Slayer Single Group User Manual
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Slayer Single Group User Manual

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User Guide
Single Group


Revision 5c
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  • Page 1 User Guide Single Group 
 Revision 5c...

  • Page 2: Table Of Contents

    Table of Contents Section Page Contacting Slayer Warranty Information Important Safety Advisory Water Treatment Requirements Recommended Tools & Accessories Installing Your Machine Factory Settings Navigating the Menu Using Slayer Cleaning & Preventative Maintenance Troubleshooting Video Guides Spare Parts 57
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  • Page 3: Contacting Slayer

    Contacting Slayer Phone +1 (206) 284-7171 Address Slayer Espresso 6133 Sixth Avenue South Seattle, Washington 98108 United States of America CEO & Creator Jason Prefontaine jason@slayerespresso.com Fred Baruch fred@slayerespresso.com Technical Support Devin Walker devin@slayerespresso.com Parts & Inventory Melinda Davis melinda@slayerespresso.com...

  • Page 4: Warranty Information

    Due to the nature and characteristics of wood(s) used on Slayer machines, cracking, shrinking, and/or warping of this wood is not covered under warranty. Damage to or failure of your Slayer machine due to inadequately treated water is not covered under warranty. Read “Water Treatment Requirements” on page 6 for...

  • Page 5: Important Safety Advisory

    Using your machine outside of its defined functionality – as it is described in the "Using Slayer" section on page 23 of this guide – may be a safety hazard, resulting in property damage, physical injury, or even death, and will immediately void the warranty.

  • Page 6: Water Treatment Requirements

    Water is complex and varies significantly between regions, so take great care to test the water quality at your location and adjust as necessary. Employ the help of a reliable company (Slayer recommends OptiPure and BWT) to evaluate your water and recommend and administer treatments.
  • Page 7 75-125 ppm. Experiment with various TDS levels to determine what is ideal. IMPORTANT: All Slayer espresso machines need to be connected to a carbon water filter to remove chlorine, sediments, odor, and undesirable tastes from the water. This requirement is in addition to any other necessary water filtration systems.

  • Page 8: Recommended Tools & Accessories

    Recommended Tools & Accessories To properly use and maintain your espresso machine, Slayer recommends owning an assortment of tools and accessories. These can each be organized in two categories: Beverage Preparation and Equipment Care & Maintenance. Specific requirements accompany each recommendation.

  • Page 9: Installing Your Machine

    Treatment Requirements” on page 6 for information about avoiding and addressing water-related issues. Your Slayer Single Group espresso machine weighs approximately 50 kilograms (110 pounds) when filled with water and needs to be installed on a structure that is capable of supporting its weight.
  • Page 10 TOP VIEW LOOKING DOWN 2.750 (70MM) THIS IS THE PLACEMENT FEET 4 PLACES OF HOLE FOR DRAIN 17.700 (450MM) WATER AND POWER 11.200 (285MM) FROM BACK PANELTO CLOSED STEAM HANDLE FRONT OF MACHINE 18.100 (460MM) HEIGHTS: TO TOP OF BACK PANEL 12.75"...
  • Page 11 Step 2: Unpack Equipment Your Slayer espresso machine will arrive in a lidded wooden crate, bolted to a pallet at the base. Unpack with the following steps. Parts and tools: Phillips-head screwdriver • Socket wrench • Two (2) rubber feet (included) •...
  • Page 12 8. Slide machine into desired position, then left legs, one or two at a time, to remove towel(s). 9. Attach the steam and hot water handles by threading into place. 10. Pull the steam actuator forward, into the “on” position. Leave steam actuator in the “on”...
  • Page 13 Step 4: Connect Water Line IMPORTANT: Before connecting a water treatment system to your espresso machine, rinse the system by running water through it for at least two (2) minutes. Failure to follow this step will result in equipment damage. Read the Water Treatment Requirements on page 6 for information about avoiding and addressing water-related issues.
  • Page 14 1. When Slayer has filled completely, move the brew actuator left, into the “on” position. 2. When water begins to run from the grouphead, return the brew actuator to the "off" position. Leave steam actuator in the “on” position for “Step 9: Turn on Heating ‣...
  • Page 15 Seattle. After setup, you may reprogram the time and date. Read “Navigating the Menu” on page 18 for help completing this step, then complete the steps under “Using Slayer > Access Advanced Settings > Set Time / Date” on page 38.

