CALEFFI LEGIOMIX 600094A Guida

Function

The electronic mixing valve is used in centralized

systems that produce and distribute domestic hot

water. It maintains the temperature of the domestic hot

water delivered to the user when there are variations

in the temperature and pressure of the hot and cold

water at the inlet or in the draw-off flow rate. The

LEGIOMIX®electronic mixing valve provides precise

temperature control over very low and very high flow

rate demand, minimal pressure drop with a ball valve

control element, automatic self-cleaning to prevent

scale formation and easy-to-use digital interface with

data logging, alarming and status indication. The

LEGIOMIX electronic mixing valve is furnished with

a controller with LCD user interface that provides a

set of programs for circuit thermal disinfection to kill

Legionella. The controller is configurable via keypad,

or local or remote computer. Depending on the type

of system and habits of the user, temperature levels

and operation times can be programmed as desired.

In addition, it comes standard with monitoring and

remote control connections.

The LEGIOMIX 6000 series electronic mixing valve

is powered by 24 VAC. (Caleffi provides a 115 / 24

VAC transformer in the package.) It is ICC-ES certified

to ASSE 1017 and CSA B125.3. It complies with

codes IPC, IRC, NPC and UPC for use in accordance

with the US and Canadian plumbing codes, and

standard NSF/ANSI 372, low lead. Also, it meets

the requirement of CSA Z317.1 Special Requirement

for Plumbing Installations in Health Care Facilities,

certifed by ICC-ES.

LEGIOMIX®electronic mixing valve

6000 series

H0002997.08

www.caleffi.com

INSTALLATION AND COMMISSIONING MANUAL

Connect to 24 VAC

power source

Leave this manual for the user.

CAUTION: If the electronic mixing 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.

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

CAUTION: When making the water connections, make sure that the pipework

connecting the LEGIOMIX electronic mixing valve is not mechanically overstressed.

Over time this could cause breakages, with consequent water losses which, in turn,

could cause harm to property and/or people.

CAUTION: Water temperatures higher than 100ºF (38ºC) can be

dangerous. During the installation, commissioning and maintenance

of the LEGIOMIX electronic mixing valve, take the necessary

precautions to ensure that such temperatures do not endanger people.

CAUTION: To prevent any damage which will cause the electronic mixing

valve to not operate correctly, treat highly aggressive water before entering

the electronic mixing valve. Be sure water hardness is less than 10 grains.

SAFETY INSTRUCTION

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

proper application, installation, and maintenance of systems in accordance

with all applicable codes and ordinances.

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

instructions. When used, the safety symbol means ATTENTION! BECOME ALERT! YOUR

SAFETY IS INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT

IN A SAFETY HAZARD.

CAUTION: IMPORTANT: Risk of electric shock. The back panel and mixing valve

contain live circuits. Cut off the electric supply before performing work. Failure to follow

these instructions may result in injury of persons or damage to property.

CAUTION: When turning on conﬁrm the desired language. English is the

default language. But, if not selected after 1 minute, the menu will go directly to

the date and time choice. Language can then be selected always in “settings”.

CAUTION: Safety measures must be in place before engaging disinfection

mode. Anti-scald protection devices, certiﬁed to ASSE 1016 or ASSE 1070,

at all downstream ﬁxtures, must be installed.

ATTENTION: Lorsque vous effectuez les raccordements d'eau, assurez-

vous que la tuyauterie reliant le LEGIOMIX mitigeur électronique n'est pas

mécaniquement des overstressed. Au fil du temps, ceci pourrait causer des

ruptures, avec pour consequence des pertes en eau qui, à leur tour, peuvent

causer des dommages à la propriété et/ou les gens.

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 RISQUE DE SECURITE.

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: Si le réducteur de pression, mitigeur électronique, 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.

ATTENTION: Les températures de l'eau supérieure à 100°F (38°C) peut

être dangereux. Au cours de l'installation, mise en service et l'entretien

de le réducteur de pression, le LEGIOMIX mitigeur électronique, prendre les

precautions nécessaires afin de s'assurer que de tells températures ne

compromettent pas les gens.

