Tornado 2000
User Manual
User Manual and Installation Guide
Thunder
Tornado Moving Light Enclosures
Lighting Enclosures
Featuring MiniDECTM
Control Technology
For all Tempest Thunder models
Tempest Lighting, Inc.
13110 Saticoy Street, Unit C
N. Hollywood, CA 91605, USA
Tel +1 888 649 6743
Fax +1 818 982 5510
[email protected]
manufactured after July 2013
Includes DEC3.3/Goldilocks supplement
for Thunder enclosures with Digital
Enclosure Control
www.tempest.org
In the interest of continuous product improvement, the information in this document is subject to change without
notice. Neither Tempest Lighting, Inc. nor its representatives or agents may be held liable for expense or injury
arising from it.
© Tempest Lighting Inc. All Rights Reserved
Thunder Enclosure User Manual
September, 2013
page 1
Table of Contents
1
Introduction............................................................................. 5
2
Installation ............................................................................... 6
Safety and Warnings ............................................................... 6
Tools and Equipment.............................................................. 6
Planning ................................................................................... 7
Mounting the Thunder Enclosure .......................................... 7
Drainage .................................................................................. 9
Using the Blizzard XYZ Mount .............................................10
3
Wiring.....................................................................................12
Preparation ............................................................................12
Which Type of Controller? ....................................................13
Accessing the MiniDEC Controller .......................................13
MiniDEC AC Wiring................................................................14
4
Mounting the Luminaire .......................................................16
Closing the Enclosure ...........................................................18
5
Operation (MiniDEC) .............................................................19
6
Routine Maintenance ............................................................20
7
Troubleshooting ...................................................................22
8
Limited Warranty ...................................................................23
9
Tempest Product Support ....................................................24
10
Digital Enclosure Control .....................................................25
DEC3.3 Schematic .................................................................26
DEC3.3 Main Functions ........................................................27
Operating Modes ..................................................................28
DEC3.3 Control Parameters .................................................29
Startup Validation .................................................................30
DMX Connections .................................................................30
Remote Device Management (RDM) ....................................31
Control Interface ...................................................................32
Control Display .....................................................................33
Control Interface Operation .................................................33
Control Menu ........................................................................34
RDM Monitoring and Configuration ....................................36
Firmware Upgrade over RDM ...............................................37
Thunder Enclosure User Manual
page 2
CERTIFICATE AND DECLARATION OF CONFORMITY FOR CE MARKING
Tempest Lighting, Inc.
13110 Saticoy Street, Unit C, North Hollywood, CA 91605, USA
t: +1 818 787 8984
f: +1 818 982 5770
e: [email protected]
www.tempestlighting.com
Tempest Lighting, Inc. declares that their:
Thunder Lighting Enclosure Series 6xxx.xxx
complies with the Essential Requirements of the following EU Directives:
Low Voltage Directive 2006/95/EC
Electromagnetic Compatibility Directive 2004/108/EC
Test Report 60065-6600-10
Test Report 61000-6600-12
and further conforms with the following EU Harmonized Standards:
EN 60065 : 2002
EN 60529:2001-2002
EN 61000-6-3:2007+A1:2011
EN61000-6-1:2007
EN55015:2006+A2:2009
Test
Test
Test
Test
Test
Report
Report
Report
Report
Report
60065-6600-10
60529-6600-11
61000-6600-12
61000-6600-12
61000-6600-12
Dated: 1st March 2013
Position of signatory: President
Name of Signatory: Tim Burnham
Signed below:
on behalf of Tempest Lighting, Inc.
Dated: October 26th, 2009
Signature . . . . . . . . . . . . . .
Tempest Lighting Inc
Thunder Enclosure User Manual
page 3
This is to certify that the following products
6600.US Thunder 6600 Enclosure
6610.US Thunder 6610 Enclosure, DEC3 Control
6650.US Thunder 6650 Scan Enclosure
6660.US Thunder 6660 Scan Enclosure, DEC3 Control
6700.US Thunder 6700 Enclosure
6710.US Thunder 6710 Enclosure, DEC3 Control
6750.US Thunder 6750 Scan Enclosure
6760.US Thunder 6760 Scan Enclosure, DEC3 Control
6800.US Thunder 6800 Enclosure
6810.US Thunder 6810 Enclosure, DEC3 Control
6850.US Thunder 6850 Scan Enclosure
6860.US Thunder 6860 Scan Enclosure, DEC 3 Control
Have been tested and approved to standards UL 508 (electrical) and UL 50 (environmental), as
NEMA 3R enclosures, for use in the United States and Canada.
This declaration is made by the manufacturer
Tempest Lighting, Inc.
13110 Saticoy Street, Unit C
North Hollywood, CA 91605, USA
This declaration is based on tests that were conducted on the submitted samples of the above
mentioned products.
Listing Report No. 3198609LAX-001a refers.
Dated: December 12th, 2010
Signature . . . . . . . . . . . . . .
Tempest Lighting Inc
Tempest Lighting, Inc.,
13110 Saticoy Street, North Hollywood, CA 91605, USA
www.tempestlighting.com [email protected]
t: +1 818 787 8984
f: +1 818 982 5582
Thunder Enclosure User Manual
page 4
1 Introduction
Thank you for purchasing the Thunder enclosure. It will serve you for many years, protecting your
stage spotlights and effects projectors from the elements.
Products Covered By this Manual
6660
Thunder, Martin Atomic Strobe, all versions
6690
Thunder, Rosco X-Effect, all versions
6600
Thunder, all versions
6650
Thunder Scan
6700
Thunder Stretch, all versions
6750
Thunder Scan Stretch
6800
Thunder X-Stretch, all versions
6850
Thunder Scan X-Stretch
All Custom Thunder enclosures
This manual covers all versions of the products shown here, manufactured after the date of
publication.
Using This Manual
Please read this manual in its entirety before starting work. All the information contained is
important, and should be read carefully before proceeding. Heed all warnings and advisories.
Icon Key:
 Valuable information
Electrical Warning
 Safety Information
Thunder Enclosure User Manual
page 5
2 Installation
Safety and Warnings
These warnings are for your protection. Failure to comply may result in serious injury or death.
Tempest Lighting, Inc. assumes no responsibility for damages or injury incurred by misuse or
mishandling of product.

