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ETS 5506-00, Operating Manual

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23

 
 
 
 
 
 
 
 
 
 
 
 

Figure 3.2-5: Front panel removal 

 

If the fuse/relay procedure does not fix the problem then replace 
U1 (MC1458) and recheck the system. If the system still fails to 
operate, return the unit to the factory for repair. 

 

6.  Unit reads either 0 or over 100% with sensor installed. - Sensor 

is defective. Replace sensor. 

 

If any components are replaced the system should be recalibrated 
as set forth in Section 3.2.5. 

 

3.2.7 Specifications 

 

3.2.7.1 Model 5112 

 

 

 
Sensor type: 

Temp compensated, capacitive film 

Range:  

Adjustable: 0-100% RH 

Accuracy: 

±

3% RH 

Lo/Hi band: 

2% RH below set pt / 2% RH above set pt 

Set pt adjust: 

22-turn screw driver adjust potentiometer 

Manual control: 

Dehumidify ON/OFF pushbutton switch 

Display:

 3½-digit LCD  

Resolution: 

0.1% RH (

±

1 digit) 

Control Out: 

3 Amp solid state relay 

Power req.: 

90-260 VAC, 50/60Hz, 700W max 

Dimensions: 

3.78”Wx3.78”Hx3.35”D  (DIN 43700, 9.6x9.6x8.5 cm) 

 

3.2.7.2 Pump 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Capacity (free air):

 1200 cubic inch/minute 

RPM:

 1550 

Power:

 115 VAC/60 Hz,  1.5 Amps 

230 VAC/50 Hz, 0.75 Amps 

Summary of Contents for 5506-00

Page 1: ...CONTROLLED ENVIRONMENT CHAMBER Model 5506 00 5506 11 Plus Packages D E Operating Manual 3 07 www electrotechsystems com ...

Page 2: ...kage D 6 3 1 1 Description 7 3 1 2 System Function 8 3 1 3 Installation 8 3 1 4 Operation 10 3 1 5 Calibration 10 3 1 6 Troubleshooting 11 3 1 6 Specifications 11 3 2 Package E 12 3 2 1 Description 12 3 2 2 System Function 16 3 2 3 Installation 17 3 2 4 Operation 19 3 2 5 Calibration 20 3 2 6 Troubleshooting 21 3 2 7 Specifications 23 3 2 8 Model 5465 Dry Gas Dehumidification System Optional 24 3 ...

Page 3: ...1 1 1 Figure 1 1 1 Model 5506 11 1 2 Standard Packages The ability of the chamber to reach and then hold a given humidity level along with humidity gradients is a function of the chamber size configuration etc temperature operating systems and controllers used The following packages provide solutions to most dehumidification applications Chambers can also be custom configured to meet special user ...

Page 4: ...rimarily used for storage or single use applications Material Fan 32 cfm 900 l min 6mm clear acrylic front top Specify 115 or 230VAC 6mm white rear side bottom Access Ports left side 3 8 9mm white left side 2x 6mm hose barbs 1x1 25 4mm Hose barb Construction 1x 12mm compression fitting 6 panel PS30 welded seams 1x1 31 4mm cable pass through Door left side Dimensions 24 Wx18 Dx15 H 12mm clear acryl...

Page 5: ...ot part of Pkg E Figure 1 2 2 Package E Dehumidification System 1 3 Unpacking Figure 1 3 3 shows the chamber in its shipping carton Unpack the chamber and accessories from the shipping cartons and inspect for any damage When handling the chamber DO NOT use any of the fittings or the door handle as a grip or for leverage Lift the chamber by placing your hand all the way into the glove port and grab...

Page 6: ... Manual Model 5506 11 1 Chamber with glove ports 8 203mm gloves 12 x12 30x30cm door with gasket seal inlet outlet ports for accessories 2 Pliable sealer 3 Operating Manual Model 5506 00 Package D 1 Chamber 2 Model 5311 Controlled Valve assembly 3 Pliable sealer 4 Operating Manual Model 5506 00 Package E 1 Chamber 2 Model 5461 Desiccant Pump Dehumidification System Includes pump 110 or 220 VAC desi...

