Danfoss DEVIreg 316 설치 매뉴얼 - 페이지 10

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Danfoss DEVIreg 316에 대해서도 마찬가지입니다: 설치 매뉴얼 (16 페이지)

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Installation Guide

7.2

Typical roof protection installation

1 - Heating cable (UV protected); 2 - Fixing element; 3 -Roof sensor

1 Prepare the installation site properly by re-

moving sharp objects, leaves and mud Check

and prepare the switchboard

4 Make connection and end terminations

using only authorized accessories

7 Install sensors and extend sensor cables,

cold tails/terminate cables and place connec-

tions dry Seal all penetrations, eg through

roofs and walls

Persons involved in the installation and testing of electrical trace heating systems shall be suitably trained in all special tech-

niques required Installations are intended to be carried out under the supervision of a qualified person

Additional installation steps should be done according to Application Guide (www.devi.com)

Self-limiting cables on drum

Fig 3

2 Develop the layout plan for cable(s), sen-

sors and thermostats, cable connections/

cold tails, connection box, cable paths and a

switchboard

5 Install the connection box and fixing acces-

sories in the gutters, gutter valleys, on the roof

and/or the cable

8 Check once again and compare the insula-

tion resistance The measured value shall be

no less than 50 MΩ

AN384935621519en-010101

Fig 4

3 Check the insulation resistance of the heat-

ing cables The measured value shall be no less

than 50 MΩ

6 Install the cable(s) on the roof, in gutters and

downpipes Check once again and compare

the insulation resistance

9 Install thermostat/controller and connect

cables to the connection boxes and to the

switchboard

DEVI