Refrigerants: Ammonia (R717): Type GDA. Carbon Dioxide (R744): Type GDC. Halo-Carbon - HCFC (R22, etc): Type GDHC. HFC (R404A, R134a, R407C, R507): Type GDHF. Hydro-carbon - Propane (R290, R600, R600A, R1270): Type GDH. Electrical connections: terminals accept 0.5-1.5 mm2 (20-15 AWG). Supply voltage: 12- 24 V a.c / 12- 30 V d.c. Max load : 4W. Analog output: 4-20 mA Max 400 Ohm, 0-10 V Min. 10 kOhm; 0-5 V Min. 10 kOhm; RS 485 Communication: To Danfoss m2 monitoring unit. Digital output – volt free contacts: Load: 1 A, 24 V a.c/d.c.
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