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LIMITED WARRANTY STATEMENT

Taco, Inc. will repair or replace without charge (at

the company’s option) any Taco High Efficiency

circulator or circulator part which is proven defec-

tive under normal use within three (3) years from

the date of manufacture.
In order to obtain service under this warranty, it

is the responsibility of the purchaser to promptly

notify the local Taco stocking distributor or Taco

in writing and promptly deliver the subject product

or part, delivery prepaid, to the stocking distribu-

tor. For assistance on warranty returns, the pur-

chaser may either contact the local Taco stock-

ing distributor or Taco. If the subject product or

part contains no defect as covered in this war-

ranty, the purchaser will be billed for parts and

labor charges in effect at time of factory exami-

nation and repair.
Any Taco product or part not installed or operated

in conformity with Taco instructions or which has

been subject to misuse, misapplication, the addi-

tion of petroleum-based fluids or certain chemi-

cal 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, construc-

tion, 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 DURA-
TION  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  WARRANTY
OBLIGATION ON THE PART OF TACO.
TACO  WILL  NOT  BE  LIABLE  FOR  ANY  SPE-
CIAL,  INCIDENTAL,  INDIRECT  OR  CONSE-
QUENTIAL 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 conse-

quential damages, so these limitations or exclu-

sions may not apply to you.

8

SHADED AREA IS
VARIABLE SPEED
OPERATING RANGE

VT2218 PERFORMANCE CURVES

Summary of Contents for 00e VT2218 Series

Page 1: ...one Valve Control or SR Switching Relay for ON OFF operation Integral Flow Check IFC is included in carton Simply press into discharge flange if required Nut capture feature on flanges for easier fit up Whisper quiet operation BIO Barrier protects the pump from system contaminants SureStart automatic unblocking mode Optional 2 way flange model available to reduce SKU s and provide universal fit up...

Page 2: ...E RECOMMENDED PURGING STEPS 1 CLOSE V1 PV4 V2 2 OPEN V3 3 OPEN FF VALVE 4 OPEN V2 PV4 TO PURGE LAST ZONE FIRST ZONE 3 5 CLOSE FF VALVE 6 CLOSE V2 PV4 7 REPEAT STEPS 1 TO 6 FOR EACH ADDITIONAL ZONE PURGE ZONE 1 LAST 8 OPEN V1 WHEN ALL ZONES ARE PURGED 9 ADJUST SYSTEM TO DESIRED OPERATING FILL PRESSURE IF REQUIRED ...

Page 3: ... PURGING STEPS 1 CLOSE V1 PV4 V2 2 OPEN V3 AND ZV3 3 OPEN FF VALVE 4 OPEN V2 PV4 TO PURGE LAST ZONE FIRST ZONE 3 5 CLOSE FF VALVE 6 CLOSE V2 PV4 7 REPEAT STEPS 1 TO 6 FOR EACH ADDITIONAL ZONE PURGE ZONE 1 LAST 8 OPEN V1 WHEN ALL ZONES ARE PURGED 9 ADJUST SYSTEM TO DESIRED OPERATING FILL PRES SURE IF REQUIRED 10 MOVE ALL ZV TO CLOSED AUTOMATIC POSITION ...

Page 4: ...rential T Set Point Heat Varies speed to maintain a fixed temperature Boiler Protection Option Decreases speed to protect boiler from low return water temperature and flue gas condensation Boiler Protection Increases speed to protect boiler from low return water temperature and flue gas condensation Heating or Chilled Water Cooling Set Point Heat Decreases speed on temperature rise Set Point Cool ...

Page 5: ...ta T operating mode with a 20 F temperature differential setting If this is your desired operating mode and Delta T setting no programming changes are required CAUTION Never run the circulator dry or permanent damage may result ATTENTION Ne laissez jamais le circulateur tourner à sec des dommages permanents peuvent en résulter The VT2218 has 5 Operating Modes Delta T Varies speed to maintain a fix...

Page 6: ...Start Cycle to its highest speed until target T is reached Start Cycle will dis play on the LCD screen in place of Watts If T is GREATER than target the pump will immediately go into Variable Speed operation and vary speed to maintain the target T Constant Speed Mode Speeds 1 2 3 4 default Speed 4 In Constant Speed mode the VT2218 will always start and run at the pre set Speed Level 1 through 4 On...

Page 7: ...n ERROR CODE DESCRIPTION CORRECTIVE ACTION SENSOR 1 MISSING Supply sensor disconnected Reconnect sensor SENSOR 2 MISSING Return sensor disconnected Reconnect sensor SENSOR 1 SHORTED Bad sensor Replace sensor SENSOR 2 SHORTED Bad sensor Replace sensor AC INPUT UNDER VOLTAGE Low voltage problem Check power supply AC INPUT OVER VOLTAGE High voltage problem Check power supply LOCKED ROTOR Probable loc...

Page 8: ...t 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 construc tion or arrangement of materials of its prod...

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