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QUICK START GUIDE 

Refer to Owner’s Manual for Safety Statements. Complete Owner’s Manual available online. 

 
 

(C) 

 

(i) 

(ii) ( iii) (iv) (v)  (vi) 

 

OVEN CLEARANCES 

A. 

Allow at least 2” (5.1 cm) of clearance 
around top of oven. Proper air 
flow around oven cools electrical 
components. With restricted air flow, 
oven may not operate properly and life 
of electrical parts is reduced. 

B. 

General market models: 

There is not 

an installation clearance requirement 
for the back of the oven. 

HDC21RB2, MCHDC21, HDC21DQ 
only: 

Allow at least 1” (2.54 cm) of 

clearance around back of oven. 

C. 

Allow at least 1” (2.54 cm) of clearance 

CONTROL PANEL FEATURES 

(A) 

USB Port 

(B) 

Display 

(C) 

Number Keypads 

(D) 

Start/ OK Keypad 

(E) 

Stop/ Reset Keypad 

 

 

(F) 

Secondary Function Keypads 
To activate, press and hold corresponding 
number keypad. 

(i) 

Manual Time Entry Mode 

(keypad 

“1”) 

(ii) 

Power Level 

(keypad 

“2”) 

(iii) 

Programming Mode 

(keypad 

“3”) 

(iv) 

User Options 

(number keypad 

“4”) 

(v) 

X2 - Double Quantity Cooking 

(keypad 

“5”) 

(vi) 

Menu A/B 

(keypad 

“6”) 

around sides of oven. 

D. 

Install oven so oven bottom is at least 
3 feet (91.5 cm) above floor. 

 

 

Preset Program Keypads 

To cook food using preprogrammed cooking 
sequences: 

1. 

Open oven door, place food in oven, 
and close oven door. 

2. 

Press desired number keypad(s). 

3. 

Oven operates and time counts down. 

4. 

At the end of the cooking cycle, the 
oven beeps. Carefully remove food 
from oven. 

 

X2 - DOUBLE QUANTITY COOKING 

1. 

Press 

and hold number keypad “5”/ X2 

to toggle double quantity feature ON. 
“X2” appears at top center of screen 
when enabled. 

2. 

Press desired number keypad(s). 
Display counts down cooking time for 
two quantities. 

 

MENU A/B 

(select models) 

Press and hold number key

pad “6” to toggle 

between A and B menus. 

So…how do I use it? 

 

Manual Time Entry Mode 

Time entry mode allows the user to manually enter cook time and power level, without 
changing the preset program keypads. 

1. 

Open oven door, place food in oven, and close door. 

2. 

Press and hold number keypad “1”/ TIME ENTRY. 

3. 

Press number keypads to enter desired cook time. 

4. 

Press and hold number keypad “2”/ POWER LEVEL to change power level. 
•  Press number keypads to enter % microwave power (“1”=10%, “2”=20%,etc.) 

For 100% power l

evel, press and hold number keypad “2”/ POWER LEVEL. 

5. 

Press START/OK keypad to begin cooking. 

6. 

At the end of the cooking cycle, the oven beeps. Carefully remove food from oven. 

 

Programming Mode 

1. 

Press and hold number keypad “3”/ PROGRAM. 

2. 

Press number keypad(s) to open the desired program location. 

3. 

To edit name: 

Press number keypad “0”. Press number keypads to enter recipe name. 

Press START/OK keypad. 

4. 

To edit cook time 

for 

Stage One: 

Press number keypad “1”. Press number keypads to 

enter cook time. Press START/OK keypad. 

5. 

To edit power level 

for 

Stage One: 

Press number keypad “5”. Press number keypads to 

enter % microwave power (“1”=10%, “2”=20%,etc.). For 100% power level, press and hold 
number keypad “2”/ POWER LEVEL. 

6. 

If stage cooking is desired, repeat steps 4-5 for each additional stage, substituting 
corresponding number keypads for each stage. 

7. 

To save and exit programming mode: 

Press START/OK keypad. 

(A) 

(B) 

(F) 

(D) (E) 

This document covers HDC*, MDC*, DEC*, MCHDC*, and CRC* models 

Summary of Contents for MDC182SA

Page 1: ...mercial Microwave Ovens Refer to individual Technical Sheet for information on a specific model This manual is to be used by qualified service technicians only ACP Inc does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person 16400044 Revision 1 December 2019 ...

Page 2: ...Important Safety Instructions 3 4 Oven Specifications 5 6 Quick Start Reference Guide 7 8 Component Location 9 13 Airflow 14 Component Testing 15 17 Service Mode 17 Power Output Test 18 Wiring and Schematic Diagrams 19 23 ...

Page 3: ...n Keep these instructions for future reference If the oven changes ownership be sure this guide accompanies oven PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY A DO NOT attempt to operate this oven with the door open since open door operation can result in harmful exposure to microwave energy It is important not to defeat or tamper with the safety interlocks B DO NOT place an...

