Photostability Test Chambers

LUNAIRE ENVIRONMENTAL
Photostability Test Chambers
OPERATION & MAINTENANCE MANUAL
Model No. CEO9xx - x - PH,
Serial No. 3xxxx
CHAMBER TYPES
CEO9xx - 1: Heating Only
CEO9xx - 2: Heating / Cooling
CEO9xx - 3: Heating / Humidity
CEO9xx - 4: Heating / Cooling / Humidity
CONTROLLER TYPES
Temperature Controller - Watlow 96
Humidity Controller - Watlow 96 (-3 & -4 Models)
Photostability Controller(s) - Watlow 96
CHAMBER FEATURES
Air Dryer
Chart Recorder
Photostability: Artificial Daylight Test
Photostability: Near Ultraviolet Test
2121 Reach Road
Williamsport, PA 17701
570-326-1770 Fax: 570-326-7304
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Rev. 10/28/05
Page 1
LUNAIRE ENVIRONMENTAL
TABLE OF CONTENTS
SECTION
Page
INFORMATION
1.0
COMPANY INFORMATION & ASSISTANCE ____________________________________ 4
2.0
SAFETY WARNINGS & SYMBOLS ___________________________________________ 5,6
3.0
PRODUCT SPECIFICATIONS & OVERVIEW ___________________________________ 7-9
4.0
DRAWINGS, INFORMATION, and VENDOR INSTRUCTION LISTINGS ______________ 10
5.0
INSTALLATION INSTRUCTIONS
5.1
Delivery and Uncrating of Unit ________________________________________________ 11
5.2
Location and Installation of Unit ______________________________________________ 11
5.3
Chamber Drain Connection __________________________________________________ 12
5.4
Air Supply Connection ______________________________________________________ 12
5.5
Vapor-Flo Humidity Generator Checks _________________________________________ 13
5.6
Vapor-Flo Water Supply Quality & Connection ___________________________________ 14,15
5.7
Before Running Humidity Tests - Important! _____________________________________ 15
5.8
Power Connection _________________________________________________________ 16,17
5.9
Application of Power _______________________________________________________ 17
SYSTEMS and CONTROL
6.0
AIR CIRCULATION SYSTEM ________________________________________________ 18,19
7.0
TEMPERATURE CONTROL – Watlow 96 Controller C1
7.1
Controller Features ________________________________________________________ 20,21
7.2
Conditioning Control Functions _______________________________________________ 21
8.0
TEMPERATURE ALARM and SHUTDOWN CIRCUIT _____________________________ 22
9.0
HEATING DESCRIPTION ___________________________________________________ 23
10.0
SINGLE STAGE REFRIGERATION DESCRIPTION ______________________________ 24
11.0
HUMIDITY CONTROL – Watlow 96 Controller C2
11.1
Controller Features ________________________________________________________ 25,26
11.2
Conditioning Control Features ________________________________________________ 26
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 2
LUNAIRE ENVIRONMENTAL
SYSTEMS and CONTROL - Continued
12.0
HUMIDITY SYSTEM
12.1
12.2
12.3
12.4
12.5
12.6
System Overview __________________________________________________________
Design / Operational Features _______________________________________________
Vapor Generating Capacity __________________________________________________
Humidity Control __________________________________________________________
Humidity Sensor __________________________________________________________
Optional Equipment with Water Flow Diagram ___________________________________
27
28,29
30
30
30
31,32
OPTIONAL EQUIPMENT and FEATURES
13.0
PHOTOSTABILITY TEST SYSTEM
13.1
13.2
13.3
13.4
13.5
System Overview __________________________________________________________
Light Control System _______________________________________________________
Light Bank Types _________________________________________________________
Light Bank & Detector Installation Procedures ___________________________________
Light Bank & Detector Removal Procedure ______________________________________
14.0
HUMIDITY ALARM CIRCUITS (Optional for -3 & -4 Models) _______________________ 38
15.0
DRY AIR SYSTEM FOR DEHUMIDIFICATION __________________________________ 38
16.0
CHART RECORDER ______________________________________________________ 39
33
34
35
36,37
37
CHAMBER OPERATION & MAINTENANCE
17.0
SEQUENCE of OPERATION ________________________________________________ 40
18.0
PREVENTATIVE MAINTENANCE ____________________________________________ 41
18.1
Maintenance Check / Procedures _____________________________________________ 41-43
18.2
Vapor-Flo Humidifier Maintenance & Troubleshooting _____________________________ 44,45
18.3
Preventative Maintenance Schedule / Log ______________________________________ 46
SUPPLEMENTAL INSTRUCTIONS
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 3
LUNAIRE ENVIRONMENTAL
1.0
COMPANY INFORMATION & ASSISTANCE
Congratulations on purchasing a chamber from one of the fine divisions of TPS - Thermal Product Solutions.
You probably already know us as Lunaire Limited. We’ve changed our name and expanded our vision with
the intent to provide you with more diversified solutions to your thermal product process requirements.
We truly hope that every aspect of chamber design and quality will measure up to your strictest standards.
Your chamber has been designed to operate with the reliability you expect for the demands you impose on
your product and research testing.
Headquartered in Williamsport, Pennsylvania, which is located in the North-central part of the state, TPS
includes the following four divisions that manufacture environmental test chambers and industrial ovens.
Tenney Environmental - - - - - - Lunaire Environmental - - - - - - Gruenberg Oven - - - - - - Blue M
Parts and service inquiries for equipment within each division should be directed to TPS by any of the
following methods.
Important! Please have the Model and Serial Numbers of your unit available when contacting us.
TPS
2121 Reach Road
Williamsport, PA 17701
Phone:
570 - 326 - 1770
Fax - Parts Dept.
570 - 320 - 2160
Fax - Service Dept.
570 - 326 - 3372
Fax - Main:
570 - 326 - 7304
E - Mail Address:
service@lunaire.com
Web site:
www.thermalproductsolutions.com
Parts Replacement
Your equipment has been designed and manufactured to provide years of reliable service. In the event a
component should fail, it is recommended that only OEM approved parts be used as replacements. Please
contact the Parts Department for component replacement, or repair.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 4
LUNAIRE ENVIRONMENTAL
2.0
SAFETY WARNINGS & SYMBOLS
1.
Read this entire Operation Manual, as well as the vendor manuals and cut-sheets provided before
operating this equipment! Failure to adhere to any Safety Warning, or failure to follow the proper
operating procedures listed throughout any of the information provided, could cause damage to your
equipment, personal injury, or death.
2.
Obey all “CAUTION”, “DANGER”, and “WARNING” signs / labels mounted on the equipment. Do not
remove any of these signs / labels.
3.
Do not use this equipment in any manner not specified in this manual. Improper use may impair the
safety features employed and will void your warranty.
4.
Operators and service personnel must be familiar with the location and function of all controls and the
inherent dangers of the equipment before operating or maintaining it.
5.
Only qualified service personnel should ever be permitted to perform any service-related procedure on
this equipment!
6.
This is not an explosion resistant chamber. Do not install test articles that may release explosive or
flammable vapors in the chamber.
7.
Do not place the unit near combustible materials or hazardous fumes or vapors.
8.
Do not install unit in a corrosive environment. A corrosive environment may lead to poor performance
and deterioration of unit.
9.
Make sure the chamber and any remote equipment provided are leveled when installed. The chamber
door may swing shut on personnel if unit is tilted.
10.
A main power disconnect may not be provided with your unit. If not provided, we recommend that a
fused disconnect switch on a separate branch circuit be installed as the power source in accordance
with all National and Local Electrical Codes. If your unit is equipped with a power cord and plug, you
must utilize a receptacle with the appropriate rating, which is on a branch circuit of its own.
11.
Do not position the chamber in a manner that would make it difficult to operate your main power
disconnect switch.
12.
Your power supply line voltage may be too low or too high to properly and safely operate your
equipment. Before making the power supply connection to your equipment, you must follow the
specific directions stated under “Power Connection” in the Installation Instructions section. Failing to
perform the directions stated may damage your equipment and void your warranty!
13.
Control panels, gauge boxes, the conditioning compartment, etc., contain exposed electrical
connections. Keep panels in place properly when the unit is in operation. Disconnect and Lock-Out /
Tag-Out all electrical power from the unit at its source before servicing or cleaning.
14.
Refrigerant under high pressure is used in the -2 and -4 units. Only qualified refrigeration mechanic
personnel should ever be permitted to perform any service-related procedure on the refrigeration
system.
15.
Do not adjust any mechanical components such as refrigeration valves or any electrical components
except as directed in this manual.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 5
LUNAIRE ENVIRONMENTAL
16.
Human exposure to temperature extremes can cause injury. Do not open the chamber door until
chamber temperature drops below 200° F (93° C), when applicable. Take appropriate precautions
before opening oven doors and upon handling any chamber contents.
17.
Do not modify any component on this unit. Use only original equipment manufactured (OEM) parts as
replacement parts. Modifications to any component, or the use of a non-OEM replacement part could
cause damage to your equipment, personal injury, or death.
18.
Do not overload the floor of the chamber workspace or load the unit unevenly.
INTERNATIONAL WARNING / SAFETY SYMBOL DEFINITIONS
Obey all “DANGER”, “WARNING”, and “CAUTION” labels shown in the manual and mounted on the
equipment. Do not remove any labels mounted on the equipment.