Do not attempt to install or operate the enclosure before fully reading and understanding this
manual

Never allow anyone who has not read this manual to open the enclosure or perform
maintenance on the equipment within.

Never leave the enclosure unattended when open.

Always make sure all bolts and latches are tight and safety locks are in place after performing
any form of maintenance on the unit.
 Do not open any electrical boxes until power has been shut off to all supply lines to the
enclosure (including the one powering the equipment).
 Do not open the enclosure in wet weather.
Tools and Equipment
To install the enclosure, you will need the following items:

Crescent wrench

Phillips screwdriver

Terminal screwdriver

Proper wiring installation equipment (for line power and signal wiring)

Any equipment listed in the equipment manufacturer’s equipment-specific installation
directions
Thunder Enclosure User Manual
page 6
Planning

Snow clearance:
MINIMUM
24”/60cm

Allow at least 24”/60cm clearance behind enclosure for access and ventilation.
24”/60cm

Enclosures with MiniDEC Control should be powered during daylight hours.

Enclosures with Digital Enclosure Control MUST be powered 24/7/365.

Warning: In most cases this installation cannot be safely completed by 1 person.
Mounting the Thunder Enclosure

The Thunder enclosure must be mounted on or under a solid structure rated for the weight of
the enclosure, the equipment inside it, and at least one person.

Snow – if installed outside in cold regions, the bottom of the Thunder enclosure must be at
least 2’ (60cm) above maximum height of any snowfall or drifting snow, subject to local
conditions. If snow is not a consideration, then enclosure may sit on the ground as long as
proper drainage is provided.

LEAVE ADEQUATE CLEARANCE BEHIND ENCLOSURE FOR WIRING AND VENTILATION

Tempest Lighting recommends the use of stainless steel mounting hardware.
The Thunder enclosure is provided with a pair of Unistrut channels on the enclosure base, for
mounting to your structure. You may use standard Unistrut accessories, or purchase either of the
mounting kits available from Tempest Lighting – four kits are recommended per enclosure.
Thunder Enclosure User Manual
page 7
Mounting Kits
4900.MB Stainless Steel Unistrut channel nut, bolt and
4900.MC Stainless Steel Unistrut channel nut, bolt and
washer. Four required per enclosure.
pipe clamp, for pipes 1.5” (38mm) to 2” (50mm) OD.
Four required per enclosure.
4925.MC Stainless Steel Unistrut channel nut, bolt and
pipe clamp, for pipes 2” (50mm) to 2.5” (64mm) OD.
Four required per enclosure.
Mounting on a Pipe or Truss
Use two clamps to mount to a pipe, or to mount from a truss at an angle.
Use four clamps to mount parallel to a truss.
Thunder Enclosure User Manual
page 8
Mounting Base-down and Base-up
All Thunder enclosures are designed to be mounted base-down, on a solid structure, using Unistrut
mounting hardware. They may also be suspended from an overhang, ceiling or truss, using the
same hardware.
Outlet
Vent
Inlet
Vent
Thunder mounted Base-up –
in this case the inlet and
outlet vents are flipped
vertically, to prevent
rainwater ingress
Thunder
mounted Basedown – note the
orientation of
the inlet and
outlet vents
Inlet
Vent
Outlet
Vent
It is the responsibility of the installer to ensure that all mounting points are secure and conform to local
safety regulations. Tempest Lighting Inc. accepts no responsibility for damage or injury arising from
inappropriate or unsafe installation.
Drainage
Drainage holes are provided in the top and bottom of the enclosure. The holes in the cover (top) are
plugged with 10-32 screws and sealing washers.
Important – Drainage in base-up installations:

