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MOUNTING AND OPERATING INSTRUCTIONS EB 3992 EN Translation of original instructions Type 7311 Air Control System Systems and Modules Edition July 2024...
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These mounting and operating instructions (EB) assist you in mounting and operating the device safely. The instructions are binding for handling SAMSON devices. The images shown in this document are for illustration purposes only. The actual product may vary. _ For the safe and proper use of these instructions, read them carefully and keep them for later reference.
Retuning the zero point of the controller module....................28 9.2.4 Putting the system back into operation after service work..................28 Ordering spare parts and operating supplies....................... 28 Decommissioning..............................29 Removal................................30 11.1 Removing the device............................30 Repair................................31 12.1 Returning devices to SAMSON..........................31 Disposal................................32 EB 3992 EN...
Safety features accepted industry codes and practices must be observed. The Type 7311 Air Control System does not have a safety valve. If necessary, a suitable overpressure protection must be installed According to these mounting and operating instructions, trained on site.
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Safety instructions and measures Responsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specified hazard statements, warnings and caution notes. Furthermore, operating personnel must be familiar with the applicable health, safety and accident prevention regulations and comply with them.
Before working on the air control system: If a SAMSON device contains a substance listed as a substance of very high concern on the candidate list of the REACH _ Before starting any work on the air control system, depres- regulation, this is indicated on the SAMSON delivery note.
_ Check the air filter and separator installed in the upstream air reducing station regularly. The Type 7311 Air Control System does not have a safety valve. _ If necessary, a suitable overpressure protection must be installed on site in the plant section.
Markings on the device 2 Markings on the device A nameplate is affixed to the Type 7311. The nameplate shown was up to date at the time of publication of this document. The nameplate on the device may differ from the one shown.
The controlled variable x is transmitted by an optional pressure or temperature transmitter as a standardized 0.2 to 1 bar The Type 7311 Air Control System consists of one control loop signal connected to the air control system. or two control loops that work independently from one another.
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Type 3812 Temperature transmitter 1.4 bar 2 to 6 bar 0.2 to 1 bar Fig. 4: Instrumentation and wiring in the Type 7311 Air Control System Field Transmission path Control room Type 7311 Air Control System Type 3423-2 Controller Module with Type 3426-5 Control Room Housing...
Air output capacity >1 Nm³/h Temperature range Conformity Depending on how the air control system is configured, it can The Type 7311 Air Control System bears the CE mark of be used up to temperatures of 60 °C (see Table 1). conformity. Noise emissions SAMSON is unable to make general statements about noise emissions.
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Design and principle of operation Fig. 5: Dimensions of Type 7311 EB 3992 EN...
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Design and principle of operation Fig. 6: Connections of Type 7311 Control loop 1 Supply air Controlled variable (actual value) input Supply air for transmitter Control signal output Control loop 2 Supply air Controlled variable (actual value) input Supply air for transmitter...
Check whether the air control system is properly installed. tions in the delivery note. See Chapter 2 for more details on the nameplate. 2. Check the shipment for transportation damage. Report any damage to SAMSON and the forwarding agent (refer to delivery note). Removing the packaging from the device The air control system is delivered as a ready-assembled unit.
Risk of damage due to improper storage. _ Observe the storage instructions. _ Avoid long storage times. _ Contact SAMSON in case of different storage conditions or longer storage periods. Note SAMSON recommends to regularly check the air control system and the prevailing storage conditions during long storage periods.
1. Mount the air control system on a wall with the connections facing downward. 60P3 70P3 2. Allow sufficient space to open the door. 3. Contact SAMSON if the mounting position is not as 60A1 70A1 specified above. Fig. 7: Type 7311-01/-02/-03 Air Control System with connections...
SAMSON's After-sales Service can support you to plan and perform a leak test for your plant. Before start-up of the air control system, check all the compo- nents and lines to make sure that they are connected correctly, do not leak and function properly.
