Ama Tech AH Series User manual

HVLS Fan Installation Manual
Helicopter Fans AH Series

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CONTENTS
Pre-Installation Checklist.........................................................................................................................2
Important Safety Instruction: Please Read & Save These Instructions...............................3
Specifications & Components...............................................................................................................5
Fan Components........................................................................................................................................6
Tools Required ..........................................................................................................................................10
Product Overview.....................................................................................................................................11
Installation Instructions..........................................................................................................................12
Control Unit Error Signals .....................................................................................................................26
Operating Conditions.............................................................................................................................27
Operating Instructions ...........................................................................................................................28
Warranty & Repair...................................................................................................................................30

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Pre-Installation Checklist
•I have verified the order information and all
components are accounted for.
•I have read this Installation Manual carefully before
operating the unit.
•I have checked the voltage requirement before
using the fan.
•I have verified that the fan will be used in a flat
surface that free from unauthorized objects.
•I am aware with the local safety regulations and
features of the fan.
•I am aware to check the troubleshooting if there is
any problem during installation process.
•I am aware to conctact AMA Tech if there is any
failure during installation process.

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Important Safety Instruction:
Please Read & Save These Instructions
To reduce fire hazard, electric shock or personal injury, please observe the following points:
1. Before repairing or cleaning unit, please turn off the power to the control unit, and lock the repair
cut-off device in order to prevent accidental power-on. If the repair cut-off device cannot be
locked, please fix warning sign on control unit (refer to label).
2. To reduce fire hazard, electric shock or personal injury, brushless large fan must be installed with
control unit (compatible model is marked on package) provided with helicopter fan collectively.
Other components cannot be replaced.
3. During cleaning and repairing of tester, there could be risk of fire, electrical shock or personal
injury! Please turn off fan power before repairing.
4. Please stay alert and use common sense during installation. Do not install fan if fatigued or under
the influence of drug, alcohol or medicine. Any carelessness during installation will cause serious
personal injury.
5. This unit is not suitable for persons (including children) with reduced physical, sensory or mental
capabilities or lack of relevant experience and knowledge, unless they have been given supervision
or instruction concerning use of the appliance in a safe way by those who are responsible for their
safety. Children should be supervised at all times to ensure they will not misuse the unit.
6. If the unit swings unnaturally, please stop operation immediately and contact your dealer or
manufacturer.
7. Only trained and authorized technician(s) should replace the safety suspension system and/or any
installation fixture. Contact your dealer or manufacturer of you are concerned about your unit.
8. All installation procedures must be conducted by trained and authorized technician(s), and in
accordance with local safety construction regulations.

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9. Do not use this unit in conditions where there is exposure to harmful chemicals, salt water, acid
rain or other corrosive elements, excessive humidity, snow, sleet, and/or strong winds.
1. All installations and wire connections must be conducted by qualified personnel in accordance
with national regulations and standards.
2. The unit must allow a space of at least 10 feet (3.05m) from the edge of the fan blades to the
ground.
3. When cutting or drilling holes in the ceiling, do not damage wires or other hidden water and
electrical wiring.
4. Use this unit only in a manner instructed by the manufacturer. If you have any questions, please
contact your dealer or manufacturer.
5. Installation of brushless large fan must be in accordance with requirements specified by this
installation guide and abide by the requirements of National Electrical Code (NEC) and all local
regulations, Finally, guaranteeing compliance is the users’ responsibility. Not abiding by relevant
regulations may cause personal injury or property loss.
6. When the unit is powered on, please be cautioned and use common senses. Please do not connect
fan to unsafe or dangerous power supply. Please do not try to resolve circuit issues by
unauthorized technicians. Please contact your dealer or manufacturer concerning issues about
installation.
7. Any safety equipment that needs to be dismantled or cut during maintenance or component
replacement, must be reassembled and returned to its original position.
8. Please do not bend the fan blades throughout the installation, maintenance, and/or repair
procedures! Do not insert any obstruction that may prevent the unit from operating normally.
9. Some power tools will be required during installation. Please follow the safety regulation for every
tool. Do not use the tools for any purpose other than those specified by the manufacturer.
10. Warranty of brushless large fan does not cover equipment damage caused by improper

