Myson Lo-Line Fan Convector Installation Guide.pdf - BHL.co.uk

LO-LINE RC & LO-LINE RC Heater Cooler079.0 Commissioning Procedure● Fill and vent the system.● Open both valves fully and vent air from the heat exchangerby unscrewing the air bleed valve situated above the valves inthe angled top of the chassis.● Check for leaks at pipe connections.● Refit the outer case and secure using the 2 fixing screws.● Switch on electrical supply.● Check the operation of the unit in automatic and manualmodes (LO-LINE) or heating and cooling modes (LO-LINEHeater-Cooler) by following the operating instructions.● When installation and commissioning are complete, hand overinstruction manual to end-user.Heat Pump Applications - Low Water Set PointAdjustment Heating ModeThe low limit water set point is factory set to 43°C, but forsystems such as those with heat pumps, a lower water set pointmay be required. The set point can be adjusted using the setpoint switch located on the control board.● Isolate electrical supply.● Remove outer cover.● Change switch position (see fig. 4)● Refit cover.● Switch on electrical supply.Displayed Temperature CalibrationThis function enables calibration of the displayed temperatureto the actual room temperature using the following procedure:● Press the ‘On/Off’ key and ‘+’ key for 5 seconds (the displaywill flash, alternating between ‘ro’ and the calibrationtemperature.● Calibrate the displayed room temperature by using the‘+’ and ‘-’ keys.● Press the ‘On/Off’ key to finish9.08.0DipswitchesFig. 4Switch Switch Down Switch Up1 Water Stat Set Point 32°C 43°C2 Heating / Cooling Heating & Cooling Heating3 Not Used4 Temperature Display °F °C