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Danfoss iC7 Series Operating Manual
Danfoss iC7 Series Operating Manual

Danfoss iC7 Series Operating Manual

Cooling modules
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Operating Guide
iC7 Series Cooling Modules
76 kW and 152 kW
drives.danfoss.com

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Summary of Contents for Danfoss iC7 Series

  • Page 1 Operating Guide iC7 Series Cooling Modules 76 kW and 152 kW drives.danfoss.com...
  • Page 3 Series Cooling Modules Operating Guide Contents Contents Introduction Purpose of this Operating Guide Additional Resources Version History Abbreviations Disposal Safety Safety Symbols General Safety Considerations Target Group and Necessary Qualifications Designated Use Safe Operation Product Overview Product Variants Description of the Model Code...
  • Page 4 Mains Connection Data External Auxiliary Voltage Connection Routing Control Wires to the Control Compartment Instruments and Their Function 7.8.1 Pressure Transmitter (PT11 and PT12) 7.8.2 Temperature Sensor (TE11) 7.8.3 Liquid Level Sensor (LLS11) 4 | Danfoss A/S © 2022.02 AQ339830072437en-000202/172F0589...
  • Page 5 Series Cooling Modules Operating Guide Contents 7.8.4 Leakage Sensor (LS11) 7.8.5 Ambient Temperature/Humidity Sensor (TE21/ME21) 7.8.6 3-way Valve Actuator (FV11) Control Unit Control Compartment Overview Internal Components of the Control Compartment Fieldbus Protocols Starting the Cooling Module Commissioning the Cooling Module Maintenance 10.1...
  • Page 6 Series Cooling Modules Operating Guide Contents 11.10 Environmental Conditions 6 | Danfoss A/S © 2022.02 AQ339830072437en-000202/172F0589...
  • Page 7 Other resources are available to understand advanced functions and operation of the product. • AMFI1256 Cooling Module Application Manual – the parameters and fault codes • iC7 Series Liquid-cooled System Modules Operating Guide • VACON Ethernet Option Boards Installation Guide – fieldbus installation ®...
  • Page 8 Protective earth Parts per million Voltage Volt 1.5 Disposal Do not dispose of equipment containing electrical components together with domestic waste. Collect it separately in accordance with local and currently valid legislation. 8 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 9 Make sure that all personnel working on or with the product have read and understood this manual and the additional product-specific manuals. Do not hesitate to contact Danfoss, if you are unclear of the given information, or if you are miss- ing information.
  • Page 10 When working with the cooling module together with the AC drive, also follow the safety instructions in the iC7 Series Liquid- cooled System Modules Operating Guide to prevent any accidents. Retain these operating instructions during the entire life cycle of the cooling module.
  • Page 11 Series Cooling Modules Operating Guide Product Overview 3 Product Overview 3.1 Product Variants The cooling module is available in different variants based on the protection rating, the cooling power, and the number of pumps. The enclosed cooling module has the protection rating IP54, and the standalone cooling module has the protection rating IP23. The available cooling power is 76 kW or 152 kW.
  • Page 12 (19.7 x 74.8 x (28.3 x 74.8 x (23.9 x 81.1 x (28.3 x 81.1 x 21.7) 26.0) 23.9) 26.0) Footprint = space required on the floor Total = clearance including the protruding pipes 12 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 13 Series Cooling Modules Operating Guide Receiving the Product 4 Receiving the Product 4.1 Checking the Shipment Procedure Examine the packaging and the cooling module for transport damage. If the cooling module was damaged during transport, contact the cargo insurance company or the carrier.
  • Page 14 Use a lifting device that is sufficiently strong for the weight of the cooling module. Attach the lifting device in the 2 lifting points on the sides of the cooling module. Illustration 2: Vertical Lifting of the Standalone Cooling Module 14 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 15 Series Cooling Modules Operating Guide Receiving the Product Lifting point Lift the cooling module into a vertical position. Lift the cooling module to the required location. Horizontal lifting of the standalone cooling module Remove the plywood package frame and the cooling module fixing brackets.
