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Supplemental Manual 

 

 

High- 

IsoDry™ RH Control System

 

© 

Copyright 2017 Terra Universal Inc.  All rights reserved • Revised November 2020 • Document No. 1788-26 

Terra Universal, Inc.  •  TerraUniversal.com  •  800 S. Raymond Ave.  •  Fullerton, CA  92831  •  TEL: (714) 578-6000  •  FAX: (714) 578-6020 

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7.0

 

Warranty 

 

Products Manufactured by Terra:

  Terra Universal, Inc., warrants products that it manufactures to be free from 

defects for a period of 12 months for parts and 90 days for labor, commencing from the date of shipment. Terra’s sole 

responsibility is to repair or replace, at its option, any part of the product that proves defective or malfunctioning 

during this time limit. In some cases, components incorporated in Terra Universal products are covered by additional 

warranties from component manufacturers; obtain specific information from Terra  sales representatives. This 

warranty is void if the equipment is abused or modified by the customer, is operated outside Terra’s operating 

instructions or specifications, or is used in any application other than that for which it is specified. This warranty does 

not include routine maintenance or service procedures, breakage of quartz baths after 60 days, shipping damage, nor 

damage from misuse, intentional or unintentional abuse, neglect, natural disasters, or acts of God.   

 

 

Products Manufactured by Others:

  Terra Universal, Inc., warrants that, to the best of its ability, Terra’s 

representations of products that are manufactured by others reflect the manufacturer’s representations, subject to 

change without notice. Sole warranty for these products is the original manufacturer’s warranty that is passed forward 

to the purchaser and constitutes the customer’s sole remedy for these products. Detailed warranties for distributed 

products are available through Terra sales representatives. 

 

Freight Shortage or Damage:

 Upon receipt of any equipment from Terra Universal, Inc., customer shall immediately 

unpack and inspect for damage or shortage. The customer shall not accept a damaged package or a short shipment 

until the carrier makes a "damage or shortage" notation on both the carrier's and customer's copy of the freight bill or 

delivery receipt. Service title passes when the shipment is loaded, so customer is responsible for filing and collecting 

a freight claim. Any replacement products must be ordered and paid for separately. For Terra's "Policy and 

Procedures for Returning Goods," see Terra's Internet site: www.TerraUniversal.com. 

 

Generally, customers can improve the chance of collecting on a freight claim by following these procedures: 1) 

formally requesting that the carrier inspect the shipment immediately upon suspecting damage or shortage to verify 

condition; 2) notifying the carrier upon discovery of concealed damage and requesting an inspection within 15 days of 

receipt, both in person or phone and following up via mail; 3) keeping the shipment as intact as possible, including 

retaining original packaging materials and keeping the product as close to the original receiving location as possible; 

4) holding salvage for disposition by the carrier. 

 

All Claims:

  Terra Universal expressly disclaims all other warranties, expressed or implied or implied by statute, 

including the warranties of merchantability or fitness for intended use. Terra Universal is not responsible for 

consequential or incidental damages arising out of the purchase or use of the products supplied by Terra Universal. 

Terra Universal is not liable for damage to facilities, other equipment, products, property or personnel of others, or of 

their agents, suppliers, or affiliated parties, which is caused or alleged to have been caused by products supplied by 

Terra Universal. In any event or series of events, Terra Universal’s total liability for any and all damages whatsoever 

is limited to the lesser of the actual damages or the original invoice cost of the items alleged to have caused the 

damage. The customer’s sole and exclusive remedy for any cause of action whatsoever is repair or replacement of 

the non-conforming products or refund of the actual purchase price, at the sole option of Terra Universal. All claims 

must be made in writing within 90 days of the date the product was shipped. Any claims not made within this time limit 

shall be deemed waived by the customer. Terra Universal is not responsible for any additional costs of repair caused 

by poor packaging or in-shipment damage during return. 

 

Warranty Returns:

 All warranty returns must be authorized in advance by Terra Universal and approved under an 

RMA. Unless approved in advance for good reason, all returns must be in original condition, including all manuals, 

and must be packaged in original packaging materials. All returned goods are to be shipped to Terra Universal, freight 

prepaid at customer’s expense. See Terra’s “Policy and Procedure for Returned Goods.” 

 

Thank you for ordering from 

Terra Universal! 

Содержание IsoDry

Страница 1: ...ent No 1788 26 IsoDry RH Control System Copyright 2017 Terra Universal Inc All rights reserved Revised November 2020 Terra Universal Inc TerraUniversal com 800 S Raymond Ave Fullerton CA 92831 TEL 714 578 6000 FAX 714 578 6020 ...

Страница 2: ...ons for the Adjust A Shelf Cabinet Dual Purge or NitroWatch refer to Doc 1800 40 Desiccators and RH Controllers NOTE Proprietary Notice This manual pertains to proprietary devices manufactured by Terra Universal Inc Neither this document nor any portion of it may be reproduced in any way without prior written permission from Terra Universal Terra Universal makes no warranties applying to informati...

