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installed on the return line. In this case, standard low voltage
doorbell wire (not included) can be spliced into the sensor line
increasing the overall sensor wire length.
NOTe: The temperature sensor must be installed and connected
in either "Pulse" or "Smart" mode.
NOTe: The SmartPlus must be installed and supported by the
circulation piping.
OTHer SPeCIal FeaTUreS OF THe SmarTPlUS:
1. Vacation Function - If no water usage is detected for 36 hours, the
pump will remain off until hot water usage is detected. Once detected,
the pump will resume operation.
NOTe: If pump is set to "Smart" mode, the pump will operate in
"Pulse" mode for the first 7 days while recording usage patterns.
2. exercise Function - While in vacation mode, the pump will come on
every 7 days for 10 seconds to prevent corrosion or scale buildup.
3. 72 Hour Memory Backup - Should a power outage occur, the
SmartPlus (in Smart mode only) will retain its recorded settings and
internal timer for 72 hours. When power is restored, the SmartPlus will
return to its programmed mode setting, either "Pulse" or "Smart."
4. LED - The SmartPlus is provided with 3 LED's located on the side of
the electrical box.
green leD – Illuminated - Power On
Yellow leD – Flashing - Pump in "Pulse" mode
Illuminated (not flashing) - Pump in "Smart" mode
red leD
– LED off - Sensor is connected properly
LED flashes once every 5 seconds - Shorted sensor.
Use replacement sensor kit #194-3574.
LED flashes twice every 5 seconds - Open sensor
- check all sensor connections.
LED flashes three times every 5 seconds - Blown
fuse. Use replacement fuse kit #26-813RP.
5. Variable Run Time Setting - the Smart Plus run time can be set
for varying domestic hot water pipe sizes and loop length. The fac-
tory default setting is 3.
Follow the steps below to adjust the run
time:
1. Make sure the SmartPlus power
cord is unplugged from electrical outlet.
2. Remove the electrical box cover
from the circulator to expose the
electronic control board.
3. Adjust the run time dial using the
Pump Sizing and Dial Setting
guide. See Figure 4.
NOTE: For the best possible sys-
tem performance, some adjust-
ments may need to be made to the dial position.
4. Replace the electrical box cover.
5. Plug SmartPlus power cord into electrical outlet. Pump will start
and run at the new run time setting.
Taco, Inc. will repair or replace without charge (at the company's
option) any product or part which is proven defective under nor-
mal use within three (3) years from the date of manufacture.
In order to obtain service under this warranty, it is the responsi-
bility 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 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 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, mis-
application, the addition of petroleum-based fluids or certain
chemical additives to the systems, or other abuse, will not be
covered by this warranty.
6
5
4
3
2
1
Figure 4: Run Time Dial
lImITeD WarraNTY STaTemeNT
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 FIT-
NeSS IS IN eFFeCT ONlY FOr THe DUraTION OF THe
eXPreSS WarraNTY SeT FOrTH IN THe FIrST Para-
graPH abOVe.
THe abOVe WarraNTIeS are IN lIeU OF all OTHer
®
A Taco Family Company
2017
Pump Sizing and Dial Setting Guide
1/2" Supply and Return Lines
Supply Pipe
Model Number
Length (ft.)
006 & 006-IFC*
008 & 008-IFC*
3/4" Supply and Return Lines
Supply Pipe
Model Number
Length (ft.)
006 & 006-IFC*
008 & 008-IFC*
*With Optional Integral Flow Check
This information is provided as a reference only. Find the dial setting in the
guide above that best meets the design. Individual systems may vary.
Select the circulator model based on the supply and return pipe size and
pipeline length. Do not oversize the pump or high velocity noise and ero-
7
sion corrosion of the system piping may result.
8
Sizing Assumptions:
9
Flow = 1GPM Max.
Velocity = 3 ft./sec.
10
Allowances have been added for pressure drop of other typical
system components.
Type L Copper Tubing
Total Maximum
Maximum
Pipe Length
Setting
25
50
50
100
100
200
200
300
300
400
250
450
450
550
550
650
650
700
Total
Maximum
Maximum Pipe
Setting
Length
25
50
50
200
200
300
300
400
400
500
300
500
500
650
650
750
750
800
WarraNTIeS, eXPreSS Or STaTUTOrY, Or aNY OTHer
WarraNTY 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 PrOD-
UCTS.
This warranty gives the purchaser specific rights, and the pur-
chaser may have other rights which vary from state to state.
Some states do not allow limitations on how long an implied war-
ranty lasts or on the exclusion of incidental or consequential
damages, so these limitations or exclusions may not apply to
you.
Dial
ON/OFF Time
Minutes
1
1/10
3
3/10
5
5/10
8
8/10
10
10/10
3
3/10
5
5/10
8
8/10
10
10/10
Dial
ON/OFF Time
Minutes
1
1/10
3
3/10
5
5/10
8
8/10
10
10/10
3
3/10
5
5/10
8
8/10
10
10/10
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