters and where to access them for boiler operation O

1 Service14Parameter table A - Boiler Operation (continued)Table 1D_(continued from previous page) This table lists SMART SYSTEM control module param

Parameter table B - Water Heater OperationTable 1E_This table lists SMART SYSTEM control module parameters and where to access them for water heater o

Parameter table B - Water Heater Operation (continued)Table 1E_(continued from previous page) This table lists SMART SYSTEM control module parameters

17Viewable and changeable control parametersGeneralUser codeThe User Code allows the user to access and change a limited number of control parameters.

1 Service18SH Maximum setpoint (boiler only)The SH maximum setpoint sets the maximum water temperature setpoint that can be used for space heating.

1 Service (continued)19 Copper-fin II/IIE Boiler and Water Heater Service ManualDHW/SH switching time (boiler only)The time that the SMART SYSTEM con

2Hazard definitionsThe following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or

1 Service20Maximum SH setpointWhen the outdoor temperature drops to its minimum setting (F1) the water temperature setpoint will be at this value, if

1 Service (continued)21Outdoor air shutdown differentialThe outdoor air shutdown differential parameter is the number of degrees below parameter F5 t

Control modesSH controlling sensor (boiler only)The SH controlling sensor parameter selects the sensor the control will use to regulate the boiler fir

1 Service (continued)23CascadeBoiler addressThe boiler designated as the Leader needs to be programmed with address 0. All the Member boilers requir

24Service NotificationService interval time (months)When the boiler control determines that a scheduled service is due based on days of installation,

2 Maintenance25Maintenance and annual startupService technician(see the following pages for instructions)General: • Address reported problems • In

26Follow the service and maintenance procedures given throughout this manual and in component literature shipped with the appliance. Failure to perfo

2 Maintenance (continued)27Check relief valve1. Inspect the relief valve and lift the lever to verify flow. Before operating any relief valve, ensu

282 Maintenance Copper-fin II/IIE Boiler and Water Heater Service ManualCheck all wiring1. Inspect all wiring, making sure wires are in good conditi

292 Maintenance (continued) Copper-fin II/IIE Boiler and Water Heater Service ManualAccess to the burners will require the following steps:1. Turn o

Copper-fin II/IIE Boiler and Water Heater Service ManualPlease read before proceedingInstaller – Read all instructions, including this manual and the

2 Maintenance30 Copper-fin II/IIE Boiler and Water Heater Service ManualAdjusting combustion air pressureThe following is a recommended method for se

2 Maintenance (continued)31 Copper-fin II/IIE Boiler and Water Heater Service ManualPRESSUREREGULATORADJUSTMENT(UNDER CAPSCREW)INLETOUTLETGASVALVECON

2 Maintenance Copper-fin II/IIE Boiler and Water Heater Service ManualInspect and clean the heat exchanger1. Turn off the main electrical power to t

3 Troubleshooting33Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Always

3 Troubleshooting34FAULT CAUSE CORRECTIVE ACTIONNo Display- No 120 VAC supplied to unit. • Check external line switch, fuse, or breaker.• Check p

3 Troubleshooting (continued)35Temperature Resistance Temperature Resistance-50 490,813 20 46,218-40 336,606 30 34,558-30 234,196 40 26,099-20 165,18

3 Troubleshooting36FAULT CAUSE CORRECTIVE ACTIONNoisy Operation- Gas supply problem. • Refer to the Gas Connections Section of the Installati

3 Troubleshooting (continued)37FAULT DESCRIPTION CORRECTIVE ACTIONGas Pressure SW(Will require a manual reset once the condition has been corrected.)

3 Troubleshooting38FAULT DESCRIPTION CORRECTIVE ACTIONNo Flame Ign(Will require a manual reset. Press the RESET button on the SMART SYSTEM display t

3 Troubleshooting (continued)39FAULT DESCRIPTION CORRECTIVE ACTIONNo Flame Running(Will require a manual reset once the condition has been corrected.

4What is in this manual?ServiceThe Copper-fin display• Display panel readout, buttons and their functionsControl module inputs• Control module inputs

40FAULT DESCRIPTION CORRECTIVE ACTIONManual Reset High Limit(Will require a manual reset once condition has been corrected. Press the RESET button on

3 Troubleshooting (continued)41FAULT DESCRIPTION CORRECTIVE ACTIONLouver Proving(Lockout will reset automatically after 5 minutes or may be

3 Troubleshooting42FAULT DESCRIPTION CORRECTIVE ACTIONTemp O/Shoot(Lockout will reset automatically after 5 minutes or may be reset immediately once

3 Troubleshooting (continued)43FAULT DESCRIPTION CORRECTIVE ACTIONService BlkWhile the unit is in Service Mode, the outlet temperature has exceeded 1

Revision Notes: Revision A (ECO #C11226) initial release to reflect the new manual name and removal of the pool heater information.CFX-CHX-SER Rev A9

1 Service5MENU/EXITDISPLAY SCREENENTER/RESETTXENSUOIVERPNWODPU• Press to turn heater off or back on• Press to select a menu item• Press after paramet

1 Service6SMART SYSTEMCONTROL BOARDLOWVOLTAGECONNECTIONBOARDDHW THERMOSTAT(OPTIONAL)ROOM THERMOSTAT/ZONE CONTROL(OPTIONAL)SYSTEM SUPPLY/ENABLE SENSOR

7SMART SYSTEMCONTROLBOARDLOW VOLTAGECONNECTIONBOARDTHREE WAY VALVE(OPTIONAL ON BOILER)LOUVER RELAYBUILDINGMANAGEMENTSYSTEMRUN TIME CONTACTSALARM CONTA

1 Service8General OperationHow the appliance operatesThe Copper-fin uses a finned copper tube heat exchanger to transfer heat from the flue products

9Sequence of operationTable 1A_Sequence of Operation - Space Heating and DHW1 Service (continued)OPERATION DISPLAY1. The manual reset high limit must