CALEFFI ThermoSetter 1164 Series Guida utente

Function

The ThermoSetter™1164 series adjustable thermal balancing

valve is used for automatic balancing of recirculation loops in

domestic hot water systems, to speed hot water delivery, reduce

water waste and save energy. The internal thermostatic balancing

cartridge automatically modulates flow to ensure a constant

temperature in the recirculation piping system. The 116 Series

has an adjustment knob with 105°F to 150°F (40°C to 65°C)

temperature scale indication. The adjustment knob is lockable for

tamper-proofing. An integral dry-well holds a slide-in temperature

gauge for local indication, or a sensor for remote temperature

sensing. The optional check valve protects against circuit thermo-

syphoning.

ThermoSetter™

Recirculation Thermal Balancing Valve

H0006934.01

1164 Series

Installation, commissioning and servicing instructions

Product range

1164 series

ThermoSetter, models w/ and w/o temperature

gauge, w/ and w/o check valve.........................connections ½” and ¾” NPT female

www.caleffi.com

The valve is ICC-ES certified to NSF/ANSI 61 (180°F/82°C Commercial Hot) and NSF/ANSI 372, low

lead laws. It meets codes IPC, IRC, UPC and NPC for use in accordance with the US and Canadian

plumbing codes.

NSF 61

Technical specifications

Materials

Body: DZR low-lead brass EN 12165 CW724R

Adjustable cartridge: PSU

Springs: Stainless steel EN 10270-3

(AISI 302)

Hydraulic seals: peroxide-cured EPDM

Adjustment knob: ABS

Performance

Suitable fluid: water

Max. working pressure: 230 psi (16 bar)

Max. differential pressure: 15 psi (1 bar)

Adjustable temperature range:

105–150°F (40 – 65°C)

Factory setting: 135°F (58°C)

Max. inlet temperature: 195°F (90°C)

Cv (Kv) max: 2.1 (1.8)

Cv (Kv) min: 0.35 (0.3)

Cv (Kv) design: 0.69 (0.6)

Certifications

1. Complies with codes IPC, IRC, UPC and

NPC.

2. ICC-ES certified to NSF/ANSI 61

(180°F/82°C Commercial Hot), file

PMG-1512.

3. NSF/ANSI 372, low lead certified by ICC-

ES, file PMG-1360.

Connections

Main connnections:

½” NPT female

¾” NPT female

Temperature gauge/probe pocket:

Ø 10 mm metric

Temperature gauge code 116010

Scale: 30 - 180°F (0–80°C)

Diameter: 1½” (40 mm)

Stem diameter: 0.35” (9 mm)

SAFETY INSTRUCTION

This safety alert symbol will be used in this manual to draw attention to safety related instructions.

When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS

INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A SAFETY

HAZARD.

LEAVE THIS MANUAL FOR THE USER.

Caleffi shall not be liable for damages resulting from stress corrosion, misapplication or misuse of it products.

CAUTION: All work must be performed by qualified personnel trained in the

proper application, installation, and maintenance of systems in accordance

with all applicable codes and ordinances.

CAUTION: Over-tightening and breakage can occur with the use of Teflon®

pipe joint compounds. Teflon®provides lubricity so that care must be

exercised not to over-tighten joints. Failure to follow these instructions

could result in property damage and /or personal injury.

WARNING: System fluids are under pressure or temperature can be

hazardous. Be sure the pressure has been reduced to zero and the

system temperature is below 100°F (38°C). Failure to follow these

instructions could result in property damage and/or personal injury.

WARNING: This product can expose you to chemicals including lead, which is known

to the State of California to cause cancer and birth defects or other reproductive harm.

For more information go to www.P65Warnings.ca.gov.

CAUTION: Make sure that all the connecting pipework is water tight.

CAUTION: If the series ThermoSetter balancing valve is not installed,

commissioned and maintained properly, according to the instructions contained

in this manual, it may not operate correctly and may endanger the user.

CONSIGNE DE SÉCURITÉ

Ce symbole d'avertissement servira dans ce manuel à attirer l'attention sur la sécurité concernant

instructions. Lorsqu'il est utilisé, ce symbole signifie. ATTENTION! DEVENEZ ALERTE ! VOTRE

SÉCURITÉ EST EN JEU ! NE PAS SUIVRE CES INSTRUCTIONS PEUT PROVOQUER UN

ATTENTION: Tous les travaux doivent être effectués par du personnel

qualifié formé à la bonne application, installation et maintenance des systèmes

conformément aux codes et règlements locaux.

ATTENTION: Un serrage excessif et la rupture peut se produire avec

l’utilisation de composés à joint de tuyau en Téflon®. Pouvoir lubrifiant Teflon®

permet de sorte qu’il faut prendre soin de ne pas trop serrer les articulations.

Le non-respect de ces instructions peut entraîner des dommages matériels

et/ou des blessures.

AVERTISSEMENT: Les liquides du système sont sous pression ou de la

température peuvent être dangereux. Être sûr que la pression a été réduite

à zéro et la température du système est inférieure à 100°F (38°C). Le non-

respect de ces instructions peut entraîner des dommages matériels et/ou des

blessures.Le non-respect de ces instructions peut entraîner des dommages

matériels et/ou des blessures.

ATTENTION: Si le vanne d’équilibrage, Série ThermoSetter, n'est pas installé,

mis en service et entretenu correctement, selon les instructions contenues dans ce

manuel, il peut ne pas fonctionner correctement et peut mettre en danger l'utilisateur.