  • Page 16 The standalone cooling module is designed to be installed into a Rittal cabinet, but it is possible to install it into any cabinet. If another kind of cabinet is used, make sure the standalone cooling module fits inside it. 16 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 17 Series Cooling Modules Operating Guide Mechanical Installation Table 5: Cabinet Size Plus code Cabinet width, depth, and height [mm (in)] +SAP1 400 x 600 x 2000 (15.7 x 23.6 x 78.7) +SAP2 600 x 600 x 2000 23.6 x 23.6 x 78.7) Procedure To connect the standalone cooling module into the cabinet, design and manufacture special attachment parts.
  • Page 18 11.1.1 Dimensions of the Single-pump Standalone Cooling Module 11.1.2 Dimensions of the Dual-pump Standalone Cooling Module. The installation must be rigid. A good installation prevents the product from moving or being damaged by vibrations. 18 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 19 Series Cooling Modules Operating Guide Mechanical Installation Illustration 7: Mounting Holes of the Standalone Cooling Module Through hole, use an M8 screw Thread hole, M8 Through hole, use an M8 screw. Pre-attach- ed screw and nut. For the mounting holes that have a screw and a nut pre-attached, remove the nut. When attaching the cooling module, replace the nut with a threaded support part (rivet nut).
  • Page 20 The enclosed cooling module is delivered installed in a Rittal VX25 cabinet (model code part E54). Procedure Attach the enclosed cooling module to the floor (4 fixing points) and to the wall (2 fixing points). The floor and the wall must be rigid. 20 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 21 Series Cooling Modules Operating Guide Mechanical Installation Illustration 9: Mounting Holes of the Enclosed Cooling Module The mounting holes at the top The mounting holes at the bottom If the enclosed cooling module is right next to the drive cabinet, do these steps.
  • Page 22 If the system has the option +SCXX (no heat exchanger), an external heat exhanger must be used instead of the internal heat ex- changer of the cooling module. 22 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 23 These requirements can be calculated by fol- lowing the instructions in the relevant drive manual, for example, iC7 Series Liquid-cooled Systems Modules Operating Guide. The plate heat exchanger (HX11) connects the drive circuit and the external circuit thermally.
  • Page 24 Vibration shortens the mean time between failure (MTBF) of the cooling module. Prevent all forces or vibrations from entering the cooling module through the pipe connections of the external circuit or through the fixing points of the cooling module. 24 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 25 Series Cooling Modules Operating Guide Cooling Installation Illustration 12: Components of the External Circuit Outlet piping Inlet piping Heat exchanger 6.5 Direction of Coolant Flow Illustration 13: Direction of Coolant Flow for Left-handed Cabinet Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589 | 25...
  • Page 26 The used corrosion inhibitors must be suitable for stainless steel, aluminum blocks, EPDM seals, FKM seals, polyurethane hoses, and FEP hoses. To prevent corrosion, add the corrosion inhibitor Cortec VpCI-649 to the drive circuit coolant. 6.7 Quality Requirements for the Purified Water 26 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 27 Series Cooling Modules Operating Guide Cooling Installation N O T I C E DAMAGE TO SYSTEM FROM THE USE OF HYDROCARBONS Hydrocarbons damage the rubber seals of the cooling system. Do not use hydrocarbons (for example mineral oil) as coolant. Do not mix hydrocarbons to coolant.
  • Page 28 If the cooling module is not installed in the same line-up as the drives, organize transfer piping between the cooling module and the drives. DIN and ANSI flanges are also available as option. 28 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 29 Series Cooling Modules Operating Guide Cooling Installation Table 7: Transfer Piping Length Pipe characteristics Maximum pipe length [m] Straight line, DN65 pipe With limitations If the cooling module is delivered as a part of a drive, and is in the same line-up, the connections between the cooling module and the drive are pre-made.
