USER’S MANUAL
Air duct heater
with an integrated temperature
control module or a control unit
NK…U
Page 1: ...USER S MANUAL Air duct heater with an integrated temperature control module or a control unit NK U...
Page 2: ...ater or the unit as mentioned in the Safety requirements and Manufacturer s warranty sections as well as in warnings and information blocks SAFETY REQUIREMENTS Read the user s manual carefully prior t...
Page 3: ...et hands Do not wash the unit with water Protect the electric parts of the unit against ingress of water Do not allow children to operate the unit Disconnect the unit from power mains prior to any tec...
Page 4: ...ithout disconnection from the power mains Transported air must not contain any flammable or explosive mixtures evaporation of chemicals sticky substances fibrous materials coarse dust soot and oil par...
Page 5: ...tem x 0 8 NK 100 1 2 1 U Un 90 5 2 230 2 items x 0 6 NK 100 1 6 1 U Un 120 7 0 230 2 items x 0 8 NK 100 1 8 1 U Un 130 7 8 230 3 items x 0 6 NK 125 0 6 1 U Un 60 2 6 230 1 item x 0 6 NK 125 0 8 1 U Un...
Page 6: ...50 14 8 230 2 items x 1 7 NK 160 3 6 3 U 265 5 2 400 3 items x 1 2 NK 160 5 1 3 U 375 7 4 400 3 items x 1 7 NK 160 6 0 3 U 440 8 7 400 3 items x 2 0 NK 200 3 4 1 U 250 14 8 230 2 items x 1 7 NK 200 3...
Page 7: ...0x300 10 5 3 U 770 15 2 400 10 5 3x4 0 NK 500x300 12 0 3 U 880 17 4 400 12 0 3x5 0 NK 500x300 15 0 3 U 1100 21 7 400 15 0 3x6 0 NK 500x300 18 0 3 U 1320 26 0 400 18 0 3x7 0 NK 500x300 21 0 3 U 1540 30...
Page 8: ...126 230 370 290 1 8 NK 125 2 4 1 U Un 124 126 230 454 374 2 NK 150 1 2 1 U Un 149 144 255 306 226 2 1 NK 150 1 7 1 U Un 149 144 255 306 226 2 1 NK 150 2 0 1 U Un 149 144 255 306 226 2 1 NK 150 2 4 1 U...
Page 9: ...K 160 3 4 1 U 159 187 350 370 298 4 6 NK 160 3 6 3 U 159 187 350 370 298 5 2 NK 160 5 1 3 U 159 187 350 370 298 5 2 NK 160 6 0 3 U 159 187 350 370 298 5 2 NK 200 3 4 1 U 199 237 389 376 298 5 2 NK 200...
Page 10: ...0 520 702 250 270 290 228 23 0 NK 500x250 10 5 3 U 500 520 702 250 270 290 228 23 0 NK 500x250 12 0 3 U 500 520 702 250 270 290 228 23 0 NK 500x250 15 0 3 U 500 520 702 250 270 290 228 23 1 NK 500x250...
Page 11: ...370 390 228 28 5 NK 600x350 24 0 3 U 600 620 802 350 370 390 228 28 5 NK 700x400 18 0 3 U 700 720 924 400 420 440 410 16 8 NK 700x400 27 0 3 U 700 720 924 400 420 440 530 21 0 NK 700x400 36 0 3 U 700...
Page 12: ...c thermostat control knob with a temperature scale The rear panel of the junction box has sealed lead ins for leading the power cable grounding conductor and the remote temperature sensor cable The he...
Page 13: ...ding on the pre programmed heating requirements For example if the full load is intermittently on and off in 5 second periods the heater runs at 50 of its maximum power output The cycle time i e the t...
Page 14: ...GND 19 IN1 5 PD1 21 TK50 22 RB 25 3 1 Q3 Q1 CQ DO2 PE Tset out 10 K3 13 GND PTin 6 K1 SCR 16 17 Tset 10 V 4 RA TK50 PD1 23 24 20 L N 2 Q2 DO1 DO1 DO2 C2 C4 VD10 C7 VD6 VD7 VD8 VD9 DA1 X11 C8 C9 C10 I...
Page 15: ...ouble the connection size No inflammable explosive or fire hazardous materials are allowed within 150 mm of the heater casing and within 500 mm of the heater air inlet and outlet Air ducts and fans mu...
Page 16: ...ent must be consistent with the maximum current consumption of the unit The recommended nominal trip current of the circuit breaker the cross section and the number of cores are given in the respectiv...
Page 17: ...3x2 5 NK 125 0 6 1 U Un 230 3 15 3x0 75 NK 125 0 8 1 U Un 230 4 0 3x0 75 NK 125 1 2 1 U Un 230 6 3 3x2 5 NK 125 1 6 1 U Un 230 8 0 3x2 5 NK 125 2 4 1 U Un 230 10 0 3x2 5 NK 150 1 2 1 U Un 230 6 3 3x2...
Page 18: ...ge V Rated current of the circuit breaker A Number of cores cross section mm2 NK 150 3 4 1 U 230 20 3x2 5 NK 160 3 4 1 U 230 20 3x2 5 NK 200 3 4 1 U 230 20 3x2 5 NK 250 3 0 1 U 230 20 3x2 5 NK 150 3 6...
Page 19: ...3 U 400 10 5x2 5 NK 500x300 7 5 3 U 400 16 5x2 5 NK 500x300 9 0 3 U 400 16 5x2 5 NK 500x300 10 5 3 U 400 20 5x2 5 NK 500x300 12 0 3 U 400 20 5x2 5 NK 500x300 15 0 3 U 400 25 5x2 5 NK 500x300 18 0 3 U...
Page 20: ...ut Protective contact circuit connection The Start signal the activation signal source device must be connected to the X2 terminal block Enable no and s The flow sensing element the supply filter pres...
Page 21: ...mantling unit setup To benefit from warranty repair the user must provide the unit the user s manual with the purchase date stamp and the payment document certifying the purchase The unit model must c...
Page 22: ...ail Purchase Date This is to certify acceptance of the complete unit delivery with the user s manual The warranty terms are acknowledged and accepted Customer s Signature Seller s Stamp INSTALLATION C...
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