“WARNING OF HAZARDOUS AREA”
“WARNING OF DANGEROUS ELECTRIC VOLTAGE”
“WARNING OF HOT SURFACE”
“EARTH (GROUND) PROTECTIVE CONDUCTOR TERMINAL”
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 6
LUNAIRE ENVIRONMENTAL
3.0
PRODUCT SPECIFICATIONS & OVERVIEW
Application:
This manual applies to Lunaire Photostability / Temperature - Humidity Stability Test Chambers, which are
engineered to provide a diverse set of environmental operating conditions, with simultaneous Photostability
Testing. Heating, cooling, and humidity conditioning in various combinations can be chosen to closely match
your test requirements.
Two different Photostability Test Systems are available:
ƒ
Full Spectrum - Artificial Daylight
ƒ
Near UV - Ultraviolet A
The Model CEO910 chamber can employ one light system, while the larger Model CEO932 can employ two.
Model Number Designations and Specifications:
There are four basic models in the CEO series, which include Models CEO9xx -1, -2, -3, and -4. The dash
numbers -1, -2, -3, and -4 define what environmental operating conditions the chamber provides. Chamber
types and temperature and/ or humidity ranges are listed below. All model numbers will have suffix PH to
designate the Photostability feature.
Each of the standard models are available in five different workspace sizes, which include 10, 17, 32, 41,
and 58 cubic feet. Size is designated by the 9xx number, e.g., CEO910, CEO917, CEO932, CEO941, and
CEO958. Important Note! Throughout this manual, the dash numbers -1, -2, -3, and -4 will reference all
Lunaire chamber models.
IMPORTANT! With the light banks installed, you can only operate the chamber in the following
conditions.
Temperature Range: +20° C to +35° C, with a Humidity Level Less than 50% RH
Temperature / Humidity Specifications for Chambers With Light Banks Removed
Chamber Type
Temperature and / or Humidity Range
CEO9xx - 1:
Heating Only
Temp:
+10°C above ambient to +99°C
CEO9xx - 2:
Heating / Cooling
Temp:
0°C to +99°C
CEO9xx - 3:
Heating / Humidity
Temp:
+10°C above ambient to +99°C
Humidity:
above ambient to 96% RH
Temp:
0°C to +99°C
Humidity:
20% to 96% RH
CEO9xx - 4:
Heating / Cooling / Humidity
Control tolerance after stabilization is ±0.3°C for temperature, and ±2% for relative humidity. Temperature
uniformity is maintained at ±0.5°C throughout the chamber, even with a variety of shelf loading
configurations. Lower humidity levels than those listed above can be achieved with an optional air dryer.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 7
LUNAIRE ENVIRONMENTAL
Environmental Conditioning Functions:
ƒ
Heating of chamber air is accomplished by recirculating chamber air through electric heater elements in
the conditioning plenum of all models.
ƒ
Cooling is accomplished in the -2 and -4 models by recirculating chamber air through a refrigerated
cooling coil in the conditioning plenum. These chambers incorporate a single stage refrigeration system
with a hermetically sealed reciprocating compressor. Non-CFC refrigerant is used.
ƒ
Humidification of chamber air in the -3 and -4 models is accomplished by water vapor injection, which is
generated by a Vapor-Flo Humidity Generator. The vapor is injected into the conditioning plenum near
the conditioning blower intake.
ƒ
Dehumidification of chamber air in the -3 and -4 models may be achieved with the optional heatless
desiccant dryer. This dryer generates dry air using a compressed air supply and is self regenerating.
ƒ
Air circulation is generated by one or more blower conditioner motors. Air flow is in a horizontal pattern
through the chamber workspace. Chamber sizes 10 thru 41 cubic feet employ one blower motor. The 58
cubic foot model employs two blower motors. Conditioner motors are externally mounted.
Air intake and exhaust tubes with manual dampers are provided to vent moisture or undesirable vapors
from the chamber workspace.
Temperature / Humidity Controller(s):
Temperature conditions are controlled by a Watlow 96 Temperature Controller, which uses an RTD sensor
for temperature measurement. Humidity conditions in the -3 and -4 models are controlled by a Watlow 96
Humidity Controller, which uses a dry capacitance type humidity sensor for humidity measurement.
The Watlow 96 is a powerful one-channel non-profiling type controller that features one universal input, a
second auxiliary input that can be used for a remote set point or an event input, and four outputs. Outputs
are configured in several different modes. Time proportioning is used for the control of heat, and humidity (-3
& -4 models). On/Off control is used for defrost in -2 and -4 models. Alarm outputs are used for high and low
limit setpoints.
Photostability Test Feature:
The photostability test feature permits photostability testing to the standards of the International Conference
on Harmonization ICH. This feature is designed with interchangeable fluorescent light systems that may
include Daylight lamps for Full Spectrum - Artificial Daylight stability testing, and Ultraviolet-A lamps for Near
Ultraviolet stability testing. Watlow 96 Light Controllers are used to control the light level of each light system.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 8
LUNAIRE ENVIRONMENTAL
Additional Options:
Lunaire Steady State and Stability Test Chambers are engineered with the capability to incorporate optional
features that include a humidity alarm circuit, a condensate pump, and a one or two channel circular or strip
type chart recorder. And there's much more. Please contact a TPS Sales Engineer for all available options
and for further details.
As you can see, Lunaire Environmental Test Chambers are diversified tools designed to encompass a wide
range of operating conditions and functions. If you come upon any questions as you continue on through the
manual, please contact our Service Department.
Operating Parameters and Requirements:
This equipment is designed to operate safely when the following environmental conditions are met:
ƒ
ƒ
ƒ
Indoor use only.
Within a temperature range of 5°C to 30°C (max).
Maximum relative humidity 90%.
The listed chamber specifications are based on operation at 24° C ambient temperature, altitude at sea level,
and a 60 Hz power supply. Chamber operation utilizing a 50 Hz power supply may derate the listed
performance specifications.
Equipment damage, personal injury, or death may result if this equipment is operated or maintained by
untrained personnel. Operators and service personnel must be familiar with the location and function of all
controls and the inherent dangers of the equipment before operating or maintaining it. TPS shall not be liable
for any damages, including incidental and/or consequential damages, regardless of the legal theory
asserted, including negligence and/or strict liability. Observe all safety warnings and operating parameters
listed in this manual, as well as all Caution, Danger, and Warning signs or labels mounted on the equipment
to reduce the risk of equipment damage and personal injury.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 9
LUNAIRE ENVIRONMENTAL
4.0
DRAWINGS, INFORMATION, and VENDOR INSTRUCTION LISTINGS
As applicable to the chamber model and serial number, the following drawings are included in the
Supplemental Instructions Section of this manual.
Note:
For specially designed chambers, the Electrical Schematic will be designated by the number D800,
and the Relay Pan Layout (when provided) will be designated by the number D801.
Electrical Schematic
LE10XX - 4
Relay Pan Layout (when provided)
L100X - 4
Refrigeration Schematic (-2 & -4 Models)
1/3 HP System
1/2 HP System
3/4 HP System
R - 1736 - 4
R - 1737 - 4
R - 1738 – 4
UVA Light / Daylight Photostability Package
LE1000 - 3
Condensate Pump & Dehumid Option (when applicable for -3 & -4)
LE1000 - 2
Humidity High / Low Alarm Option (when applicable for -3 & -4)
LE1001 - 2
Boost / Buck Transformer for Circulation Motor - Optional (when applicable)
LE1002 - 2
The following vendor manuals and information are provided:
Watlow 96 Controller Manual
Humidity Sensor (For -3 and -4 Models): Vaisala
Chart Recorder (with option)
Test Report
Heatless Dryer Manual (with dry air dehumid option)
Note: Various other vendor manuals and product information sheets may be provided, which contain
important operation and maintenance instructions. Their inclusion is subject to vendor availability.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 10
LUNAIRE ENVIRONMENTAL
5.0
INSTALLATION INSTRUCTIONS
Read this section completely before attempting to install, or operate the equipment.
5.1
Delivery and Uncrating of Unit
Inspect equipment and shipping crate immediately upon receipt. If any damage is apparent, you should
discuss it with the trucking delivery person and contact the transportation company immediately. Make notes
of any damage on the Bill Of Lading. Retain all shipping materials for inspection. Any claims for damage
must start at the receiving point. Check packing slip carefully and make sure all materials have been
received as indicated on the packing ticket. Unless otherwise noted, YOUR ORDER HAS BEEN SHIPPED
COMPLETE.
Warning! Chambers, remote control cabinets, and remote machinery skids should be handled
and transported in an upright position, or as indicated on the shipping pallet. Damage to the
equipment may be incurred if it is not handled properly.
Important! Do to the vibration incurred during shipping and handling, it is possible that mechanical
connections could become loose. Check all connections to make sure they are secure. For -3 and -4 models
with a Vapor-Flo Humidity Generator, check all water fittings to make sure they are tight. Inspect the VaporFlo Humidity Generator assembly as described below.
5.2
Location and Installation of Unit
Your equipment has been fully operated, tested, and balanced in our plant prior to shipment, unless notified
otherwise. Follow the installation requirements below.
ƒ
Do not place the unit near combustible materials or hazardous fumes or vapors.
ƒ
Ventilation: The unit should be installed in an area where there is good air ventilation. Allow a minimum
of 18 inches between any wall and any side of the unit.
