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).

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Tools Required
Mechanical Installation
Electrical Installation
Standard metric wrench set
Phillips-head screwdriver and flat-head
screwdriver
Standard metric screw and socket wrench
set
Wire stripper; 10-14 AWG
Standard metric universal wrench set
Slip joint plier
60 Torque wrench
Multimeter
Phillips-head screwdriver and flat-head
screwdriver
Standard metric universal hex socket head
cap screw
Drilling machine
Hacksaw
Spirit level*2
Tape measure

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Product Overview
Kindly refer to below for the overview picture if you have successfully installed our product
Helicopter Fan (AH Series):
Up View
Side View

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Installation Instructions
After assembly, secure the fan unit with appropriate supports and fixtures. Please ensure that the
installation is in accordance with local safety regulations. All electrical installation must be performed by
a qualified electrician and comply with all local, state, and national regulations.
１.Installation Structure
•H-Beam (Standard Type)
A. Items required:
(Top) Mounting plate*2,
(Top) Lug*1,
Extension rod*1,
Hex bolt M12*60 (4PCS),
Hex bolt M12*100 (2PCS),
Nyloc nut,
Washer,
Spring washer
(Based on site specifications and requirements)
B. Installing Steps
1. Insert extension rod into (top) lug and gently secure with hex socket head cap screw M12*100
(2PCS).
2. Once confirmed installation location, secure (top) lug underneath H-beam. Place one piece of
(top) mounting plate above H-beam, pass hex bolt underneath (top) lug and through (top)
mounting plate, and gently secure washer, spring washer, and Nyloc nut. Repeat the same
procedure on opposite side. Apply anaerobic adhesives on all screws and tighten with 60NM
torque. (See diagram 1) (Elevated operations)
C. Caution
When working in elevated heights, ensure that safety helmet, safety vest, safety cable, and
necessary safety accessories are equipped and approved for elevated operations.

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D. Technical Drawing (Diagram 1)
E. Installation diagram of a completed unit:
⚫Rectangular Hollow Section (Optional)
A. Items required:
(Top) 2-Piece mounting plates*1,
(Top) Lug*1,
Extension rod*1,
Threaded rod (stud) M12 Washer,
Spring washer,
Nyloc nut
(Based on site specifications and requirements)
B. Installing Steps
1. Insert extension rod into (top) lug and gently secure with hex socket head cap screw M12*100

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(2 PCS).
2. Once confirmed installation location, secure (top) lug underneath rectangular hollow section.
Pass threaded rod (stud) M12 under (top) lug through (top) mounting plate, and gently secure
washer, spring washer, and Nyloc nut. Repeat the same procedure on opposite side. Apply
anaerobic adhesives on all screws and tighten with 60NM torque. (See diagram 2) (Elevated
operations)
C. Caution
When working in elevated heights, ensure that safety helmet, safety vest, safety cable, and
necessary safety accessories are equipped and approved for elevated operations.
D. Technical Drawing (Diagram 2)
E. Illustration diagram of a completed unit:

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⚫Concrete Beam (Optional)
A. Items required:
L-shape latch*2,
(Top) Lug*1,
Extension rod*1,
Expansion bolt (Not provided),
Washer,
Spring washer,
Nyloc nut,
Hex bolt
(Based on site specifications and requirements)
B. Installing Steps
1. Insert extension rod into (top) lug and gently secure with hex socket head cap screw M12*100 (2
PCS)
2. Once confirmed the location of L-plate, drill hole and insert expansion bolt 3/8” accordingly. Please
refer to information about expansion bolt.

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3. Place L-shape latch on side of beam and tighten with expansion bolts. Repeat the same procedure
on opposite side. (Ensure that both sides are levelled). Secure (Top) Lug at base of L-shape latch and
tighten with hex bolts. Apply anaerobic adhesives on all screws and tighten with 60NM Torque.
(Elevated operations) (Expansion bolt specification; hole diameter, hole depth)
(Refer to H-beam installation procedure)
C. Caution
When working in elevated heights, ensure that safety helmet, safety vest, safety cable, and
necessary safety accessories are equipped and approved for elevated operations.
D. Technical Drawing (L-shape latch drill hole positions) (Diagram 3) (Unit: mm)

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E. Illustration diagram of a completed unit:
⚫Circular Hollow Section (Optional)
A. Items required:
U-shaped ring*3,
(Top) Lug*1,
Extension rod*1,
Washer,
Spring washer,
Nyloc nut.
(Based on site specifications and requirements)
B. Installing Steps
1. Insert extension rod into (top) lug and gently secure with hex socket head cap screw M12*100
(2 PCS)
2. Once confirmed installation location, secure (Top) lug with circular hollow section. Pass U-
shaped ring through circular hollow section and fasten all screws on extension rod. Apply
anaerobic adhesives on all screws and tighten with 60NM Torque. (Elevated operations).
C. Caution
When working in elevated heights, ensure that safety helmet, safety vest, safety cable, and
necessary safety accessories are equipped and approved for elevated operations.

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D. Technical Drawing
E. Illustration diagram of a completed unit:
２.Installing the Motor: Fan Motor
A. Items required:
Extension rod*1,
(Triangular) Cable-bracing base*1,
Motor*1,
Hex socket head cap screw M12*80 (2 PCS),
M8*16 (4 PCS),
Nut, Washer, Spring washer M12 (2 PCS),
Turnbuckle 3/8 (4 PCS),
Wire rope clip/clamp 3/16 (18 PCS),
Wire rope support fixed mount (Optional; 4 PCS),

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Galvanized Pipe (Optional; 2 PCS),
Stainless steel screw,
M8*30 (Not provided; 12 PCS),
Carabiner (Not provided; 4 PCS),
Expansion bolt and ring (Not provided; 4 SETS)
B. Installing Steps
1. At least two people are required to complete this procedure. Check that the unit is intact and
free of abnormalities. Insert fan into extension rod, and place washers on both (Triangular)
cable-bracing base located on both sides of the fixture. Insert hex socket head cap screw and
tighten nut with 42.14 N/m torque. (Elevated operations). Reference Figure 4-1 and 4-2.
2. Wire rope installation:
•Applicable for H-beam structures (or as appropriate).
Secure wire rope support fixed mount on H-beam (Figure 5-1), ensure that both sides are even
then pass steel pipe through wire rope support fixed mount and lock accordingly (Figure 5-2).
Use wire rope clamps on the cables (Figure 5-3). Pass one end of turnbuckle through (triangular)
cable-bracing base, and the other end through cable ring (Figure 5-4). Use carabiner to clamp
cable onto steel pipe (Figure 5-1), and use spirit level to measure with the extension rod
perpendicular to the ground (Figure 5-5). Adjust and secure safety cable accordingly. Ensure both
(triangular) cable-bracing bases are tightened with nut at 42.14 N/m torque. (Elevated operations).
Repeat same procedure on three other cable installations. Alternatively, when unable to execute
Figure 5-1, please proceed with the following options.
•When the installation structure is rectangular hollow section.
Use wire rope clams on the cables (Figure 5-3). Pass one end of turnbuckle through (triangular)
cable-bracing base, and the other end through cable ring (Figure 5-4). If feasible, wrap the cable
around the crossbeam and secure with wire rope clamps, or fasten the cable on the beam
(structure). Use spirit level to measure with the extension rod perpendicular to the ground (Figure
5-5). Adjust and secure safety cable accordingly. Ensure both (triangular) cable-bracing bases are
lightened with nut at 42.14 N/m Torque. (Elevated operations). Repeat same procedure on three
other cable installations.