Alpha InTec Trace Heating Kit Installation Instructions Part No 6.5500000 General The Alpha InTec Trace Heating Kit consists of a relay PCB, outside weather probe and a 3m length of trace heating wire. The trace heating wire is attached externally to the condensate pipe and must be insulated with water proof lagging. The relay PCB is fitted into the PCB compartment of the boiler and the trace heating wire is connected directly to it, whilst the outside weather probe is connected to its own designated terminals within the boiler. The control of this kit works with a unique patented design using the boilers PCB to control the trace heating. The outside weather probe measures the external temperature, activating the trace heating cable only when the boiler is in operation and producing condensate. This feature together with the latest technology variable resistance heating cable ensures only a small amount of electrical energy is used. If the external temperature drops below 2ºC and the boiler is on, the relay PCB is operated and voltage is supplied to the trace heating wire causing it to heat up and prevent the condensate from freezing. When the outside temperature rises to 4ºC or the boiler pump stops, the trace heater is switched off. The connection of the outside weather probe also enables the weather compensation feature on the boiler. 1 2 3 Fig 1 Kit Contents: 1. 2. 3. Heating Cable Relay PCB External Probe Part No. 7.2000000 Part No. 3.022464 Part No. 3.022383 10W/m Nominal 65ºC UV and Corrosive resistant 13mm @ 20ºC Table1 Power Consumption Maximum Operating Temperature Cable Exposure Spec Minimum bend radius These instructions have been carefully prepared but we reserve the right to alter the specification at any time in the interest of product improvement. © Alpha Therm Limited 2011. Alpha Therm Limited. Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Tel: 0844 871 8764 Email: [email protected] Website: www.alpha-innovation.co.uk Installing the Trace Heater Wire The black section of the trace heater wire must be spiralled around the condense pipe and held in place with cable ties. If the wire is too long then the spirals must be made closer together, do not cut the wire. The white three core flex can be either passed through the wall next to the condense pipe or through another drilled hole if required. Doc No 7.2000001 Rev 000 Installing the Relay PCB a. b. c. d. e. f. Gain access to the boiler PCB as described in the boiler installation manual section 7.1 Connect the data link harness (black wires) to X5 on the main PCB and to X26 on the relay PCB. Connect the 230 volt wire to X11 on the main PCB and to X21 on the relay PCB. Run the Trace Heating wire through the terminal block cover grommet and connect it to terminals 52 and 53 (relay 2) on the relay PCB and the earth to the main earth on the boiler supply terminal block. House the relay PCB into the two slotted pegs in the back of the control panel and secure the wire using the clamp provided. Re-assemble in reverse order. Setting the parameters (The boiler should already be set to parameter P4 and setting option 6, if not please alter as set out below) To activate the configuration menu the DHW knob must be set to 6’O clock and the CH knob set to 9’O clock positions (see fig 5), then press the D button (summer winter) and B button (reset) simultaneously for 8 seconds. Now activated, the screen will display the parameter group plus parameter number followed by the parameter value. There are three settable parameter groups “SX”, “PX” and “tX”. To scroll through the parameters press the “D” button for 1 second. Once the parameter group is selected you can rotate the DHW knob to select the parameter that needs to be adjusted. To adjust the selected parameter rotate the CH knob until the required value is obtained, this will be indicated by a fast flashing of the new value. To accept the new value press the B button (reset) the new value will be confirmed by number “88” showing on the screen for 2 seconds. The parameter value and group will flash alternately on the screen. To exit the parameter settings you will need to press and hold the D button (summer winter) and B button (reset) simultaneously for 4 seconds. Fig 5 Parameter Default Parameter setting options Settings when using an InTec C or InTec GS boiler 0 = DHW off temp. 65ºC - on temp 64ºC 1 = DHW off, set point + 5ºC - on, set point + 4ºC 2 = Same as 0. Settings when using an InTec S boiler and system diverter valve kit. 0 = Cylinder on = set point temp -3º Cylinder off = set point 1 = Cylinder on = set point -2ºC Cylinder off = set point +1ºC 2 = Cylinder on = set point -10ºC Cylinder off = set point DHW ignition delay setting adjustment 0 to 30 seconds 0 = Flashing 1 = Continuous 0 = Off 1 = Main zone control 2 = Generic alarm 3 = Active heating stage (external pump) 4 = External safety gas solenoid valve shut off 5 = FlowSmart enabled 0 = Off 1 = Generic alarm 2 = Active heating stage (external pump) 3 = External safety gas solenoid valve shut off 4 = Secondary zone control 5 = Heat pump (3 way) 6 = Condense pipe trace heating control 0 = Off 1 = Remote chillier activation 2 = Generic alarm 3 = Active heating stage (external pump) 4 = External safety gas solenoid valve shut off 5 = Heat pump 6 = DHW secondary circulation 7 = Main zone control 8 = Condense pipe trace heating control Table 2 Fig 2 P0 DHW Cylinder thermostat 0 P1 Solar time delay P2 Pump function 0 0 P3 Relay 1 function Fig 3 1 Installing the Weather Probe Please refer to the separate external probe instruction, which can be found in the external probe box P4 Relay 2 function 6 P5 Relay 3 function 0 Fig 4 Find best value and selection for your Intec force 2 Insulation blower system search on eBay. 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