ƒ
Do not locate unit in areas of wide ambient temperature variation such as near vents or outdoor
entrances.
ƒ
Do not install unit in a corrosive environment. A corrosive environment may lead to poor performance
and deterioration of unit.
ƒ
Do not position the unit in a manner that would make it difficult to operate your main power
disconnect switch. See “Power Connection” below.
ƒ
Make sure the unit is leveled when set up.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 11
LUNAIRE ENVIRONMENTAL
5.3
Chamber Drain Connections
There are two different water drain connections for draining condensation from the chamber. The door trough
drain pipe runs from the bottom front of the chamber to a ¼" O.D. plastic compression fitting on the bottom
left side. The second drain line consists of a ½" copper pipe that runs out from the bottom rear of the
chamber. The connection may be piped in hard line or with a flexible hose and clamp. This line drains
condensation from the plenum, the chamber floor, and the door drip pan mounted on the bottom of the door.
5.4
Air Supply Connection (-3 & -4 Models)
Your chamber will require a compressed air supply for the Dry Air Dehumidification / Dry Air Purge System
option. The supply should be clean and dry, and range from 80 PSIG min. to 100 PSIG max. The connection
type is ¼” FPT. Make sure the connection is secure. Reference the corresponding “Options” section in this
manual and your chamber specifications for more details.
Flow Adjustments:
Twin Tower
Heatless Dryer
Adjust the flow adjustment valve at the supply
connection to maintain 100 PSIG max. Adjust the
flowmeter metering valve to approximately 300
cubic feet per hour.
Note: Your equipment configuration may be
slightly different from what is shown.
Flow
Adjustment
Valve
Metering
Valve
Compressed
Air Supply
Input
Dry Air Purge System
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 12
LUNAIRE ENVIRONMENTAL
5.5
Vapor-Flo Humidity Generator Checks (-3 & -4 Models)
The humidity generator is installed inside the machinery section and consists mainly of a glass bell jar
assembly. A thick black insulating cover is wrapped around the bell jar. Remove the cover by sliding it off.
Make sure the gasket sealing the bell jar is positioned properly around its perimeter, and that the wingnuts
securing the bell jar are tight. Do not replace the cover until you follow all of the instructions that follow!
Overflow /
Vent Tube
Gasket
Note: Bell jar is shown
with water drained
Wingnut
Water Level
Float
Note: Your equipment
configuration may be
slightly different from
what is shown.
VAPOR-FLO HUMIDITY GENERATOR
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 13
LUNAIRE ENVIRONMENTAL
5.6
Vapor-Flo Water Supply Quality & Connection (-3 & -4 Models)
Water Quality
Important! Please read and adhere to the important statements below before utilizing your water supply.
Also refer to the Humidity System Section in this manual for more details.
We strongly suggest that you have your water supply tested for resistivity, organic content, and
inorganic content before using the humidifier.
The water supply to the generator must be demineralized or single distilled, and have a resistance
measurement between 50,000 and 100,000 Ohm/cm (20 to 10 Microsiemens/cm). It is important
that the water is very low in minerals. Otherwise, the generator’s immersion heater and belljar will
become encrusted with minerals and cause system failure. If your water supply can not meet the
resistivity specifications, a cartridge ion exchanger (deionizer) should be obtained from TPS.
Note: Ion exchangers are discussed in detail in the Humidity System Section.
Do not use double or triple distilled (ultra-pure) water. Pure water (greater than 1.0 Megohm/cm)
will attack metals such as copper, brass, etc., and will drastically reduce the life of the humidifier.
Never supply demineralized, or single distilled water to a cartridge ion exchanger. (The result is
double distilled water.)
If your water supply tests show that appreciable amounts of suspended particles are present (as
determined by a Certified Test Lab), either a 5 micron or 25 micron polypropylene pre-filter should
be used. This filter may be needed in addition to an ion exchanger. All filter types can be obtained
through TPS.
If your water supply test shows that appreciable amount of organics, free chlorine and
chloramines, phosphate complexes and turbidity are present (as determined by a Certified Test
Lab), a roughing filter (US Filter Model - Absorber) should be used. This filter may be needed in
addition to an ion exchanger. All filter types can be obtained through TPS.
Due to periodic changes that could occur in the quality of city or well water supplies, you should
check your water for resistivity and organic / inorganic content every 1 to 2 months.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 14
LUNAIRE ENVIRONMENTAL
Supply Connection
The water supply should be 30-40 PSIG maximum. The connection is normally made directly to the Water
Pressure Regulator WPR (1/4” MPT). The regulator is adjusted at the factory for optimal performance, which
is normally between 10 and 20 PSIG at the input gauge.
Water Reservoir: When the optional 5 Gallon Water Reservoir is used, fill the reservoir to just below the top
hose inlet port (when provided). Water is fed by gravity to the humidifier. When operating with high humidity
conditions, you may have to fill the reservoir daily.
Condensate Pump: The optional condensate pump may be used to reduce the frequency of refilling the
reservoir, or to conserve water. Water is pumped back to the reservoir in response to an integral float switch.
Important! Refer to the Humidity System Section in this manual when a water reservoir, a condensate
pump, or a cartridge ion exchanger is used.
Water Supply Regulator
After turning on the water supply and adjusting the pressure, make sure the water level in the
belljar is approximately 1" above the immersion heater. Replace the insulating cover.
5.7
Before Running Humidity Tests - Important!
Before running high temperature with high humidity conditions, you should open the intake and
exhaust port dampers at the top of the chamber. The extra heat introduced by the high volume of
vapor needs to be removed.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 15
LUNAIRE ENVIRONMENTAL
5.8
Power Connection
Warning! Before making the power supply connection to your unit, you must perform the
following procedure:
1.
Verify the power supply voltage rating established for your chamber (listed above). The voltage rating
is also found on the serial tag on the side of the oven. Note the rated value here:
2.
Measure and record the intended voltage source. Note the measured value here:
3.
Reference the “Line Voltage Min/Max Tables” below. Verify that the power supply voltage source you
measured and recorded is within the minimum and maximum allowable operating voltages for your
chamber rating. If it is not within this operating range, do not make the power connection! Otherwise,
erratic operation and damage may occur to your equipment, which may void your warranty. If you have
any questions, please call the TPS Service Department.
Important! One of the most common causes of equipment malfunction is low line voltage as the power
source to the unit. Ordinarily in this condition, the heat output would be reduced and the system's motors
would operate erratically, eventually overheat, and shut down. You must be certain that your equipment is
connected to a circuit with an adequate voltage and current source. An oversupply voltage would also cause
erratic operation and eventual shutdown, or damage to your equipment.
- 60 HERTZ SUPPLIES -
- 50 HERTZ SUPPLIES -
LINE VOLTAGE MIN. / MAX. TABLE
LINE VOLTAGE MIN. / MAX. TABLE
Nominal
Voltage
Minimum
Voltage
Maximum
Voltage
Nominal
Voltage
Minimum
Voltage
Maximum
Voltage
208
188
228
200
180
220
230
207
253
220
198
242
460
414
506
380
342
418
480
432
528
400
360
440
415
374
456
60 Hz
Supply
Operation outside these
limits can result in damage
to the system's motors.
50 Hz
Supply
Operation outside these
limits can result in damage
to the system's motors.
Making the Power Supply Connection to the Chamber:
A main power disconnect switch is normally not provided with your chamber. We recommend that a fused
disconnect switch on a separate branch circuit be installed as the power source to your chamber, in
accordance with all national and local electrical codes. Reference your Electrical, or Power Schematic for all
electrical requirements.
The power connection is made via a cord and plug for small standard units. Connect the plug to a receptacle
that has the appropriate power supply on a branch circuit of its own.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 16
LUNAIRE ENVIRONMENTAL
For larger or special units that have the power supply hard-wired to the chamber, connect incoming lines to
the main input connections provided in the control section.
Warning! High Accessible Current – An Earth connection is essential before connecting the
power supply. Make sure equipment is properly grounded in accordance with all codes.
5.9
Application of Power
♦
Before energizing any equipment, make a visual inspection for loose components, electrical
connections, fittings, etc. Shut all operating switches to the “OFF” position before energizing.
♦
Have trained personnel start and check out the equipment before its first cycle.
Motor Rotation Check: Units with three phase motors must be checked to insure proper motor rotation. A
red arrow is located on the motor housing to show proper rotation. If it is opposite, shut down the oven and
disconnect the main power supply source. Perform Lock-Out / Tag-Out Procedures established by your
company. Reverse two of the line feeds to obtain proper operation. Failure to check motor rotation may result
in DAMAGE TO THE EQUIPMENT due to opposite airflow, or no airflow.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 17
LUNAIRE ENVIRONMENTAL
6.0
AIR CIRCULATION SYSTEM
System Overview:
Lunaire chambers are engineered with a highly efficient horizontal airflow system to provide maximum
temperature uniformity. The generation and conditioning of airflow occurs in the plenum conditioning section
at the top of the chamber. The plenum is isolated from the workspace so that no direct radiation to the
product can occur. Air circulation is generated by a blower wheel, which is driven by an externally mounted
motor. Two conditioner blowers are used in the larger Model CEO958’s. Conditioning equipment includes
electric Incoloy sheathed heaters, a refrigeration coil (-2 & -4 Models), a humidity injection port (-3 & -4
Models), and a dry air injection port (optional).