  • Page 30 Use a torque of 15 Nm or 20 Nm (133 in-lb or 177 in-lb). Check the correct torque from the sticker on the Axilock joint. 6.13 Location of Valves and Instrumentation 30 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 31 Series Cooling Modules Operating Guide Cooling Installation V218 V218 HX11 V241 V217 V216, V217 V216 PG11 V219, PG11 V219 EV11 LLS11 LLS11 PT12 V121 V231 TE11 PT11 V112 FV11, V111 V214 V213 V211 V212 LS11 Illustration 18: Location of Valves and Instrumentation in Single-pump 76 kW and 152 kW Cooling Module...
  • Page 32 V221 Expansion tank shut-off valve V112 Pump 1 shut-off valve V222 Expansion tank shut-off valve V113 Pump 2 shut-off valve V231 Relief valve V121 Pump 1 shut-off valve V241 Draining valve 32 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 33 Series Cooling Modules Operating Guide Cooling Installation 6.14 Draining the Cooling System Procedure Power off the cooling module. Connect draining hoses to valves V212 and V213. 6.13 Location of Valves and Instrumentation. Open valves V211, V212, and V213. ...
  • Page 34 The relief valve is at the suction side of the cooling module. The pressure on the pressure side (after the pump) can be over 3 bar without the relief valve opening. The pressure gauge on the expansion tank (-PG11) indicates the suction side pressure. Procedure 34 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 35 Series Cooling Modules Operating Guide Cooling Installation Remove the actuator mounting plate, marked with the text ”FV11”. The plate is mounted with 4 size M5x10 TX screws. Illustration 20: Removing the Mounting Plate of the Valve Actuator Before removing the valve actuator, adjust the valve to one of the extreme positions, 0º (bypass), or 90º (via HEX).
  • Page 36 Before mounting the actuator, make sure that the actuator and shaft are in the same position. If necessary, turn the manual adjustment screw. Turning the screw clockwise turns the valve to 90º and counterclockwise to 0º. 36 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 37 +SAP1: V112 or V121 +SAP2: V112 and V113 or V121 and V122 Do the procedure to fill the drive according to the drive specification. See the iC7 Series Liquid-cooled System Modules Operating Guide. Close the valve V218 after liquid comes out from it.
  • Page 38 Drive valve V8 First cabinet Second cabinet 6.17.2 Filling the Cooling System by Forced De-airing Use these instructions to add liquid into the cooling system and to de-air the cooling system. 38 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 39 Series Cooling Modules Operating Guide Cooling Installation • Check that all pipes and hoses are connected. • Check that all the valves are open or closed as they should be. Valves in +SAP1 Valves in +SAP2 Position V112, V121...
  • Page 40 Illustration 26: The Correct Rotation Direction of the Pump Motor If the pump rotates in the wrong direction, change 2 mains cable phases (for example, L1 and L2) between each other at the junction box. 40 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 41 Series Cooling Modules Operating Guide Electrical Installation 7 Electrical Installation 7.1 Electrical Safety D A N G E R SHOCK HAZARD FROM AUXILIARY VOLTAGE The main switch does not disconnect the auxiliary voltage, if the auxiliary voltage is supplied externally. Contact with this voltage can cause death or serious injury.
  • Page 42 The service switch disables all the software protections of the cooling module. High temperature and pressure can cause serious personal injury. Running the cooling module in service mode can damage the equipment. Only qualified personnel should use the service mode. 42 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 43 Series Cooling Modules Operating Guide Electrical Installation W A R N I N G UNEXPECTED PUMP STARTS In dual-pump cooling modules, if the service mode is activated with the Service switch -SF3 in the AUTO mode, the running pump is selected randomly. This can damage the equipment and cause personal injury.
  • Page 44 Route the mains cable through the M25 bushing below the junction box. Connect the L1, L2, L3, and grounding conductors into the terminal block. Leave the possible N conductor unconnected. Protect the mains cable from short circuits. 44 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 45 Series Cooling Modules Operating Guide Electrical Installation 7.5 Mains Connection Data Table 14: Power Requirement of the Cooling Module Characteristics of the cooling module Power requirement [kW] Liquid heater 152 kW (380–690 VAC) 152 kW (400 VAC) 152 kW (690 VAC) 76 kW (380–690 VAC)
  • Page 46 The liquid level sensor monitors the liquid level inside the expansion tank. If the liquid level is too low, an alarm appears. Check the liquid level and possible leaks. Check the liquid level regularly. 46 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 47 Series Cooling Modules Operating Guide Electrical Installation 7.8.4 Leakage Sensor (LS11) The leakage sensor (LS11) is on the leakage plate at the bottom of the cooling module. The function of the sensor is to give a signal to the control unit, when there is liquid on the leakage plate. The liquid can be from a leak in one of the circuits, or from condensa- tion on colder pipe surfaces due to high relative humidity of the air.
