Что-то как-то где-то почему-то коряво. Посмотрите, пожалуйста. construct.

[DEM]

Target is ENGLISH.

В указаниях также приводятся необходимые данные по выбору водяных спутников при использовании в качестве теплоносителя как горячей воды с постоянной температурой 150С от специальной бойлерной или от системы промышленной теплофикации, так и горячей воды с температурой 90-70С, получаемой за счет вторичных энергетических ресурсов в цеха.

Instructions also supply information required for selecting heat tracing used as fixed-temperature heat agent of 150˚C from a designated boiler or industrial heat producing system as well as 90-70˚C hot water produced from ancillary power resources in shops.

[morevoer]

...*heat tracing used as fixed-temperature heat agent of * just heat tracing fixed at imho

consider
Data required for selection either of heat tracing fixed at 150˚C from the designated boiling house or the main industrial heating unit or heat tracing from 90 to 70˚C supplied by ancillary power resources to the workshops are represented in the instructions.

[DEM]

considered.
thanks.

[PERPETRATOR™]

The guidelines provide necessary data for selecting water heat trace systems which use either hot water with the fixed temperature of 150 supplied from a [dedicated] boiler plant or hot water with the temperature bewteen 90-70 heated by [means of] ancillary power sources [installed in production units (or whatecver)]