ATTENTION: Risque de choc électrique. Le fond d’armoire et la vanne

mélangeuse sont sous tension. Couper l’alimentation électrique avant toute

intervention. Le non respect de ces règles de sécurité peut entraîner des dégâts

matériels et/ou des blessures aux personnes.

ATTENTION: Pour prévenir tout dommage qui provoque le mitigeur

électronique à ne pas fonctionner correctement, le traitement de l’eau très

agressive avant d’entrer dans la vanne de mélange électronique. Assurez-

vous que la dureté de l’eau est inférieure à 10 grains.

ATTENTION: Lors du passage de conﬁrmer la langue désirée. L’anglais est la langue per

défault. Si la langue n’est pas sélectionnée après 1 minute, le menu Aller directement à la date

et l’heure de choix. La langue peut alors être sélectionné toujours dans “Paramètres”.

LAISSEZ CE MANUEL AVEC L’UTILISATEUR

ATTENTION: Des mesures de sécurité doivent être en place avant d’engager

le mode de désinfection. Les dispositifs de protection anti-brûlure, certiﬁé à ASSE

1016 ou 1070 l’ASSE, à tous les appareils en aval, doit être installé.

CONSIGNE DE SÉCURITÉ

Technical specifications

Valve body

Materials: - Body: DZR low-lead brass

- Ball: sizes ¾” - 2”: low-lead brass, chrome-plated

sizes 2½” & 3”: AISI 316 stainless steel

- Slip-on flanges for sizes 2½” & 3”: galvanized carbon steel

- O-ring seals: peroxide-cured EPDM

- Ball seats: PTFE

Max. body pressure rating: 230 psi (16 bar)

Max working pressure: 150 psi (10 bar)

Max. inlet temperature: 212°F (100°C)

Temperature gauge scale: 32 - 176°F (0 - 80°C)

Suitable fluids: water

Max. water hardness: 10 grains

Main connections: -NPT male, sweat and press union ¾”,

1", 1¼", 1½" and 2"

-ANSI B16.5 150 CLASS RF

2½” & 3”

Actuator, 3-wire floating fail-in-place

Electric supply: 24 VAC - 50/60 Hz

Power consumption: 6 VA

Protection cover: self-extinguishing VO

Protection class: IP 65 (NEMA 4/4X)

Ambient temperature range: 14 - 130°F (-10 - 55°C)

Electric supply cable length: 31½” (0.8 m)

Max. distance for control signal wire:

500 ft (150 m) cable 2 conductor x AWG 18

800 ft (250 m) cable 2 conductor x AWG 16

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.

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.

Product range

6000 series Electronic mixing valve with programmable thermal disinfection, 24 VAC with union

connections, NPT male, sweat and press............................................sizes ¾”, 1”, 1¼”, 1½” & 2”

6000 series Electronic mixing valve with programmable thermal disinfection, 24 VAC with ANSI 150

RF ﬂanged connections............................................................................................sizes 2½” & 3”

Code 755052 Modbus-to-BACnet gateway

Mixing valve performance

Accuracy: ± 3º F (± 2º C)

Max. operating differential pressure (dynamic): 20 psid (1.4 bar)

Max. ratio between inlet pressures (H/C or C/H): 2.1

Certifications

1. ASSE 1017/CSA B125.3, certified by ICC-ES, file PMG-1357.

2. Meets the requirement of CSA Z317.1 Special Requirement for Plumbing Installations in Health

Care Facilities, certifed by ICC-ES, file PMG-1357.

3. Complies with NSF/ANSI 372, Drinking Water System Components Lead Content Reduction of

Lead in DrinkingWater Act, California Health and Safety Code 116875S.3874, Reduction of Lead

in Drinking Water Act, as certifed by ICC-ES, file PMG-1360.

