
Knoll k.stand Height-Adjustable Table User Manual
Your safety and the safety of others are very important. Please familiarize yourself with all instructions and safety warnings before operating the table. Please keep this manual for future reference. To help you make informed decisions about safety, we have provided operating procedures and other information on labels and in this user’s manual. This information alerts you to potential hazards that could hurt you or others. It is not practical or possible to warn you about all the hazards associated with operating or maintaining a table. Please use your own good judgment. You will find important safety information in a variety of forms. Safety Messages are preceded by a safety alert symbol and one of three signal words: DANGER, WARNING, or CAUTION. These safety messages are listed in order of severity, identify the general risks and what actions you are to take to avoid the risks. These signal words mean: DANGER Indicates an imminent hazard with a high risk of serious injury or death. WARNING Indicates a potential hazard that could result in serious injury. CAUTION Indicates a potentially hazardous situation, which could result in minor or moderate injury. It may also be used to alert against unsafe practices. NOTICE Indicates an alert to call attention to proper assembly instructions or particular operation procedures to assure correct equipment function and to avoid equipment damage or wear. The information and specifications included in this manual were in effect at the time of approval for printing. ROL reserves the right to discontinue or change specifications or design at anytime without notice and without incurring any obligation whatsoever. Please save these instructions. When using an electrical table, basic precautions should always be followed, including the following: Read all instructions before using table. DANGER—To reduce the risk of electric shock: Always unplug this furnishing from the electrical outlet before cleaning or servicing. WARNING—To reduce the risk of burns, fire, electric shock, or injury to persons:
Typical Product Label with Date of Manufacture 
Power supply for 40mm/sec speed Before you start: Check for and remove obstacles in path of the table top. Before first use, the control unit must register the lowest point of elevation. Do the reset as section 3.2. Under normal conditions the system communicates internally and knows the position of each column. If there are differences in column height, please do a manual reset as listed in section 3.2. Electrical rating Electrical rating, input: 120VAC, 50-60Hz, 3,2A. Output 35V.
Assembly Instruction The official assembly instruction will be found with the base components. 
Make sure to ask your desk vendor for an approved combination of desktop and frame. Setup procedureCAUTION—Risk of electrical shock: The power cord must be unplugged while the control unit is being commissioned.  This table is equipped with ROL ECS+ system, to setup the controlling device proceed as follows. 
Optional mounting guidelines NOTICE When disconnecting components such as power supply, control unit / ECS+ or motor cables, the strain relieve hook must be pressed before removing the connector. When inserting the connector, an audible “click” indicates that the strain relieve hook has correctly re-engaged. 
 DANGER—Grounding Instruction This product does NOT require grounding to earth. This product is double insulated and equipped with a non-polarized 120V plug and 2-conductor cord. The plug must be plugged into an appropriate building outlet that is properly installed in accordance with all local codes and ordinances.  DANGER—Risk of electrical shock Improper connection of the equipment can result in a risk of electric shock. Check with a qualified electrician for any concerns. Do not modify the plug provided with the product—if it will not fit the outlet have a proper outlet installed by a qualified electrician. This product is designed for the voltage indicated on the power supply label. No adapters should be used with this product.  CAUTION—Risk of electrical shock Before you plug in the power cord, check the following again: 
Adjustments The table control, handset and motors are sealed units and have no parts that can be serviced or adjusted by the user. In case of failure or unexpected operation or for maintenance contact your vendor and arrange for service by a qualified technician.
To ensure safe operation of the ECS+ control unit, please observe the following safety instructions:   CAUTION—Risk of injury and electric shock Keep children away from electric height-adjustable desks, control units and handset.   CAUTION—Risk of pinching When you change the desktop position (especially without using pinch protection), you must ensure that no people or objects are located in the hazardous area nor may reach into it.   NOTICE In case of a main power breakdown, or if the power cord is unplugged during the movement of the drives, a manual reset may be necessary! Please see section 3.2.   NOTICE The control unit might be damaged by power surges. Unplug the power cord during a thunderstorm or if you do not intend to use the desk for a longer period. Basic functions   NOTICE You must read the user manual carefully before installing or operating the control unit. If chosen handset doesn’t fit to this user manual, please see separate user manual for actual handset. Overload protection! If the total load on the equipment is too high you will only be able to drive for 2 seconds. The system will then stop and you need to take weight off the table. After some weight is removed, adjust the table again. Overheat protection! If heavy loaded and driven continuously for a long period of time the motor may overheat. The software registers this and, if overheated, system will shut down and you will have to wait 9 minutes before being using the table again. Anti-Collision “AC”! The ECS+ is equipped with intelligent software for pinch protection. If a collision is detected system will stop and back off about 1 inch. IMPORTANT! Make sure to remove the blocking item causing the pinch before trying to operate the table again. Failure to do so may cause injury to user or equipment. Upward desktop movement This function enables you to adjust the desktop upwards. To change its position, proceed as follows: Press the handset “up” button. Keep pressing the button until the required desktop height is reached. 
  NOTICE The desktop will continue moving upwards until you release the button or the maximum height is reached Downward desktop movement This function enables you to adjust the desktop downwards. To change its position, proceed as follows: Press the handset “down” button. Keep pressing the button until the required desktop height is reached.   NOTICE he desktop will continue moving downwards until you release the button or the minimum height is reached. Simple memory, end positions ECS+ have editable memory for high and low (sit or stand) positions. This setting can also be used to avoid collision with furniture (e.g. a cabinet/pedestal) How to set memory: Drive your table to the level you will store. Press both buttons 3 times (0.5-1 second between each pressing) Do the same procedure for your second store. The table will do a gentle rise to confirmation the setting. To erase the setting, please follow manual reset as section 3.2 
To drive the table outside the memory setting: Press the “up” or “down” button for 5 seconds to move beyond the preset. 
 Advanced functions, Manual reset In case of exchanged parts (e.g. motor, electronics) there could be a need of a manual reset so columns and handsets correspond to each other. Even poor connection of the cables could create a need for resetting. 
  CAUTION—Risk of pinching

Accessories, Series EE, ECS+ Control unit: ECS+ White cover, black base P/N see the chart below Width x depth x height 4,02" x 3,68" x 1,01", 2,50 oz. (100x91x27mm)
| Stroke Inch | Stroke mm | AC-On | AC-Off | 
| 16.98 | 420 | 68003666 | 68003660 | 
| 18.8 | 450 | 68003667 | 68003661 | 
| 19 | 470 | 68003668 | 68003662 | 
| 20.21 | 420 | 68003669 | 68003663 | 
| 16.27 | 420 | 68003670 | 68003664 | 
| 26.88 | 420 | 68003671 | 68003665 | 
Handset:  ECS+, black P/N 68005680 Width x depth x height 2,76" x 1,99" x 0,88, 2,46 oz. (70x50,5x22 mm) Cable length 47" (1200 mm) Power supply: 
For 40mm/sec speed P/N 68003761 Length x width x height 6,00" x 2,32" x 1,34", 12.63 oz. Power supply:  For 32mm/sec speed P/N 68002264 Length x width x height 4,52” x 2,16” x 1,49”, 11.64 oz. Cables:  Length 118" (3000mm) (primary side) P/N 68002262 separately item, 4,86 oz. Cable length secondary side at power supply 68002264 L= 20"(2000mm) (68002235 L= 80-½" (500mm)) Dimensions column system: Series EE, ECS+ with 665 stroke Bifma 
Dimensions column system: Series EE, ECS+ with 420 stroke 
Performing a Reset 