ZL Drain 31 Original installation and operation manual Table of contents 1. Notes about the documentation .....................5 1.1 Contact ............................5 1.2 Information about this installation and operation manual .............5 2. Safety ..............................6 2.1 Use .............................6 2.1.1 Intended use ............................6 2.1.2 Reasonably foreseeable inappropriate use .................
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Original installation and operation manual ZL Drain 31 6. Installation ............................ 24 6.1 Warning notices ........................24 6.2 Installation requirements ...................... 24 6.3 Installation work ........................26 7. Electrical installation ........................28 7.1 Warning notices ........................28 7.2 Connection work ........................28 7.2.1 Connecting the power supply ......................29...
Original installation and operation manual ZL Drain 31 1. Notes about the documentation This documentation contains all the necessary steps for the use and operation of the product and the accessories. 1.1 Contact Manufacturer Customer service and tools INFORMATION Country-specific manufacturer representation You can contact the country-specific manufacturer's representative via the address listed ...
2.1 Use The ZL Drain 31, also referred to in the following as the product or ZL Drain, is an electronically level-controlled condensate drain used for discharging condensate in pressurised systems. The ZL Drain is able to drain condensate at operating pressure with no pressure loss.
Original installation and operation manual ZL Drain 31 2.1.2 Reasonably foreseeable inappropriate use A case of reasonably foreseeable inappropriate use is deemed to have occurred if the product or the accessories are used in any other way than that described in the "Intended use” section. Reasonably foreseeable inappropriate use includes the use of the product or the accessories in a manner not intended by the manufacturer or supplier but which may result from foreseeable human behaviour.
ZL Drain 31 Original installation and operation manual 2.3 Target group and personnel This manual addresses the personnel listed below who are involved with work on the product or the accessories. INFORMATION Personnel requirements • Minors are strictly prohibited from working with and on the product and its accessories.
Original installation and operation manual ZL Drain 31 2.4 Explanation of the symbols used The symbols used below indicate safety-relevant and important information which must be adhered to when handling the product and to ensure safe and optimum operation. Symbol...
ZL Drain 31 Original installation and operation manual 2.5 Safety instructions and warning notices This section provides an overview of all the important safety aspects for personal protection as well as for the safe and problem-free operation of the product and accessories.
Original installation and operation manual ZL Drain 31 2.5.3 Sudden escape of pressurised fluids The following situations may result in serious injury or death: • Contact with fast or suddenly escaping fluids • Bursting system parts • Whipping of pressurised hoses and pipes For the safe handling of pressurised systems, observe the following: •...
ZL Drain 31 Original installation and operation manual 2.5.5 Transport and storage Inappropriate transport or storage may result in personal injury or damage to property. In order to ensure safety during the transport and storage of the product and accessories, observe the following: •...
Original installation and operation manual ZL Drain 31 2.5.7 Maintenance Inappropriate completion of maintenance and repair work may result in serious personal injuries or death. For safe maintenance and repairs, observe the following: • Before starting work, depressurise the pressurised product and accessories and secure them against unintentional pressurisation.
ZL Drain 31 Original installation and operation manual 2.5.9 Working on electronic components Electrostatic discharge (ESD) can cause damage to electronic components, and malfunctions, device failures or material damage are possible. • Take proper measures to prevent electrostatic discharge (e.g. earthing, potential equalisation, ESD-compatible dissipative work pads etc.).
The table below shows the scope of delivery of the product: Illustration Description / explanation ZL Drain 31 Original installation and operating manual EN-US Original installation and operation manual ZL DRAIN 31 IF BI Document: xxxxx-xxx/xx 01-4729 Issued: May, 2024 1 x connector 15 | 52...
ZL Drain 31 Original installation and operation manual 3.4 Exploded drawing Pos. Pos. Description / explanation Description / explanation Screw 3.5 x 10 mm [11] Service-Unit Top cover [12] 20 x 2 mm O-ring Moulded seal [13] Intermediate adapter Cylinder hexagon socket head screw...
Original installation and operation manual ZL Drain 31 3.5 Function description Illustration Description / explanation The condensate flows via the condensate inlet [C] into the ZL Drain and collects in the housing [X1]. The filling level in the housing [X1] is continuously monitored by a capacitive sensor in the sensor tube [X2]. Once the condensate has reached the maximum fill level, ...
