Instructions / Assembly

A Taco Family Company
2019
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
• 550 Series: One (1) year from date code.
• 570 Series:
- Body - Five (5) years from date code.
- Power Head - Three (3) years from date code.
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 distributor. For assistance on warranty returns, the pur-chaser
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 pur-
chaser 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, misapplication, the addi-
tion of petroleum-based uids 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 applica-
ble 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 defec-
tive product or part. Taco reserves the right to make changes in details of
design, construction, or arrangement of materials of its products without
notication.
TACO OFFERS THIS WARRANTY IN LIEU OF ALL OTHER EXPRESS
WARRANTIES. ANY WARRANTY IMPLIED BY LAW INCLUDING WAR-
RANTIES 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 WARRAN-
TIES, EXPRESS OR STATUTORY, OR ANY OTHER WARRANTY OBLI-
GATION ON THE PART OF TACO.
TACO WILL NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
INDI-RECT 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 specic 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.
TRANSFORMER
Use a Model 569 Taco Transformer or other make rated
at 115/24V-40VA. One transformer can accommodate a
maximum of 3 Taco-Zone Valves.
MANUAL OPENING LEVER
For gravity circulation thru valve, push lever in Power Head
all the way down. Push back up to restore to automatic
operation. Lever moves easily when valve is open. Resistance
is encountered when valve is closed.
2 WAY MODELS
HEATING UNIT
FIG. 4
FIG. 5
FAN COIL UNIT
(3)
FAN COIL UNIT
(3)
FIG. 6
FIG. 7
HEATING UNIT
RETURN
RETURN
RETURN
RETURN
SUPPLY
SUPPLY
SUPPLY
SUPPLY
(HEATING ONLY)
(HEATING ONLY)
TACO THERMOSTATS
TACO ZONE VALVES
3 ZONES - 40 VA TRANSFORMER
BASIC WIRING DIAGRAM
INTERMITTANT OPERATING PUMP
TO “T” TERMINALS ON
BOILER CONTROL
TRANSFORMER RELAY
24V
115V
TYPICAL WIRING DIAGRAM
TYPICAL INSTALLATION DIAGRAM -
INDIVIDUAL ROOM CONTROL