Airflow Description:
Process air is conditioned as it is drawn through the heaters and the refrigeration coil (-2 & -4 Models) by the
blower wheel. Injected humidified air or dry air (-3 & -4 Models) mixes in smoothly with the heated or cooled
air. The conditioned air is discharged down into the right side duct wall and then enters the workspace
through semi-pierced openings over the entire height and depth of the chamber. Air flows horizontally across
the product and exits the workspace through semi-pierced openings in the left side duct wall. Processed air
flows up the left side duct wall and returns to the plenum for reconditioning.
A 100 Ohm Platinum RTD sensor is used for temperature measurement. It is placed in the discharge air in
the right side duct wall. A capacitive humidity sensor is used for humidity measurement (-3 & -4 Models).
This sensor is placed in the chamber workspace below the plenum cover.
Refrig. Coil
Intake Tube
(Short Tube)
Heater
Blower
Housing
Discharge
Air
Note: Right
side duct wall
is removed.
Exhaust Tube
Vapor
Injection
Port
Humidity
Sensor
RTD Sensor
PLENUM CONDITIONING SECTION
Note: Your chamber configuration may be slightly different from what is shown.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 18
LUNAIRE ENVIRONMENTAL
Plenum
Condensate
Drip Pan
PLENUM COVER INSTALLED
Air Intake Tube / Air Exhaust Tube:
An air intake tube and an air exhaust tube mounted at the top of the chamber provide a means of
exchanging a portion of process air with fresh ambient air. Both tubes have manual butterfly dampers, which
are factory set in the closed position. The dampers are normally closed for most operating conditions. They
should be opened when running the following conditions:
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At ambient temperature conditions to remove the heat generated by the blower wheel
At high temperature with high humidity conditions to remove the extra heat that is added by the vapor
To remove heat generated by a live load
To remove moisture or undesirable vapors given off by the product
Airflow Switch:
A Circulation Airflow Switch AFS is provided to monitor air circulation
within the chamber. This switch is a differential air pressure type that
monitors air pressure on both sides of the circulation blower. When a
loss of air circulation is detected, the switch will open and remove
power from the heat control circuitry, and the humidity control
circuitry (-3 & -4 Models). The Circulation Failure light will illuminate
and the audible alarm will sound. Loss of air circulation may result
from a motor malfunction or a loose blower wheel. An airflow switch
is provided for each blower in all CEO958 Models.
Alarm Silence Switch:
The audible alarm can be silenced by pressing the Alarm Silence
pushbutton. The Alarm Silence circuitry will automatically reset when
the Circulation Airflow Switch AFS again closes, indicating that
proper air circulation has been established.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
AIRFLOW SWITCH
Page 19
LUNAIRE ENVIRONMENTAL
7.0
7.1
TEMPERATURE CONTROL – Watlow 96 Controller C1
Controller Features
Temperature conditions are controlled by a microprocessor based Watlow 96 Controller C1. The Watlow 96
is a 1/16 DIN controller, which incorporates the following features.
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Single Channel
Non-Profiling
Automatic & Manual Control
1 Universal Input: 100 Ohm Platinum RTD is Std.
1 Auxiliary Input: DC Process, 4-20 ma Process, or Digital Event Input
2 Control Outputs: Time Proportioned, On/Off, or 4-20 ma Control
(Output 2 may be an alarm)
1 to 3 Alarm Outputs: Optional for Outputs 2 - 4
1 Retransmit Output: Optional for Output 4
Communications: Optional for Output 4, Serial w/ Modbus RTU
WATLOW 96 CONTROLLER
Keys and Displays:
The front panel of the Watlow 96 is provided with user-friendly features that aid in monitoring and setup. The
upper display indicates actual process values while the lower display indicates setpoint value. Output LEDs
No.'s 1, 2, 3, & 4 will light when the corresponding controller output is energized. The auto/manual mode (%)
indicator light will illuminate when operating in the manual mode, and will be off when operating in the auto
mode. The Advance Key advances the lower display through the configuration parameters. The Infinity /
Home Key returns to the Home Page, and resets a latching alarm or a latching input sensor error. The Up
and Down arrow keys raise or lower both of the display values.
Controller Configuration:
The pre-programmed controller configuration for your chamber is documented in the Test Report, which is
located in the Supplemental Instructions Section. Refer to the controller manual for programming details.
Important! The configuration set-up is mainly provided for your reference. Not all of the parameters shown
apply to your chamber. Changes to some of the set-up parameters may drastically affect your chamber
performance and void your warranty. Contact the TPS Service Dept. before attempting any changes.
Data Communications:
As an option, your chamber may include data communications with the main controller's serial port. When
employed, a Data Communications manual will be included in the Supplemental Instructions Section. As a
reference, the available data types are listed and briefly described below.
RS232C / RS423A: Both interfaces are compatible and use 3 wires: a single transmit wire; a single receive
wire; and a common line. The maximum wire length is 50 feet. Only a single chamber may be connected to
your computer. Data signals are measured as plus and minus 12 Volts to common with RS232C, and plus
and minus 5 Volts to common with RS423A.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 20
LUNAIRE ENVIRONMENTAL
RS422A: This interface uses 5 wires: a transmit pair; a receive pair; and a common line. Up to ten
chambers may be connected to your computer on a multi-drop network up to 4,000 feet long. Data signals in
each pair are measured as a plus or minus 5 Volt differential.
EIA-485: This interface uses only 2 wires. Both wires are used for transmitting and receiving data, and
therefore, only one device may talk at a time. Up to 10 chambers may be connected to your computer on a
multi-drop network up to 4,000 feet long. Data signals are measured as a plus or minus 5 Volt differential. An
EIA-485 card must be installed for signal conversion.
IEEE-488: This is a parallel multi-drop interface with several control and data lines. Each device connected
must be set to a unique address. Data from other test devices may also be collected. An IEEE-488 to serial
converter card must be installed. Maximum cable length is approx. 33 ft.
7.2
Conditioning Control Functions:
Temperature Control - Heating (-1 & -3 Models):
The temperature range for all -1 and -3 Models is from +10° C above ambient to +99° C. For the control of
temperature, Output C1-01 of the Watlow 96 Temperature Controller C1 is used for heat control. C1-01 is
enabled as soon as the Main Power Switch is turned ON. When heating is required, C1-01 will close to
energize the solid state Heater Relay 1HR. Contacts of 1HR, along with those of the High Limit Relay 1HL
provide power to the heater in the conditioning section. Output C1-01 is a time proportioned PID solid state
relay type that provides a temperature control tolerance of ±0.3° after stabilization.
Temperature Control - Heating & Cooling (-2 & -4 Models):
The temperature range for all -2 and -4 Models is from 0° C to +99° C. For the control of temperature, Output
C1-01 of the Watlow 96 Temperature Controller C1 is used for heat control, and a Refrigeration On/Off
switch on the control panel is used for cooling. C1-01 is enabled as soon as the Main Power Switch is turned
ON. When the Refrigeration Switch is turned ON, the compressor will run constantly. There is no cooling
output. Please reference the Single Stage Refrigeration System section for a description of this system.
When heating the chamber to a setpoint above 37° C, the Refrigeration Switch should remain in the OFF
position. Otherwise, it will take an extended period of time to reach your setpoint temperature with the
refrigeration system running. For ambient temperature up to 37° C, the Refrigeration Switch can be turned
ON. The heating output will now bump against the constant-running refrigeration system to attain a set
temperature. Anytime you change your setpoint temperature from a high level to a lower level, the
refrigeration system should be turned ON.
When heating is required, output C1-01 will close to energize the solid state Heater Relay 1HR. The contacts
of 1HR, along with those of the High Limit Relay 1HL provide power to the heater in the conditioning section.
Output C1-01 is a time proportioned PID solid state relay type that provides a temperature control tolerance
of ±0.3° after stabilization.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 21
LUNAIRE ENVIRONMENTAL
8.0
TEMPERATURE ALARM and SHUTDOWN CIRCUIT
A high limit temperature shutdown circuit is provided on all models. A low limit temperature shutdown circuit
is provided on -2 and -4 Models only. Both circuits sound an audible alarm when activated.
High Limit Temperature Alarm - (all Models):
Output C1-02 of the Watlow 96 Temperature Controller C1 is used as a high limit alarm output. During
normal conditions, C1-02 is closed which energizes the High Limit Relay 1HL. This relay enables the heater
element, and the Vapor-Flo Humidity Generator (-3 & -4 Models). When a programmed high limit setpoint is
reached, output C1-02 will open to deenergize 1HL. This action removes power from the heater element, and
the humidity generator (-3 & -4 Models). The High Limit Alarm light will illuminate and the audible alarm will
sound.
Low Limit Temperature Alarm - (-2 & -4 Models):
Output C1-03 of the Watlow 96 Temperature Controller C1 is used as a low limit alarm output. When a
programmed low limit setpoint is reached, output C1-03 will close to energize the Low Limit Control relay
1CR. Contacts of 1CR will open to deenergize and open the Refrigeration solenoid valve SV2, and the Liquid
Injection solenoid valve SV3. Refrigerant flow to the cooling coil in the chamber conditioning section ceases.
1CR will also illuminate the Low Limit Alarm light and activate the audible alarm.