Enclosure shown
is a Blizzard
projector
enclosure



1
Remove the drainage plug screws from the cover
2
Replace in the corresponding holes in the base
Thunder Enclosure User Manual
page 9
Blizzard XYZ Mount
All Blizzard and Thunder enclosures may be mounted using the adjustable Blizzard XYZ mount (part
# 6500.XYZ). The XYZ Mount is designed to mount on the bottom of a piece of 1½” schedule 40
pipe (48-50mm Outside Dimension).
Tighten this knob to
lock horizontal
(pan) movement
Tighten these screws to raise this
side (roll), or loosen to lower it.
Then…
Tighten the locknuts up under the
yoke to lock the roll position.
YOKE
SAFETY
COLLAR
The Safety Collar
MUST be bolted
through the bottom
of the pole, below
the yoke
This bolt should be
just tight enough so
the projector can
tilt with a little
hand pressure.
Tighten this knob
both sides to lock
tilt movement
Friction Pad
ensures a tight grip
when locked down
CRADLE
Spring nuts lock
into Unistrut rails
on Blizzard base
IMPORTANT
Drill a 3/8”/10mm hole through the bottom
of your vertical pole, and use this bolt and
locknut to fix the safety collar in place
Part #: 6500.XYZ
Adjustment Range:
Vertical: +60° to -90°
Horizontal: 360°
Roll: ± 10°
Continued/…
Thunder Enclosure User Manual
page 10
Important

Installation must conform to all local safety norms and building codes. Tempest
Lighting, Inc will accept no responsibility for incorrect or unsafe installation.

Installer must drill the bottom of the pole and install the safety bolt provided

The vertical pole must be securely mounted and braced to prevent movement
Thunder Enclosure User Manual
page 11
3 Wiring
Electrical Preparation
 All electrical work must be carried out by a properly licensed electrician. Failure to
observe this point will void the factory warranty for the Tempest Enclosure and possibly
the equipment housed inside.
1
Before starting work, switch off power to the branch circuit, carefully following lockout and
tag-out procedures. Failure to do so could cause serious injury or death.
2
Two electrical junction boxes will be required within a short distance of the Thunder
enclosure for:

AC supply wiring

DMX control wiring
Your Thunder enclosure is supplied fitted with two cable entry points, for Power and DMX
signal cables.
The cable entries are suitable for use with standard conduit fittings. US size ½”, international
20mm. Tempest recommends the use of flexible, outdoor-rated conduit for the last few feet
(1m) to the enclosure.
All junction boxes must be installed in accordance with local electrical codes and should be
located near the permanent installation of the enclosure. Each junction box requires a length
of flexible conduit, long enough to reach from the junction box to the enclosure conduit
fittings. Leave slack for positioning of enclosure, and enough space behind the enclosure for
ventilation.
The AC supply must be protected by a fuse or circuit breaker of a rating suitable for the
equipment.
Thunder Enclosure Power Requirement:
Standard Thunder enclosures with MiniDEC control
Thunder enclosures with DEC3 control option
20W
520W
The user may connect the fan and the equipment to the same switched supply, or run them
separately, according to need (see below).
Note that for temporary in stallation, the conduit fittings may be replaced with outdoor-rated
cable entry glands, at the user’s discretion.
Thunder Enclosure User Manual
page 12
Which type of controller do you have?
If you have the DEC3 control option, there will be a panel
Heater
Fan
On
Relay
Temp
DMX
on the back of your enclosure like this.
Turn to the DEC3 Appendix (Section 10) at the back of
Lamp
this manual for wiring and operation instructions.
If you do NOT have the DEC3 display, your enclosure is
ESC
OK
equipped with a MiniDEC controller. Please use the
following instructions.
If you do NOT see a panel like this, your Thunder
enclosure has a MiniDEC controller like this.
Please continue with the instructions below.
Accessing the MiniDEC Controller
Remove the enclosure cover.
Remove the MiniDEC cover under the fan. You will see the MiniDEC circuit board on the inside of
the MiniDEC cover.
Bring your AC supply to the conduit entry under the MiniDEC cover.
Note: use the conduit entry point outside the electrical cover for DMX wiring.
Thunder Enclosure User Manual
page 13
Connect AC Wiring to MiniDEC Controller
Single Feed Operation
Split Feed Operation
NEUTRAL
CUT LINK 2
PLACES FOR
SPLIT FEED
OPERATION
GROUND
LIVE (Light and Fan)
Single Feed Wiring
NEUTRAL
GROUND
LIVE (Fan)
LIVE (Light)
Feed the controller with a single maintained supply. The light must be switched off when needed using the lighting
control system.
Thunder ships configured for single feed wiring operation.
DO NOT CONNECT SINGLE FEED WIRING TO THE OUTPUT OF A DIMMER.
Dual Feed Wiring
You may switch off the supply to the light without interfering with the cooling fan operation. Connect feeder wires
as shown, AND CUT THE COPPER LINK ON THE MiniDEC BOARD IN TWO PLACES, AS SHOWN. Fan circuit should
be maintained 24/7.
Thunder Enclosure User Manual
page 14
MiniDEC Operation
The MiniDEC controller monitors current going to the light fixture inside the Thunder enclosure, and also heat
inside the enclosure. When it detects that the light is on and/or the internal temperature is getting warm, MiniDEC
runs the enclosure fan. For best results, enclosures must be connected to live power at all times.
DMX Wiring
A separate conduit entry is provided for DMX wiring. Pull DMX cables into enclosure and terminate,
following instructions provided by the luminaire manufacturer.
Thunder Enclosure User Manual
page 15
4 Mounting the Luminaire