Controller, LCD user interface/display

Materials: - Housing: self-extinguishing ABS, color white RAL 1467

- Cover: self-extinguising SAN, smoked transparent

Electric supply: 24 VAC (min 21.6, max 26.0 VAC)- 50/60 Hz

(115/24 VAC transformer included in package)

Power consumption: 6.0 VA

Adjustment temperature range: 70 - 185°F (20 - 85°C)

Disinfection temperature range: 100 - 185°F (40 - 85°C)

Ambient temperature range: 32 - 120°F (0 - 50°C)

Protection class: IP 54 (wall mounting)

(Class II appliance)

Mounting bracket: DIN rail

Mixing valve actuator current draw: 1 A max / 24 V

Alarm relay rating (R2): 5 A resistance (2 A inductance) / 24 V

Contact rating (R1, R3, R4): 10 A resistance (2 A inductance) / 24 V

(A 50 VA Class 2 120/24 VAC transformer is included)

Fuses: 1 (main): 400 mA

Fuses: 2 (mixing valve): 1 A

Charge reserve: 15 days in the event of electric supply failure,

with a 3 cell rechargeable 3.6 V 140 mAh buffer battery

Battery recharging time: 140 hours

Approvals: CE, FCC part 15

Temperature sensors

Body material: stainless steel

Type of sensitive element: NTC

Working temperature range: 14 - 260°F (-10 - 125° C)

Resistance: 10,000 Ohms at 77° F (25° C)

Time constant: 2.5

Max. distance for mixed outlet or return (recirculation) sensor:

500 ft (150 m) cable 2 conductor x AWG 18

800 ft (250 m) cable 2 conductor x AWG 16

Recommended Flow Rates (gpm/lpm)

Size ¾" 1" 1¼" 1½" 2" 2½" 3"

Minimum (1) 2.2 / 8.3 3.1 / 11.7 4.4 / 16.6 6.6 / 25 8.8 / 33.3 17.0 / 64 22.0 / 83.3

Design Flow (2) 27 / 102 58 / 220 66 / 250 93 / 352 131 / 495 288 / 1,090 329 / 1,245

Maximum (3) 43 / 172 94 / 356 107 / 405 152 / 575 215 / 814 470 / 1,780 537 / 2,033

Cv 9.7 21 24 34 47 105 120

Characteristic components

°C

THURSDAY

TM127

•F TR120•F

ADJUSTMENT

RUNNING

1) L egiomix digital regulator

2) Mixing valve

3) Mixing valve actuator

4) Mixed water flow probe

5) R e turn probe (rec irc ulation)

6) Mixed water flow temperature gauge

7) Actuator fixing c lip

1) LEGIOMIX® digital controller

2) Mixing valve

3) Mixing valve 24 V 3-wire ﬂoating actuator

4) Mixed outlet water temperature sensor

5) Return water (recirculation) temperature strap-on sensor

6) Mixed outlet water temperature gauge

7) Actuator mounting clip

8) For Flanged version only: removable operating lever

110 130

150

170

190

210

10/12/2017

Package contents

• Digital controller, consisting of housing and base for electric connection

• DIN bar and mounting wall anchors

• Mixing valve

• Actuator

• Mixed outlet water temperature sensor

• Return water temperature strap-on sensor

• Spare fuses

• Installation and commissioning manual

• 115 / 24 VAC transformer

°C

100

120

1. LEGIOMIX®digital controller

2. Mixing valve

3. Mixing valve 24V 3-wire ﬂoating actuator

4. Mixed outlet water temperature sensor

5. Return water (recirculation) temperature strap-on sensor

6. Mixed outlet water termperature gauge

8. For Flanged: removable operating lever

CONSULT TECHNICAL BROCHURE 1086 FOR COMPLETE GUIDANCE ON SIZING AND SELECTION.

(1) To ensure stable operation and a ± 3° F accurate temperature control. Minimum ﬂow rate is 0 gpm when

recirculation ﬂow rate is greater than or equal to the valve size minimum ﬂow rating.

(2) Suggested maximum ﬂow rate for optimum modulating control (at 7.5 psid pressure drop).

