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Catalog excerpts
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ELECTRICAL RECTANGULAR DUCT HEATERS Technical data Mounting Maintenance ELECTRICAL RECTANGULAR DUCT HEATERS
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ELECTRICAL RECTANGULAR DUCT HEATERS Table of contents Description …………………………………………………………………………………….………..………………. 2 Dimensions ……………………………………………………………………………………….………….………….. 2 Technical data …………………………………………………………………………………….……………………. 3 Model marking ……………………………………………………………………………………………………..…. 4 Overheating protection …………………………………………………………………………….…………..…. 5 Installation and electrical connection …………………………………………………….……….…..……. 6 Heaters EKS with integrated controller …………………………………………………………..………. 10 External controllers for the heaters EKS …………………………………………..…………………..…. 11 Additional accessories...
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ELECTRICAL RECTANGULAR DUCT HEATERS Description Electrical duct heaters EKS are designed to heat fresh air in ventilation systems. Casing (EKS protection class IP 44, except EKS Type NV which protection class IP 30) is made from Aluzinc coated steel which is high temperature proof and with rubber seals for duct connection. Heating elements tube is made from stainless steel AISI 304. There are 2 protection thermostats (or more, depending on the heater power) and screw terminals for easy connection installed in the heaters. Heaters can be installed horizontally with the electrical connection...
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ELECTRICAL RECTANGULAR DUCT HEATERS Technical data Heater type Available heating elements (kW)
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* – different power and dimensions on request Heaters conforms to requirements of standards: LST EN 60335-2-30:2003+A1:2005+A2:2007 LST EN 60335-2-30:2010+AC:2010+A11:2012 (EN 60335-2-30:2009+AC:2010+A11:2012) and therefore complies with the essential requirements and provisions of the 2006/95/EC and 2004/108/EC Directives. The CE mark is affixed. Model marking without integrated control 3 – Heating power (kW) 3 – 3 kW ... 90 – 90 kW 4 – Additional accessories: PS – Differential pres
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ELECTRICAL RECTANGULAR DUCT HEATERS with integrated controller NV – Potentiometer on the top of the heater casing for temperature control NI – External wired remote setpoint knob (TR5K) for temperature control NIS – External wired remote (0…10) VDC signal for temperature control (analog input) ESKM – External wired remote PWM (ON/OFF: ON (6…24) VDC) signal for temperature control MB – External wired remote temperature control via Modbus RTU protocol (RS485) 2 – Duct width (mm) 400 – 400 mm 500 – 500 mm 600 – 600 mm 4 – Heating power (kW) 3 – 3 kW ... 90 – 90 kW (NV, NI, NIS,MB) >15 kW with...
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ELECTRICAL RECTANGULAR DUCT HEATERS Installation and electrical connection Electrical duct heaters EKS can be installed horizontally with the electrical connection box facing upwards or sideways and vertically (only if the air flow direction upwards) (see Fig. 1). Fig. 1. Heaters installation positions Heaters can’t be installed in explosive and aggressive substances environment. Heaters can be used only for the clean air heating or preheating. Heaters intended only for inside installation. If heater is installed in such way that can be accidental contact with heating elements, protective...
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ELECTRICAL RECTANGULAR DUCT HEATERS We recommend install supply air temperature sensor in distance multiplied by the heater’s duct height (3xH). For example: heater EKS duct height 200 mm, sensor’s installation distance will be: 3x200=600 mm.
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ELECTRICAL RECTANGULAR DUCT HEATERS Fig. 5. Mounting example EKS ESKM… Fig. 7. Mounting example EKS NI…2NTC… AHU – Air handling unit
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ELECTRICAL RECTANGULAR DUCT HEATERS Fig. 9. Mounting example EKS NI… (Preheater) AHU – Air handling unit Fig. 10. Mounting example EKS NIS… (Preheater) AHU – Air handling unit Fig. 11. Mounting example EKS ESKM… (Preh
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ELECTRICAL RECTANGULAR DUCT HEATERS Heaters EKS with integrated controller Heaters EKS with integrated temperature controller EKR-KN… (See Fig. 12) can be controlled in five different ways depending on control type: Type EKS NV – potentiometer on the top of the heater casing for temperature control Type EKS NI – external wired remote setpoint knob (TR5K) for temperature control Type EKS NIS – external wired remote 0…10V signal for temperature control Type EKS ESKM – external wired remote PWM (ON/OFF: ON(6…24)VDC) signal for temp. control Type EKS MB – external wired remote temperature...
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