Page 7: ...ated on the left hand side of the chamber as shown in Figure 2 0 1 Additional holes may be positioned elsewhere as an option Figure 2 0 1 Chamber access door and fittings The humidity level within the chamber is reduced using either dry gas usually dry nitrogen or dry air injected into the chamber or a desiccant pump drying system The desiccator contains a self indicating renewable drying agent An...

Page 8: ... reached the controller turns off the valve or pump The valve or pump then cycles on and off automatically as required by the controller to maintain the humidity level at the desired set point 3 1 Package D Many applications require the accurate control of relative humidity at a specific point below ambient for long term storage or test applications Package D incorporates the Model 5311 Controlled...

Page 9: ...ogrammed at the factory to produce a digital output around a pre selected set point The standard factory setting is 5 RH Other fixed RH set points are available as an option Contact ETS to order The sensor is mounted to the wall of the chamber using the NPT compression fitting shown in Figure 3 1 1 Other mounting configurations can also be used to meet the user s specific requirement Figure 3 1 1 ...

Page 10: ...f dry gas The valve will then cycle on and off automatically as required by the Controller to maintain the specified humidity level A 12V DC universal power module is used to power the Model 5311 It operates from 90 260 VAC 50 60 Hz For international applications the user will have to provide the appropriate adapter plug to convert the standard North American 2 prong plug to mate with the availabl...

Page 11: ...ent be touched The sensor should never be cleaned using compressed air Dust and dirt particles can be removed by blowing gently There are no user serviceable parts in the Model 5311 sensor The Control Unit may be installed either directly onto the chamber wall using the fitted 2 5cm long NPT threaded tube with NPT nylon adapter or located remotely and connected to the chamber using the polyflo tub...

Page 12: ...id valve may be indicative of a poor chamber seal The chamber should be thoroughly inspected to determine where the leak s are occurring and the problem corrected 3 1 5 Calibration The Model 5311 Controller is calibrated prior to leaving the factory There are no user adjustable controls Calibration can be checked by placing a calibrated humidity indicator in the chamber next to the sensor to obser...

Page 13: ...eturn the unit to the factory for replacement 5 Difficulty maintaining low humidity within the chamber The chamber may either be leaking ambient humidity may be very high or the flow rate is too low Generally with a dry gas system the humidity within the chamber should recover and stabilize within a few minutes If this is not happening try increasing the flow rate Also check to ensure that dry gas...

Page 14: ... used 3 2 1 Description 3 2 1 1 Model 5112 Dehumidifier Controller The Model 5112 Dehumidifier Controller shown in Figure 3 2 1 consists of two 2 basic components a Humidity Sensor and a Control Unit Figure 3 2 1 Model 5112 Dehumidifier Controller The standard Humidity Sensor is an integrated unit measuring approximately1 Lx 44 Wx 375 D 25x11x10mm that plugs into a 24 61cm multi conductor cable th...

Page 15: ...e readout displays the measured relative humidity level In the depressed position the readout displays the desired humidity set point When released it automatically returns to the READ position A 10 turn screwdriver adjustable potentiometer is used to adjust the set point from 0 to 100 R H Figure 3 2 2 Control Unit front panel The Green DEHUMIDIFIER switch when in the ON position in places the sys...

Page 16: ...th the Controller Otherwise the user must use either an adapter or cut off the plug and install the appropriate type The ON OFF switch located on the rear panel controls the ON OFF status of the Controller The AC line fuse is located internally on the PC board and protects both the controller electronics and the solid state relay It is a 3AG Slo Blo type rated at 250 Volts 2 Amps The solid state r...

Page 17: ...H Calcium Sulfate however is capable of reducing the humidity to 5 RH but mechanical considerations of the chamber load and operating system limit the specified lower limit to 10 RH This Dehumidification System utilizes a pump to draw air from the chamber and circulate it through a plastic cylinder that contains Calcium Sulfate The desiccant absorbs any moisture that is in the air This dried air i...

