Operating instructions
GENERAL 
FEATURES & OPERATING CONTROLS (continued) 
3 
SV504 SvcManual WV-4H(RW) 
ITEM 
 a6. 
 8. 
 9. 
a10. 
a11. 
 12. 
a15. 
 16. 
 18. 
 19. 
 22. 
 23. 
 28. 
a31. 
 38. 
 40. 
 41. 
 42. 
 43. 
 44. 
 56. 
 70. 
DESCRIPTION 
FIRE SUPPRESSION 
AGENT TANK (1.5 gal.) 
ADJUSTABLE (FRONT) 
LEG 
RIGID (REAR) CASTER 
MANUAL PULL STATION 
FUSIBLE LINKS 
LOWER REAR ACCESS 
PANEL 
DISCHARGE NOZZLE 
GREASE BAFFLE 
PRE-FILTER ASSEMBLY 
HEPA/CHARCOAL FILTER 
PACK 
GREASE CUP 
GREASE TROUGH 
VENTILATOR EXHAUST 
DUCT 
STATUS INDICATOR 
POWER CORD 
WARMER RELAY 
POWER CONTACTOR 
BUILDING FIRE ALARM 
RELAY 
GROUND LUG 
INTERLOCK TERMINAL 
VENTILATOR FAN 
COOLING FAN 
COMMENT 
Container for Ansulex™ Low-pH liquid fire suppression liquid. 
Allows the unit to be leveled. 
Allows the unit to be easily positioned by lifting the front of the 
unit slightly. 
Provides a means of manual activation of the fire suppression 
system. PULL ONLY IN CASE OF FIRE! 
Automatically activates fire suppression system in the event of 
fire on the cooktop. 
Allows access to Ansul® fire suppression agent tank (a6) and 
controls also access to main power contactor (41). 
Fire suppression media discharges here (2 places). 
Extracts and drains most grease and moisture from the air flow. 
Comprises the PRE-FILTER FRAME and a replaceable 
PRE-FILTER. Stops larger particles of grease from 
reaching the FILTER PACK for reduced maintenance 
costs. 
Stops most grease and smoke particles. Also assists in some 
cooking odor removal. 
Collects grease/moisture drained from grease trough (23). 
Directs grease/moisture removed by grease baffle to grease 
cup. 
Exit point for ventilator airflow - on top left rear of unit. 
DO NOT BLOCK 
Displays status of fire suppression system (COCKED - FIRED) 
If FIRED, a buzzer will sound continuously. 
6’ cord and cap. Plug for NEMA 15-60R (receptacle by user). 
Provides power to roll warmer section. Energized at all times 
except during fire safety shut-down. 
Energizes cooktop only while ventilator section is sensed as 
operational. 
Reports fire alarm condition to building fire management 
system. 
Ground wire of power cord connects here. 
Provides connection for shut-down control by building fire 
management system. 
Provides air movement for ventilation. 
Provides cooling for cooktop controls. 
VENTILATOR SECTION 