Alarm Silence Switch:
The audible alarm can be silenced by pressing the Alarm Silence pushbutton. The alarm silence circuitry will
automatically reset when the out of limit condition returns to normal.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 22
LUNAIRE ENVIRONMENTAL
9.0
HEATING DESCRIPTON
Electric Incoloy sheathed heater elements are utilized for heating. The CEO910, 917, 932, and 941 series
incorporate one heater element. The larger CEO958 series incorporates two elements. All heaters are
mounted in the conditioning plenum. Location of the elements prevents direct heat radiation to the product.
The heater ends protrude through the top of the chamber into the control panel section where the electrical
connections are made. Each heater end passes through a short stainless steel alloy tube and is sealed with
silicone on both ends. Retainer clips secure each heater end.
When heating is required, output C1-01 of the Watlow 96 Temperature Control C1 will close to energize
Heater Relay 1HR. The contacts of 1HR along with those of the High Limit Relay 1HL, provide power to the
heater element.
Please reference the Electrical Schematic for your chamber’s heater bank ratings.
SHEATHED HEATER
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 23
LUNAIRE ENVIRONMENTAL
10.0
SINGLE STAGE REFRIGERATION DESCRIPTON (-3 & -4 Models)
The basic single stage system consists of a compressor, an air-cooled condenser, an evaporator coil, and
various refrigerant flow regulating devices.
Refrigerant flow is from the compressor as a hot compressed gas to the condenser. Here the refrigerant
cools and condenses to liquid form and flows through various flow capacity devices to the evaporator cooling
coil in the chamber conditioning section. Warm chamber air is circulated through the cooling coil and heat
exchange occurs as the liquid refrigerant boils, vaporizes, and absorbs chamber heat. The vaporized
refrigerant returns to the compressor through the suction line and the cycle is repeated. A Liquid Injection
solenoid valve SV3 is included to inject liquid refrigerant into the suction side of the system. This action
maintains a positive cool refrigerant flow to the compressor when operating at reduced capacities.
The refrigeration system is normally turned on when the chamber setpoint temperature is below 37°C, or
when you wish to cool the chamber down quickly from a high setpoint. The system is energized by turning
the Refrigeration Switch S3 ON. This turns on the compressor through relay xCR, opens the Refrigeration
Valve SV2, and opens the Liquid Injection Valve SV3. The Refrigeration ON light will illuminate.
A Low Pressure Cut-out Switch PS-1 is provided in the suction line to the compressor. PS-1 will open if the
compressor suction pressure falls below a preset value. Probable causes are a loss of refrigerant or
restricted airflow across the evaporator.
Defrost Control:
A 24 hour digital defrost timer is provided which will enable the refrigeration defrost circuitry at every twelve
hour interval. At this interval the timer's contacts will close for a defrost time period of ten minutes. If during
this period the Defrost output C1-04 of the temperature controller closes, hot refrigerant gas will flow from the
compressor, through the Hot Gas solenoid valve SV1, and to the evaporator coil. Output C1-04 closes when
the temperature drops to +20° C or below for CEO9xx - 4 chambers, and to +10° C or below for CEO9xx - 2
chambers. The Defrost ON light will also illuminate. During the ten minute defrost time period, normal
refrigerant flow to the evaporator coil through SV2 and SV3 will be halted, and the Refrigeration ON light will
be extinguished.
The digital timer is a DIN rail type unit with a 3 digit LCD display. It is mounted in the main control enclosure.
Note: Lunaire chambers manufactured before 07/2001 utilized a dial-set (mechanical) timer.
Compressor
Air-Cooled
Condenser
CHAMBER TOP VIEW (-2 and -4 Models)
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 24
LUNAIRE ENVIRONMENTAL
11.0
HUMIDITY CONTROL – Watlow 96 Controller C2 (-3 & -4 Models)
Make sure the water supply is turned on to the Vapor-Flo System before operating.
Humidity conditions are controlled by a microprocessor based Watlow 96 Controller C2. The Watlow 96 is a
1/16 DIN controller, which incorporates the following features.
11.1
Controller Features
The Watlow 96 is a powerful 1/16 DIN controller, which incorporates the following features.
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Single Channel
Non-Profiling
Automatic & Manual Control
1 Universal Input: Dry Capacitance Type Humidity Sensor is used
1 Auxiliary Input: DC Process, 4-20 ma Process, or Digital Event Input
2 Control Outputs: Time Proportioned, On/Off, or 4-20 ma Control (Output 2 may be an alarm)
1 to 3 Alarm Outputs: Optional for Outputs 2 - 4
1 Retransmit Output: Optional for Output 4
Communications: Optional for Output 4, Serial w/ Modbus RTU
Controller Keys and Displays:
The front panel of the Watlow 96 is provided with user-friendly features that aid in monitoring and setup. The
upper display indicates actual process values, while the lower display indicates setpoint value. Output LEDs
No.'s 1, 2, 3, & 4 will light when the corresponding controller output is energized. The auto/manual mode (%)
indicator light will illuminate when operating in the manual mode, and will be off when operating in the auto
mode. The Advance Key advances the lower display through the configuration parameters. The Infinity /
Home Key returns to the Home Page, and resets a latching alarm or a latching input sensor error. The Up
and Down arrow keys raise or lower both of the display values.
Data Communications - Optional:
Output No. 4 is used for this option. Data communications utilizes EIA-232 and EIA-485 serial interface with
Modbus RTU protocol. Modbus RTU enables a computer or PLC to read and write directly to registers
containing the controller's parameters. Both data interface types are briefly described below. Refer to the
main controller manual for details.
RS232C / RS423A: Both interfaces are compatible and use 3 wires: a single transmit wire; a single receive
wire; and a common line. The maximum wire length is 50 feet. Only a single chamber may be connected to
your computer. Data signals are measured as plus and minus 12 volts to common with RS232C, and plus
and minus 5 volts to common with RS423A.
EIA-485: This interface uses only 2 wires. Both wires are used for transmitting and receiving data, and
therefore, only one device may talk at a time. Up to 10 chambers may be connected to your computer on a
multi-drop network up to 4,000 feet long. Data signals are measured as a plus or minus 5 volt differential.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 25
LUNAIRE ENVIRONMENTAL
Controller Configuration:
The pre-programmed controller configuration for your chamber is documented in the Test Report, which is
located in the Supplemental Instructions Section. Refer to the controller manual for programming details.
Important! The configuration set-up is mainly provided for your reference. Not all of the parameters shown
apply to your chamber. Changes to some of the set-up parameters may drastically affect your chamber
performance and void your warranty. Contact the TPS Service Dept. before attempting any changes.
11.2
Conditioning Control Functions
Humidity Control (-3 & -4 Models):
For -3 Models, humidity levels range from above ambient to 96% RH. For -4 Models, humidity levels range
from 20% to 96% RH. Control tolerance is ±2% RH after stabilization. Extended dehumidification levels can
be achieved with the optional dry air system.
The Humidity Switch must be turned ON to enable the humidity circuitry. When humidification is required, the
time proportioned output C2-01 of the controller will energize solid state relay 2HR, which provides power to
the Vapor-Flo Humidity Generator.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 26
LUNAIRE ENVIRONMENTAL
12.0
HUMIDITY SYSTEM (-3 & -4 Models)
Make sure the water supply is turned on to the Vapor-Flo System before operating.
12.1
System Overview
Vapor-Flo Humidity Generators are used to generate water vapor for the humidification of test chambers.
Vapor is produced by heating water with an electric immersion heater in an enclosed glass bell jar assembly.
Power to the heater is time proportioned by the controller output. The build-up of vapor pressure in the bell
jar causes a natural migration of vapor from the vapor port to the chamber conditioning plenum through
copper or stainless steel tubing. Vapor enters the conditioning plenum through a port on the discharge side
of the fan blade or blower wheel, and mixes in smoothly with the circulating air stream.
The system is very responsive, but not overpowering as you may have with a steam injection type system.
An overpressure condition within the belljar can not occur because the vapor port acts like a vent port.
Another important feature of the Vapor-Flo is its ability to increase chamber humidity levels with minimum
effect on dry bulb temperature. This is important in small chamber designs with limited cooling capacity.
Vapor generating capacities vary from 0.9 lbs./hr. (at 300 W, 115 V), to 9.0 lbs./hr. (at 3,000 W, 220 V),
depending on the model used.
Note: Your equipment configuration may be slightly different from what is shown in the photo below.
Vent Tube
Vapor Line To
Chamber
Water
Supply Line
Float
Heater
Drain Valve
VIEW DURING OPERATION
Water Supply: The water supply should be 30-40 PSIG maximum. The connection is made to either the
Utility Connection Panel (1/4” MPT), or directly to the Water Pressure Regulator WPR (1/4” MPT). The
regulator is adjusted at the factory for optimal performance, which is normally between 10 and 20 PSIG at
the input gauge.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 27
LUNAIRE ENVIRONMENTAL
12.2
Design / Operational Features
The bell jar is filled with either demineralized or single distilled water through the water inlet port. Water level
is accurately controlled by a float that is connected to a shut-off valve at the water inlet port through an
extension arm. The water level is kept to a minimum, about one inch above the immersion heater. This
permits the water to be rapidly heated or cooled as power is cycled to the heater. There is very little system
lag. A thick black insulating sleeve covers the length of the bell jar. The sleeve is removable for inspection
and cleaning purposes.
An Overflow Line extends upward from the Drain Line to a point above the normal water operating level, but
below the vapor port. This design prevents excess water from draining into the chamber should the float
valve fail. A Vent Line extends up from the Overflow Line, which prevents a vapor-lock condition.