If the Thunder enclosure is suspended from a ceiling or overhang, this must be
done by two people.
1.
Place the equipment on the equipment tray. If hanging the equipment upside-down, one person
must hold the equipment in position, while another person secures it in place. Ensure that the
equipment is securely held before proceeding further.
2.
For most theatrical lights, adjust the yoke to the shortest available setting before installing in the
enclosure, as shown here.
3.
Move the Unistrut Channel nut into position, to line up with the fixture yoke.
4.
Bolt through the yoke into the channel nut and tighten firmly in place, using the hardware provided.
Thunder Enclosure User Manual
page 16
NOTE: Mounting the Atomic Strobe in the 6660 Enclosure
The Atomic Strobe enclosure has its window on the SIDE of the enclosure, and the strobe faces
sideways, mounted on two M12 spring-bolts provided.
Adjust the position of the spring bolts in the Unistrut to correspond with two of the mounting holes in
the Atomic Strobe yoke.
5. Connect Luminaire power and DMX
Connect the DMX IN and OUT luminaire connections as specified by the luminaire manufacturer
Connect the luminaire power cable to the IEC outlet provided on the
MiniDEC controller. If necessary, shorten the length of the luminaire
power cord and install the rewireable IEC plug provided with your
Thunder enclosure.
Test all luminaire functions.
Replace MiniDEC Cover.
Replace enclosure cover and secure all latched tightly.
Thunder Enclosure User Manual
page 17
Closing the Thunder Enclosure
The latch tension is
adjusted by turning the
screw – clockwise to
tension, anti-clockwise to
loosen.
Thunder Enclosure User Manual

Insert a padlock in
one or more
security rings for
additional security.
page 18
5 Operation
While there are no specific operational actions required for normal use, the following points should be kept in mind.

The enclosure should be connected to a live circuit at all times except when maintenance is being carried
out.

Unless the enclosure or equipment is undergoing routine maintenance, the enclosure should be closed and
securely latched at all times.

Only authorized personnel should open the enclosure (see maintenance warnings in the next chapter).
Thunder Enclosure User Manual
page 19
6 Routine Maintenance
It is very important to perform routine maintenance on both the enclosure and the equipment
inside it. Failure to do so may reduce lifetime for both the enclosure and the equipment.
Note
Maintenance schedules depend on location and environment. The intervals given here are
general minimum guidelines. It is up to the user to judge whether maintenance should be carried
out more frequently. We recommend doing these tasks no less often than mentioned here.
Safety

As the enclosure is a powered unit with moving parts, it is necessary to keep safety in mind while
performing routine maintenance. Although maintenance can be performed while the enclosure is
powered, it is safer to carry it out with the power disconnected with proper lockout and tag out
procedures followed.

Be aware that once the enclosure has had power applied to it, the fan will start to turn. Make
sure that your hands are clear of the fan before applying power to the enclosure.

Only authorized personnel should perform maintenance on the enclosure or equipment

Do not service the unit in the rain or other adverse weather conditions (snow, sleet, high winds,
etc.).
Inspection Checklist: - Every Three (3) Months

Glass should be clean and free of cracks

Enclosure should be free of debris both inside and out

Bolts and tie-down straps should be tight

Rubber seals should be in good condition. Check seals inside and out for gaps.

