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Commercial Microwave—Technical Information

 

July 2006 

16027356 

©2006 Maytag Services 

Replaces 16026912

 

208/230 V, 60 Hz Models 
HDC18 P1330504M 

HDC18SD 

P1330505M 

CRC18T2OG P1330506M 

HDC21 

P1330507M 

HDC21RB P1330508M 

CRC21T2RL 

P1330509M 

  Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or 

repair of this unit. 

  Refer to Service Manual RS2240002 for installation, operating, testing, troubleshooting, and disassembly 

instruction. 

CAUTION

!

 

All safety information must be followed as provided in Service Manual RS2240002. 

!

WARNING

 

To avoid the risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor 
before servicing, unless testing requires power. 

Models HDC18, 

HDC18SD, 

CRC18T2OG 

HDC21, HDC21RB, 

CRC21T2RL 

Power Source

 

 

 

Voltage AC 

230/208 VAC 

230/208 VAC 

Amperage (Single Unit) 

20 A 

20 A 

Frequency 

60 Hz 

60 Hz 

Single Phase, 3 wire grounded 

Receptacle 6-20R 

6-20R 

Plug 6-20P 

6-20P 

Power Output

 

 

 

Nominal microwave energy (IEC705) 

1800 Watts 

2100 Watts 

Minimum temperature rise (

T) 

18ºF / 10ºC 

21ºF / 11.5ºC 

Operating Frequency 

2450 MHz 

2450 MHz 

Power Consumption

 

 

 

Cook Condition Microwave 

3450 Watts 

3450 Watts 

Dimensions 

 

 

Cabinet 

 

 

Width 

16 5/8" 

16 5/8" 

Height 

13 3/16" 

13 3/16" 

Depth 

21 9/16" 

21 9/16" 

Oven Interior

 

 

 

Width 13" 

13" 

Height 

6 7/8" 

6 7/8" 

Depth 12" 

12" 

Weight

 

 

 

Crated 

74 lbs. 

74 lbs. 

Uncrated 

68 lbs. 

68 lbs. 

 

Summary of Contents for CRC18T2OG

Page 1: ...he risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power Models HDC18 HDC18SD CRC18T2OG HDC21 HDC21RB CRC21T2RL Power Source Voltage AC 230 208 VAC 230 208 VAC Amperage Single Unit 20 A 20 A Frequency 60 Hz 60 Hz Single Phase 3 wire grounded X X Receptacle 6 20R 6 20R Plug 6 20P 6 20P Power Output Nominal m...

Page 2: ...ire to terminal MT2 removed Infinite Approximately 40 Ω or more Infinite Infinite Capacitor Discharge Capacitors Remove wires from capacitor terminals and connect ohmmeter set on highest resistance scale to terminals Also check between each terminal and capacitor case Between Terminals Meter should momentarily deflect towards zero then return to over 5 MΩ If no deflection occurs or if continuous d...

Page 3: ...olet Red 1 2 3 1 0 Ω Less than 1 Ω Less than 1 Ω Less than 1 Ω 30 Ω Infinite resistance If not replace transformer Primary Logic Secondary Monitor Interlock switch assembly Disconnect wires to switch With door open measure resistance from Terminal C to NC Monitor Terminal C to NO Primary Logic Terminal C to NO Secondary With door closed measure resistance from Terminal C to NC Monitor Terminal C t...

Page 4: ...tion Control board Terminals F G 230 VAC line voltage Fan relay controls blower motor antenna motor s and oven light Control board Terminals C E Line voltage sensing relay automatically switches for 208 or 230 VAC operation Control board Terminals F H Line voltage All Conditions 0 VAC Idle and Standby 0 9 VAC Cook Line voltage Idle 0 VAC Standby and Cook Line voltage Idle 0 volts Standby and Cook ...

Page 5: ...st container to the 1000 ml line with cool tap water NOTE Water temperature should be approximately 60 F 16 C 2 Using the thermometer stir water for five to ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens wi...

Page 6: ... avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 16027356 July 2006 Replaces 16026912 2006 Maytag Services 6 12844902 DANGER HIGH VOLTAGE ...

Page 7: ...WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power July 2006 16027356 2006 Maytag Services Replaces 16026912 7 12844902 ...

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