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LIMITED WARRANTY 

 

LIMITED STANDARD PARTS ONLY WARRANTY (14 months) 
 

This Changeair product is warranted to the original purchaser to be free from defects in material and workmanship under normal use and 
maintenance, consistent with Changeair instructions or recommendations for use and maintenance, for a period of 14 months from shipping 
date. Changeair’s sole responsibility under this parts warranty will be to replace any part which fails to comply with this warranty during such 
warranty period, provided customer has promptly reported same to Changeair. A new or remanufactured part may be provided to replace any 
defective part at Changeair’s sole option. Any defective part will be replaced without charge for the part itself, FOB the shipping point. THE 
EXCHANGED PART WILL BE WARRANTED FOR ONLY THE UNEXPIRED PORTION OF THE ORIGINAL WARRANTY. NO 
REPAIR OR REPLACEMENT PURSUANT TO THIS WARRANTY WILL RENEW OR EXTEND THE LIFE OF THE WARRANTY. 
Defective parts must be returned to Changeair, transportation charges prepaid (Changeair is not responsible for any freight charges), where 
Changeair will establish to its sole satisfaction that the part was or became defective under normal use and maintenance. All replaced parts will 
become Changeair’s property. Repairs made pursuant to this warranty must be made by an authorized Changeair service agency and do not 
qualify for labor reimbursement. No reimbursement will be made for transportation, diagnosing, shipping, or handling. THIS WARRANTY 
APPLIES ONLY TO THE PRODUCT IN ITS ORIGINAL INSTALLATION LOCATION AND IS VOID IF THE PRODUCT IS 
REINSTALLED ELSEWHERE.  
 

LIMITED 3 YEAR PARTS WARRANTY ON DAMPER ACTUATORS 

 
Changeair warrants, for a period of three  years from the date of shipment, the Belimo actuators against defects in material and workmanship 
under normal use and maintenance consistent with Changeair’s instructions or recommendations for use and maintenance. Replacement parts 
will be provided under the same conditions as stated above in the limited standard parts only warranty. 
 

LIMITED 5 YEAR PARTS WARRANTY ON GAS HEAT EXCHANGER

 

 
In addition to the limited standard warranty set out above, during the second through fifth years after the date of shipment, Changeair further 
warrants the gas heat exchanger against defects in material and workmanship under normal use and maintenance consistent with Changeair’s 
instructions or recommendations for use and maintenance. A replacement heat exchanger will be provided under the same conditions as stated 
above in the limited standard parts only warranty section. 
 

 

EXTENDED & OPTIONAL WARRANTIES

 

 
Changeair offers extended warranties on the compressor, the gas heat exchanger or the complete Changeair unit at an extra cost to the customer. 
Extended  warranty  packages  may  be  purchased  through  an  authorized  Changeair  supplier  and are  available  in either  a  prorated parts  only  or 
replacement parts complete. In either case shipping and labour are the responsibility of the customer. 
 
Optional one to five year labor warranties to accompany the standard parts warranties are available at an extra cost. Repairs made pursuant to 
this  optional  warranty  will  be  made  by  an  authorized  Changeair  service  agency  and  will  qualify  for  labor  reimbursement  (to  the  service 
organization only) up to the maximum established by the Changeair flat rate schedule effective at that time. 
 

LIMITATION OF WARRANTIES 

 

These  warranties  will  not  apply  in  respect  of,  and  Changeair  will  not  under  any  circumstances  be  responsible  for,  any  failure,  deficiency  or 
defect resulting from (i) any Changeair product being improperly removed, installed, reinstalled, used, maintained or repaired by customer or 
any third party, (ii) any Changeair product not being fit for a particular purpose, (iii) the design or specifications of any Changeair product being 
unsuitable for any intended purpose, (iv) any Changeair product being operated under abnormal conditions or in any manner which is contrary 
to the instructions or recommendations of Changeair, (v) any Changeair product being modified or altered by customer or any third party, or (vi) 
accident, unusual physical or other stress

 or normal wear and tear. 