ATTENTION: S'assurer que tous les raccordements sont étanches.

Calefﬁ ne pourra être tenue responsable des dommages résultant de la corrosion, d’une mauvaise

utilisation ou une mauvaise utilisation des produits.

AVERTISSEMENT:

Ce produit peut vous exposer à des produits chimiques comme

le plomb, qui est connu dans l’État de Californie pour causer le cancer, dommages à la

naissance ou autre. Pour plus d’informations rendez-vous www.P65Warnings.ca.gov.

LAISSEZ CE MANUEL AVEC L’UTILISATEUR

Function A

At the set temperature, the valve plug (1),

controlled by the thermostatic balancing cartridge

(2), gradually closes the outlet to the minimum

flow (3). The outlet never fully closes to always

allow a minimum flow for temperature sensing

and to prevent recirculation pump dead-heading.

If the temperature decreases, the outlet increases,

causing flow and thus temperature to increase

back to the set temperature as shown in curve

1. If temperature exceeds the set-point, the plug

stays in the minimum closed position as shown

in curve 2.

max

T (°F)

G (gpm)

min

120

130

140

180

150

160

170

set

(2.1)

(0.35)

design

(0.69)

Thermostatic control,

1164xxA series

Thermostatic control with check valve,

11614xAC series

Installation

Before installing the ThermoSetter, flush the pipes to make sure that impurities in system

will not interfere with valve performance. Strainers of sufficient capacity at the inlet from the

water main are highly recommended. The ThermoSetter can be installed in any position,

vertical or horizontal, following the flow direction indicated by the arrow on the valve body.

The ThermoSetter must be installed according to the diagrams given in this manual. It must

be installed to allow free access to for checking on operation and maintenance procedures.

Installation Tip

Scan to view

116 ThermoSetter

Code* A B B* C D Wt

lb (kg) / C-lb (kg)

116440A(C) ½" NPT F 2 13/16" 4 13/16" ¾" 3" 1.6 (1.8) / 0.72 (0.82)

116441A(C)** ½" NPT F 2 13/16" 4 13/16" ¾" 3" 1.5 (1.7) / 0.68 (0.77)

116450A(C) ¾" NPT F 2 13/16" 5" ¾" 3" 1.6 (1.8) / 0.72 (0.82)

116451A(C)** ¾" NPT F 2 13/16" 5" ¾" 3" 1.5 (1.7) / 0.68 (0.77)

Dimensions

B’

*Models with check valve tail-piece (C) end-to-end dimension is B'.

**with integral outlet temperature gauge.

The ThermoSetter thermostatic balancing valve is designed to balance individual branches of

domestic hot water recirculation systems, based on the temperature at the valve. It automatically

modulates flow to maintain hot water availability to all fixtures in the branch circuit. The valve is at

minimum flow (Cv = .35) when the incoming water temperature is equal to the set-point position

of the adjustment dial. The valve opens as incoming water temperature drops.

For pressure loss calculations

in the recirculation system,

follow traditional pipe sizing

and head loss practices.

For pressure loss calculations

across the ThermoSetter

valve, use the design curve

shown in the graph below.

This line represents a typical

valve position under normal

working conditions (∆T=

10°F). Determine the pressure

drop across the valve by

selecting the branch design

GPM on the graph X-axis,

draw a vertical line up to

the “design” curve, then go

across to the Y-axis to find

the design pressure drop.

Include that pressure drop

in your head loss calculations

for the circuit.

Flow characteristics

2. 5

3 4.5 6 7 8.810 1213.2

0.01

0.02

0.03

0.05

0.07

0.10

0.15

0.20

0.30

0.50

0.70

1.00

1.50

2.00

3.00

7.25

14.5

0.70

2.00

Flow rate

(/m) (gpm)

0.40

0.30

0.12

0.10

0.08

1.40

1.80

0.90

0.60

0.30

1.20

0.16

0.20

0.50

0.60

0.90

1.00

1.80

0.36

0.48

2.40

3.00

3.60

4.20

4.80

5.40

6.00

7.80

∆p (psi) ∆p (kPa)

0.1

0.2

0.3

0.5

0.7

1.0

1.4

2.0

3.5

7.0

10˚F ∆T

inlet to setpoint

Operation in

by-pass mode

0.35 Cv

minimum

2.1 Cv

full open

0.69 Cv

design

Temperature adjustment

Set the desired recirculation system temperature by turning

the adjustment knob. The graduated scale shows the

temperatures at which the indicator can be set.

Adjustment locking

After adjusting the temperature, the setting can be locked

at the desired value using the adjustment knob. Unscrew

the locking screw at the top of the adjustment knob,

remove the knob and then put it back on so that the internal

groove couples with the protrusion on the knob holder nut.

When this block is used, the reference of the indication of

the temperature values on the knob is lost. To restore it,

completely unscrew the lcoking screw. Reposition the knob

on MAX value. Tighten the locking screw.

Maintenance

The balancing adjustment cartridge can be removed

from the valve body for periodic inspection, cleaning or

Insulation shell

The ThermoSetter 1164 series thermal balancing valve

can be supplied with an optional insulation shell, code

CBN116440 purchased separately, to minimize heat loss.

Application diagram

135°F

140°F

120°F

NOTE: Do not set at temperatures >120ºF if

anti-scald valves are not installed at the ﬁxtures.

Hot water recirculation with thermal balancing valves

Caleffi North America, Inc.

3883 W. Milwaukee Road

Milwaukee, WI 53208

T: 414.238.2360 F: 414.238.2366

3-20-2020

NOTES

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