ZL Drain 31 Original installation and operation manual 3.6 Type plate The type plate, which contains identification information and operating parameters for the product, is located on the bottom cover. +1...+70°C / 34...158°F IP67 Type 13 ZL Drain 31 100-240 VAC ± 10% / 50-60H SPZL31-115VAC-SA 4061632 0,8-16 bar(g) / 12-230 psi(g) S: <6,5 VA 12345678 Sullivan-Palatek, Inc.
Original installation and operation manual ZL Drain 31 4.5 Dimensions Pos. No. ZL Drain 31 164 mm [X1] 6.46 in 149 mm [X2] 5.87 in 85.6 mm [Y1] 3.37 in 114.6 mm [Y2] 4.51 in 118 mm [Y3] 4.65 in...
ZL Drain 31 Original installation and operation manual 4.6 Installation dimensions Illustration Description / explanation Allow sufficient assembly space above the top cover at the place of installation so that the LEDs are visible and the TEST button can be pressed. 4.7 Terminal diagram Illustration Power supply 22 | 52...
Original installation and operation manual ZL Drain 31 5. Transport and storage 5.1 Warning notices Personnel Skilled technical personnel - transport and storage (see section “2.3 Target group and personnel” on page 8) CAUTION Inappropriate transport or storage Inappropriate transport or storage may result in personal injury or damage to the device.
ZL Drain 31 Original installation and operation manual 6. Installation 6.1 Warning notices Personnel Skilled technical personnel - pressure equipment and systems (see section “2.3 Target group and personnel” on page 8) DANGER Sudden escape of pressurised fluids There is a danger of death or serious personal injury resulting from contact with fast or suddenly escaping fluids or through bursting system parts.
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Original installation and operation manual ZL Drain 31 Wrong Correct Description / explanation Manifold design • The cross-section of the manifold must be at least equal to the sum of the individual cross- sections of the connected inlet lines. •...
ZL Drain 31 Original installation and operation manual 6.3 Installation work For installation and mounting work to be carried out, the following prerequisites must be met, and the preparatory tasks must have been completed. Prerequisites Tools Material Protective equipment •...
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Original installation and operation manual ZL Drain 31 Installation work Illustration Description / explanation Recommendation: 4. To ensure easy maintenance of the product, install a shut-off valve [X6] in the condensate inlet line [X5]. 5. For the condensate inlet line [X5], apply sealant to the end of a pressure-resistant pipe and screw the latter in at the condensate inlet [C].
ZL Drain 31 Original installation and operation manual 7. Electrical installation 7.1 Warning notices Personnel Skilled technical personnel - electrical engineering (see section “2.3 Target group and personnel” on page 8) DANGER Electric voltage Contact with electrically live components can result in death or serious injury.
Original installation and operation manual ZL Drain 31 7.2.1 Connecting the power supply Connection work Illustration Description / explanation 1. Unscrew the 2 screws [1]. 2. Lift the top cover [2] off. 3. Unscrew the counter nut [6] from the cable gland [E].
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ZL Drain 31 Original installation and operation manual Connection work Illustration Description / explanation Connection cable [X9] 8. Connect the connection cable [X9] according to the terminal diagram (see “4.7 Terminal diagram” on page 22). 9. Draw the connection cable [X9] taut.
Original installation and operation manual ZL Drain 31 8. Start-up procedure 8.1 Warning notices Personnel Skilled technical personnel - pressure equipment and systems and skilled technical personnel - electrical (see section “2.3 Target group and personnel” on page 8) DANGER...
ZL Drain 31 Original installation and operation manual 9. Operation 9.1 Warning notices Personnel Operating personnel (see section “2.3 Target group and personnel” on page 8) DANGER Electric voltage Contact with electrically live components can result in death or serious injury.
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Original installation and operation manual ZL Drain 31 Illustration Description / explanation n = 20 Power Service Power Service TEST TEST Negative power-on self-test Number of repetitions n = 20x • The green POWER LED is on (100 % brightness) while the solenoid valve is cycling quickly •...
ZL Drain 31 Original installation and operation manual 10. Maintenance 10.1 Warning notices Personnel Skilled technical personnel - product servicing (see section “2.3 Target group and personnel” on page 8) DANGER Sudden escape of pressurised fluids There is a danger of death or serious personal injury resulting from contact with fast or suddenly escaping fluids or through bursting system parts.