  • Page 16: Factory Settings

    Factory Settings Brew Tank Temperature: 93°C (200°F) Steam Pressure: 1.5 bar Flow Rate: 40 grams per 30 seconds Pump Pressure: 9 bar
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  • Page 17: Navigating The Menu

    Navigating the Menu The Single Group Slayer is equipped with a touchscreen interface that displays many of the machine’s essential functions. Through this interface, you have access to brewing parameters, advanced operating settings, and more. Basics of Navigation Settings, sub-menus, and queries display in a rectangular area in the top-left •...
  • Page 18 Adjustable in one-percent (1%) increments between “0” and “100” • To adjust the brew pump pressure, see instructions under “Using Slayer > Adjust Brew Pump Pressure” on page 31. Group Cleaning Automated cleaning program (series of backflush cycles) •...
  • Page 19 IMPORTANT: Most of the machine’s advanced programs and settings are set at the studio to ensure optimal performance. Do not run or manipulate without first reading this manual in its entirety, then – if unsure – consulting your Slayer representative, reseller, or qualified service personnel.
  • Page 20 Program that reboots machine and reinitializes software; same effect • as unplugging, then returning power source To run Slayer’s advanced programs and adjust its settings, see instructions under “Using Slayer > Access Advanced Settings” on page 33. PROGRAM MENU Swipe Below “SS 4”...

  • Page 21: Using Slayer

    Every location – country, locale, farm, and lot – produces coffee with distinct characteristics that contribute to discernible differences in beverage flavor. Slayer is unique in its ability to highlight the flavors of coffee from a single origin, so – even if you usually prefer blends –...
  • Page 22 Ground Particle Size Preparing espresso requires finely-ground coffee and a professional grinder. Due to its slower introduction of water, permitted by a precision needle valve, Slayer is able to brew espresso with coffee that has been ground at extremely fine settings.
  • Page 23 When considered alongside the beverage yield, dose weight is part of the brew ratio, which correlates with the perceived strength of the espresso and influences the extraction process. Slayer recommends using a scale to measure 19-21 grams of ground coffee per espresso serving. Begin with 20 grams, then...
  • Page 24 To adjust the flow rate, see instructions under “Using Slayer > Adjust Flow Rate” on page 30.
  • Page 25 Brew time refers to the duration of extraction, including optional pre- and post- brew phases. With most espresso machines, extraction should last 25-30 seconds. Due to its slower introduction of water, Slayer may brew espresso in 40 seconds or more. Begin with 45 seconds (20s pre-brew + 25s brew), then adjust...
  • Page 26 Preparing Espresso Slayer’s brew actuator allows for three positions: "off", “pre-brew", and "full brew". The grouphead is in the "off" position when the brew actuator is moved all the way right. The "pre-brew" setting is activated when the actuator is moved to the middle of the group.
  • Page 27 "off" position and return the portafilter. "Slayer Shot" To brew a "Slayer shot", ensure that the flow rate is at the desired setting and the grinder is set finer than normal, then: 1. Remove the portafilter from the grouphead and wipe the basket with a clean, dry towel.
  • Page 28 Various steam tip options (numbered 0-5) are available to allow the barista to customize their steaming experience and milk texture. Unless another size is requested at the time of purchase, your Single Group will ship with steam tip Steam milk with the following steps.
