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Regulus 21369 Installation And Operation Manual

Pump station with mixing valve
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Installation and Operation Manual
CSE MIX R8 5/4F PUMP STATION
with mixing valve
CSE MIX R8 5/4F

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Summary of Contents for Regulus 21369

  • Page 1 Installation and Operation Manual CSE MIX R8 5/4F PUMP STATION with mixing valve CSE MIX R8 5/4F...
  • Page 2 / return pipe of a solid fuel boiler, the min. Installation distance of the pipe axis from a wall is 100 mm Code 21369 Data for CSE MIX R8 1F Pump Station Fluid working temperature 5 - 95 °C Max. working pressure 10 bar Min.
  • Page 3 3. Pump Station Connection The pump station may be installed either horizontally or vertically. Example of possible connection I HW STORAGE TANK RGMAT THERMAL STORE Example of possible connection II COMBINATION THERMAL STORE RGMAT │...
  • Page 4 4. Mixing Valve Actuator Technical data Torque 5 Nm Angle of rotation 90° Shift time 120 s Control 3-point (SPDT) Auxiliary switch none Power supply 230 V AC Max. power input 2.5 VA IP rating IP42 Protection class II by EN 60730-1 Cable (cross section area - length) 3 x 0.5 mm²...

  • Page 5: General Information

    5. RPA 25-8 Pump 5.1. General Information The high efficiency circulation pumps of the RPA series are used exclusively for the circulation of liquids in hot water heating systems. Operating the pump in other systems or in systems containing too little water, air bubbles or not pressurized can lead to its rapid destruction.

  • Page 6: Pump Wiring

    5.4. Pump Wiring Connecting/disconnecting the pump must be done by a professionally qualified person! Insert the power cable into the connector on the pump. Connect the wires at the other end of the cable to the corresponding terminals in the terminal block. 5.5.
  • Page 7 NUMBER OF PRESSES OPERATING MODE LED INDICATORS CS III constant speed III (factory setting) PP I proportional pressure I PP II proportional pressure II PP III proportional pressure III CP I constant pressure I CP II constant pressure II CP III constant pressure III CS I constant speed I...

  • Page 8: Manual Restart

    PUMP AIR VENTING If the pump is aerated: Activate the vent function by pressing and holding the control button for 5 seconds. Venting is indicated by five flashing LED lights - see picture. The pump alternately switches on and off during venting. Venting lasts for 5 minutes, after which the pump switches to normal mode.

  • Page 9: Pump Operating Modes

    PUMP OPERATING MODES Proportional pressure PP The operating mode "proportional pressure" is recommended in systems where it is appropriate to reduce the pump discharge pressure together with the decrease of the required flow rate. A typical example is a heating circuit with radiators equipped with thermostatic valves, when choosing this operating mode can reduce the noise of the thermostatic valves, which is usually caused by closing of a larger number of radiators in the system.
  • Page 10 Constant pressure CP The operating mode "constant pressure" (constant head) is suitable for hydraulic circuits of heat sources (boilers, heat pumps, solar thermal systems, etc.), hot water tanks, hot water heaters, floor heating systems and extensive heating circuits where the previous PP mode could cause underheating by reducing the head.
  • Page 11 Constant speed CS The operating mode "constant speed" means that the pump does not adjust its speed in any way depending on the flow rate or head of the hydraulic circuit. The flow rate and head of the pump is therefore completely dependent on the set speed level (I, II, III) and on the setting of the hydraulic circuit.

  • Page 12: Technical Data

    5.6. Technical Data Electric Data Power supply 1~230 V, 50/60 Hz Max. power consumption 65 W Max. current 0.65 A IP rating IP 44 Insulation class Motor protection not needed (block resistant) 5.7. FAULTS, THEIR CAUSE AND TROUBLESHOOTING FAULT PROBABLE CAUSE TROUBLESHOOTING Loose cable or power Check the power supply and power cable...

  • Page 13: Installation Options

    6. Installation options The pump station comes with a mixing valve in the left-hand position (see Fig. 1). If this installation position is convenient, there is no need to make any adjustments. When needed, the mixing valve can be rotated to the right-hand position (see Fig. 2). After the valve is turned by 180° and the fittings tightened, the actuator lock shall be unscrewed and screwed into the opening at the other valve side (see Fig.
  • Page 14 ARROW SHAFT RED WHEEL Fig. 4 Prior to fitting the actuator on the plastic adapter, switch it to manual control, set the control knob to the middle of its control range (i.e. to the divide between red and blue on the label) and then fit the actuator onto the adapter already on the valve.
  • Page 15 After the actuator is fitted, the correct position of the round indication label (hot/cold) shall be checked as to the right function and position of the valve; the colours shall correspond to the cold and hot water connections. In case of a vertical installation in central heating, the red mark on the label shall be on the right-hand side for left-hand installations (see Fig.
  • Page 16 01/2025 ©2025 We reserve the right to errors, changes and improvements without prior notice. REGULUS spol. s r.o. E-mail: sales@regulus.eu Web: www.regulus.eu...

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Cse mix r8 5/4f