MR4PMUHV Electronic Temperature/Defrost Control with Relay Pack technical specifications - PENN Controls - LIT-1927380 - MR4PMUHV - Electronic Refrigeration, Defrost, and Multi-Purpose Controller - MR4 Refrigeration and Defrost Controller

MR4PMUHV Electronic Temperature/Defrost Control with Relay Pack Catalog Page
Product
Refrigeration > Refrigeration Controls > MR4 Refrigeration and Defrost Controller
Document type
Catalog Page
Document number
LIT-1927380
Revision date
2020-04-22
Table 1. 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
Ambient Operating Conditions 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)
RP4MRUHV-1C -40° to +111°F/ -40° to +44°C;

derating 6.25% per 1°C to 60°C;

0 to 95% RH (noncondensing)
Ambient Storage Conditions 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)
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 2. 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
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).