Rational Oven CM Installation Manual
Installation Addendum
Model CM* Medium Prole Units
Part No. 25901501
January 2009
Type
Air
Defrost
Electric
Defrost
Hot Gas
Defrost
Number
of Fans
1 3/16 21-1/2
2 3/16 21-1/2
3 3/16 21-1/2
4 3/16 21-1/2
Distributor Tube (in.)
OD Length
Model # Circuits R-404A1 Nozzle R-22 Nozzle
130 3 L-1 L-3/4
155 5 L-1 L-3/4
245 9 G-2-1/2 G-1-1/2
300 9 G-2-1/2 G-1-1/2
365 9 G-3 G-2
450 12 E-4 E-2-1/2
510 13 E-5 E-3
600 18 E-5 E-3
5 3/16 21-1/2 710 18 E-6 E-4
1 3/16 21-1/2
2 3/16 21-1/2
3 3/16 21-1/2
4 3/16 21-1/2
101 5 L-1-1/2 L-3/4
100/140 6 L-1-1/2 L-1
165 / 190 9 G-2-1/2 G-1-1/2
220 / 260 12 E-3 E-2
250 / 310 13 E-4 E-2-1/2
330 / 390 18 E-5 E-3
370 / 430 13 E-5 E-3
440 / 520 18 E-6 E-4
5 3/16 21-1/2 530 / 620 18 E-8 E-5
2 1/4 19-1/2 165 / 190 9 E-3 E-1-1/2
2 1/4 21-1/2 220 / 260 12 E-4 E-2-1/2
2
13 E-4 E-2-1/2
2
18 E-5 E-3
2
13 E-5 E-3
2
18 E-6 E-4
3 3/16 21-1/2
4 3/16 21-1/2
250 / 310
330 / 390
370 / 430
440 / 520
1
also suitable for R-507, R-502, R-134a, R-401A, R-402A.
2
Selections revised 10/07.
Nozzles sized for 90° - 100° F. liquid temp. at expansion valve. Refer to Installation and Operation manual if liquid temp. is not 90° - 100° F.
Consult factory or representative if evaporator TD is not 10° - 15° F., (room temp. - saturated suction temp.). Consult factory or representative for electric
and hot gas defrost models when used at a saturated suction temperature greater than 0° F.
CAUTION: REFRIGERATION SYSTEM WILL NOT PERFORM PROPERLY WITHOUT CORRECT NOZZLE!
© 2009 Heatcraft Refrigeration Products, LLC
Replacement Parts
Motor / Fan Blade / Guards
Part Number Description
5020-S Motor 115 V
5020-T Motor 208-230 V
4567-T Motor 208-230V, totally enclosed
25302201 Motor 460 V
25304601 * Motor 460 V Low Temp, totally enclosed
25308101 *
Motor 208-230 V Low Temp, totally enclosed
5599-M Run Capacitor (5 MFD), used with most motors
5779-G
Run Capacitor (7.5 MFD), used with
25304601 motor only
5064-E Motor Mount
5130-C Fan Blade
5054-F Fan Guard, Molded Gray
23101801 Fan Guard, Black Wire
*special motors to be used in room ambients of -31° to -55° F
Drain Pan Defrost Heater (One per unit)
Part Number Description Voltage
24710301 1 fan unit, 530 W 208-230 V Black
24710302 2 fan unit, 950 W 208-230 V Black
24710303 3 fan unit, 1350 W 208-230 V Black
24710304 4 fan unit, 1800 W 208-230 V Black
24710305 5 fan unit, 2000 W 208-230 V Black
24710401 1 fan unit, 530 W 460 V Red
24710402 2 fan unit, 950 W 460 V Red
24710403 3 fan unit, 1350 W 460 V Red
24710404 4 fan unit, 1800 W 460 V Red
24710405 5 fan unit, 2000 W 460 V Red
24710502 2 fan unit, 950 W 115 V
24710503 3 fan unit, 1350 W 115 V
24710504 4 fan unit, 1800 W 115 V
Color
Code
Black,
White
Black,
White
Black,
White
Coil Defrost Heaters (Four per unit)
208-230/460 V
Part Number Description
24710201 1 fan unit, 550 W
24710202 2 fan unit, 1100 W
24710203 3 fan unit, 1600 W
24710204 4 fan unit, 2100 W
24710205 5 fan unit, 2400 W
23308001 Heater Clip (with 1-3 fans)
23308101 Heater Clip (with 4-5 fans)
Electrical Components
Part Number Description
2891040 Room thermostat
Defrost termination
5709-L
and fan delay
thermostat, sealed
bi-metal type
Defrost termination and
2890109
fan delay thermostat,
adjustable type
5708-L Heater limit thermostat
Cabinet Components
Part Number Description
40491902 Drain Pan* 1
40492102 Drain Pan* 2
40492302 Drain Pan* 3
40492502 Drain Pan* 4
40492702 Drain Pan* 5
40830101 Header Side Panel 1 - 5
40830201
40830901
Electrical Side
Panel
Header Connec-
tion Panel
92864003 Drain Fitting -
*Includes provisions to mount drain pan heater.
Number
of Fans
1 - 5
1 - 5
A Brand of Heatcraft Refrigeration Products, LLC
2175 West Park Place Blvd. • Stone Mountain, GA 30087
800.321.1881 • www.coldyoucancounton.com
Since product development is a continuous process, we reserve the right to
make changes in specications without notice.
25901501-0109 | version 000
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