NIBE F1330 - Klimats24.lv

Installation / AdjustmentDescription of functions - Expansion card 11Sub shuntA shunt valve (SV-V2) and a circulation pump (VBP4) canbe connected to a second heating circuit with a lowertemperature requirement.The circulation pumps for heating circuits 1 and 2 (VBP3and VBP4) are controlled together. These are activated instandby mode.The flow temperature is controlled via the shunt valve’sincrease/decrease signal and the sensor FS2.The possibility to set the period and pulse times for theshunt are located in menus 3.8 and 3.9.The calculation of the flow temperature is done in thesame way and with the same type of settings as forheating circuit 1.Connection of the sub shuntThe flow line sensor 2 (FS2) is fitted on the flow line towardsheating circuit 2. The sensor must make good contactwith the measurement area to give the best function.When a submerged tube is not available, use the suppliedcopper tube. The sensor is connected to screw terminalsX4:7 and X4:8 on the EBV-card”.The return sensor 2 (RG2) is fitted on the flow line towardsheating circuit 2. The sensor must have good insulationand make good contact with the measurement area to givethe best function. The sensor is connected to screw terminalsX4:5 and X4:6 on the EBV-card”.The pump’s (VBP4) control signal is connected to the terminalblocks X6:19 (230 V), X6:20 (N), i. e. same connectionas VBP3.The shunt valve (SV-V2) is connected to the terminal blocksX6A:5 (230 V decrease signal), X6A:6 (N) and X6A:7(230 V increase signal).Note that F1330 delivers 230 V control signals intendedto control external contactors and not to drivepumps.+EBV-cardX4X6X6AX4LEKThe heat pump in the picture is fitted with accessories.38 NIBE F1330