TestEquity 123HS Operation And Service Manual Download Page 53

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Electrical Subpanel Component Location

Purge Subpanel (optional)

Main Subpanel

Summary of Contents for 123HS

Page 1: ...September 19 2017 Model 123HS Temperature Humidity Chamber Operation and Service Manual TestEquity LLC 6100 Condor Drive Moorpark CA 93021 Support 877 512 3457 Toll Free 805 480 0638 Corporate 800 732...

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Page 3: ...idity Mode Enable__________________________________________________________________ 3 6 Standard Humidity Range________________________________________________________________ 3 6 Humidity Mode Consid...

Page 4: ...__________________________ 7 9 Theory of Operation_____________________________________________________________7 10 Overview____________________________________________________________________________...

Page 5: ...l hazard symbol 2 precedes an electric shock hazard CAUTION or WARNING statement Installation Safety Notices 2 WARNING The power cord is equipped with a NEMA 5 20P grounded polarized plug To prevent a...

Page 6: ...his could occur if your test sample exceeds the live load rating of the chamber or if the chamber s refrigeration system fails This chamber has a set of contacts that can be used to remove power to yo...

Page 7: ...remove the retainer Keep in mind that there is also Velcro that holds the retainer in place Place the retainer in the front of the pallet on the floor 5 Locate the two ramps under the chamber and remo...

Page 8: ...a high temperature The chamber must be on a solid and level floor Allow enough space around the chamber to permit serviceability and the removal of the service access panels which are located on each...

Page 9: ...system using ordinary tap water Condensate from the chamber is returned back to the water tank The water pump runs continuously when the humidity system is enabled keeping the supply line pressurized...

Page 10: ...ctions to chamber Plug the pump power supply into receptacle on the back of the chamber The drain tube from the chamber must not be submerged in the water Bottom of Filter Top of Filter Clamp Clamp Re...

Page 11: ...T Temperature Humidity Controller manual for details on how to use the Controller Summary of Chamber Operation 1 Turn the Power Switch ON 2 Enter the appropriate high and low temperature safety limits...

Page 12: ...ight The LIGHT Switch illuminates when it is ON HEAT Light The HEAT Light will illuminate when the Temperature Controller turns on the heater to maintain the workspace temperature The HEAT Light will...

Page 13: ...The HUMIDITY Light will cycle on off as the workspace humidity approaches and reaches the humidity set point Note that the HUMIDITY ENABLE must be ON the chamber workspace must be between 7 C and 90 C...

Page 14: ...s refrigeration system fails This chamber has a set of contacts that can be used to remove power to your test sample if the Limit Controller s temperature limits are exceeded CAUTION To prevent damage...

Page 15: ...use the humidity system to control moisture at low temperatures The humidity system is disabled below 7 C However if you have a source of GN2 gaseous nitrogen or Dry Air you can use the Purge system...

Page 16: ...lean dry chamber For extended low humidity range below 6 C a dew point condition see Purge Option which follows The F4 F4T will automatically disable the humidity system below 7 C and above 90 C to pr...

Page 17: ...en the chamber door with the GN2 flowing GN2 Gaseous Nitrogen Installation Option TE 1239 Connect a supply of GN2 with a maximum pressure of 100 psig to the 1 4 inch FPT fitting which is designated PU...

Page 18: ...ecessary For low humidity control below 10 C Turn Event 2 HUMIDITY OFF and Event 3 PURGE ON The Purge System will continue to provide controlled dehumidification even though the humidity system is dis...

Page 19: ...Assembly Option TE 1235 The optional Event Assembly contains four solid state relays to control AC operated devices such as power to a test sample The solid state relays are rated for 24 to 240 VAC 5...

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Page 21: ...d is written by the manufacturer Watlow for a wide variety of applications and configurations Not all features or functions are applicable Only the capabilities of a model PM6L1AJ AAAABAA are applicab...

Page 22: ...than your actual chamber temperature set point to prevent nuisance tripping 5 Press the RESET Key to return to the Home Page 6 The upper display will show the actual chamber temperature while the lowe...

Page 23: ...ove power to your test sample if the Limit Controller s temperature limits are exceeded The safety contacts are rated as follows Resistive 10 A 250 VAC or 10 A 28 VDC Inductive 7 A 250 VAC To access t...

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Page 25: ...s operating properly by following the procedure in How to verify the chamber performance How can I modify the chamber to cool faster Unfortunately there is little you can do to improve upon the design...

