GRAND EFFECTS 100 Technical Document
GRAND EFFECTS
Rock Installation
Model 100
OWNER’S MANUAL /
OPERATING AND MAINTENANCE INSTRUCTIONS
This manual should remain with the homeowner or parties responsible for operation.
(Rev B)
For your safety:
If you smell gas:
1. Shut off gas to the appliance
2. Extinguish any open flame
near unit.
3. If odor continues, immediately
call your gas supplier
For your safety:
Do not store or use any gasoline or
other flammable vapors and / or
liquids in the vicinity of this or any
other appliance.
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Table of Contents
Gas and Electrical Requirements Page 3
Installation Page 3
Burner Setup and Adjustment Page 7
Maintenance Page 8
Operation Page 8
Burner Assembly Wiring Diagram Page 10
Control Panel Wiring Diagram Page 11
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1.0 Gas and Electrical requirements:
1.1 Input Voltage: 120 Vac / 60 Hz to Grand Effects Control Panel
1.2 Output Voltage: 24 Vac
1.3 Gas type: Natural Gas Propane
1.4 Gas Pressure: Nominal: 7” wc 11”wc
1.4 Gas flow: 1 Bowl system: 60,000-80,000 btu/hr
2 Bowl system: 120,000-160,000 btu/hr
3 Bowl system: 180,000-240,000 btu/hr
4 Bowl system: 240,000-320,000 btu/hr
Note: Check with your gas supplier to verify gas flows and pressures available at the location
of your installation. In many cases utility companies will install larger meters at no charge to
accommodate larger flows.
2.0 Installation
Warning: This unit is for outdoor use only
2.1 Do not install near any combustibles such as wood structures, fuels, clothing, fabrics
or dry vegetation.
2.2 Install Rock Inserts well out of the way of pedestrian traffic.
2.3 Installation shall be performed by a licensed contractor. All aspects of installation
must conform to local or national codes, or in the absence of codes, with Natural Fuel
Gas Code ANZI Z223.1.
The Control Panel and approved gas valve shall be located where they can be easily
accessible so that the gas can be shut off quickly in case of an emergency.
2.4 Install the Control Panel and gas piping as shown in Fig. 1(Natural Gas) or Fig. 2
(Propane Gas) or Fig.3 (Commercial Installation).
2.5 Note that propane piping is different than natural gas (shown in Fig. 1 and Fig.2).
2.6 The gas piping shall be installed underground between the Control Panel and each
Fire Bowl as shown in Fig. 1. The piping shall be reduced to 1/2” NPT or larger at
each Rock Insert as shown in Fig. 4.
2.7 Low voltage wiring (14 or 16 ga. 24Vac) shall be installed underground between the
Control Panel and each Bowl. Wire per Grand Effects wiring diagram. 120 v source
into Control Panel can come from any 120v source, including pool controller or home
system.
2.8 Maintain good piping practice by keeping pipe length and elbows to a minimum to
eliminate unnecessary pressure drops. Corrugated flex gas lines should not be used.
2.82 On commercial installations, it is recommended to install a keyed switch and kill switch
located in close proximity and in visible sight of feature or features. The keyed and kill
switches are supplied by others.
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Fig. 1 (Natural Gas)
Fig. 2 (Propane Gas)
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Fig. 3 (Commercial Installation)
Fig. 4
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Fig. 5
Installation (continued)
2.9 Install 90° pipe elbow and gas hose at gas connection as shown in Fig. 5
2.10 Connect Gas Hose to Burner Assembly.
2.11 Install wire nuts on wires from Control Panel and Burner Assembly. Be careful to hook
up the “positive” to the “positive” and the “negative” to the “negative”. Wrap wire nuts
with electrical tape or some means to prevent moisture from getting in. Make sure wire
nuts are positioned at bottom of bowl, away from bottom of burner assembly.
2.12 With all gas connections tight, position Burner Assembly so that it sits level in the
Bowl. Rotate as required so that the gas hose rests in a compact position.