  • Page 48 There are also potential free changeover relay contacts for Cooling OK, Fault, and Alarm signals. Refer to the electrical diagrams for connection. With the control panel, it is possible to modify parameters, monitor the cooling module operation, and clear alarms and faults. Refer to the application manual for more information. 48 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 49 Series Cooling Modules Operating Guide Control Unit 3 4 5 6 7 Illustration 28: Control Compartment Door Control panel (-PGA) Alarm indication light (-PF5) Pump 1 indication light (-PF2.1) Reset button (-SF4) Pump 2 indication light (-PF2.2) Pump select switch (-SF2)
  • Page 50 (-FC5) is installed in the same position. If auxiliary voltage is supplied externally, the Auxiliary voltage supply protective device (-FC4) is installed instead of the Auxiliary voltage transform- er primary protection device (-FC4). 50 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 51 Series Cooling Modules Operating Guide Control Unit 8.3 Fieldbus Protocols The available fieldbus protocols: • PROFINET IO • EtherNet/IP • Modbus TCP • Modbus RTU • BACnet MSTP • Metasys N2 The cooling module can be connected to fieldbus with an RS485 or an Ethernet cable. If an RS485 cable is used, connect it to termi- nals A and B of the standard I/O board.
  • Page 52 If the pump rotates in the wrong direction, change 2 mains cable phases (for example, L1 and L2) between each other at the junction box. See 6.18 Checking the Pump Rotation Direction.  The cooling module is ready to be used. 52 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 53 10.1 Preventive Maintenance Recommendations Generally, all technical equipment, including iC7 Series Cooling Modules, need a minimum level of preventive maintenance. Regular maintenance is recommended to ensure trouble-free operation and long life of the cooling module. It is also recommended, as a good service practice, to record a maintenance log with counter values, date, and time describing the maintenance and service actions.
  • Page 54 When replacing the coolant in the drive circuit of the cooling system, measure findings and record the level of glycol. The glycol concentration depends on the ambient temperature. The minimum concentration level is 75/25% demineralized water/ glycol. 54 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 55 The pre-mixed coolants contain specific percentages of glycol and inhibitor for and inhibitor findings antifreeze and corrosion protection. The advantage of using a pre-mixed coolant coolant is that the chemical composition is within Danfoss specifications, and there is no need for analyzing the coolant. Demineralized 1 year Based on Only use demineralized, deionized, or distilled water in the coolant solution.