Fan hould be functioning and not making excessive noise

Filters should be clean
Air Filter - Every Three (3) Months
The air filter should be removed and cleaned on a regular basis. To remove filter, pull pull it
directly out of the intake vent. The filter can be cleaned by running water from a hose and do not
require any special solution.
To reinstall, carefully push filter back into the cowl molding.
Thunder Enclosure User Manual
page 20
Case - As Needed
The outside of the case should be cleaned as needed. The case should be cleaned with a wet
cloth and mild detergent (if necessary). Do not use a direct spray from a hose to clean the case.
Equipment
Review the manufacturer's instructions for proper maintenance of your Luminaire. Remember,
the enclosure simply protects the equipment inside it and is not a substitute for regular
maintenance.
Thunder Enclosure User Manual
page 21
7 Troubleshooting
This is a guide to the general symptoms, problems, and solutions that may occur during the
usage of your enclosure. However, it is important to remember that problems may occur within
the equipment itself and these must also be considered.
Equipment does not have power.
Check power supply wiring and voltage.
Fan is not spinning
Fan cords may have become disconnected. Check connections between fan and cord.
Fan may be obstructed. Shut off power to enclosure and check for obstructions. Turn power back
on to see if fan will start spinning. If fan does not turn then enclosure is not receiving power.
Turn off all power and check wiring. If the wiring is correct, contact technical support.
Equipment does not have power.
Check equipment power switch. If switch is on, check wiring and supply switch/circuit breaker.
Equipment turns on and off repeatedly over short span of time.
Check that vent areas and airways are clear. If so, ambient temperature may be too high, or
equipment may have internal problem.
Excessive water in enclosure.
Seal leak. Repair with silicone sealant, or replace seal.
Thunder Enclosure User Manual
page 22
8 Limited Warranty
INSPECTION/WARRANTY/RETURNS.
A. Customer, at its sole expense, shall inspect all Goods promptly upon receipt and accept all Goods that conform
to the specifications or catalog. All claims for any alleged defect in or failure of the Goods or Seller's performance to
conform to the Contract, capable of discovery upon reasonable inspection, must be set forth in a written rejection
notice detailing the alleged non-conformity, and be received by Seller within thirty (30) calendar days of Customer's
receipt of the Goods. Failure by Customer to notify Seller of the alleged non-conformity within thirty (30) days will
be conclusive proof that the Goods have been received by Customer without defects or damage, and in the
quantities specified on the bill of lading and shall constitute an irrevocable acceptance of the Goods and a waiver of
any such claim in connection with the Goods.
B. Seller warrants to Customer only that the Goods will be free from defects in material and workmanship at the
time of delivery and, subject to the exceptions and conditions set forth below, for the following period (the
"Warranty Period"): twelve (12) months from the date of shipment by Seller. Seller may provide additional years of
warranty coverage beyond 12 month, at the rate of 2.5% of the net sale price per year, up to a total of four
additional years’ coverage beyond the standard 12 month warranty period. Seller will remedy a defect as set forth in
paragraph 7 D, below, (the "Warranty"). The Warranty is subject to each of the following exceptions and conditions:
1. Customer must promptly (and in all events within the Warranty Period) notify Seller of any alleged defect in a
written notice (the "Notice") which shall set forth the quantity, catalog number, finish, original purchase order
number, Seller's invoice number on which Goods were originally billed and a statement of the alleged defect, along
with digital photographs showing such defects where feasible.
2. The Warranty shall not apply: (i) to any claimed defect that was capable of discovery upon reasonable inspection
and deemed to be waived under paragraph A, above; (ii) to any Goods that have been subject to misuse, abnormal
service or handling, or altered or modified in design or construction; (iii) to any Goods repaired or serviced by any
person other than Seller's authorized service personnel or to Goods installed other than according to installation
instructions, or (iv) with respect to normal wear and tear.
3. Seller makes no Warranty with respect to parts or components that are not the product of Seller, and specifically
makes no warranty whatsoever for equipment housed inside enclosure products manufactured by Seller.
4. The Warranty is Seller's exclusive warranty with respect to the Goods. Seller makes no warranties, guarantees or
representations, express or implied, to Customer except as set forth in this section. ALL OTHER WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION ANY IMPLIED WARRANTY OF MERCHANTABILITY OR OF
FITNESS FOR USE OR FOR A PARTICULAR PURPOSE, ARE HEREBY EXCLUDED AND DISCLAIMED.
C. Seller will accept the return of Goods properly rejected under paragraph A, above, or as to which Notice of an
alleged breach of Warranty has been timely given and such Goods may be returned to Seller, freight prepaid, but
only upon Customer's receipt of Seller's written return material authorization ("RMA") and shipping instructions. The
RMA shall be void if the Goods are not received within 45 days after issuance of the RMA. No deduction or credit in
respect of any rejected or returned Goods shall be taken until Customer has received Seller's further written
deduction or credit/authorization following Seller's inspection to confirm nonconformity or defect. Seller will charge
to Customer any and all costs incurred by Seller in connection with the handling, shipping, inspection and
disposition of any returned Goods that are determined by Seller not to have been nonconforming upon Delivery or
as to which the warranty hereunder is not applicable.
D. UPON ANY PROPER RETURN PURSUANT TO PARAGRAPH C, ABOVE, WHETHER IN CONNECTION WITH A REJECTION
OF GOODS OR AN ALLEGED BREACH OF WARRANTY AND BASED UPON THE CONDITIONS SET FORTH IN THIS
PARAGRAPH 7, SELLER AGREES THAT IT WILL, AS THE SOLE AND EXCLUSIVE REMEDY UNDER THE CONTRACT OR
OTHERWISE, FOR ANY NONCONFORMITY OR BREACH OF WARRANTY, AND AT SELLER'S SOLE ELECTION: (i) REPAIR
SUCH GOODS; OR (ii) REPLACE SUCH GOODS.
Thunder Enclosure User Manual
page 23
9 Tempest Product Support.
Step 1:
First contact your local Dealer for support. Your dealer is best placed to respond
quickly to your needs.
Step 2:
If your dealer is unable to answer your questions please contact our Sales Office:
Tempest Lighting, Inc.
13110 Saticoy Street, Unit C
North Hollywood, CA 91605, USA
Tel
+1 818 787 8984
Fax
+1 818 982 5582
[email protected]
Visit our web site for current information and specifications:
www.tempestlighting.com
Thunder Enclosure User Manual
page 24
10 Digital Enclosure Control
DEC3.3TM with GoldilocksTM
Heater
Fan
On
Relay
Temp
DMX
Lamp
ESC
OK
DEC3.3TM – that’s Digital Enclosure Control, third Generation, revision 3 – is the brain of your
Tempest enclosure. It will maintain the internal environment in a comfortable temperature and
humidity range, and prevent condensation – the real killer of outdoor equipment. DEC3.3
monitors internal temperature, humidity and lamp current at all times, and uses this information
to control the enclosure’s lamp relay, fan(s) and heater(s). It can report back over the DMX cable,
using the RDM protocol (Remote Device Management) if desired.
From summer 2013 DEC is running Tempest’s new GoldilocksTM operating system (patents
pending). A completely new OS, Goldilocks analyzes temperature and humidity trends, targeting
and maintaining safe ranges, and acting to prevent condensation before it happens. Goldilocks is
also much more energy-efficient than previous generations, so your equipment is always in the
Goldilocks zone, and you save money too.
Thunder Enclosure User Manual
page 25
DEC3.3 Schematic
Optional independent
SPLIT AC Luminaire Supply
MAIN AC Supply
Cut links on
board for split
feed operation

