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General Information

©2012 Viking Preferred Service

5

DWH30 (30") – DWH36 (36") Designer wall hoods

The 30 and 36 inch designer wall hoods are designed to operate both in a recirculation 

mode as well as exterior discharge mode. FIG 1 and 2 below shows the underside of the 

30" wall hood

FIG. 1

FIG. 2

The unit comes with a two-speed dual blower motor and a two level light selection, 

both controlled by two center mounted rocker sw itches. Each switch has a center OFF 

position. FIG 3 shows a close-up of the switches.

FIG. 3

Содержание RDWHC3042

Страница 1: ...1A April 2012 This manual is to be used by qualified appliance technicians only Viking does not assume any responsibility for property damage or personal injury for improper service procedures done by...

Страница 2: ...ON Low Speed 12 FAN OPERATION High Speed 13 FAN OPERATION High Speed Thermostat 14 FAN OPERATION High Temperature Thermostat 15 Wiring Diagrams 16 DWH30 36SS Diagram 16 DCH RDWHC 30SS 30 DCH RDWHC 36S...

Страница 3: ...ts personnel to hazards that can many different types of altering messages All safety messages will be preceded by a safety alert symbol and the word DANGER WARNING or CAUTION All safety messages will...

Страница 4: ...General Information 4 2012 Viking Preferred Service Performance Chart DWH30SS DWH36SS Performance Chart DCH RDWHC 30SS DCH RDWHC 36SS...

Страница 5: ...both in a recirculation mode as well as exterior discharge mode FIG 1 and 2 below shows the underside of the 30 wall hood FIG 1 FIG 2 The unit comes with a two speed dual blower motor and a two level...

Страница 6: ...ation Charcoal Filter Added The charcoal filter is held in place with four securing clips Included with charcoal filter as shown in FIG 5 above Remove filters to access the internal blower motors FIG...

Страница 7: ...ns the length of the hood as shown in FIG 7 FIG 7 In FIG 8 the blower motor assembly has been rotated 180 for rear and top external discharge There are 2 5 16th nuts that secure the blower assembly to...

Страница 8: ...in place FIG 10 FIG 9 FIG 10 shows the rear of the hood with the damper removed Notice the two squirrel wheels in place for rear discharge Junction box for incoming power supply is located in upper r...

Страница 9: ...trim held in place with 2 Phillips head screws shown in FIG 14 and Fig 15 FIG 14 FIG 15 There are five Phillips head screws that hold the control panel in place One on each side one in the center and...

Страница 10: ...onal WARNING Disassembly 10 2012 Viking Preferred Service Remove the light and switch compartment Remove screws securing the panel to the frame of the hood One in the center and one next to each canop...

Страница 11: ...Low the current runs through the light switch through the diode which reduces the voltage to the lights The lights will operate in a low light condition When the lights are switched to position II Hig...

Страница 12: ...the fans are switched to position I Low the current runs through the fan switch through the Common and Normally closed N C contact in the High speed thermostat From there the current is sent to both l...

Страница 13: ...eferred Service 13 FAN OPERATION High Speed When the fans are switched to position II High the current runs through the fan switch directly to both high speed windings in the motors The fans will oper...

Страница 14: ...temperature in the hood exceeds 160 Fahrenheit the Fan speed thermostat will switch to the Normally Open Contact and switch power from the low speed windings to the high speed windings When the tempe...

Страница 15: ...erature Thermostat If at any time the interior of the hood exceeds 160 F the High Temp thermostat will close and operate the fans at HIGH speed When the temperature drops below 145 the High Temp Therm...

Страница 16: ...Wiring Diagrams 16 2012 Viking Preferred Service Wiring Diagram DWH30SS DWH36SS...

Страница 17: ...re designed to operate as exterior discharge mode only FIG 1 below shows the underside of the 30 wall hood FIG 1 The unit comes with a variable speed blower motor and a variable level light selection...

Страница 18: ...2012 Viking Preferred Service To access to the blower motor and internal switches remove the filters FIG 4 shows two trims that run the length of the hood both front and rear as well as the center sup...

Страница 19: ...plug shown unplugged in FIG 7 in the component compartment of the hood If now power is coming out of the J Box a three wire grounded extension cord can be used to test the operation of the hood FIG 7...

Страница 20: ...Service FIG 11 and FIG 12 show the left front screw location accessed through the light bulb openings This view is looking forward from inside the hood Suggest using a handheld mirror to locate screw...

Страница 21: ...he mounting bracket The location is shown circled in FIG 14 FIG 14 FIG 15 FIG 15 shows the location of the High Temperature Thermostat If the hood cavity exceeds 160 Fahrenheit The thermostat will clo...

Страница 22: ...between low high or any variation in between the intensity of the light output will vary The current runs through the light switch through the dimmer control then out to the cavity lights The diagram...

Страница 23: ...Troubleshooting 2012 Viking Preferred Service 23 LIGHT OPERATION High With dimmer set to high the intensity of the lights will be at full output...

Страница 24: ...When the Motor Controller is set between low high or any variation in between the speed of the motor will vary The current runs through the Fan switch through the Motor Controller then out to the mot...

Страница 25: ...Troubleshooting 2012 Viking Preferred Service 25 MOTOR OPERATION High With motor controller is set to high the motor will run at full speed...

Страница 26: ...red Service FAN OPERATION High Temperature Thermostat If at any time the interior of the hood exceeds 160 F the High Temp thermostat will close and operate The fan at HIGH speed When the temperature d...

Страница 27: ...Wiring Diagrams 2012 Viking Preferred Service 27 Wiring Diagram DCH RDWHC30SS DCH RDWHC36SS...

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