NuTone warranty installation, D-Housingfan only, Page , series fan only, model 690NT

model 690NT

installation

1.Disconnect the electrical power supply and lock out the service panel for the existing fan.

2.Remove the grille from the existing fan.

spring

grille

Pull grille down to expose two springs. Squeeze each spring together and pull down again to release springs from motor plate slots.

-- D-Housing fan only --

3.Remove blower assembly from existing fan.

motor plate

side of housing

tab

Unplug motor cord from receptacle. Find the single tab on the motor plate. Push up on motor plate near tab while push- ing out on side of housing. Or insert a straight-blade screw- driver into slot in housing next to tab and twist screwdriver.

When motor plate tab disengages from housing slot, pivot blower assembly down and out.

Page 

-- 690 series fan only --

3. Remove blower assembly from existing fan.

screw

side of
housing	motor plate

Unplug motor cord from receptacle and remove screw located next to receptacle. If necessary, insert a straight-blade screw- driver between motor plate and side of housing near the screw location and gently pry housing away from motor plate.

Pivot blower assembly down and out.

4. Check existing housing.

Vacuum the interior of the existing fan housing with a dusting brush attachment. Examine the housing to make sure it is securely fastened to the building structure and free of any holes caused by corrosion. The receptacle must be intact. If any damage is found, do not continue installation of this product. Contact a qualified person(s) for repair.

5. Compare old and new motor plates.

One of the two new motor plates is the same size as the motor plate from the existing fan. Use this motor plate in step 6.