 
THE  EXPRESS  WARRANTIES  SET  OUT  HEREIN  ARE  EXCLUSIVE  AND  NO  OTHER  WARRANTIES,  REPRESENTATIONS 
OR  GUARANTEES  OF  ANY  NATURE  OR  KIND,  WHETHER  STATUTORY,  ORAL,  WRITTEN,  EXPRESS  OR  IMPLIED, 
INCLUDING  BUT  NOT  LIMITED  TO,  ANY  IMPLIED  WARRANTY  OF  MERCHANTABILITY  OR  FITNESS  FOR  A 
PARTICULAR PURPOSE, WILL APPLY.  CUSTOMER’S EXCLUSIVE REMEDIES AND CHANGEAIR’S ONLY OBLIGATIONS 
ARISING  OUT  OF  OR  IN  CONNECTION  WITH  THE  PERFORMANCE  OF  ITS  OBLIGATIONS  HEREUNDER  OR  WITH 
DEFECTIVE  OR  DEFICIENT  CHANGEAIR  PRODUCTS,  WHETHER  BASED  ON  WARRANTY,  CONTRACT,  TORT 
(INCLUDING  NEGLIGENCE  AND  GROSS  NEGLIGENCE)  OR  OTHERWISE,  WILL  BE  THOSE  EXPRESSLY  STATED 
HEREIN. 
 
 

Notwithstanding any other provision hereof, in no event will the aggregate liability of Changeair and its employees, agents, directors, officers, 
representatives  and/or  suppliers  for  all  claims,  demands,  liabilities,  losses,  actions,  damages,  expenses  and  costs  relating  to  or  resulting  or 
arising out of (i) the performance or non-performance of its obligations hereunder, or (ii) the sale, operation or use of any Changeair product 
exceed the aggregate amount paid by customer for the Changeair product. 
 

Summary of Contents for changeair Freshman Series

Page 1: ...nstallation Operation and Service Instructions Version 1 1 This manual contains instructions for installation and operation of your unit Keep it in a safe place for ready reference Freshman Series Dehumidification Classroom Air Handler ...

Page 2: ...ral UV Sequence of Operations 14 General Classroom Unit Trouble Shooting 14 15 OWNER S MANUAL INSTALLATION OPERATION AND SERVICE INSTRUCTIONS ATTENTION Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Installation and maintenance must be done by a qualified installer service agency or authorized dealer OPERATION OF UNIT DU...

Page 3: ...tallation operation and maintenance instructions will void the responsibility of Change Air Products and Services Ltd REFERENCE INFORMATION For future reference you should record the following information from the units Dealer Name ________________________________ Address ________________________________ City ________________________________ State Province ________________________________ Zip or P...

Page 4: ...pt in a writing signed by Change Air and you This warranty gives you specific legal rights and you may also have other rights which may vary from region to region Warranties LIMITED STANDARD PARTS ONLY WARRANTY 14 months This Change Air Products and Services Ltd Change Air or Change Air USA product is warranted to the original purchaser to be free from defects in material and workmanship under nor...

Page 5: ...ard parts only warranty section EXTENDED OPTIONAL WARRANTIES Changeair offers extended warranties on the compressor the gas heat exchanger or the complete Changeair unit at an extra cost to the customer Extended warranty packages may be purchased through an authorized Changeair supplier and are available in either a prorated parts only or replacement parts complete In either case shipping and labo...

Page 6: ...ITAL WHETHER OR NOT CHANGEAIR HAS BEEN ADVISED OF THE POSSIBILITY OF ANY SUCH DAMAGES WHETHER OR NOT FORESEEABLE AND WHETHER OR NOT BASED ON A BREACH OF CONTRACT NEGLIGENCE OR GROSS NEGLIGENCE WARRANTY CLAIM PROCEDURE If customer believes one or more components of the Changeair product is defective or working improperly customer shall contact its local Changeair agent and request the name and addr...

