Previous model Delta-P

Delta-P is an electronic differential oil pressure switch. It is now no longer available and has been replaced by Delta-PII, construction and assembly are identical. Delta-P consists of

a sensor unit (also "screw-in unit", screwed into the bearing cover) and
an electronic unit (also "switching unit", screwed into the sensor unit).

Differential oil pressure switch Delta-P, dimensions in mm.1: Sensor unit2: Metal blanking plate3: O-ring4: Electronic unit (360° rotatable)5: Connection cable6: Screwing cap — Differential oil pressure switch Delta-P, dimensions in mm.
1: Sensor unit
2: Metal blanking plate
3: O-ring
4: Electronic unit (360° rotatable)
5: Connection cable
6: Screwing cap

Delta-P screw-in unit for compressors with standard refrigerants

Delta-P screw-in unit for compressors with R717 (ammonia)

For details:

KT-170: Differential oil pressure monitoring, mounting and electrical connection