Page 26: ...cy This is the ability of the F4 F4T Controller to accurately display a temperature measurement when compared to a standard The controller display accuracy is 1 66 C However the total measurement accu...

Page 27: ...o check if the one you would like to use is qualified Can Should I put a filter in front of the condenser air inlet No TestEquity does not recommend this Just follow the maintenance procedures and cle...

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Page 29: ...in 14 min 23 min 27 min 45 min ultimate Note Transition times are measured after a 2 hour soak at the respective start temperature with an empty chamber as indicated on the temperature controller 23 C...

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Page 31: ...d Clean chamber interior and exterior Listen for abnormal noise or vibration Inspect the demineralizer cartridge if provided Every 3 Months Inspect the door seal Inspect the refrigeration machinery co...

Page 32: ...ses Being able to recognize changes from normal operating noises can be a valuable way to identify problems and prevent further damage Examples of noises to be aware of include Circulator motor and fa...

Page 33: ...a refrigerant line which could break 1 Unplug the chamber from the power source 2 Remove the side and rear panels 3 Inspect for signs of water leaks 4 Inspect for signs of refrigeration tubing abrasi...

Page 34: ...begin controlling Heat Light cycles ON OFF within 12 minutes The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than a few tenths of a deg...

Page 35: ...OFF within 7 minutes 5 The chamber temperature should slowly increase and stabilize to 85 C It should NOT overshoot beyond 85 C by more than 1 0 C and the compressor should NOT need to turn ON at this...

Page 36: ...r Recirculation System Reservoir 1 This procedure drains the water in the recirculation system only not the vapor generator 2 If the chamber is running a humidity test turn it off Otherwise this task...

Page 37: ...e lower rear panel 5 Open the Drain Valve by turning its handle 90 degrees counter clockwise as if you were facing the front of the valve handle Water will come out of the Drain fitting on the back of...

Page 38: ...in the chamber and adjusting the temperature controller s calibration to correct for these errors is incorrect The correct way to adjust what the temperature controller displays compared to what is me...

Page 39: ...or calibration at all humidity conditions that the chamber is capable of achieving For the F4 Controller If calibration of the controller is necessary refer to the F4 Temperature Humidity Controller U...

Page 40: ...s external to the humidifier tank The immersion heater has an embedded thermocouple which is connected to Input 3 of the F4 F4T Controller to control an Alarm output This provides failsafe protection...

Page 41: ...n front panel is OFF both compressors are OFF 2 Setpoint is low than chamber temperature but F4 DigitalOut 8 F4T Compressor Output is not ON 3 If the Cool light is ON compressors are ON 1 Pressure swi...

Page 42: ...ol parameters in F4 F4T Controller are as shipped from TestEquity and only occurs in cool mode 1 Re enter values as shipped from TestEquity 2 Control parameters may need to be changed for your unique...

Page 43: ...recommend charging the system by relying on a clear sight glass only Although a clear sight glass generally means the system is fully charged it can be misleading For example if the system is charged...

Page 44: ...eing out of service for even one day then you should purchase critical spare parts in advance Although most parts are standard and available from a variety of local distributors some parts are either...

Page 45: ...1K000FE02 R1 200295 1 ea Humidity Sensor Vaisala HMM100 RHS 200320 1 ea Relay Solid State 10A 24VDC In Omron G3NE 210T US DC24 SSR1 3 200177 3 ea Relay Solid State 10A 5VDC in Omron G3NE 210T US DC5 S...

Page 46: ...ohnson Controls P20DB 1D 8 100341 1 ea Hot Gas Bypass Regulator Sporlan ADRI 1 4 0 55 9 100497 1 ea Evaporator CUSTOM 100504 15 100504 1 ea Orifice for 100471 Danfoss 068U1033 goes into 068U2317 p o 3...

Page 47: ...L Sd Limit Sides both Alt high High only or LoW Low only L hY Limit Hysteresis 2 Change not recommended A ty Alarm Type oFF Do Not Change PAr1 Upper Display ACPu Alt none PAr2 Lower Display Lst Alt Lh...

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Page 49: ...anty by requiring the Purchaser to return the Equipment to TestEquity when such return is feasible The following parts are excluded from this limited warranty and are sold as is or are considered expe...

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Page 51: ...Chapter 9 Drawings TestEquity 123HS Temperature Humidity Chamber Page 9 1 Chapter 9 Drawings...

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Page 53: ...Electrical Subpanel Component Location Purge Subpanel optional Main Subpanel...

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