  • Page 29 7. Use this weight to determine flow rate, which is expressed in these terms: x grams of water per 30 seconds. Slayer recommends starting with a flow rate of approximately 40 grams of ‣ water per 30 seconds. The actual flow rate may be within a range of +/-2 grams of the desired flow rate.
  • Page 30 10 minutes. Adjust Brew Pump Pressure At the Slayer studio, the brew pump pressure is set at 9 bar. Actual brew pressure, as indicated by the pressure gauge on the face of your machine, will be influenced by incoming water pressure (line pressure) at your location.
  • Page 31 Scace device provides back-pressure. Adjust Steam Pressure At the Slayer studio, the steam tank pressure is set at 1.5 Bars. If the steam is more or less powerful than you prefer, adjust with the following steps. 1. Tap the round touch sensor near the center of the screen to activate the menu.
  • Page 32 2. Grind, dose, and tamp coffee as usual, then lock the portafilter in the grouphead. 3. Move the brew actuator to the "full brew" position to begin extraction. Slayer will automatically initiate the pre-brew and full brew stages. 4. Allow the espresso to brew until the preferred extraction has been achieved...
  • Page 33 2. Swipe from right to left until the “Advanced Setting” sub-menu comes into view. 3. Tap the round touch sensor to enter the “Advanced Setting” sub-menu. Disable Touch? The touch sensors can be temporarily disabled for safe cleaning of the glass screen.
  • Page 34 (top-left). The set brew temperature may not be changed at this time. To adjust, ‣ see instructions under “Using Slayer > Adjust Brew Tank Temperature” on page 30. 3. Three (3) values will display beneath the two (2) temperature readings.
  • Page 35 IMPORTANT: To ensure optimal performance, the PID values are set at the studio to “200.2.0”. Changing these values will affect the performance of Slayer’s heating system and may cause overheating and damage. Do not manipulate without first reading this manual in its entirety, then consulting your Slayer representative, reseller, or qualified service personnel.
  • Page 36 “Restore / Save Settings” sub-menu. The “Restore Factory Default Settings” program overwrites all user and • Slayer preferences and restores hard-coded settings; tunings specific to your machine will be erased. 1. Tap the round touch sensor to enter program.
  • Page 37 Set Time / Date Slayer’s clock and calendar are displayed when the machine idles and referenced for the “Power Saver” program. After completing the steps above to access the “Advanced Setting” sub-menu, view the “Set Time / Date” sub-menu and adjust the time and date with the following steps.
  • Page 38 (Monday through Friday) and two (2) per day for weekends (Saturday and Sunday). This allows you to program Slayer to be ready for use in the morning, after work, and so on. After completing the steps above to access the “Advanced Setting”...
  • Page 39 “Advanced Setting” sub-menu, view the “Slayer Info” page with the following steps. 1. Swipe from left to right until the “Slayer Info” page comes into view. 2. Tap the round touch sensor to enter the “Slayer Info” page. The screen...
  • Page 40 3. To exit the “Slayer Info” page and continue “Advanced Setting” sub-menu navigation, swipe from left to right. To exit menu navigation, move the brew actuator to the “pre-brew” or “full brew” position. Enter to reset The reset program reboots the machine and reinitializes the software. This has the same effect as unplugging, then returning the power source and is useful when the plug is not easily accessible.

