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Installation Instruction

Power connection kit

Cable to Junction Box with ½” NPT cable gland

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Содержание 088L0023

Страница 1: ...Installation Instruction Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 2: ...a NPT thread junction box and the following self regulating trace heaters Danfoss PX Pipe Trace Heating System Danfoss RX C Roof and Gutter De Icing System To connect the trace heater to the cold lead cable the 2 bus wires are insulated with heat shrink tubes then connected to the cold lead cable inside the junction box Additionally a green yellow heat shrink tube is provided to connect the twiste...

Страница 3: ... The US and Canadian electrical codes require ground fault protection to be provided for all trace heating circuits Install the connection system and trace heaters carefully Use the trace heater and connection system in accordance with the intended purpose and strictly comply with the operational data specified in section Technical Data The bending radius of the trace heater must be at least 1 25 ...

Страница 4: ...ck 1 x Heat shrink tube for grounding braid green yellow 1 x Outer heat shrink tube for bus wires black 3 x Terminal block 1 x Plastic gland body 1 x Inner heat shrink tube for end termination 1 x Grommet 1 x Outer heat shrink tube for end termination 1 x Fixing nut 1 x Terminal clamp Installation Instruction 4 Danfoss 2017 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable glan...

Страница 5: ...ARNING Risk of fire or electrical shock De energize all power circuits before installation or servicing Always use ground fault equipment within the heat tracing system Double check that all power circuits are de energized before you begin your work Make sure that you do not exceed the maximum heating circuit length for the trace heater type you use Refer to the system manual of the heating system...

Страница 6: ...e heater ensuring a straight cut WARNING Risk of electrical shock and material damage The gland body and grommet for PX RX trace heaters are slightly different Make sure to use the cable gland kit that fits the trace heater you use Slide the fixing nut the grommet and the gland body onto the trace heater Remove 5 145 mm of the outer jacket on the end of the trace heater 3 4 5 Installation Instruct...

Страница 7: ...ting element out of the grounding braid Twist the grounding braid in order to form a wire Push the green yellow heat shrink tube length 4 120 mm diameter 6 mm onto the twisted grounding braid Shrink the tube at a temperature of 275 F 135 C 6 7 8 9 Installation Instruction Danfoss 2017 11 7 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 8: ...t to damage the bus wires Carefully make an incision into the edges of the heating element Take care not to damage the bus wires Pull off the bus wires while holding the heating element 10 11 12 Installation Instruction 8 Danfoss 2017 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 9: ...ve the remaining heating element Take care not to damage the bus wires Carefully cut in a triangle 1 5 5 mm between the bus wires Take care not to damage the bus wires 13 14 15 Installation Instruction Danfoss 2017 11 9 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 10: ... the tubes at a temperature of 275 F 135 C Push the outer heat shrink tube length 1 25 mm diameter 12 mm over the end of the trace heater Shrink the tube at a temperature of 275 F 135 C While still hot compress the tube between the bus wires using pliers and hold for 5 seconds 16 17 Installation Instruction 10 Danfoss 2017 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland...

Страница 11: ... T connection kits repeat steps 3 to 16 to prepare the remaining trace heaters introduce them into the junction box and tighten the gland Feed the cold lead cable into the junction box 6 ft lbs 18 19 Power connection Installation Instruction Danfoss 2017 11 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 12: ...the wires are fully engaged in the terminal block Phases Neutral Ground Establish all connections as shown in the following figure Mount the cover of the junction box according to the manufacturer s installation instructions 20 21 22 Power connection Installation Instruction 12 Danfoss 2017 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 13: ...er jacket on the trace heater Remove the exposed grounding braid Make sure that the insulation jacket is not damaged Cut in a triangle 5 mm between the bus wires 23 24 25 Installation Instruction Danfoss 2017 11 13 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 14: ...tube using pliers and hold for 5 seconds Now put the outer heat shrink tube length 2 70 mm diameter 19 mm over the end of the trace heater Make sure that it overlaps the bared part of the trace heater for 20 mm Beginning at the end of the cable shrink the tube at a temperature of 275 F 135 C While still hot press the end of the tube using pliers 26 27 Installation Instruction 14 Danfoss 2017 11 VI...

Страница 15: ...the heat shrink tube Crimp on the terminal clamp using pliers Cut off the heat shrink tube in excess at 1 10 2 mm of the terminal clamp 28 Installation Instruction Danfoss 2017 11 15 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 16: ... avoid short circuits do not connect the trace heater bus wires together Keep all components and the trace heaters dry before and during installation Beware of hot surfaces when using the heat gun Keep these instructions for future reference If applicable leave them with the end user De energize before installation or servicing Use only original accessories Preparation of the trace heater WARNING ...

Страница 17: ...et les câbles chauffants au sec avant et pendant l installation Soyez prudent lors de l utilisation du pistolet à air chaud certaines surfaces peuvent devenir brûlantes Conservez ces instructions pour un usage ultérieur Le cas échéant remettez les à l utilisateur final Mettre hors tension avant toute installation ou opération de maintenance Utilisez exclusivement des pièces et accessoires d origin...

Страница 18: ...Installation Instruction 18 Danfoss 2017 11 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 19: ...Installation Instruction Danfoss 2017 11 19 VILWC122 Power connection kit Cable to Junction Box with NPT cable gland ...

Страница 20: ...terial Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies DEVI and the DEVI logo type are trademarks of Danfoss A S All rights reserved 20 Danfos...

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