Original installation and operation manual ZL Drain 31 10.3 Maintenance work For maintenance work to be carried out, the following prerequisites must be fulfilled and the preparatory tasks must have been completed. Prerequisites Tools Material Protective equipment • Screwdriver – flat head • Sealants Always to be worn: size 2.5 mm (0.09 in) • Lubricant for greasing the O-rings •...
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ZL Drain 31 Original installation and operation manual Replacement work Illustration Description / explanation 3. Press the TEST button [A] on the control unit and hold it for at least 5 seconds. 0 The green POWER LED flashes Power Service TEST 4. Once the green POWER LED is permanently lit, release the TEST button.
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Original installation and operation manual ZL Drain 31 Replacement work Illustration Description / explanation 11. Remove the old O-ring from the condensate inlet. 12. Grease and insert the new O-ring [12]. Use a lubricant suitable for this purpose. 13. Dispose of the old O-ring properly (see “14. Disposal”...
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ZL Drain 31 Original installation and operation manual Replacement work Illustration Description / explanation 19. Check to confirm that the sealing mat [19] with contact springs [X11] is clean, dry and free of foreign objects. 20. Insert the sensor of the control unit [A] into the sensor tube opening.
Original installation and operation manual ZL Drain 31 10.3.2 Functional test Illustration Description / explanation Press the TEST button for 2 … 5 seconds. Power Service TEST 0 The green POWER LED lights up 0 The valve opens and condensate is drained 10.3.3 Visual inspection...
ZL Drain 31 Original installation and operation manual 10.3.5 Cleaning 10.4 Warning notices CAUTION Personal injury through inappropriate use of cleaning media Inappropriate use of cleaning media may result in minor injuries and damage to health. • Never clean the device with a dripping wet cloth.
230 VAC trace heater on demand Drain kit on demand Mounting bracket for wall and floor on demand 11.3 Spare parts Description / explanation Material no. Service-Unit ZL Drain 31 on demand Set of seals on demand Design shell on demand Connection adapter on demand 41 | 52...
ZL Drain 31 Original installation and operation manual 12. Shut-down procedure 12.1 Warning notices Personnel Skilled technical personnel - product servicing (see section “2.3 Target group and personnel” on page 8) DANGER Sudden escape of pressurised fluids There is a danger of death or serious personal injury resulting from contact with fast or suddenly escaping fluids or through bursting system parts.
Original installation and operation manual ZL Drain 31 12.2 Shut-down steps Illustration Description / explanation 1. Interrupt the condensate feed at the condensate inlet line [X5] (e.g., by closing the recommended shut-off valve [X6]). 2. Press the TEST button briefly multiple times. 0 The ZL Drain is depressurised 0 The condensate remaining in the ZL Drain is...
ZL Drain 31 Original installation and operation manual 13. Dismounting 13.1 Warning notices Personnel Skilled technical personnel - product servicing (see section “2.3 Target group and personnel” on page 8) DANGER Sudden escape of pressurised fluids There is a danger of death or serious personal injury resulting from contact with fast or suddenly escaping fluids or through bursting system parts.
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Original installation and operation manual ZL Drain 31 Dismounting steps Illustration Description / explanation 1. Remove the hose [X7] from the hose fitting [9]. 2. Remove the condensate inlet line [X5] and recommended shut-off valve [X6] from the condensate inlet [C] and disassemble. 3. Disconnect all electrical connections.
ZL Drain 31 Original installation and operation manual 14. Disposal At the end of their useful life the product and the accessories must be sent for disposal e.g. by a specialist company. Materials such as glass, plastics and some chemical compounds are mostly recoverable, reusable or recyclable.
Original installation and operation manual ZL Drain 31 15. Troubleshooting Error or fault pattern Possible causes Troubleshooting • Read off the operating voltage on the type plate and check it • Check whether voltage is present at the Power Service TEST • All LEDs off terminals of the sensor board (L, N) •...
ZL Drain 31 Original installation and operation manual 16. Appendices 16.1 Certificates Symbol Description / explanation FCC marking The FCC mark identifies a product that complies with the requirements of the Federal Communications Commission (FCC) and confirms that basic health and safety requirements have been complied with during the manufacture of the product. The product may be sold on the US market. cTÜVus marking The cTÜVus marking identifies a product that meets the requirements of TÜV Rheinland for the ...
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