The immersion heater is protected from an overheat condition that could occur from a water supply failure by
an automatic reset thermostat TS. The thermostat employs a temperature sensing element that is wrapped
around the length of the immersion heater. TS contacts will open to remove power to the heater when the
heater temperature rises above 168° C (334° F). The fail-safe design of the thermostat also removes power
to the heater should the thermostat itself fail.
Vapor Port
Water Inlet / Shutoff Valve
Wrapped T-Stat Sensing Element
VAPOR & WATER PORTS, T-STAT ELEMENT
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 28
LUNAIRE ENVIRONMENTAL
Vent Tube
Vapor Line
(To Be Insulated)
Water Supply Line
& Shutoff Valve
Overflow Line
Thermostat
Drain Line
VAPOR-FLO REAR LEFT VIEW
Overflow / Vent Line
VAPOR-FLO REAR RIGHT VIEW
Note: Your equipment configuration may be slightly different from what is shown.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 29
LUNAIRE ENVIRONMENTAL
12.3
Vapor Generating Capacity
Approximate vapor generating capacity of various models is
given in the table below. This is a general guide. Please
remember that the data is approximate. Variable factors such
as line voltage, incoming water temperature, back pressure,
and condition of the immersion heater will affect the output.
12.4
Humidity Control
VAPOR GENERATING CAPACITY
Heater
Maximum Output
300 Watt
115 Volt
0.9 Lbs. / Hr.
750 Watt
220 Volt
2.2 Lbs. / Hr.
1,000 Watt
220 Volt
3.0 Lbs. / Hr.
1,500 Watt
220 Volt
4.5 Lbs. / Hr.
2,000 Watt
220 Volt
6.0 Lbs. / Hr.
3,000 Watt
220 Volt
9.0 Lbs. / Hr.
Power to the electric immersion heater is time proportioned by
the controller output. This output may be derived directly from a
dedicated Humidity Controller, or from Channel 2 of a Temperature / Humidity Controller. (PLCs normally
use a 4-20 ma control output signal, which may be converted to time proportioned control.) For standard
Lunaire Model CEO chambers, the controller output will energize a solid state relay, which closes and
provides power to the immersion heater. For Tenney chambers with a 3.0 KW or less immersion heater and
a 240 VAC control circuit, the controller output will trigger a triac to conduct and supply power to the heater.
For Tenney chambers with an immersion heater greater than 3.0 KW, or a 120 VAC control circuit, the
controller output will trigger a Watlow Din-a-mite SCR Power Controller to supply power to the immersion
heater. The Din-a-mite incorporates a back-to-back SCR design with a fixed time base burst firing technique.
Burst firing provides short bursts of alternating current to the immersion heater. This results in very short
temperature swings of the heater element, which greatly extends its life. The load current is very smooth and
temperature control is precise. Electrical noise is practically eliminated by the zero-cross switching of the
SCRs.
12.5
Humidity Sensor
A dry capacitance type humidity sensor is used to measure chamber relative humidity. The sensor is
mounted in the head of a stainless steel probe that is 8.5” long, 0.5” diameter, and is protected by a sintered
filter. The probe is mounted in the downstream air of the conditioning section.
In response to humidity levels, the sensor modifies a signal from the humidity transmitter circuit board. This
signal is converted by the transmitter to a 0 to 5 Volt DC signal, representing 0 to 100 percent relative
humidity, and is sent to the humidity controller / channel. The humidity transmitter is powered by a small 15
Volt AC transformer.
HUMIDITY SENSOR
HUMIDITY TRANSMITTER
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 30
LUNAIRE ENVIRONMENTAL
12.6
Optional Equipment with Water Flow Diagram
Water Reservoir
Humidifier
Cartridge
Deionizer
HUMIDITY SYSTEM
WATER FLOW
DIAGRAM
Drain
Line
NOTE: Optional Cartridge
Deionizer, Water Reservoir,
and Condensate Pump Are
Shown
IMPORTANT!
This drawing is for
reference only. Your
equipment layout may be
different. All components
may not be employed.
Drain
Lines
Condensate
Pump
Water Reservoir:
A five gallon water reservoir may be used in place of a fixed water supply line. The gravity feed reservoir is
mounted either on the top or side of the chamber. Water level in the reservoir must be maintained to just
below the top hose inlet port (when provided). When operating with high humidity conditions, you may have
to fill the reservoir daily. We recommend that the optional condensate pump be used with the reservoir to
conserve water. Two different reservoir models are shown below. The inlet port has a ¼” compression fitting.
Water
Inlet Port
5 GALLON WATER RESERVOIR - ROUND
Photostability Test Chambers,
5 GALLON WATER RESERVOIR - SQUARE
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 31
LUNAIRE ENVIRONMENTAL
Cartridge Ion Exchanger:
Ion exchangers (deionizers) should be installed in the water supply line to the humidity generator when the
resistivity of your water supply is less than 50,000 Ohms/cm (20 Microsiemens/cm). Most city water supplies
have a resistivity that ranges from 2,000 to 20,000 Ohms/cm (500 to 50 Microsiemens/cm). The use of water
with these resistivity levels would result in encrustation of the generator’s immersion heater, housing, and
float assembly, and cause system failure.
Note: A prefilter may be necessary to remove an excess of suspended particles. Please refer to all water
quality warnings in section (5.0).
Universal Model II Cartridge Ion Exchanger:
This unit produces an effluent with a resistivity between 50,000 and 100,000
Ohm/cm (20 to 10 Microsiemens/cm), which is equivalent to an ion
concentration level obtainable by single distillation. It has a maximum
capacity of 1600 grains as CaCO3, at a flow of 7.2 gallons per hour.
Essentially all ionizable constituents are removed with the exception of silica
and free carbon dioxide.
The resin in a newly installed Model Universal II Cartridge consists of white
and purple spherical shaped beads. Discoloration of the resin will occur from
the top down with the resin changing to an amber color.
Important! When discoloration of the cartridge media reaches the line
indicated on the cartridge (approx. 2¼" from the bottom), you must replace
the cartridge. The amount of time it takes for complete exhaustion of the
cartridge depends on your water resistivity and the amount of use. Typically,
the cartridge should last between four and eight weeks. However, check it
weekly. Replacement cartridges can be obtained from the TPS Parts
Department.
Cartridge Deionizer
Condensate Pump:
A condensate pump may be used to pump water
condensation from the chamber drain port to either a drain
located away from the chamber, or back to the optional water
reservoir. The pump will automatically turn on and off in
response to an integral float switch. A grounded power supply
cord is provided with the unit.
For Lunaire Model CEO Chambers: Place the pump
underneath the drain port at the rear of the chamber to catch
dripping water. Thirty feet of 1/4" PVC tubing with a 3/8" MPT
X 1/4"COMP connector is provided for your pump outlet
connection.
Condensate Pump
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 32
LUNAIRE ENVIRONMENTAL
13.0
13.1
PHOTOSTABILITY TEST SYSTEM
System Overview
The photostability test feature permits photostability testing to the standards of the International Conference
on Harmonization ICH. This feature is designed with interchangeable fluorescent light systems that may
include Daylight lamps for Full Spectrum - Artificial Daylight stability testing, and Ultraviolet-A lamps for Near
Ultraviolet stability testing.
Lunaire Model CEO910 photostability chambers employ one light bank, while the larger Model CEO932
series can employ two. Hinged reflective cover panels on the front of each bank allow chamber door
openings without disruption of light testing.
Photostability testing can be combined with diverse environmental conditioning. This includes heating,
cooling, and humidity conditioning in various configurations. The airflow management system consists of a
horizontal airflow type that provides maximum temperature uniformity. Conditioning and air circulation
systems are fully described in the corresponding sections.
CEO932 Photostability Test Chamber
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
CEO932 Photostability Test Chamber Cover Panels Removed
Page 33
LUNAIRE ENVIRONMENTAL
13.2
Light Control System:
The flexibility of the light control system is built around the use of a Watlow 96 Controller and a Detector
Amplifier. This system can be configured to control each of the two different types of lamp systems.
The Detector Amplifier is a current-to-voltage converter / amplifier that is compatible with all International
Light, Inc. SEL type detectors. It can be easily calibrated against a standard detector or light level in the field
or laboratory. Light intensity measured by the detector is sent as a current signal to the Detector Amplifier,
which amplifies it and converts it to a 0-5 VDC signal. The Watlow 96 (configured as a UV Controller, or a
Daylight Controller) processes this signal and displays actual light intensity in the corresponding units. Light
intensity is controlled with a 0-10 VDC output from the controller to the electronic dimming ballasts. Setpoint
and actual light intensity are simultaneously displayed on the controller. Each light system is equipped with
an On/Off switch and an ON indicating light.
Detector
Amplifier
Board
Electronic
Light
Ballasts
Light Ballast Enclosure
SEL Light Detector
W96 Light Controllers
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
13.3
Light Bank Types
Full Spectrum - Artificial Daylight:
Fluorescent Daylight Lamp Type FB40DX/6, (Type 12), with light source at 400 - 700 nm
Ballast Model RZT-2S32
Light Intensity Range: 300 to 800 footcandles
Light Detector: International Light Model SEL033/Y/W
Near UV - Ultraviolet A:
UVA Source Blacklight Lamp Type F40BL/U/3, with light source at 300 - 400 nm
Ballast Model RZT-2S32
Light Intensity Range: 7 to 19 W/m2
Light Detector: International Light Model SEL033/UVA/W
Lamp Replacement - Important! After replacing a lamp and before attempting any dimming control, the
lamp must be burned-in at 100% output for a minimum of 100 hours.