SENSOR
AC HEATER(S)
AC FAN(S)
OUT
IN
OUT
IN
DMX/RDM – RS485
Thunder Enclosure User Manual
page 26
DEC3.3 Main Functions
1
Sense current to luminaire (lamp on/off)
2
Record lamp hours
3
Monitor temperature and humidity inside Enclosure
4
Maintain temperature at safe operating level
5
Maintain relative humidity within safe limits
6
Prevent condensation
7
Isolate luminaire in case of unsafe temperature
8
Report status over RDM
9
(Optional) remote luminaire relay control over DMX
DEC3.3 constantly monitors the following parameters:

Luminaire/Luminaire power

Line Voltage

Temperature

Humidity
DEC 3.3’s patented GoldilocksTM algorithm uses a combination of heaters and fans to maintain a
safe operating temperature and a safe relative humidity level that will not allow condensation to
take place.
As air is heated it is able to support more moisture without condensing, so Goldilocks uses heat
to raise the air temperature inside the enclosure in the event that relative humidity approaches
dewpoint.
Factory Settings – Basic Mode
In most applications, DEC3.3 will operate correctly with its factory default settings, in Basic
operating mode.
You do not need to do anything. Please skip to the Power Connections section below.
If your needs are more complex, read on.
Thunder Enclosure User Manual
page 27
Operating Modes
DEC3.3 may operate in one of four modes, set using either the Front Panel or by RDM control. In
all configurations, the luminaire inside the enclosure may also be an RDM enabled device.
Basic Mode (factory setting)

Standard temperature settings

DMX and RDM disabled

Best for standalone operation
Monitor Mode

As Basic mode, plus:

RDM status reporting

RDM configuration – settings may be changed remotely or at the enclosure control
panel

DEC3.3 does not require a DMX signal to operate
Control Mode

As Basic mode, plus:

Enclosure functions as a 1-channel DMX device, with remote control of the lamp relay
o
DMX level > 75% enables normal relay operation (normally ON)
o
DMX level < 25% disables normal relay operation (relay turns OFF)
o
This allows you to force a hard reset of the lamp relay in the event of a
luminaire malfunction

Control mode is recommended for show control applications, but can be risky in live
show operation, since the DMX slot used for the enclosure MUST be kept high to
prevent the lamp relay from opening.
Service Mode

For trained service personnel only

Normal operation is suspended and the enclosure functions as a 3-channel DMX
device:

o
Lamp Relay (Slot 1)
o
Fans
(Slot 2)
o
Heater
(Slot 3)
Service mode is ONLY for troubleshooting – DO NOT use Service mode for normal
operation.
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page 28
DEC3.3 Control Parameters
Temperature and Humidity Ranges:
Cooling Fan(s)
Trip Temp
(55-70˚C, Default 60 ˚C)
Low
Upper Temp
(35-50˚C, Default 40 ˚C)
Relative Humidity
(50-90%,
Default 80%)
Trend Temp
(Dynamic)
IdealTemp (Dynamic, based
on Relative Humidity)
High
Heater(s)
LowerTemp
(0-10˚C, Default 0 ˚C)
Notes:
1
In moving light enclosures the temperature sensor is located in the exhaust
airflow. Temperatures shown may be higher than those around the luminaire.
2
We recommend using the factory default settings for several weeks or months
before making any changes. In most cases they will not be necessary.
Max Humidity Range 50-90%, Default 80%
The threshold at which air inside the enclosure is heated to raise dewpoint and
prevent condensation. Setting a higher Max Humidity is not a bad thing in highhumidity climates. Setting the Max Humidity too low will result in unnecessary
heating and excessive energy use. So set the Max Humidity at the top end of the
relative humidity likely to be experienced on site.
DMX Address
Range 001-510, Default 001
Sets the DMX address for the lamp relay control. (See also DMX Response)
Set Temp Units Display Degrees Celsius or Fahrenheit. Default Celsius
Note that temperature settings must always be Celsius.
Lamp Hours
Default 0000
Counts lamp hours – you must reset to zero when changing lamps.
Lamp On Point The lamp current at which DEC detects the luminaire/luminaire lamp is running.
Default is 1 Amp, which allows for equipment fans and power supplies to run
Thunder Enclosure User Manual
page 29
without changing the air in the enclosure.
Lamp on point may be set in 0.2
Amp increments between 0.2 Amps and 2.0 Amps.
Start-up Validation
When you switch power ON to the DEC3.3 controller (firmware 01.00.006 and up), the following
indications will confirm that the major system elements are working correctly:

BEEP! – a loud beep indicates that the processor has initialized and is functioning
correctly.