(see Chapter 5). 6.2.2 Operating controls – The prevailing conditions in the plant section affected meet the sizing requirements of the air control system (see Fig. 9 shows all the operating controls on the Type 7311 Air Chapter 1). Control System. EB 3992 EN...
60P4 70P4 60S1 70S1 60P3 70P3 60A1 70A1 Fig. 9: Type 7311-01/-02/-03 Air Control System with connections Designation of Component Function controls in control loop One | Two Reading of controlled variable x and set point w 60P5 | 70P5 Double pressure gauge...
Start-up 6.2.4 Direction of action 5. Turn the board so that the arrow is aligned with y or R on the controller module. Insert board and tighten the screw. The direction of action for the control loop is set at the 6.
A different setting is not permissible. One supply pressure regulator is installed for each control loop in the Type 7311 Air Control System (see Fig. 15). These supply pressure regulators are ready adjusted to supply the unit with Fig.
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Table 2: Adjustment values Controller 0.5 * Kp – – crit PI 0.45 * Kp 0.85 * T – crit crit 0.59 * Kp 0.50 * T 0.12 * T crit crit crit PI controller module for Type 7311 Air Control System EB 3992 EN...
Operation 7 Operation Operating modes Immediately after completing start-up or putting the unit back 7.2.1 Automatic mode into operation and the supply air is connected to S, the air control system is ready for use. After the manual/automatic switch 60S1/70S1 is set to automatic mode, the control signal y is determined by the The connected state of the supply air is indicated at the pressure controller module.
Note Contact SAMSON's After-sales Service for malfunctions not listed in the table. SAMSON's After-sales Service can support you in drawing up an inspection and test plan for your plant. The malfunctions listed in this chapter are caused by mechanical faults and incorrect sizing. In the simplest case, the functioning...
_ Only use tools approved by SAMSON. When in doubt, consult SAMSON. Note The device was checked by SAMSON before it left the factory. – Certain test results certified by SAMSON lose their validity when the components in the air control system are opened.
Putting the system back into operation after service work WARNING Fig. 19: Setup inside the Type 7311 Air Control System Danger due to hazardous conditions arising in the plant. Supply pressure regulator for control loop 2 (50R6) Upon failure of the supply air in automatic mode and recon-...
Decommissioning 10 Decommissioning 1. Shut off or disconnect the supply air line and signal lines. 2. Shut off or disconnect the external lines. The work described in this chapter is to be performed only by 3. Depressurize the plant. personnel appropriately qualified to carry out such tasks. DANGER Risk of personal injury due to the operating medium being released.
Removal 11 Removal The work described in this chapter is to be performed only by personnel appropriately qualified to carry out such tasks. Before removing the valve, make sure the following conditions are met: – The air control system is put out of operation (see Chapter 10).
_ Contact SAMSON's After-sales Service for service and repair work. 12.1 Returning devices to SAMSON Defective devices can be returned to SAMSON for repair. Proceed as follows to return devices to SAMSON: 1. Put the air control system out of operation (see Chapter 10).
PAS 1049 on request. Simply e-mail us at aftersalesservice@samsongroup.com giving details of your company address. On request, SAMSON can appoint a service provider to dismantle and recycle the product as part of a distributor take- back scheme. EB 3992 EN...
Fig. 22 shows the location and set-up of the accessories. Electric pressure transmitter (60B6/70B6) Terminal strip Cable duct Fig. 22: Accessories (electric pressure transmitter) 15.4 Spare parts Contact your nearest SAMSON subsidiary or SAMSON's After- sales Service for information on spare parts, lubricants and tools. EB 3992 EN...
You can reach our after-sales service at aftersalesser- vice@samsongroup.com. Addresses of SAMSON AG and its subsidiaries The addresses of SAMSON AG, its subsidiaries, representatives and service facilities worldwide can be found on our website ( www.samsongroup.com) or in SAMSON product catalogs.
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