Page 4: ...through heating it Do not use straight sided containers with narrow necks After heating allow the container to stand in the microwave for a short time before removing it b Use extreme care when inserting a spoon or other utensil into the container 8 Do not deep fat fry in oven Fat could overheat and be hazardous to handle 9 Do not cook or reheat eggs in shell or with an unbroken yolk using microwa...

Page 5: ... MHz 2450 MHz 2450 MHz 2450 MHz Power Consumption Cook condition microwave 2000W 3000W 3000W 3000W 3200W Door Style Window Window Window Solid Window Dimensions Cabinet Width 419 cm 16 5 in 419 cm 16 5 in 419 cm 16 5 in 419 cm 16 5 in 419 cm 16 5 in Height 343 cm 13 5 in 343 cm 13 5 in 343 cm 13 5 in 343 cm 13 5 in 343 cm 13 5 in Depth includes door handle 549 cm 21 63 in 549 cm 21 63 in 549 cm 21...

Page 6: ... 549 cm 21 63 in Oven Interior Width 330 cm 13 in 330 cm 13 in 330 cm 13 in Height 171 cm 6 75 in 171 cm 6 75 in 171 cm 6 75 in Depth 305 cm 12 in 305 cm 12 in 305 cm 12 in Weight Crated 34 kg 74 lbs 34 kg 74 lbs 34 kg 74 lbs Uncrated 31 kg 68 lbs 31 kg 68 lbs 31 kg 68 lbs Installation Unpacking Oven Inspect oven for damage such as dents in door or dents inside oven cavity Report any dents or brea...

Page 7: ...2 appears at top center of screen when enabled 2 Press desired number keypad s Display counts down cooking time for two quantities MENU A B select models Press and hold number keypad 6 to toggle between A and B menus So how do I use it Manual Time Entry Mode Time entry mode allows the user to manually enter cook time and power level without changing the preset program keypads 1 Open oven door plac...

Page 8: ...eprogrammed items Manual Programming On Off Allows use of manual time entry and preprogrammed keypads Allows use of preprogrammed keypads only Time Entry On Off Manual time entry cooking allowed Manual time entry cooking not allowed Maximum Cook Time 10 minutes 60 minutes Allows 10 minutes of heating time Allows 60 minutes of heating time Keypad Enable Window 15 seconds 30 seconds 1 minute 2 minut...

Page 9: ...9 OVEN CONSTRUCTION BLOWER CAPACITOR DIODE INTERLOCK ...

Page 10: ...10 DOOR ...

Page 11: ...11 CONTROL BOARD MAGNETRONS DUCTS FUSE ...

Page 12: ...12 TRAY CAVITY ANTENNAS ...

Page 13: ...13 WRAPPER ACCESS PANEL LAMP ...

Page 14: ...14 AIR FLOW 1 AIR ENTERS THROUGH FRONT FILTER 3 AIR PUSHED THROUGH MAGNETRONS 2 AIR IS DRAWN INTO BLOWER 4 AIR PUSHED CAVITY AND EXITS THROUG CAVITY DUCTS ...

Page 15: ...oved Infinite Approximately 60 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 deflection occurs replac...

Page 16: ...Remove all wires from terminals and measure resistance from 230 to Common 208 to Common Terminal 5 to 6 Terminal 7 to 8 Terminal 4 to Ground 1 Ω 1 Ω 1 Ω 1Ω 27Ω 10 Interlock Switch Assembly Disconnect wires to switch With door open measure resistance from Primary Terminals Monitor Terminals Secondary Terminals With door closed measure resistance from Primary Terminals Monitor Terminals Secondary Te...

Page 17: ...ISPLAYED AT THE PIN PROMPT ENTER 1 3 5 7 then 9 THEN SELECT FROM THE FOLLOWING o 1 USAGE This shows Door Cycles Tube Cycles and Tube Hours o 2 ERROR HISTORY This shows any Error Codes that have occurred o 3 PIN CODE This reveals the 4 digit PIN code required for programming if enabled o 4 VOLTAGE SWITCHING not available on 120vac units Allows selection of Forced 208 Sensing Auto Sense or Forced 23...

Page 18: ...r 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 with electromechanical timers 1 At end of the cycle remove test container Using the thermometer stir water for five to ten seconds and...

Page 19: ...19 HDC12A2 P2007001M MDC12A2 P2007002M WIRING AND SCHEMATIC DIAGRAMS ...

Page 20: ...DC182 P2007006M HDC1815 P2007003M HDC18SD2 P2007005M HDC212 P2007011M MDC212 P2007014M MDC182CA P2007008M MDC182CD P2007009M CRC18T2OG2 P2007010M HDC21RB2 P2007012M HDC21DQ P2007013M MCHDC21 P2007015M CRC21T2RLPF P2007016M ...

Page 21: ...21 MDC182SA P2007025M MDC212SA P2007031M MDC212B P2007032 ...

Page 22: ...22 MMDC182K P2007007M ...

Page 23: ...23 MCHDC21T P2007030M ...

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