(3) Maximum recommended differential pressure is 20 psid to ensure stable operation and accurate temperature control.

Operating principle

The electronic mixing valve mixes hot water from storage and cold water from the main supply

to maintain a constant controlled set temperature of mixed water at the outlet. The controller

measures the temperature of the mixed water at the valve outlet with temperature sensor and

modulates the mixing valve position to maintain the desired set temperature. Despite variations

in pressure drop or hot and cold water usage or variations in inlet temperature, the LEGIOMIX

automatically controls the water temperature to meet the temperature setting.

A built-in clock is used to enable optional disinfection cycle programs. The system is disinfected

by raising the water temperature to a speciﬁc value for a speciﬁc time duration. Using the

recirculation temperature sensor, water returning from the distribution circuits can be measured

for thermal distribution control. This measured temperature is used to check and control the

temperature reached over all or part of the distribution network with this sensor placed at the

end of the recirculation piping circuit.

The LEGIOMIX

can be used to confirm that the correct temperature and time for thermal disinfection

have been reached before taking the appropriate corrective action. All the parameters are updated

every day and logged, with temperatures recorded every hour.

There is an RS-485 connection for

remote monitoring and configuration and, with specific relays, makes alarm signals and controls

available to other interconnected system devices. A Modbus-to-BACnet gateway and inlet

check valves are available separately.

°C

LEGIOMIX®

Modbus-to-BACnet Gateway

BACnet

Building Automation System

Modbus

Building Automation System

recirculation sensor

mixed outlet sensor

Modbus-to-BACnet gateway for remote control

The LEGIOMIX Modbus-to-BACnet gateway, code 755052, allows the transfer of data to a

Building Automation System using BACnet communication protocol.

CAUTION: Risk of electric shock. The back panel and mixing valve contain live circuits. Cut

off the electric supply before performaning any work. Failure to follow these instructions may

result in personal injury or damage to property.

OkMenuShock

Mixed °C Return °C

TUESDAY 1 / 02/ 2017

ADJUSTMENT

IN PROGRESS

°C

110130

150

170

190

210

Relaycontacts

Relay 1

Relay 2

Relay 3

Relay 4 FLUSH VALVES

(reduce temperature)

2nd THERMOSTAT

(aquastat)

ALARM (unsuccessful

disinfection cycle)

RECIRC PUMP

(disinfection)

RS485 MODBUS 2-WIRE

COMMUNICATION*

24 VAC

OPTIONAL MODBUS/

BACNET GATEWAY

ETHERNET TO LAN

24 VAC FLOATING CONTROL

MIXED OUTLET WATER

TEMPERATURE SENSOR

RETURN WATER

TEMPERATURE STRAP-ON SENSOR

*RS485 ModBus is integral to the

controller. It may be used directly

and requires “mapping” by the

user to access the data, OR,

Optional gateway converts

ModBus data to BACnet data,

available to BAS (or any BACnet).

SPL

RUN

ERR

PWR

GND

Rx/-

Tx/+

+PWR

-PWR

FRAMEGND

RELAY 1, 2, 3, 4

LEGIOMIX

T 1A

T 400 mA

FUSE 1

(Main)

RS485

MIXED PROBE

RETURN PROBE

COM

161718

FUSE 2

(Mix)

RL 3

RL 4

RL 1

RL 2

10(2) A

24 V~

5(2) A

24 V~

10(2) A

24 V~

10(2) A

24 V~

1A/24V~

24 V~

1A/24V~

COM

OPEN

Manufactured by: PERRY ELECTRIC S.r.l.

Via Milanese, 11 - 22070 VENIANO (CO) - ITALY

Type 1CLCL002V24

POWER SUPPLY: 24 V~ 6 VA

IP 54

T50

H0002885 controller

Series 6000

BLACK

BLUE

BROWN

YELLOW-

GREEN*

Common

Open

Ground

Actuator has 3 extra wires (red/white/green) for an

end switch and are not used.

