5
Grease Grabber Triple Play Kitchen Exhaust Pollution Control System
Start-Up
Turn the unit on momentarily and then turn off.
Remove fan drive access cover and verify proper fan
wheel rotation. If rotation is backwards, reverse the
fan motor electrical input leads. After verifying proper
fan wheel rotation, the unit is ready for operation.
Filter Status Indicator
As filter stages 1, 2 and 3 load with smoke and grease
particles, resistance to airflow increases and the
exhaust air volume decreases. Pressure switches
continuously read the resistance across each filter
stage. Each pressure switch is factory preset to
transmit an alarm signal when that stage of filter has
reached its terminal resistance and needs replacing
with new filters. This terminal resistance setting is
based on the filter manufacturers rating. The alarm
signal lights an LED located on the face panel of the
remote Filter Status Indicator Enclosure.
Fire System
This equipment is furnished with factory pre-piped
fire suppression nozzles and fusible link detector
brackets. The brand of the system was specified at
time of order (Amerex or Ansul). Factory installation
is according to the Fire System manufacturers
recommendations. Field connection, tanks, controls,
fusible link detectors, and commissioning is provided
and installed, on site, by others. The AHJ may require
additional protection.
Filter Installation (See Figure #2 on page 7)
All 4 stages of filters are shipped on a separate
skid in the original factory packaging. Do not
remove packaging or install filters until just prior to
commissioning the unit.
Care must be taken to ensure filters are installed in
the proper sequence and proper direction of airflow
for filter stages 1, 2 & 3 (stage 4 carbon panels are not
subject to airflow direction).
Open the access doors. Remove the filter
compression plates at stages 1, 2, 3 & 4. Install
filters and replace all 4 filter compression plates.
Compression plates must be in place to ensure proper
filter sealing integrity. Close and latch access doors.
Operation
NOTE
Prior to starting the fan, remove fan tie down straps.
These are used only to prevent shipping damage.
After removing the tie down straps, the fan should
float freely on the spring isolators. Confirm that the
installation is completed as shown in the Installation
section.
NOTE
Access doors are on lift off hinges and can be easily
removed for more convenient filter servicing.
Filter Stage
Dimensions (inches)
Description
Pre-Filter
(Stage 1)
24 x 24 x 4 thick
MERV 8
Pleated metal frame filter
Bag Filter
(Stage 2)
24 x 24 x 22 deep
MERV 14
Bag filter
Rigid Filter
(Stage 3)
24 x 24 x 12 thick
MERV 16
95% DOP HEPA-type filter
Carbon Panel
(Stage 4)
24 x 24 x 1 thick
Bonded carbon panel
NOTE
Only UL 900, Class 1 filters are approved for use
in this equipment. Substitutions will void the
manufacturer’s warranty and the listing to UL
710. Please refer to the Maintenance section for
information on ordering replacement filters.
IMPORTANT
Replace filters immediately after the Filter Status
Indicator light comes on. Failure to do so may
cause a reduced exhaust air volume allowing
smoke to escape into the kitchen, or may cause
filters to rupture, or both. The terminal resistance
for each stage of filters is factory set at the values
shown below. Altering these settings without first
contacting Greenheck Fan Corp. will void the
manufacturers warranty and void the UL 710 listing.
Filter Stage Resistance Setting
1 1.2 in. wg.
2 1.0 in. wg.
3 1.7 in. wg.
(1 pages)
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