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Selection charts Table 80: MR4PMUHV Electronic Temperature/ Defrost Control with Relay Pack Product Code Number Description MR4PMUHV-12C Relay pack defrost control with two A99BB-200C sensors Table 81: Repair Parts Product Code Number Description MR4PM12C-12C Replacement control for use in relay pack RP4MRUHV-1C Relay pack without control A99BB-200C Sensor, cable length: 6.5 ft/1.98 m MR4PMUHV Electronic Temperature/Defrost Control with Relay Pack technical specifications Table 82: MR4PMUHV Electronic Temperature/ Defrost Control with Relay Pack technical specifications Specification Description Frequency 60/50 Hz at 120/240 VAC Power consumption 10 VA at 240 VAC, 5 VA at 120 VAC Supply Level 120 and L1: 120 VAC +10%/-15% 240 and L1: 240 VAC +10%/-15% Accuracy ± 1.8F°/± 1C° A99 Sensor Cable 6.5 ft/1.98 m MR4PMUHV-12C +14° to +111°F/-10° to +44°C; derating 6.25% per 1°C to 60°C; 0 to 95% RH (noncondensing) MR4PM12C-12C +14° to +140°F/-10° to +60°C; 0 to 95% RH (noncondensing) Ambient Operating Conditions RP4MRUHV-1C -40° to +111°F/ -40° to +44°C; derating 6.25% per 1°C to 60°C; 0 to 95% RH (noncondensing) MR4PMUHV-12C -22° to +176°F/-30° to +80°C; 0 to 95% RH (noncondensing) MR4PM12C-12C -22° to +176°F/-30° to +80°C; 0 to 95% RH (noncondensing) Ambient Storage Conditions RP4MRUHV-1C -40° to +185°F/-40° to +85°C; 0 to 95% RH (noncondensing) Dimensions (H x W x D) 7.94 x 3.6 x 2.4 in. 202 x 92 x 61 mm Agency Listings UL Listed (File SA516, UL Guide SDFY; cUL Guide SDFY7) Shipping Weight 2.9 lb/1,320 g Table 83: Relay Electrical Ratings 24 120 208 240 SPST Compressor Relay Horsepower Rating — 1 1.5 2 AC Full Load Amperes — 16 11 12 AC Locked Rotor Amperes — 96 66 72 Table 83: Relay Electrical Ratings 24 120 208 240 Pilot Duty (VA) 125 750 875 1,125 SPDT Fan Relay Horsepower Rating — 1/3 1/2 3/4 AC Full Load Amperes — 7.2 5.65 6.9 AC Locked Rotor Amperes — 43.2 33.9 41.4 Pilot Duty (VA) 50 325 450 600 SPST Defrost Heater Relay Horsepower Rating — 1 1.5 2 AC Full Load Ampere — 16 11 12 AC Locked Rotor Amperes — 96 66 72 Non-Inductive Load Amperes — 20 20 20 Pilot Duty (VA) 125 750 825 1,125 SPST Alarm Relay Non-Inductive Load Ampere 5 5 5 5 Pilot Duty (VA) — 125 250 325 Note: Ratings shown are for ambient operation at -40 to 44°C. Derate electrical ratings 6.25% per 1°C (1.8°F) between 44°C (111°F) and 60°C (140°F). 76 Refrigeration Products Catalog

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