Full Spectrum Artificial Daylight
Light Bank
Near UV Ultraviolet A
Light Bank
CEO932 - Bottom View of Light Banks
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
13.4
Light Bank & Detector Installation Procedures
13.4.1
Model CEO932 Light Bank Types & Locations
Note: Your chamber may only be equipped with the Full Spectrum - Artificial Daylight Unit.
Full Spectrum - Artificial Daylight Unit: This light bank is the top mounted unit and must slide into
shelf slot No. 17, as counted up from the bottom of the chamber. The product tray must go into shelf
slot No. 13.
Near UV - Ultraviolet A Unit: This light bank is the bottom mounted unit and must slide into shelf slot
No. 9, as counted up from the bottom of the chamber. The product tray must go into shelf slot No. 5.
For both light bank types and locations, uniformity validation is performed with the product tray
twelve inches from the bottom of the light bank assembly.
13.4.2
Model CEO910 Light Bank Types & Location
Full Spectrum, or Near UV Units: For Model CEO910 chambers the light bank must slide into shelf
slot No. 4, which is the middle shelf slot. The product tray should be placed into the bottom slot.
For both light bank types, uniformity validation is performed with the product tray twelve inches from
the bottom of the light bank assembly.
13.4.3
Installation:
Important! Installation of a light bank must be done by two people. Extreme care must be taken in
each of the steps described below. Read the entire procedure before attempting the removal.
1.
Install the product tray into the proper slot about three fourths of the way in.
2.
Make sure you have the correct light detector that is designated for the lamp you are
installing! Place the light detector on the product tray.Insert the detector connector and cord
through the 2½" rear port from the inside of the chamber. Leave ample cord inside the
chamber for final positioning of the detector.
3.
For installation of the light bank, the unit should ideally be placed on a cart with an outside
dimension larger than that of the light bank. Move the cart within two feet of the chamber
opening. Insert the light bank power cord and plug through the 2½" rear port from inside the
chamber. With a person on each side of the light bank, gently slide the unit into the chamber
about two thirds of the way. One person must go to the rear of the chamber and pull the light
bank power cord through the rear port until no slack remains. At this time the other person can
push the light bank the rest of the way into the chamber. The cord should be pulled the rest of
the way through the rear port. Connect the Amphenol connector to the corresponding socket
on the ballast box.
4.
Finnish pulling the detector cord through the rear port by the amount necessary that will allow
proper placement of the detector on the product tray. Connect the detector connector to the
corresponding socket on the ballast box.
Important Note: Uniformity testing with each light bank type provided is done with the sensor at its
lowest height. Increased sensor height will affect uniformity.
Continued on next page!
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
5.
Install the split port plug.
6.
Remove the light bank transport protector plate by sliding it out from the bottom of the light
bank.
7.
Install the front hinged reflective cover panel to the light bank assembly.
Important! Never operate the chamber with the light bank transport protector plate installed into the
bottom slot of the light bank. This plate is only provided for protection of the lamps when removing
and installing the light bank.
Note: For full operating instructions on the Watlow 96 Controller, please refer to the Watlow 96
User's Manual located in the Supplemental Instructions Section.
13.5
Light Bank & Detector Removal Procedure
Important! Removal of a light bank must be done by two people. Extreme care must be taken in each of
the steps described below. Please read the entire procedure before attempting the removal.
1.
Remove all power from the chamber.
2.
Remove all test products from the product tray.
3.
Disconnect the light bank power cord / plug from the ballast box at the rear of the chamber by
unplugging the round Amphenol connector. Let it hang for the moment.
4.
Disconnect the detector cord / plug from the ballast box at the rear of the chamber by unplugging the
rectangular connector. Let it hang for the moment.
5.
Remove the split port plug at rear of chamber.
6.
Remove the front hinged reflective cover panel from the light bank.
7.
Install the light bank transport protector plate (provided) into the bottom slot of the light bank
assembly by sliding it in. This plate protects the exposed lamps when the light banks are taken out of
the chamber. It must by used whenever the light banks are removed!
8.
With one person on either side of the chamber door opening, gently slide out the light bank about a
third of the way. At this point have one person pull the light bank power cord and Amphenol
connector through the 2½" rear port. Lay the cord and connector on top of the light bank. With one
person on either side of the light bank, slide the unit out of the chamber the rest of the way, and
place it on a flat sturdy surface larger than the outside dimension of the light bank assembly.
9.
Pull the detector cord and plug through the 2½" rear port to the inside of the chamber and remove
with detector.
10.
Slide out product tray.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
14.0
HUMIDITY ALARM CIRCUITS
(Optional for -3 & -4 Models)
As an option, outputs from the Watlow 96 Humidity Controller C2 may be used as high and low humidity
alarm outputs. Output C2-03 will close and energize the High Humidity Alarm Relay 8CR when the
programmed high limit humidity level is reached. Output C2-04 will close and energize the Low Humidity
Alarm Relay 9CR when the programmed low limit humidity level is reached. Corresponding Low Humidity
and High Humidity lights will illuminate and an audio alarm will sound.
When either the high or low limit alarm circuit triggers the audio alarm, the audio alarm can be silenced by
pressing the Alarm Silence pushbutton. The Alarm Silence circuitry will automatically reset when the out of
limit condition returns to normal.
15.0
DRY AIR SYSTEM FOR DEHUMIDIFICATION (Optional for -3 & -4 Models)
Note: Refer to the Installation Instructions Section for supply and connection type specifications.
As an option, your chamber may be equipped with a dry air system, which permits dehumidification to dew
point levels below those attainable with a refrigerated dehumidification coil. The system uses a heatless
desiccant dryer that is operated by a compressed air supply to generate the dry air. This system is described
below.
The dryer is a twin tower heatless desiccant type that is selfregenerating. Each desiccant tower (chamber) contains a
compression packed molecular sieve. As the compressed air
passes through the sieve, moisture is picked up by the desiccant.
The dried air is released through an outlet port and injected into
the test chamber's conditioning airflow through solenoid valve
SV4. A small portion of the dried air is passed through a sized
orifice to the other tower to purge the desiccant of moisture
collected during the previous cycle. There are four distinct phases
of the heatless dryer where the compressed air is alternately
cycled and dried in each of the two desiccant towers. Integral
timers and solenoid valves within the dryer control this operation.
Operation:
The Dehumidify Switch S6 must be closed to energize the air
dryer and to enable the controller dehumidification output. During
operation, the time-proportioned output C2-02 of the Watlow 96
Controller will energize and open the Dehumidify solenoid valve
SV4 to permit the injection of dry air into the chamber. The
Dehumidify ON light will also illuminate.
Heatless Desiccant Dryer
Note: Your equipment configuration may be slightly different from what is shown.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
16.0
CHART RECORDER
(Optional for all models)
As an option, your chamber may be provided with either a circular or strip type chart recorder to record
temperature versus time. This recorder is typically a one pen type which also digitally displays the process
value. A 100 ohm Platinum RTD sensor is used for temperature measurement. The sensor is normally
placed in the right side duct wall.
The recorder configuration is documented in the Test Report, which is located in the Supplemental
Instructions Section. For complete details on the operation of the recorder, please reference the recorder’s
user’s manual, which is located in the same section.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
17.0
SEQUENCE OF OPERATION
IMPORTANT! Make sure the Installation Instructions have been properly followed before operating the
chamber. Make sure all external switches are in the OFF position before performing the
sequence below.
IMPORTANT! With the light banks installed, you can only operate the chamber in the following
conditions.
Temperature Range: +20° C to +35° C, with a Humidity Level Less than 50% RH
1. Turn on the power source to the chamber and close the Main Power Switch. The display of the main
controller(s) and the Main Power On light should be illuminated. The circulation blower(s) should be
running.
2. Load product and make sure the chamber door is securely closed.
3. For heating control, enter the desired temperature setpoint into the Temperature Controller C1. Enter
your high limit and low limit (-2 & -4 Models) alarm setpoints into C1.
4. For cooling control with all -2 and -4 Models, close the Refrigeration Switch when your temperature
setpoint is below 37° C, or when pulling the chamber temperature down from a high level.
The Refrigeration ON light should illuminate. If this light does not illuminate, the cooling system is in the
defrost cycle. Cooling will resume when the defrost cycle ends.
5. For humidity control with the -3 and -4 Models, close the Humidity Switch and enter the desired
humidity setpoint into the Humidity Controller C2. If your chamber employs the Humidity Alarm option,
enter your high limit and low limit alarm setpoints into C2.
6. Photostability Feature: To enable each Photostability Test System provided, close the appropriate
Light Switch on the control panel. Enter the light intensity setpoint into the Watlow 96 Photostability
Controller.
7. If your chamber includes any options, please reference the appropriate “Optional” section for further
details.
Important Note! For complete programming and/or operating instructions on any of the controllers,
electrical / mechanical components, or optional equipment, you must refer to their operating manuals
included with your Lunaire Environmental manual.
CONTROL PANEL
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
18.0
PREVENTATIVE MAINTENANCE
Only qualified service personnel should ever be permitted to perform any service related
procedure on this chamber!