FANS – fans run for three seconds

HEATER – the heater turns on for 15 seconds. This is enough to get warm to the touch.
DMX Connections
DMX refers to USITT DMX512, a commonly used control protocol in the entertainment industry,
running over RS485. Consult USITT DMX installation guidelines when laying out a system, or
employ a qualified DMX system integrator.
A DMX network will be required if:
a)
The luminaire inside the enclosure requires a DMX control signal
b)
You wish to monitor the enclosure using RDM
c)
You wish to control the enclosure lamp relay over DMX
DMX Terminations
Note: DMX will not normally be used in
luminaire installations.
❹ ❸
❶
❷
DMX OUT to
next DMX device
Pinout: (1) Ground, (2) Data -, (3) Data +.
DMX Connectors:
DMX IN from
outside world
1
DMX IN from network
2
DMX OUT to luminaire (or to network
if not controlling luminaire)
3
DMX IN from luminaire
4
DMX OUT to network
Note: If the enclosed equipment does not
use DMX, then connector (2) on the
controller is DMX OUT for the enclosure.
DMX Line Terminations
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page 30
DMX cable runs must be terminated at the far end of the cable run with a termination resistor as
detailed in the DMX512 standard.
The individual equipment installed inside the
Tempest enclosures must NOT be terminated.
+ ‒ G
DMX OUT
+ ‒ G
DMX IN
LIGHT
OUT
+ ‒ G
DMX OUT
OUT
LIGHT
+ ‒ G
DMX IN
It is recommended that any line termination is
done using the 3-pin terminal connector fitted
to the DEC3.3 control circuit board.
Remote Device Management (RDM)
RDM refers to ANSI E1.20, a control protocol in the entertainment industry used for device
configuration and monitoring, and essentially an “extension” of DMX512. The use of RDM is
optional, and uses the same RS485 cable connection as DMX512, so no additional wiring is
required if DMX is already present. The user must ensure that any DMX splitters or other routing
devices used are RDM operable as well as DMX use. Tempest strongly recommends working with a
qualified RDM system integrator when designing an RDM network. Go to www.tempest.org for
contact information.
RDM and RDM Integration
DEC3.3’s RDM implementation allows system integrators to remotely configure, control or monitor
DEC3.3 attributes, including:

Relative Humidity

Air Temperature

PCB Temperature

Lamp Current

Elapsed Lamp Hours

Lamp Relay Status

Fan Relay Status

Heater Relay Status

DMX Status

DMX Start Address

DMX Personality (RDM Mode)