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3.0 Burner Setup and Adjustment
3.0 At the Control Panel, turn the manual gas valve to the “Off” position.
3.1 With 120Vac coming into the Control Panel, turn the burner switch “On”.
3.2 At each Burner Assembly, check that the spark electrode is arcing across to the pilot
hood. You should be able to hear and see the electrode spark. If there is no spark,
make sure that the Burner Assembly is receiving 24vac from the Control Panel. Check
that the Main Gas Adjusting Valve is in the full open position. It is located on the
bottom of the Burner Assembly as shown in Fig. 7.
3.3 Reposition Burner Assembly so that it is sitting level in the Bowl.
3.4 At the Control Panel, open the Manual Gas Valve.
3.5 In the Control Panel, turn the Burner switch to the “On” position.
3.6 After all Rock Inserts have been lit, they can now be adjusted for flame size.
Important : At this time the corresponding Fire Bowl should ignite.
If Burner does not light, it may be a result of air in the gas line.
If this happens, carefully purge the air from the gas line.
3.1 Burner Adjustment
Note: Each Burner should have a flame height of approximately
12” –15” from the top of the Burner.
3.1.1 The height of the flame can be adjusted at each Burner by opening or closing the ½”
Gas Valve as shown in Fig. 5.
3.1.2 Each Burner should be adjusted as required so that the flame size at each Bowl is
similar in appearance to each other.
3.1.3 After all Burners have been adjusted, make sure that the Burner Assembly is
repositioned so that it is sitting level in each Bowl.
3.1.4 Install decorative rock or glass on top of the “Burner Support” and Burner Assy. Larger
lava rock is recommended (2”-4” in size). It will work better than smaller rock. Make
sure that all rock is clear of the pilot area and hood area. Pilot Hood area needs to
remain clear of rock for proper ventilation.
3.1.5 Note: Do not use glass with propane installations. (If you use glass, please consult
Grand Effects Glass Install Manual. If you use1/4” pieces of lava it should be treated
as a glass installation).
Important: Both sides of Pilot Hood need to be clear of rock for proper ventilation
and operation. Do not use Fire Glass with propane installations.!!
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4.0 Maintenance
4.1 Periodically clean the Burner Assembly with a wet cloth or cleaning solution to remove
carbon build-up.
4.2 Frequency of the cleaning will depend on usage.
4.3 Periodically inspect the underside of the Burner Assembly for any signs of excessive
temperatures.
4.4 Check that all gas connections are tight.
4.5 The units should be cycled frequently (especially after a rain). The Burner Assembly
will not work in snow and ice conditions. The Burner Assembly should be covered and
protected from snow and ice. The Burner should not be operated in high wind
conditions. High winds can limit the cooling air required for cooling of the Burner
Assembly and cause over heating of the electronics.
Important: The System needs to be turned on/off after a rain to remove any water in
the pilot area.
Note: If any problems are present, consult a licensed heating
Specialist or call Grand Effects.
5.0 Operation
Warning: This unit is for outdoor use only
For your safety:
1. If you smell gas, shut off Gas Valve immediately.
2. Extinguish any open flame.
3. If odor continues, immediately call your gas supplier.
4. Do not store or use gasoline or other flammable vapors and / or liquids in the
vicinity of this appliance.
5. Do not leave flame on while unsupervised.
6. Do not operate in windy or rainy conditions. If this is done, unit will cycle on and off
automatically.
7. Unit should be operated only by a responsible adult.
8. When in use, an open flame is present, therefore, use with extreme care and at
your own risk.
9. Before any inspection of the unit, always turn off power and gas supply at the
Control Panel.
10. If you experience problems with this unit, call Grand Effects or a licensed heating
professional. All work on this unit shall be performed by a licensed heating
professional.
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Caution! Before you turn on the Grand Effects System, make sure that
features are clear of people, animals or any objects that are
combustible.
Operating Instructions:
To turn unit “On”:
1. Open manual gas valve.
2. Turn Burner Switch “On”.
To turn unit “Off”:
1. Turn Burner Switch “Off”.
2. Close manual gas valve.
Note: If Burner fails to light, turn corresponding Burner Switch
in the Control Panel to the “Off” position then to the “On”
position. This will initiate a new trial for ignition.
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