Disconnect and Lock-Out / Tag-Out all electrical power from the facility at its source
before servicing or cleaning.
Frequency of preventive maintenance procedures depends upon how the facility is used and upon other
circumstances. Because of this, a hard and fast schedule of maintenance operations is difficult to present.
Indeed, an inflexible schedule might be suitable for one user, but completely inadequate for another.
Therefore, we have provided periodic figures when to perform maintenance procedures, based on the
average chamber use.
We suggest that you maintain a preventive maintenance log. In this log you will record operating notes,
pressures, temperatures, and electric readings. The log is valuable because it will help maintenance and
service people by documenting long term trends and by showing parameter levels when the chamber is
operating properly.
Since the refrigeration system is sealed and the instruments are solid state, little maintenance is required on
the temperature chamber. However, the following preventive maintenance steps are suggested.
18.1
Maintenance Checks / Procedures
All interlocks and safety features should be tested periodically for proper operation.
Door Gaskets:
Inspect the door gaskets for wear (cracks, tears, etc.). Replace gasket if significant wear is evident.
Inspection Period: 30 Days
Door Sealing Quality:
Check that the door seals evenly around its perimeter to negate thermal loss. Adjust door latch if necessary.
Inspection Period: 30 Days
Air-Cooled Condenser Coil / Fan:
Remove All Power From Chamber!
Inspect the condenser coil for dust or dirt accumulation that would impede the flow of air (-2 and -4 Models).
A dirty condenser will decrease system efficiency and drive up compressor head pressure, causing it to trip
out. If necessary, clean with a brush or vacuum cleaner. Frequency of cleaning depends upon the air quality
at the chamber. The condenser fan should also be checked for cleanliness. Make sure the fan spins freely.
Inspection Period: 30 Days
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
Conditioner Blower Wheel:
Remove All Power From Chamber!
Inspect and clean the conditioner fan in the conditioning plenum. Make sure the fan spins freely and that it is
tight on its shaft.
Inspection Period: 6 Months
Evaporator Cooling Coil:
Remove All Power From Chamber!
Clean the evaporator cooling coil in the conditioning plenum.
Inspection Period: 6 Months
General Electrical Connections:
Remove All Power From Chamber!
Inspect inside the control panel and the machinery compartment for loose electrical connections, frayed
wires, loose components, or other potential problems.
Inspection Period: 6 Months
Electric Heater(s):
Remove All Power From Chamber!
Inspect the electric heater(s) inside the chamber conditioning plenum and look for defects.
Inspection Period: 6 Months
Electrical Supply Voltage:
Measure the power supply voltage to your oven and verify that it is within the ±10% tolerance established for
the nameplate rating of your oven.
Inspection Period: 6 Months
Controller Calibration:
The main temperature and high limit controllers should be checked for temperature indicating accuracy, and
for the proper activation of limit or alarm outputs. Please reference the controller user manual for more
information.
Inspection Period: 1 Year
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
Cleaning The Unit:
Remove All Power From Chamber!
We recommend cleaning with soap and water or alcohol. After cleaning, a laboratory disinfectant should be
used to finish. Removal of shelves, and side panels is typical.
Plenum (Conditioning Section): When all the shelves have been removed, the plenum may be taken out.
First extract the three screws in front of and just below the gasket. Then disconnect the plenum drain hose (if
provided). Finish this step by sliding the plenum toward the front of the unit until it is completely out.
Side Panels: The side panels are held in place by four stainless steel nuts. To remove the panels, remove
the four nuts on each side panel. Swing the bottom of panels toward the center of the unit and remove.
Important Note: For complete preventative maintenance instructions or equipment maintenance
instructions on any of the instruments, electrical or mechanical components, or electrical / mechanical
machinery and motors, you must refer to their operating manuals included with your Tenney, or Lunaire
Environmental manual. The smaller manuals and vendor cut-sheets are located in the Supplemental
Instructions Section. Any large manuals that could not fit into this 3-ring blue binder are sent alongside of it.
Notes:
ƒ
The refrigeration system is permanently sealed and a periodic oil change is NOT required.
ƒ
If a loss of cooling performance is noted, immediately check the condenser for restricted air flow.
ƒ
All motors are permanently lubricated; therefore, greasing or oiling is not required.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
18.2
Vapor-Flo Humidifier Maintenance & Troubleshooting
Only qualified service personnel should ever be permitted to perform any service related
procedure on this chamber!
Maintenance:
ƒ
Pull back the bell jar insulation and inspect the float, heater and jar. When they appear encrusted with
salts and scale, clean the assembly (described below). Inspection Period: Every 2 weeks
ƒ
Drain the bell jar assembly completely to remove any concentrated impurities. This is achieved by
opening the drain valve at the rear of the Vapo-Flo. Inspection Period: Every 2 to 4 weeks
Cleaning:
Disconnect all power from the chamber. Shut off the water supply. Drain the bell jar. Remove the bell jar as
described below and gently wipe the inside of the glass with a mild cleaner. Carefully clean any water
deposits from the heater assembly. Rinse the glass thoroughly and replace as described below.
Removing the Bell Jar:
Remove the Armaflex insulating sleeve by sliding it over the end of the bell jar. Spin off the four wing nuts top one last. Slip off the outer ring flange and then remove the glass jar. The immersion heater, thermostat
element, float, and float valve are now exposed. Usually, the bell jar flange will adhere to the humidifier
bracket. LOOSEN IT GENTLY. Prying with a screwdriver may chip or break the glass.
Reassembling the Bell Jar:
When reassembling, smear a thin coat of silicone grease on the bell jar's ground flange to prevent its sticking
to the gasket. Tighten the four wing nuts finger tight only: Do not use pliers.
Trouble Shooting:
Generator will not deliver vapor: Make sure the water level in the bell jar is approximately 1” above the
immersion heater. Measure voltage on immersion heater. Heater terminals can be accessed in the electrical
box on the rear of the Vapor-Flo.
Immersion heater cycles on and off: This is usually an indication of low water level. Be sure water supply is
adequate. Clean the water inlet valve and washer of contamination. Flush and clean the bell jar. Finally,
adjust the float so that water level is about 1" above the immersion heater. You may have to bend the float
arm slightly. Careful! Do not damage the float. If the element still cycles, replace the thermostat assembly.
Wind the sensing element on the immersion heater approximately as the original was wound.
Water continually runs or dribbles from over-flow: The float valve is leaking. Shut off water. Remove the bell
jar insulating sleeve and bell jar. Remove and disassemble the float valve. Shake the float. If it is waterlogged, replace it. Clean the valve and reassemble. If the valve still leaks after cleaning, replace the Viton
seal.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
Humidifier operates but vapor volume is low: Examine the humidity feed line and remove any obstruction.
Thoroughly clean the immersion heater. Be sure the water level is approximately 1" above the immersion
heater.
Check the optional reservoir water level, which should be just below the top inlet port. The Viton seal may
need replaced if the water level is too far above this level.
Measure the immersion heater's resistance. Unusually high resistance would indicate lack of heating power.
With the Vapor-Flo unit operating, measure voltage at the immersion heater terminals. The voltage should be
no lower than 10% below nominal. (Chief cause of low immersion heater voltage is an inadequate power
cord.)
Immersion Heater Resistance:
The Heater Resistance Table is provided to identify shorted
or open elements and to identify heater size. Resistance
values are those at 75 degrees Fahrenheit and may vary
by 15% or more without falling out of tolerance. Heater
terminals can be accessed in the electrical box on the rear
of the Vapor-Flo.
Important! The Vapor-Flo Generator should be drained
before checking heater resistance. This prevents
erroneous readings that may occur from a shorted element.
HEATER RESISTANCE
Heater
NOMINAL RESISTANCE
300 Watt
115 Volt
43 Ohm
750 Watt
220 Volt
63 Ohm
1,000 Watt
220 Volt
47 Ohm
1,500 Watt
220 Volt
31 Ohm
2,000 Watt
220 Volt
24 Ohm
3,000 Watt
220 Volt
16 Ohm
Spare Parts:
Complete spare parts are available from the TPS Service Department. When you order, please specify the
model and serial number of the equipment served by your Vapor-Flo Humidity Generator.
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
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LUNAIRE ENVIRONMENTAL
18.3
Preventative Maintenance Schedule / Log
Important: For each of the items to be inspected, refer to item description sections for details on
maintenance and service.
PREVENTATIVE MAINTENANCE SCHEDULE / LOG
ITEM TO BE
INSPECTED
Inspection Period
Door Gaskets
30 Days
Door Sealing Quality
30 Days
Condenser Coil / Fan
30 Days
Conditioner Blower
Wheel
6 Months
Evaporator Cooling Coil
6 Months
General Electrical
Connections
6 Months
Electric Heaters
6 Months
Electrical Supply
Voltage
6 Months
Main Temperature
Controller Calibration
1 Year
Vapor-Flo Bell Jar
2 Weeks
Drain Vapor-Flo Bell Jar
2 to 4 Weeks
Photostability Test Chambers,
Actual Date
Inspected /
Serviced
Actual Date
Inspected /
Serviced
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Actual Date
Inspected /
Serviced
Actual Date
Inspected /
Serviced
Page 46
LUNAIRE ENVIRONMENTAL
SUPPLEMENTAL INSTRUCTIONS
Photostability Test Chambers,
Models CEO9xx - 1,- 2,- 3,- 4 - PH: W96s
Page 47