Page 18: ...to the set point When the humidity measured in the chamber exceeds the set point the Controller turns on the pump circulating the test chamber air through the desiccator or injecting dry gas through a solenoid valve For the desiccator system the desiccant absorbs moisture thereby lowering the humidity level inside the chamber For the dry gas system the dry gas replaces the wet air that is ejected ...

Page 19: ...ambient and the Green DEHUMIDIFIER indicator should be OFF 4 The LCD reading will slowly start to increase until it reaches the ambient RH level This may take as long as 5 minutes if the ambient humidity is very high 5 Depress the READ RH SET RH Switch to the SET PT position The Display will read some level While holding the switch down in the SET PT position rotate the ADJUST Control to the desir...

Page 20: ... be removed by blowing gently There are no user serviceable parts in the Model 5112 sensor The Control Unit may be placed on any surface near the test chamber or installed into a panel 3 62 x3 6 92x92mm cutout using the optional mounting clips Installation of the Dehumidification System is as follows 1 Locate the desiccator at a convenient location near the left hand side of the chamber Place the ...

Page 21: ... approximately 5 minutes for the sensor to stabilize 2 Depress the black momentary READ SET PT pushbutton and adjust the ADJUST control for the desired R H set point as indicated on the LCD display A small 1 8 3mm wide blade screwdriver is required When the correct reading is obtained release the switch The display will then read the measured humidity level 3 If the desired humidity is lower than ...

Page 22: ...tions and the required measurement accuracy The Model 5461 does not require calibration NOTE If returning to the factory for recalibration or repair first obtain a RMA number from ETS by calling 215 887 2196 Ext 220 Calibration of the Model 5112 is performed as a complete unit Turn on the power and allow at least 5 minutes for the instrument to warm up Place the DEHUMIDIFY switch in the OFF positi...

Page 23: ... on the right hand side of the control unit as shown in Figure 3 2 4 until the correct reading is obtained A small blade screwdriver is required to perform this adjustment Figure 3 2 4 Calibration adjust potentiometer This completes calibration of the Model 5112 Dehumidifier Controller Other calibration techniques include the use of wet bulb dry bulb and chilled plate measurement Wet bulb dry bulb...

Page 24: ...should show readings approximately 0 to 100 RH If not return the unit to the factory 4 Incorrect RH set point readings Return the unit to the factory 5 No DEHUMIDIFY AC control voltage Turn on the DEHUMIDIFIER switch Read the humidity level on the LCD display Adjust the set point to that level Rotate the control at least 5 R H about this point The Green DEHUMIDIFIER indicator should come on when t...

Page 25: ... Section 3 2 5 3 2 7 Specifications 3 2 7 1 Model 5112 Sensor type Temp compensated capacitive film Range Adjustable 0 100 RH Accuracy 3 RH Lo Hi band 2 RH below set pt 2 RH above set pt Set pt adjust 22 turn screw driver adjust potentiometer Manual control Dehumidify ON OFF pushbutton switch Display 3 digit LCD Resolution 0 1 RH 1 digit Control Out 3 Amp solid state relay Power req 90 260 VAC 50 ...

Page 26: ...igure 3 2 6 Dry Gas Dehumidification System optional This is a one way system where gas is injected into the chamber to purge out the wet air The hose barb fitting on the chamber must be left open or be used to vent the nitrogen to prevent pressure build up Column Molded acrylic plastic Dimensions 2 5 8 O D x 11 3 8 Anodized aluminum cap Fitted with O Ring gasket Safe working pressures 90 psig max...

Page 27: ...te reliably for many years if maintained properly Typical service includes gloves and desiccant Listed are common replacement parts for the various operating systems and control units along with the corresponding ETS part number ITEM ETS Part 1 6 15cm Gloves 0140 00056 2 Pliable Sealer MORTITE 3 Replacement Door Gasket roll 0141 06141 4 5 lb Jar of Indicating Calcium Sulfate Desiccant 0122 00002 5...

Page 28: ...ntended This warranty to replace or repair is the only warranty either expressed or implied or provided by law and is in lieu of all other warranties and the Seller denies any other promise guarantee or warranty with respect to the equipment or accessories and in particular as to its or their suitability for the purposes of the buyer or its or their performance either quantitatively or qualitative...

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