PHZ Service Manual Serviceab le Component HALOGEN LAMPS The halogen lamp assemblies are 12 volt, 20 watt halogen bulbs. There are two light settings; normal, and dim. These two settings are controlled by the step down transformer LIGHTS NOTE: Turn off the lights and fan. Allow the lights to cool before handling.
PHZ Service Manual Serviceab le Component Infra Red Heat Lamps The infra red heat lamps are 120 v.a.c. 175 or 250 watt lamps. • Turn heat lamp counterclockwise to remove. • Replace lamp with either a P AR-38 175W heat lamp or a PAR-40 250W heat lamp.
PHZ Service Manual Serviceab le Component Filters The metal gr ease filters ar e made of anodized aluminum and are long lasting. T o Remo ve The Metal Gr e ase Filters • Turn the fan and lights off. • Allow filters to cool before removal.
PHZ Service Manual Serviceab le Component Step Do wn Transf o rmer The step down transformer is a multiple tap 120 v.a.c. step down transformer. one tap outputs 12 v.a.c. for regular lights, and the other tap outputs 9.6 v.a.c.when the dim light is selected. PAGE 4...
PHZ Service Manual Serviceab le Component Main Rela y Boar d The main relay board is a microproccessor based printed circuit board. The relay board has specific relays to activate the components in the hood. The relay board reacts to input and commands from the input board. PAGE 5...
PHZ Service Manual Serviceab le Component Input Boar d The input board serves as a selector s witch. the mode is selected on the input boar d buttons. The input board sends the commands to the r elay board. The relay board and the input boar d communicate through a ribbon connector.
PHZ Service Manual Serviceab le Component Heat Sensor While the sensor is activated due The PHZ hood is equipped with a heat sensor that is located inside the input boar d. It is not to excessiv e heat: visible or field replaceable. The entire input board must be replaced.
PHZ Service Manual Operating Instructions Hood Operating Instructions The blower should be turned on f o r about 5 min utes other rooms. Use the lo w speeds for normal use before cooking in or der to establish air cur rents and the higher speeds for strong odors or fumes.
PHZ Service Manual Cleaning Instructions Cleaning Instructions Be sure lights are cool before cleaning the hood. T o Clean Filters • When the filter reminder illuminates, the filters and grease troughs should be cleaned. When used over a grill, more frequent cleaning ma y be required.
PHZ Service Manual Disassemb ly Disassemb ly The halogen lights and infra r ed lights are mounted on the light panel. T o drop light panel, and gain access to components; 1) Remove 3 scr ews as illus- trated and dr op the light panel.
PHZ Service Manual Replaceab le Stainless Steel P a rts Stainless Steel P a rts The stainless st5eel par ts illustrated below are field replaceable. Inside Panel Spacer Light Panel Grease Trough Spacer Grease Trough Inside Panel Top Trim Filters PAGE 11...
PHZ Service Manual Transf o rmer Panel Remo val Transf o rmer P anel Remo val The step down transformer, electronic control and wire harness are mounted on the transformer panel. T o remove the transf ormer panel and gain access to these components; 1) Lower the light panel.
PHZ Service Manual Input Board Remo val Input Boar d Remo val The input boar d is mounted on the inside of the hood. T o remove the input boar d: 1) Remove light panel. 2) Remove (4) number 9 hex head nuts that attach the input board to the hood. (see illustration), Input Board PAGE 13...