  • Page 41: Cleaning & Preventative Maintenance

    Except where stated otherwise, the following instructions assume heavy use in a commercial setting. CAUTION: Slayer and its parts may be very hot. Please read the Important Safety Information section prior to using Slayer and take the necessary steps to protect yourself and others.
  • Page 42 Use a soft, clean towel to wipe the surfaces of the machine. Do not use abrasive cleaners. Small amounts of window cleaner may be used on the stainless steel components. If your Slayer has wood panels, please refer to the “Wood Care” section.
  • Page 43 5. Thoroughly rinse portafilter with hot water, insert basket, and lock in grouphead. Backflushing with Water Only Recommended once daily for commercial settings; optional for homes When activated, the group cleaning program will automatically perform backflush cycles to clean the group. Parts and tools: Cleaning brush or towel •...
  • Page 44 Procedure: 1. Complete “General Group Cleaning” steps 1-3 above. 2. Soak dispersion screw and screen overnight in a solution of hot water and approved espresso machine cleaning powder. Later, rinse thoroughly with clean water. 3. Install a clean, second set of dispersion screw and screen. CAUTION: failure to reinstall the dispersion screw and screen ‣...
  • Page 45 Every 1-2 Months Replacing Shower Screen vimeo.com/20084652 (password: prebrewpressure) ➡ The dispersion screen may become bent or damaged and should be replaced periodically. Ideally, the mesh screen will sit firmly against the metal backing. If a gap forms, replace the dispersion screen. Parts and tools: Replacement shower screen (part #46000-50070) •...
  • Page 46 • Wrench • Procedure: 1. Lift to remove cup tray assembly. 2. Watch video for instructions about removing Slayer’s side panels. For additional assistance with this procedure, refer to parts diagrams ‣ on pages 58-74. Adjusting Brew Actuator Tension vimeo.com/20216962 (password: prebrewpressure) ➡...
  • Page 47 Parts and tools: Flat-head screwdriver • Allen key • Procedure: 1. Use a flat-head screwdriver to remove the lock screw from the top of the brew actuator. 2. Tighten the locking nut with an allen key. Test tightness by moving the actuator back and forth.
  • Page 48 3. Use a pick or awl to remove the o-rings from the valve pin and discard them; install new o-rings. 4. Rub Slayer lubricant on the pin and return the pin to its valve. 5. Reattach the actuator hub and shoulder bolt, tightening with a 9/16”...
  • Page 49 3. Rub Slayer lubricant on the inside face of the actuator hub, the nylon ramp inside of the actuator hub, and all corresponding contact points on the x-frame. 4. Reattach the actuator hub and shoulder bolt. Confirm fit by wiggling the hub.
  • Page 50 7. Apply Slayer lubricant to the inside of the nut and the new o-ring. 8. If the teflon bushing appears dark or flattened, discard it. 9. Apply Slayer lubricant to a new teflon bushing and insert it in the steam wand valve nut.
  • Page 51 14.Reinstall steam seat and spring. 15.Apply teflon tape to the threads of the brass nut. 16.Use wrench to secure steam valve body; use second wrench to tighten brass nut. 17.Reconnect the steam tubes to the valve and steam tank. 18.Reattach the steam actuator hub and shoulder bolt. Replacing Water Level Probe Parts and tools: Replacement water level probe (part #30000-50170)
  • Page 52 A teflon gasket sits underneath the brew actuator; remove and set ‣ aside. 7. Flipping over the brew cap, use a blunt object (e.g. rubber mallet) to gently tap the actuator bearing (oilite bushing) until it has been removed; discard. 8.
  • Page 53 If the wood begins to look aged and dry, rub a small amount of tung oil into the wood with a clean, soft towel. Allow the oil to sink into the wood for at least five minutes, then wipe the remaining oil off with a dry towel.
...

  • Page 54: Troubleshooting

    Troubleshooting Use this list of common symptoms to diagnose and resolve issues you experience with your espresso machine. Slayer’s instructional videos are password-protected; access them with the code “prebrewpressure”. Symptom Possible cause(s) Instructional video Bent gauges Needle valve closed vimeo.com/20345156 Brew tank cold;...
  • Page 55 Symptom Possible cause(s) Instructional video Leaking steam actuator Worn steam valve pin o-rings vimeo.com/20114980 No flow during pre-brew Needle valve closed vimeo.com/20220777...

  • Page 56: Video Guides

    Video Guides Use these videos to learn common procedures for your espresso machine. Slayer’s instructional videos are password-protected; access them with the code “prebrewpressure”. Procedure Instructional video Adjusting pre-brew flow rate vimeo.com/20121811 Replacing grouphead seals and/or screens vimeo.com/20084652 Replacing steam valve pin vimeo.com/20114980...