  • Page 56 Do not use the Axilock joints when connecting the CIP equipment to the heat exchanger. Clean the heat exchanger with the CIP equipment. To remove chemicals after the cleaning, flush the heat exchanger with fresh water. 56 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 57 Series Cooling Modules Operating Guide Specifications 11 Specifications 11.1 Dimensions 11.1.1 Dimensions of the Single-pump Standalone Cooling Module 71.5 301.5 111.5 (2.81) (11.87) (1.3) (4.38) (0.51) 1887.8 (74.32) 1874 1849 (73.78) (72.79) 1793 (+SETL/R) (70.59) 1509 (59.41) 1249 (49.17) 1186 (46.69)
  • Page 58 (2.44) (15.91) (25.98) (4.41) (1.14) (2.91) (2842) (16.69) (18.46) (19.61) (4.41) 472 (+SETL/R) (18.58) 210.5 (SEDL/R) (3.66) (2.29) (2.52) Illustration 32: Dimensions of the Dual-pump Standalone Cooling Module in mm (in) 58 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 59 Series Cooling Modules Operating Guide Specifications 11.1.3 Dimensions of the Single-pump Enclosed Cooling Module, Drive Circuit Pipes on the Left (3.74) 212 (+SEDL) (8.35) 475 (+SETL) (16.02) (18.70) (24.01) 36.5 Ø13 (13.19) (1.44) (0.51) 2058 (81.02) 2038 1845 (+SETL) (80.24)
  • Page 60 (23.96) (2.24) (23.94) (2.24) 36.5 (26.06) (1.44) (21.06) M12 20 (21.06) 36.5 (1.44) Illustration 34: Dimensions of the Dual-pump Enclosed Cooling Module in mm (in), Drive Circuit Pipes on the Left 60 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 61 Series Cooling Modules Operating Guide Specifications 11.1.5 Dimensions of the Single-pump Enclosed Cooling Module, Drive Circuit Pipes on the Right (3.74) 212 (+SEDR) (8.35) 475 (+SETR) (16.02) (18.70) (24.01) 36.5 Ø13 (13.19) (1.44) (0.51) 2058 (81.02) 2038 (80.24) 2003 1844 (78.86)
  • Page 62 (2.24) (2.24) (23.94) (23.96) 36.5 (1.44) (21.06) (26.06) M12 20 (21.06) 36.5 (1.44) Illustration 36: Dimensions of the Dual-pump Enclosed Cooling Module in mm (in), Drive Circuit Pipes on the Right 62 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 63 Series Cooling Modules Operating Guide Specifications 11.1.7 Dimensions of the Optional DIN Flanges +SGFD (6.38) 88.4 (3.48) 88.4 (3.48) Ø54.3 (2.14) (0.79) Ø102 (4.01) Ø165 (6.49) (0.31) +SIFD (6.34) 261.5 (10.29) Illustration 37: Dimensions of the Optional DIN Flanges, +SGFD and +SIFD, in mm (in) Danfoss A/S ©...
  • Page 64 +BABN BACnet MSTP +BAMS Metasys N2 Control panel +BF20 Control panel Product series +DACM Cooling module application Technical documentation +EGOP Operating guide Documentation language +EHEN English Cooling module configuration +SAP1 Single-pump 64 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 65 Series Cooling Modules Operating Guide Specifications Option group Plus code Description +SAP2 Dual-pump, redundant Heat exchanger +SCXX None +SCLE Liquid-to-liquid Cooling connection location +SEDL Drive connect, left base +SEDR Drive connect, right base +SETL Drive connect, left base/top +SETR...
  • Page 66 Series Cooling Modules Operating Guide Specifications 11.3 Supply Pressure 11.3.1 Supply Pressure of the 152 kW Single-pump Cooling Module Illustration 39: Supply Pressure of the 152 kW Single-pump Cooling Module l/min 66 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 67 Series Cooling Modules Operating Guide Specifications 11.3.2 Supply Pressure of the 152 kW Dual-pump Cooling Module Illustration 40: Supply Pressure of the 152 kW Dual-pump Cooling Module l/min Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589 | 67...
  • Page 68 V211 Suction block V214 V213 V212 Filling / Draining Filling / Draining Draining Illustration 41: Piping and Instrumentation Diagram of the Single-pump Cooling Module with an External Heat Exchanger 68 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 69 Series Cooling Modules Operating Guide Specifications EV11 Expansion tank V111 3-way valve Motor over temperature switch V112 Pump shut-off valve FV11 3-way valve actuator V121 Pump shut-off valve LLS11 Liquid level sensor V211 Shut-off valve LS11 Leakage sensor V212...
  • Page 70 V211 V122 V113 V214 V215 V213 V212 Filling / Filling / Draining Draining Draining Draining Illustration 43: Piping and Instrumentation Diagram of the Dual-pump 76 kW and 152 kW Cooling Module 70 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 71 Series Cooling Modules Operating Guide Specifications EV11 Expansion tank V113 Pump 2 shut-off valve FCX 1 Motor over temperature switch V121 Pump 1 shut-off valve FCX 2 Motor over temperature switch V122 Pump 2 shut-off valve FV11 3-way valve actuator...