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installation.
11. If the unit is to be used in the United States of America, it must be installed in accordance with
the following National Fire Protection Association (NFPA) guidelines:
•The unit must be located in the center of 4 fire sprinklers;
•The vertical distance from the fan to the fire sprinklers should be at least 3 feet (91.4 cm);
•The unit must be integrated with the fire alarm system so that the fan is automatically shut
down when fire sprinklers are activated.
Please Keep This Manual!
Specifications & Components
Fan specifications:
Model
AH-7
AH-6
AH-5
Fan Diameter (M)
7.15
6.15
5.15
Min/Max Speed (RPM)
25/50
25/60
25/75
Load Current (A)
0.5/3.8A
0.46/2.8A
0.43/2.0A
Single Phase Voltage (V)
220
220
220
Max. Affected Are (m2)
1300
1000
700
Wind Volume at Max.
Speed (m3/min)
14900
12400
10900
Noise Level (dB)
<40
<40
<40
Fan Blade
5
5
5
Weight of Fan (kg)
69
60
54

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Fan Components
Do not remove protective packaging on unit before hanging the fan.
If there is more than one unit, please ensure to gather the components for each fan collectively.
The diagrams shown are not to scale. All the boxes are labelled with the contents inside.
There should be FOUR boxes:
Box 1 (Main): Motor*1
Control unit*1
Box 2 (Fan blades): Fan blades*5
Box 3 (Accessories): (Top) Mounting plate*2,
(Top) Lug*1,
(Triangular) Cable-bracing base*2
Light fixture base*1,
Light fixture*1,
Winglet*5
Galvanized hex bolt M12*60 (4 PCS)
Galvanized hex bolt M12*100 (2 PCS)
Galvanized hex socket head cap screw M12*100 (2 PCS)
Galvanized hex socket head cap screw M12*110 (2 PCS)
Nylok galvanized hex bolt M12*60 (10 PCS)
Galvanized spring washer M12 (20 PCS)
Galvanized iron washer M12 (20 PCS)
Galvanized Nyloc nut M12 (10 PCS)
Self-tapping screw 4*20 (10 PCS)
Wire rope clip/clamp (16 PCS)
Turnbuckle (4 PCS),
Fan blade plate*5,
Spring steel*5
Box 4 (Extension rod): Extension rod*1

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Box 1 (Main)
Motor*1
Control Unit*1
Box 2 (Fan blades)
Fan Blade*5
Box 3 (Accessories)- 1 of 2
(Top) 3-Piece Mounting
Plates*2
(Top) Lug*1
(Triangular) Cable-Bracing
Base*2
Water-Proof Cap*1
Winglet*5
Fan Blade Plate*5

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Spring Steel*5
(Top) 2-Piece Mounting
Plates*1 (Optional)
L-Shape Latch*2 (Optional)
Wire Rope Support Fixed
Mount*4 (Optional)
Box 3 (Accessories)- 2 of 2
Hex Bolts: M12*60 (4 PCS)；M12*100 (2PCS)
Hex Socket Head
Cap Screw (M12):
M12*100 (2 PCS)
Head Socket Head Cap
Screw (M12):
M12*110 (2 PCS)
Nylok Hex Bolt:
M12*60 (10 PCS)
Self-Tapping Screw
(M4): M4*20 (10
PCS)
Nyloc Nut M12:
M12 (10 PCS)
Turnbuckle：3/8 (4 PCS)
Wire Rope
Clip/Clamp:
3/16(16PCS)

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Box 4 (Extension rod)
Extension Rod*1
Galvanized Pipes*2 (Optional)
Gross weight：Approx. 90-110kg depending on unit specifications (Inclu.
motor, fan blades, accessories, and extension rod boxes).