Страница 3: ...1 The IsoDry Desiccator Cabinet 2 The IsoDry Dual Purge 3 The IsoDry NitroWatch 4 The IsoDry Gas Dilution Module IsoDry Dual Purge System The Dual Purge System controls the nitrogen gas input The system provides two levels of nitrogen purging to protect your stored materials Low level purge and high level purge Low level purge maintains the minimum pressurization necessary to block out moisture an...

Страница 4: ...ensor is capable of measuring humidity over the entire humidity range from 0 to 100 RH with an accuracy of 2 RH at a temperature of 68 F The voltage output of the sensor is directly proportional to the humidity A 3 prong connector allows easy connection of the sensor to the Control Unit The Control Unit provides the indicators and controls necessary to set the desired humidity level and to measure...

Страница 5: ...tch draws its power from the Dual Purge System and will not operate unless the Dual Purge System is plugged in and turned ON NOTE 1 Plug one end of the low voltage phone cable into the Purge Control jack on the back of the Dual Purge and plug the other end into the Purge Control jack on the back of the NitroWatch 2 Plug the 5 pin cable into the RH sensor jack on the back of the NitroWatch and conn...

Страница 6: ...6 Terra Universal Inc TerraUniversal com 800 S Raymond Ave Fullerton CA 92831 TEL 714 578 6000 FAX 714 578 6020 6 IsoDry System Setup Rear View RH Sensor Out Purge Control Gas Out Internal Pressure 5 pin Connector IsoDry Fan Power IsoDry Fan Speed Adjustment Gas In Power Supply IsoDry Gas Dilution Module To Nitrogen Supply To 120VAC Power Source ...

Страница 7: ...e remains active after door is closed default 5 If operating the Dual Purge without a NitroWatch you should increase this setting to 60 door After switching to high purge the number of seconds to delay before turning on the beeper alarm beeP State of the BEEPER enable default ON Glo Activates GLOVE BOX control mode Press UP to turn ON and proceed to glove box pressure setting DOWN to turn OFF defa...

Страница 8: ...inet The flowmeter also ensures uninterrupted nitrogen flow if power or system electronics ever fail If continuous purging is desired open the flowmeter to 5 10 SCFH depending on chamber size This is recommended if you require a very low humidity set point less than 10 RH or if doors are frequently opened Continuous purging will tend to drive the RH level very low If continuous purging is not requ...

Страница 9: ... SET button 2 Adjust Humidity Set Point After completing initial programming press the SET button to view the current RH set point default setting 15 Use the UP DOWN keys to change this set point Wait for a couple seconds without pressing any buttons to save the new set point 3 Beeper Silencing Press any front panel button to silence the beeper during an alarm condition The NitroWatch will now act...

Страница 10: ...sts or if you encounter any problems not described below call Terra Universal for additional assistance Do not attempt to disassemble any of the modules Contact Terra for assistance WARNING PROBLEM System won t turn on POSSIBLE SOLUTIONS 1 Make sure that the power cord of the Dual Purge System is plugged into an appropriate outlet and that the two telephone cables to the NitroWatch and desiccator ...

Страница 11: ...un the risk of pressure build ups PROBLEM The system constantly switches between high and low purge POSSIBLE SOLUTIONS 1 Make sure that all access doors are fully closed Check door seals for leaks 2 You should increase the flowmeter setting until the Dual Purge System maintains a humidity level a few percent below the set point without switching to the high level purge PROBLEM The desiccator is le...

Страница 12: ...ra Universal PROBLEM The NitroWatch delivers a low pressure alarm POSSIBLE SOLUTIONS 1 Turn off the Dual Purge system using the back switch 2 Disconnect the N2 gas line 3 Open the flowmeter and regulator 4 Simultaneously press and hold the Set and Up buttons while turning on the Dual Purge system The display will show CAL Press Set to proceed to the next setting 5 Set under the CAL menu a Prg1 to ...

Страница 13: ... Gas Inlet Pressure 50 psi IsoDry NitroWatch Operating Temperature 50 F to 140 F Dimensions 11 W x 6 D x 3 H Power Requirements 12 VDC Supplied by Dual Purge Sensor Dimensions 11 2 x x 4 Case Material Stainless steel Display 3 digit LED display Electrical Connections Screw terminals Output 0 5 V Measuring Range 0 100 RH Accuracy at 20 C 2 RH Display Resolution 0 1 RH Temp Dependence 0 04 RH C Sens...

Страница 14: ...rately For Terra s Policy and Procedures for Returning Goods see Terra s Internet site www TerraUniversal com Generally customers can improve the chance of collecting on a freight claim by following these procedures 1 formally requesting that the carrier inspect the shipment immediately upon suspecting damage or shortage to verify condition 2 notifying the carrier upon discovery of concealed damag...

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