  • Page 72 SUPPLY 400...690 VAC ±5 %, 50/60 Hz -XD0 -QB0 -FC1 -QA5.1 -FCX.1 -XD7.1 Short-circuit protected -FCZ -QAZ -EBZ.1 -EBZ.2 Option +SKLH Illustration 44: Wiring Diagram for Single-pump iC7 Cooling Module with Auxiliary Transformer 72 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 73 Series Cooling Modules Operating Guide Specifications -TA4 -FC4 -TB7 SUPPLY 400...690 VAC ±5 %, 50/60 Hz -XD0 -QB0 -FC1 -QA5.1 -FCX.1 -XD7.1 -QA5.2 -FCX.2 -XD7.2 Short-circuit protected -FCZ -QAZ -EBZ.1 -EBZ.2 Option +SKLH Illustration 45: Wiring Diagram for Dual-pump iC7 Cooling Module with Auxiliary Transformer Danfoss A/S ©...
  • Page 74 ±5 %, 50/60 Hz -XD0 -QB0 -FC1 -QA5.1 -FCX.1 -XD7.1 Short-circuit protected -FCZ -QAZ -EBZ.1 -EBZ.2 Option +SKLH Illustration 46: Wiring Diagram for Single-pump iC7 Cooling Module with External Auxiliary Supply 74 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 75 Series Cooling Modules Operating Guide Specifications -XD0 -FC4 -QAM -XB1 SUPPLY 100...240 VAC -15 %...+10 %, 50...60 Hz -EB1 -TB7 Short-circuit Option +SLEH protected SUPPLY 400...690 VAC ±5 %, 50/60 Hz -XD0 -QB0 -FC1 -QA5.1 -FCX.1 -XD7.1 -QA5.2 -FCX.2 -XD7.2...
  • Page 76 Light Pump 2 Pump 1 Cabinet Service Pump 1 Pump 2 * Dual-pump variant only Overload Overload Heater Switch Contactor Contactor* Relay* Optional Relay Aux. Relay Illustration 48: Signal Block Diagram 76 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 77 Series Cooling Modules Operating Guide Specifications Cabinet Circuit Cabinet Heater Breaker Heater Aux. Relay Ambient Circuit Ext. Aux. Power Supply Temp./ Breaker 3-Way Valve Humidity Actuator Sensor 24 VDC Aux. voltage Sensor Leakage Power transformer Detector Supply Expansion Tank...
  • Page 78 6.6 Cool- ant Quality in the Drive Circuit Corrosion inhibitor Drive circuit: Corrosion inhibitor required for long lifetime 78 | Danfoss A/S © 2022.02 AQ339830072437en-000202 / 172F0589...
  • Page 79 Series Cooling Modules Operating Guide Specifications Item/function Data Allowed materials in the AC drive Aluminum. cooling system Stainless steel AISI316. Plastic (PVC not allowed). Elastomers (EPDM, NBR, FDM). Pipe connections External circuit: DN50 pipe with Axilock-S coupling, DIN/ANSI flanges Drive circuit: DN50 pipe with Axilock-S coupling, DIN/ANSI flanges Axilock-S couplings are included in the delivery.
  • Page 80 P & I diagram..................68, 69, 70 Drive circuit....................23, 26 Parameter settings..................23 Pipe connections..................28 Plus code......................11 Power block diagram.................. 76 Environmental conditions..............16, 79 Power requirement..................45 External circuit..................24, 27 Pressure test....................34 Pressure transmitter 80 | Danfoss A/S © 2022.02 AQ339830072437en-000202/172F0589...
  • Page 81 Series Cooling Modules Operating Guide Index Description.................... 46 Storage......................13 Pressurized water..................34 Suction block....................23 Product variants....................11 Supervision..................... 24 Protection rating...................11 Supply pressure..................66, 67 Pump......................39, 44 Symbols......................9 Pump contactors..................43 Pump select switch..................48 Purified water..................26, 27 Temperature sensor Purpose of the guide..................
  • Page 82 Danfoss can accept no responsibility for possible errors in catalogs, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

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