  • Page 57: Spare Parts

    Spare Parts The following parts are recommended for properly servicing Slayer. The Basic Kit will be adequate for completing most preventative maintenance tasks, whereas the Advanced Kit is for more complex (and less common) procedures. Additionally, all parts are referenced in the diagrams beginning on page 59.
  • Page 58 Advanced Parts Kit Part Number Part Description Quantity 30000-20000 24 VDC Power Supply 30000-20011 20 Amp Solid State Relay, Mini 30000-20030 Magnetic Sensor SPST N/C 30000-20040 Magnetic Sensor SPST N/O 30000-20140 Element Gasket 30000-20151 3-way Solenoid Valve, 2.0mm Brew Group, 24 VDC 30000-20191 2-Way Solenoid Valve, 2.5mm Needle Valve Assembly, 24 VDC...
  • Page 59 SHEET DWG. NAME BREW ASSEMBLY SINGLE GROUP WWW.SLAYERESPRESSO.COM TOP ASSEMBLY 206-284-7171...
  • Page 60 1/4 COMP 90 DEG MODIFIED THREADS 30000-20030 MAGNETIC SWITCH N/C 46000-50090 GROUP CAP O RING 46000-50100 GROUP CAP PAPER GASKET 46000-50070 58 MM SHOWER SCREEN 46000-50080 DIFFUSER SCREW 46000-56091 6.1MM PORTAFILTER GASKET SHEET DWG. NAME BREW ASSEMBLY SINGLE GROUP WWW.SLAYERESPRESSO.COM TOP ASSEMBLY 206-284-7171...
  • Page 61 SHEET DWG. NAME BREW ASSEMBLY SINGLE GROUP WWW.SLAYERESPRESSO.COM BOTTOM ASSEMBLY 206-284-7171...
  • Page 63 ITEM NO. PART NUMBER DESCRIPTION QTY. NEEDLE ASSEMBLY NEEDLE ASSEMBLY 10004-50200 NEEDLE VALVE BODY, SINGLE GROUP 42000-34560 1/4 COMP 90 DEG 30000-20191 2 WAY SOLENOID 44000-36310 SOLENOID MOUNT SCREW SHEET DWG. NAME NEEDLE VALVE ASSEMBLY WWW.SLAYERESPRESSO.COM SINGLE GROUP 206-284-7171...
  • Page 64 SHEET DWG. NAME STEAM TANK WWW.SLAYERESPRESSO.COM 206-284-7171...
  • Page 65 SHEET DWG. NAME STEAM TANK WWW.SLAYERESPRESSO.COM 206-284-7171...
  • Page 66 3/8-16 NUT 30004-20090 1.3K WATT ELEMENT 120V 30004-20091 2K WATT ELEMENT 220V 30000-20140 ELEMENT GASKET 44000-37030 TANK MOUNT BOLT 15004-10110 STEAM TANK, SINGLE GROUP 42000-34180 1/8 NPT HEX NIPPLE 44000-36310 SOLENOID MOUNT SCREW 30000-20191 3 WAY SOLENOID 10999-20191 SOLENOID MOUNT 40004-32610...
  • Page 67 BRASS WASHER 15 MM 46000-53050 BUSHING O RING 46000-53060 BUSHING 15 X 10.5 MM 46000-53020 VALVE NUT O RING 46000-53010 STEAM VALVE NUT 40004-50330 STEAM WAND, SINGLE GROUP 46000-53080 STEAM TAP PISTON 46000-53090 PISTON O RING SHEET DWG. NAME STEAM ASSEMBLY WWW.SLAYERESPRESSO.COM 206-284-7171...
  • Page 68 SHEET DWG. NAME X Assembly WWW.SLAYERESPRESSO.COM 206-284-7171...
  • Page 70 13004-10030 ELECTRONICS SUB PLATE 44000-36170 PANEL MOUNT SCREW 44000-36120 1/4 STANDOFF 30004-60100 MAIN BOARD 30000-20011 MINI 20 AMP SSR 44000-36130 SCREW/WASHER POWER SUPPLY 30000-20002 24V POWER SUPPLY 99004-60110 TOUCH DISPLAY ASSEMBLY SHEET DWG. NAME ELECTRONICS PLATE WWW.SLAYERESPRESSO.COM SINGLE GROUP 206-284-7171...
  • Page 71 42000-10020 EXPANSION VALVE 44000-36070 3/8 LOCK WASHER 44000-10020 1/8 BSPP NUT 40000-32151 7/16 BLACK DRAIN HOSE 44000-36290 DRAIN LINE HOSE CLAMP, MEDIUM 40004-32090 DRAIN SEAL 44000-36280 DRAIN LINE HOSE CLAMP, SMALL SHEET DWG. NAME DRAIN ASSEMBLY, WWW.SLAYERESPRESSO.COM SINGLE GROUP 206-284-7171...
  • Page 72 Default/ ITEM NO. PART NUMBER DESCRIPTION QTY. 42004-34520 MALE TEE 42004-34620 ONE WAY VALVE 30004-58030 GEAR PUMP 44004-37020 VIBRATION DAMPENER MOUNTING BOLT 40004-50181 VIBRATION DAMPENER 40004-25010 INLET HOSE 42000-10010 3/8 BSPP NUT 44000-36360 16MM SERRATED WASHER 42000-10010 3/8 WATER INLET FITTING 44004-36050 8-32 NYLOC NUT SHEET DWG.
  • Page 73 SHEET DWG. NAME PANEL ASSEMBLY WWW.SLAYERESPRESSO.COM SINGLE GROUP 206-284-7171...

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