Greenheck Fire Ready Hood - GRRS - Manual (Page 6)

6 Fire Ready Hood
Fans
For inline fans and exterior wall fans, fan location and
proper mounting will be required.
If the hood system is configured for front recirculation
discharge or rear discharge and NFPA 101 compliance,
the unit will come equipped with a fan box. If installing
under cabinets, keeping the fan box flush to the
underside of cabinet will guarantee correct spacing.
Otherwise, center and mark the installation area
according to wall mounting bracket prior to hanging.
The following steps will be required.
1. Insert/attach the top portion of the manual pull kit
conduit through the fan box.
Accessories
Location restrictions will apply if the hood system
supplied is provided with any of the optional
accessories:
• ClockBox
• Remote ADA Switches
• Manual Pull Station
2. Attach square duct collar to the bottom of the fan
box with included hardware.
3. Attach the fan box to the mounting bracket with
included 8/32 nuts, then complete the installation on
the manual pull kit conduit and top/bottom unions.
When prepping a space for installation, a 4- 9 ⁄
16
inch
space must be allowed between the top of the mounting
bracket and the bottom of the cabinet for the fan box.
The additional height of the unit should not result in
reduced range clearance. Cabinets should be installed
approximately 5 inches higher to accommodate the
additional size of the NFPA 101 fan box assembly.
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