Device Type

Device Label

Software Version
Thunder Enclosure User Manual
RDM is an effective and powerful
tool for commissioning and
monitoring an installation,
particularly in large systems. For
further guidance, please consult a
qualified RDM system integrator.
Tempest Lighting warrants DEC3.3
to be compliant with the RDM
standard, but is not an RDM
systems integrator, and can offer
only basic guidance on RDM
utilization.
page 31
Control Interface
LED Indicators
Heater
ON (Green)
Heater is ON, to maintain lower temperature level or to
prevent condensation
Fan
ON (Green)
Lamp is ON, or Temperature is HIGH and
Fan is cooling enclosure. Short burst when lamp off
indicates fan moving air to stabilize temp/humidity
Lamp On
ON (Green)
Current sensing shows lamp is ON
Lamp hour counter is running
OFF
Current sensing shows lamp is OFF
Lamp hour counter is not running
Lamp Relay
ON (Green)
Lamp relay is closed (normal)
Luminaire power receptacle is energized
ON (Red)
Lamp relay is open due to over-temperature event.
Luminaire power receptacle is isolated.
Temp
FLASHING (Green)
Temperature is below lower temp setting
ON (Green)
Temperature is in normal range
ON (Amber)
Humidity is above target limit
ON (Red)
Temperature is above top setting
FLASHING (Red)
Temperature is above Trip level
Luminaire power is isolated
DMX
OFF
DEC3.3 is in BASIC Mode – DMX not used. OR DEC3.3
is in Monitor or Control Mode and no valid DMX or
RDM packet has been detected.
ON (GREEN)
Good DMX or RDM data packet received.
ON (RED)
Control Mode: DMX Fail. A previously good DMX signal
has failed.
Monitor Mode: No RDM information being received
(this is normal)
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Control Display
The display on the Control display provides additional status information, depending on the
operating mode:
Basic Mode &
28˚C
47%
internal temperature, relative humidity
Monitor Mode
209V
OFF
line voltage, lamp status
DMX Mode &
28˚C
47%
internal temperature, relative humidity
Service Mode
209V
OFF
line voltage, lamp status
Alternating with:
DMX:
001
No DMX
DMX Start Address
DMX Status
Control Interface Operation
The Control Interface is normally LOCKED.
To UNLOCK, hold ESC and OK together for 5 seconds.
You are now in the CONTROL MENU
Use   to scroll up and down the menu.
Press OK to enter a menu item
Use   to set the item parameter, or to scroll to the next menu level.
Use ESC to go BACK, and OK to confirm settings (  ).
To LOCK, hold ESC for 5 seconds.
Menu will time out after ten minutes.
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Control Menu
SET DMX OPTIONS
SET DMX MODE
From the Front Panel, this menu item allows the user to check (and if necessary
change) the RDM mode.
BASIC
Standalone operation, no DMX/RDM (factory default)
MONITOR
Standalone, plus support for RDM remote configuration and
monitoring
CONTROL
Monitor, plus use of a single DMX slot to control Lamp relay
SERVICE
Monitor, plus use of three DMX slots to control Lamp, Heater and
Fan
Important: Please ensure that the DEC3.3 is NOT left in Service Mode.
SET DMX ADDRESS (in Monitor, Control or Service modes)
Select a DMX starting address in the range 001 to 510
1 – Lamp Relay
In Service Mode an addition two slots are available
2 – Fan Duty Control
3 – Heater Duty Control
Note that the DMX control is designed using a SAFETY pile-on Logic. So the DMX
input can only override automatic settings within safe limits.
SET DMX CURVE
DMX Curves affect the way the fixture relay is controlled in Control Mode.
DMX levels are shown as %.
Response Curve 1 (default)
DMX level 0-25 Relay disabled (open)
DMX level 26-75 No change to relay status
DMX level 76-100 Relay enabled (normally closed)
Response Curve 2
DMX level 0-19 No change to relay status
DMX level 20-40 Relay disabled (open)
DMX level 41-59 No change to relay status
DMX level 60-80 Relay enabled (normally closed)
DMX level 81-100 No change to relay status
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page 34
SET DMX RESPONSE
DMX Response sets a delay time before DMX Control Mode settings are acted on.
Setting a response delay of a few seconds would prevent unintended fixture relay
state changes in the event of a short accidental change in DMX level.
NOTE: from firmware revision 0.00.100, DEC holds last valid DMX level if DMX is
interrupted.
Response Delay Values are:
No Delay (default), 1, 2, 5, 10, 15, 20, 30, 60 seconds.
SET TEMP UNITS
Choose to display temperature values in Celsius or Fahrenheit (default Celsius)
Note that temperature settings must be entered in Celsius.
SET TEMP RANGES
Set three temperature trigger points for Bottom, Top and Trip temperatures, in °C.
SET TEMP LOWER (minimum temperature to be maintained)
(default 0°C, permissible range 0-10°C).
SET TEMP UPPER (maximum desired temperature)
(default 40°C, permissible range 35-50°C).
SET TEMP TRIP (temperature at which load will be isolated – see note)
(default 60°C, permissible range 55-70°C).
Note: A thermal emergency is when enclosure ventilation fails with the lamp on, in which
case the temperature will rise very quickly. To avoid nuisance tripping we recommend
setting a higher Trip temperature, 60°C or above.
SET MAX HUMIDITY
(default 80%, permissible range 50-90%).
Set target maximum relative humidity level. This should be set at or a few % higher than
the normal high humidity levels expected on site.
SET LAMP ON POINT
The lamp current at which DEC detects the luminaire/luminaire lamp is running. Default is
1 Amp, which allows for equipment fans and power supplies to run without changing the
air in the enclosure. Lamp on point may be set in 0.2 Amp increments between 0.2 Amps
and 2.0 Amps.
RESET LAMP HOURS
Reset each time you change the lamp in the luminaire/luminaire.
Make this a part of your maintenance instructions.
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page 35
STATUS DISPLAY
View current status information, using the arrow keys to scroll through:
a)
Humidity – relative humidity in %
b)
Air temperature, in degrees C or F
c)
PCB temperature (this will usually be significantly higher than air temperature)
d)
Voltage – line Voltage reaching the DEC
e)
Current being drawn by luminaire/light, in Amps
f)
Lamp Hours elapsed since last reset
g)
Firmware version
RDM Monitoring and Configuration
All the features accessible over the DEC3.3 control panel are
also available over RDM. Just how this information is displayed
will depend on the RDM interface used. These screen shots
were taken running the GetSet program in Windows 7, and
connecting to a DEC3.3 controller using a RDM TRI MK1
interface, Tempest part # 2000.190
GetSet gives you a powerful RDM front end suite, with Tempest-specific functions and displays.
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page 36
This view shows a single
DEC3.2 test unit that has been
correctly discovered and
labeled by the GetSet software
suite, and a log of RDM
messages.
This RDM interface provides a
graphic view of the various
sensor functions supported by
DEC3.2 and up
Important:
Check that your RDM interface
vendor has tested his interface
with Tempest enclosures and
all other RDM devices you plan
to use on the same network.
Firmware Upgrade over RDM
DEC3.3 firmware
is fieldupgradeable,
using RDM. A field
upgrade requires a
JESE RDM TRI MK1
interface to be
connected to the
DMX network on
which the DEC3.3
is located, and the
use of JESE GetSet
software. The kit
is available from
Tempest under
part # 2000.190.
Thunder Enclosure User Manual
page 37
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