Page 7: ...s once a year with SAE 20 non detergent oil if applicable Refer to Pg 7 10 Test unit and controls for complete functionality and replace and or adjust parts as required 11 Check the exterior louver to be sure it is free of debris or obstructions once a year 5 Before beginning with any preventative maintenance you MUST follow these safety precautions Failure to do so may result in personal injury o...

Page 8: ...y Wire Harness 6 Pull fan assembly straight out of unit and clean dirt from fan blades and around motor housing Oil motor with SAE 20 non detergent oil Refer to Pg 7 7 Replace fan assembly in track and re secure with fastening screws 8 Replace access panel Fig D 9 Replace electrical wires 10 Close service panels and lock with key turn electrical power ON and test operation of the unit Removing Int...

Page 9: ...it and test Primary Cooling coil Gain access to back side of coil through filter opening 1 Using a coil brush remove dislodge excess foreign matter 2 Vacuum loosened foreign matter 3 Using compressed air clean coil in reverse direction of air flow and or using an environmentally safe cleaner spray top side of coil and allow to soak for several minutes 4 If required wipe up drips and excess spray a...

Page 10: ...n the U S installation must be in accordance with the most current issue of the National Electric Code ANSI NFPA 70 GENERAL ASSEMBLY AND INSTALLATION INSTRUCTIONS It is important to read and understand the instructions outlined in this document as well as any job specific documentation provided in the Information Package before proceeding with the installation Care should be taken to protect the p...

Page 11: ...n accordance to the installation drawings relative to the final installed position of the unit It will likely be necessary to provide a support header across the top of the opening to comply with local building code requirements Tip DO NOT install the exterior louver until after the Classroom Unit is fastened securely to the wall 1 Prior to assembly it may be necessary to trim the depth of the wal...

Page 12: ...m 1 Carefully unpack the plenum assembly The plenums sent with the units may vary in height or model and will be labeled with a CU if provided 2 Remove the front access covers from the appropriately selected five sided plenum assembly 1 On a clean flat unobstructed floor surface lay out the pieces of the standoff relative to the positions they are to be installed shown in the Installation Assembly...

Page 13: ...intained from the back of the unit to the backside of the exterior louver refer to job specific shop or installation drawings 3 To assure a tight seal between the classroom unit and the RPA apply 3 8 foam tape to the 1 wide front edges of the RPA and any partitions it may have Tip Keep the tape back from the outside edges by at least so the tape does not become unsightly when compressed 4 Position...

Page 14: ...er s Manual Dehumidification Unit Installation Drawings Freshman NA 00 1000 B C SV STANDARD NOTE All installation drawings provide information for installation of hot water steam and electric heat units 12 ...

Page 15: ...5 to diagnose the problems Replace any parts with original equipment replacement parts available through your Change Air representative Replacement parts and service are available through your local Change Air representative To find your local representative contact Canada 519 688 6363 U S 517 676 0700 or visit www changeair com TROUBLE SHOOTING GUIDE ATTENTION Change Air is not responsible for in...

Page 16: ...n and occupied set points from the thermostat Temperature protections move the fresh air damper to a minimum position when the mixed air temperature falls below 50 F Unoccupied Mode Fresh air damper is disabled Unit will operate on Heat Cool function cycling the high speed fan as required to meet unoccupied set points determined by the thermostat ATTENTION Change Air is not responsible for injury ...

Page 17: ... Problem related to iced over evaporator coil a Check for dirty air filter b Check for dirty evaporator coil c Possible restrictions in the capillary tube or low gas charge recheck fan speed d Check thermostat set point If room temperature drops below 70 F 21 C the evaporator may ice over during extended operation NOTE Mechanical cooling should not operate when outside temperature is below 60 F 17...

Page 18: ...517 676 0700 or visit www changeair com ATTENTION Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Installation and maintenance must be done by a qualified installer service agency or authorized dealer OPERATION OF UNIT DURING CONSTRUCTION MAY VOID THE WARRANTY VDDOC3 Owner s Manual ...

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