Rational Combi RCU1275 Specifications

MII-061

11/11

Manitowoc

Parts & Service Communicator

Subject: RN1278C Nugget Ice Machine and

RCU1275 Condensing Unit Specifications

General Specifications

RN1278C Ice Machine Head Section and RCU1275 Condensing Unit

Refrigerant Charge (R-404A) 9.75 lbs (4.42 kg)

High Pressure Cut-Out Cut-In - 295 psig Cut-Out - 450 psig
Low Pressure Cut-Out Cut-In - 12 psig Cut-Out - 35 psig

3/8" FPT (Female Pipe Thread)

Ice Making Water Inlet

Ice Making Water Dra in 3/4" MPT (Male Pipe Thread)
Line Set RC21 RC31 RC51 Suction Line 5/8” (16mm) Liquid Line 3/8” (9.5mm)
Operating Temperatures

RN1278C
RCU1275 Minimum -20°F (-29°C) Maximum 120°F (49°C)

Voltage

RN1278C

RCU1275

Outside Cabinet Dimensions

RN1278C
RCU1275 H eigh t - 25.75" (654 mm) Width - 34.0" (864 mm) Depth - 24.13" (613 mm)

Minimum 50°F (14°C) Maximum 100°F (38°C)

Max Fuse - 15 amp

Total amps - 6.0

208-230/60/1

Max Fuse - 15 amp

Total amps - 15

Height - 26.5" (749 mm) Width - 22" (559 mm) Depth - 24.5" (622 mm)

Temperature - Minimum 45°F (7°C) Maximum 90°F (32.2°C)

Water Pressure - Minimum 20 psig (138 kPa) Maximum 70 psig (483 kPa)

115/60/1

208-230/60/3

Max Fuse - 15 amp

Total amps - 15

Energy Usage

Kwh / 100 lbs

Air 90°F (32°C) / Water 70°F (21°C)

4.92

Installation on a Manitowoc Bin

Bin Adapters Kits Bin

K-00365 B-170, B-400, B-570
K-00368 B-970
K-00771 C-730

Manitowoc Ice, 2110 S. 26th St., P.O. Box 1720, Manitowoc, WI 54221-1720, Tel: [phone], www.manitowocice.com

Continued on Next Page...

RN1278C Nugget Ice Machine and RCU1275 Condensing Unit Specifications MII-061 9/10

RN1278C QuietQube Remote Air-Cooled Ice Machines

24 HOUR ICE PRODUCTION OPERATING PRESSURES (PSIG)

24-HOUR ICE PRODUCTION IN LB/KG

Air Temperature

Around Ice

Machine

°F/°C

70°F

21°C

90°F

32°C

120°F

49°C

Water Temperature

°F/°C

50/10 60/16 70/21 80/27 90/32

1106

502

NA NA

NA NA NA NA

NA NA NA NA

964
437

NA NA

681
309

OPERATING PRESSURES PSIG/kPa

Air Temperature

Around Ice Machine

°F/°C

60°F PSIG

16°C kPa

70°F PSIG

21°C kPa

80°F PSIG

27°C kPa

90°F PSIG

32°C kPa

120°F PSIG

49°C kPa

Freeze Cycle

Discharge

Pressure

190-200

1310-1379

227-265

1565-1827

230-260

1586-1793

238-280

1641-1931

356-400

2455-2758

Suction

Pressure

21-26

145-179

25-30

172-207

26-31

179-214

27-32

186-221

34-39

234-269

Manitowoc Ice, 2110 S. 26th St., P.O. Box 1720, Manitowoc, WI 54221-1720, Tel: [phone], www.manitowocice.com