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Do It Once. Do It Right.™

TACO, INC.

, 1160 Cranston Street, Cranston, RI 02920  Telephone: (401) 942-8000 

Fax:(401) 942-2360

TACO (Canada)

, Ltd., 6180 Ordan Drive, Mississauga, Ontario L5T 2B3 

 Telephone:(905) 564-9436 

Fax:(905) 564-9436

Visit our web site at:

 http://www.taco-hvac.com

Copyright 2003 TACO, INC.

Portions Copyright 2003

tekmar Control Systems Ltd.

tekmar Control Systems.Inc.

Printed in USA

8

LIMITED WARRANTY STATEMENT

Taco, Inc. will repair or replace without charge (at the company’s option) any product or part which is proven defective under normal 

use within one (1) year from the date of start-up or one (1) year and six (6) months from date of shipment (whichever occurs first).

Taco, Inc. will repair or replace without charge (at the company’s option) any i Series Mixing Valve body that is proven defective under 

normal use within three (3) years from the date of start-up or three (3) years and six (6) months from date of shipment (whichever 

occurs first).

In order to obtain service under this warranty, it is the responsibility of the purchaser to promptly notify the local Taco stocking distribu-

tor or Taco in writing and promptly deliver the subject product or part, delivery prepaid, to the stocking distributor.  For assistance on 

warranty returns, the purchaser may either contact the local Taco stocking distributor or Taco.  If the subject product or part contains 

no defect as covered in this warranty, the purchaser will be billed for parts and labor charges in effect at time of factory examination 

and repair.

Any Taco product or part not installed or operated in conformity with Taco instructions or which has been subject to misuse, misapplica-

tion, the addition of petroleum-based fluids or certain chemical additives to the systems, or other abuse, will not be covered by this 

warranty.

If in doubt as to whether a particular substance is suitable for use with a Taco product or part, or for any application restrictions, consult 

the applicable Taco instruction sheets or contact Taco at [401-942-8000].

Taco reserves the right to provide replacement products and parts which are substantially similar in design and functionally equivalent 

to the defective product or part.  Taco reserves the right to make changes in details of design, construction, or arrangement of materials 

of its products without notification.

TACO  OFFERS  THIS  WARRANTY  IN  LIEU  OF  ALL  OTHER  EXPRESS  WARRANTIES.    ANY  WARRANTY  IMPLIED  BY  LAW 

INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS IS IN EFFECT ONLY FOR THE DURATION OF THE EXPRESS 

WARRANTY SET FORTH IN THE FIRST PARAGRAPH ABOVE.

THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR STATUTORY, OR ANY OTHER WAR-

RANTY OBLIGATION ON THE PART OF TACO.

TACO WILL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES RESULTING FROM 

THE USE OF ITS PRODUCTS OR ANY INCIDENTAL COSTS OF REMOVING OR REPLACING DEFECTIVE PRODUCTS.

This warranty gives the purchaser specific rights, and the purchaser may have other rights which vary from state to state.  Some states 

do not allow limitations on how long an implied warranty lasts or on the exclusion of incidental or consequential damages, so these 

limitations or exclusions may not apply to you.

Summary of Contents for i Series

Page 1: ...mperature drop For example if a Reset Ratio of 1 2 is selected the supply water temperature is increased by 1 2 degrees of every 1 degree of outdoor temperature drop 2 Way 3 Way Mixing An iSeries Mixing Valve may be used to mix the hot boiler water temperature with the cooler return water temperature from the system loop The position of the iSeries Mixing Valve is modulated in order to inject diff...

Page 2: ...1 5 From the 2 Way Cv chart below select the valve size with the closest Cv value to the injection flow rate calculated in step 4 Do not size the 2 Way iSeries Mixing Valve based soley on pipe size 3 Way iSeries Mixing Valve Selection Select the 3 Way iSeries Mixing Valve based on the 3 way Pressure Drop chart below Sequence of Operation Power Up and Heat Request Whenever the iSeries R is powered ...

Page 3: ...he minimum setting The minimum setting is selected via DIP switch 3 When the switch is turned on the minimum temperature is set to 120 F and when the DIP is turned off the minimum tempera ture is 135 F When using low temperature boilers such as condensing or electric the boiler minimum temperature may be disabled by powering up the control without a boiler return sensor Whenever the iSeries R is b...

Page 4: ...able In order to prevent damage to the electronics disconnect all plugs before the power is turned on and check voltages and sensors Once the circuits are tested plug in the ter minals Powering the Control For intermittent operation connect one side of the end switch e g Taco ZVC SR series zone control or thermostat to an external 24 V ac trans former Connect the other side of the zone control s e...

Page 5: ...eatly simplify troubleshooting of the iSeries R When the control flashes an error message identify the fault and follow standard test ing procedures to confirm the problem If you suspect a wiring fault return to the wiring section on this brochure and carefully check all external wiring and wiring connections Multi Status LED Adjustment of Settings If the outdoor temperature is cold and the buildi...

Page 6: ... rings EPDM Dimensions Ufnqfsbuvsf Sftjtubodf Ufnqfsbuvsf Sftjtubodf Ufnqfsbuvsf Sftjtubodf Ufnqfsbuvsf Sftjtubodf G D X G D G D G D 41 31 21 1 21 31 41 51 61 71 81 91 1 211 221 231 241 251 261 271 281 291 2 1 311 45 3 34 29 23 8 2 5 21 27 32 38 43 49 54 5 65 71 77 82 88 93 99 4 345 2 7 276 291 229 129 96 473 73 576 57 329 45 669 37 1 2 11 26 422 22 994 3 8 445 6 939 5 776 4 871 4 161 3 5 1 3 156 ...

Page 7: ...tion 9300 2044RP Strap on Sensor 9300 2052RP Outdoor Sensor iT024Q6A1 Outdoor Reset Actuator iU024Q6A1 Setpoint Actuator Notes 7 2 j jWbmwf Tj f 161 203 186 405 211 2 Dpoofdujpo D Txfbu U Uisfbe Cbmm Uzqf 3 3 Xbz 4 4 Xbz Bduvbups Uzqf S Sftfu T Tfuqpjou ...

Page 8: ...epair Any Taco product or part not installed or operated in conformity with Taco instructions or which has been subject to misuse misapplica tion the addition of petroleum based fluids or certain chemical additives to the systems or other abuse will not be covered by this warranty If in doubt as to whether a particular substance is suitable for use with a Taco product or part or for any applicatio...

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