Actuator-to-Control Wiring

Back panel

disable

Reset

Appliancefuse

400 mA-250Vdelayed

Mixingvalve fuse

1A-250 V delayed

RelaycontactsElectric

supply

24 V

Mixing

valve

BatteryconnectedBatterydisconnected

Batteryconnection

Thermalshock

activation

Shock

enabled

Shock

disabled

(factory setting)

Temperature

sensors

Mixed outlet

Return

Common

Relay 1

Relay 2

Relay 3

Relay 4

Closes

Common

Opens

Earth

Neutral

Live

PINcode

disablingbutton

Resetbutton

Screw to close

the front cover

withhole

forlead-sealingRS485

Interface

terminal

Microswitch

forenabling

thermalshock

function

Temperature

sensor terminal

Battery

To remove the electrical wiring base, turn it round and extract it from its housing.

–

Connecting temperature sensors:

The cable connecting the mixed temperature outlet and return temperature sen-

sors must be installed in a dedicated raceway. If the connection cable shares

the raceway with other live cables, an earthed shielded cable must be used.

In case of reverse polarity or power failure the system enters the BATTERY

ALARM STATUS, see “Alarms” section.

Buttons and terminals on side view

The base has two buttons, which can be accessed by opening the front cover:

-Reset button

-PIN code disabling button

side view

ºF ºC ΩºF ºC ΩºF ºC ΩºF ºC Ω

-5 -20 100254 60 15 15310 130 54 3049 200 93 829

5 -15 72937 70 21 11882 140 60 2489 210 99 702

15 -10 53669 80 27 9297 150 65 2044 220 104 598

25 -4 39919 90 32 7333 160 71 1688 230 110 511

32 0 32648 100 38 5827 170 77 1402 240 115 439

40 4 26100 110 43 4664 180 82 1171 250 121 378

50 10 19900 120 49 3758 190 88 983

Temperature sensor resistance values

Location of cable connectors

B attery disconne

B attery conn ected

ock disabled

factory setting) B a tte ry c o nne c tio n

ho c k

B attery

345

When making the electrical

connections, follow this sequence

for wiring the terminal strip and

tightening the seals:

1. Power supply

2. Mixing valve control

3. Mixed outlet temperature sensor

4. Return temperature sensor

5. RS485

6. Relay 3

7. Relay 1

8. Relay 4

9. Relay 2

Strain relief cord connectors (white)

are provided for all 9 controller

housing holes. Clear plastic plugs

also provided for unused holes.

Enabling functions-

Dipswitch settings

-Thermal Shock enable/disable.

-Internal battery (do this during

installation)

disable

Reset

Appliancefuse

400 mA-250Vdelayed

Mixingvalve fuse

1A-250 V delayed

RelaycontactsElectric

supply

24 V

Mixing

valve

BatteryconnectedBatterydisconnected

Batteryconnection

Thermalshock

activation

Shock

enabled

Shock

disabled

(factory setting)

Temperature

sensors

Mixed outlet

Return

Common

Relay 1

Relay 2

Relay 3

Relay 4

Closes

Common

Opens

Earth

Neutral

Live

PINcode

disablingbutton

Resetbutton

Screw to close

the front cover

withhole

forlead-sealingRS485

Interface

terminal

Microswitch

forenabling

thermalshock

function

Temperature

sensor terminal

Battery

To remove the electrical wiring base, turn it round and extract it from its housing.

–

ATTENTION: If the battery is not activated the battery alarm will be displayed.

CAUTION!

The controller is congured to automatically execute a daily rotation cycle to ensure ef-

cient ball operation and cleaning. This occurs directly after the disinfection program, if

active, or after 24 hours have elapsed if disinfection is not active. Deactive this function

through the ANTI-CLOG setting by entering the release code 5566 and conrming with ON-

OFF. Eliminating this function increases the risk of deposits forming on moving parts of

valve. If it is necessary to eliminate the disinfection function as well, proceed as follows:

1. disable the ANTI-CLOG function; 2. eliminate the disinfection function.

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