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ELECTRICAL HEATERS FOR AIR HANDLING UNITS EMS/EJS Technical data Mounting Maintenance...
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Thank you for your purchase of this product. This manual describes how to use and install the supplied product. Be sure that you have read and understood its contents before using the heater. The electrical heater's model and serial number are located on the label of the product. WARNING! SAFETY REQUIREMENTS Improper use of this heater can be result of serious bodily injury due to hazards of fire and explosion, burn and electrical shock.
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QUALITY We care about quality. 100% of heaters are tested before shipment. DISPOSAL Important environmental information about this product. This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do not dispose of the unit as unsorted municipal waste; it should be taken to a specialized company for recycling.
Table of contents Description ............................. 5 Installation and electrical connection ....................6 Dimensions ............................. 7 Standard power steps .......................... 10 Model marking ............................. 11 Model type marking ..........................12 Description of accessories ........................12 Description of operating B control type ....................13 Description of operating NV control type ....................
Description Electrical heaters EMS/EJS are designed to heat fresh air in air handling units. Casing is made from Aluzinc (AZ 150 or AZ 185) coated steel which is high temperature proof. There are at least 2 overheating protection thermostats and terminal blocks for easy connection installed in the heaters.
Installation and electrical connection Electrical heaters EMS/EJS can be installed in any position except electrical connection box downward. Fig. 1. Heater’s installation positions IMPORTANT: The installation to the mains power supply may only be wired by a competent electrician. The power supply cable must be selected in the ratio with power of the heater.
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W frame (EMS) – dimension of the side frame of the housing. W frame dimension can be selected by customer by 10mm steps (20,30,40,50,…..). Min W frame dimension is 20mm if H<=1000mm and Min W frame dimension is 30mm if H>1000mm.
EMS/EJS heaters conform to the requirements of the standards: LST EN 60335-2-30:2010+AC:2010+A11:2012+AC:2015 (EN60335-2-30:2009+ AC:2010+ A11:2012+ +AC:2014); LST EN61000-4-2:2009 (EN61000-4-2:2009); LST EN 61000-4-3:2006+A1:2008+A2:2010 (EN 61000-4-3:2006+A1:2008+A2:2010); LST EN 61000-4-4:2013 (EN 61000-4-4:2012); LST EN 61000-4-5:2014 (EN 61000-4-5:2014); LST EN 61000-4-11:2004 (EN 61000-4-11:2004); LST EN 61000-6-2:2005 (EN 61000-6-2:2005);...
11 - L – Connection box Left, R – Connection box Right, N – not known (connection box side must be confirmed before proceeding the orders). Additional accessories*: – Differential pressure switch for air flow detection – Sensor for minimum air velocity detection –...
AL - heaters can be equipped with an integrated relay with potential free alarm contacts (NO/NC). It indicates whether the overheating thermostat has tripped. Description of operating B control type Electrical heaters B … are designed without control board. External EKR or other controller required.
reset button when the temperature drops below reset temperature. Various temperature thermostats are available to choose (automatic 50°C/75°C, manual 75°C/100°C/120°C), as well as easily adjustable automatic thermostats (10°C – 55°C). LED indications NI/NV When the heater power supply is switched on, LED 6 (LED 2 with TFA module) on the controller PCB flashes once every 8 seconds if setpoint is 0 °C and every second if setpoint is 0 °C.
6. When the heater power supply is switched on, after power supply interruption or after any failure, controller is in repairing mode for 30 seconds. 7. PCB fault. Contact: quality@ventmatika.lt Heater gives full 1. Temperature sensor fault. Check sensor resistance, it must be 10kΩ at 25°C.
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1. Manufacturer declares 2 years warranty term from the date of manufacturer’s invoice. Warranty is applied in case if all requirements of transporting, storing, installation and electrical connection are fulfilled. 2. In case of damaged or faulty product during warranty term customer must inform producer in 5 days and deliver product to manufacture as soon as possible at customer's costs.
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Manufacturer: VENTMATIKA UAB Metalistu str. 2A-1, 78107 Siauliai Lithuania EMS2022_001...
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