ThermoFlow Elex 8.5PEB Assembly instructions

Electrically Controlled Tankless Water Heater
Installa�on Guide, User Manual, and Warranty Informa�on
TM
Electrically
Controlled
Tankless Water
Heater
TM
Elex 8.5PEB / Elex 10PEB
Elex 12PEB
Elex 15FEB / Elex 18FEB
Elex 21FEB / Elex 24FEB
compact & comfort manual thermoflow -na -bare.indd 1 2020/3/24 17:16

TM
2
Electric Tankless Water Heater - Installation Manual and User Guide
EN
0. Contents
Contents............................................................................................2
Safety Instructions.............................................................................3
Mounting Instructions ........................................................................7
Technical Specifications...................................................................20
User Manual ....................................................................................24
Maintenance....................................................................................25
Troubleshooting ...............................................................................26
Warranty Conditions.........................................................................29
compact & comfort manual thermoflow -na -bare.indd 2 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
3
EN
1. Safety Instructions
Congratulations and thank you for choosing our instant water heater. The instruction contains
important information about commissioning, switching the device on and maintenance. To en-
sure your safety and that of others we recommend you read through this safety manual carefully.
Please refer to the back of the manual for details about the warranty. Keep this manual for future
reference.
If you lose the manual, contact your local distributor or manufacturer. When you call, please tell
us the model number and the serial number of your unit written on the rating plate of the water
heater.
Symbols used in this manual
The following symbols are used in these instructions/appear on the appliance:
Certified by CSA.
Failure to observe this instruction may expose you or others to danger.
Failure to observe this instruction may lead to damage to the device.
Indicates live parts.
Failure to observe this instruction may lead to damage to the device or danger to
you or others.
Please read the manual.
Hazardous materials and waste electrical and electronic equipment should be tak-
en to a designated recycling point.
IMPORTANT SAFETY INSTRUCTIONS
When using this electrical equipment, basic safety precautions should always be
followed, including the following.
READ AND FOLLOW ALL INSTRUCTIONS
All supply circuits must be disconnected before removing cover. Supply this ap-
pliance only from a grounded system. A wire connector marked “ ” is provided
for wiring the appliance. Connect the connector to the grounding terminal of the
electric service or supply panel with a continuous copper wire in accordance Ca-
nadian Electrical Code, Part I.
compact & comfort manual thermoflow -na -bare.indd 3 2020/3/24 17:16

TM
4
Electric Tankless Water Heater - Installation Manual and User Guide
EN
This product shall be protected by a Class A ground fault circuit interrupter.
This appliance is not intended for use by persons (including children) with re-
duced physical, sensory or mental capabilities, or lack of experience and knowl-
edge, unless they have been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
The maximum inlet water pressure: 1.0 MPa (150 PSI).
The minimum inlet water pressure: 0.1 MPa (15 PSI).
WARNING
Before obtaining access to terminals, all supply circuits must be disconnected.
After service work is complete, proceed as during the first-time appliance start-
up.
The connection diagram or wiring diagram is marked. (Located on inside of Front
Enclosure)
CAUTION
1. DO NOT INSTALL IN A BATH ENCLOSURE OR SHOWER STALL OR CONNECT TO A
SALT- REGENERATED WATER SOFTENER OR A WATER SUPPLY OF SALT WATER
2. CONNECT ONLY TO A CIRCUIT PROTECTED BY A CLASS A GROUND FAULT CIR-
CUIT INTERRUPTER
For use on an individual branch circuit only.
USE COPPER CONDUCTORS ONLY
USE BONDING CONDUCTOR IN ACCORDANCE WITH THE CANADIAN ELECTRICAL
CODE, PART I
Each individual heating element is marked with the manufacturers’s part number
or its electrical rating in voltage and amperes/watts.
The specific spacing between the appliance and adjacent surface.
SAVE THESE INSTRUCTIONS
compact & comfort manual thermoflow -na -bare.indd 4 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
5
EN
CONSIGNES DE SÉCURITÉ IMPORTANTES
Lors de l'utilisation de cet équipement électrique, des précautions de sécurité
élémentaires doivent toujours être suivies, notamment les suivantes.
LIRE ET SUIVRE TOUTES LES INSTRUCTIONS
Tous les circuits d’alimentation doivent être débranchés avant de retirer le cou-
vercle. Alimentez cet appareil uniquement à partir d’un système mis à la terre. Un
connecteur de fil portant la mention « » est fourni pour le câblage de l’appareil.
Raccordez le connecteur à la borne de mise à la terre du panneau de service ou
d’alimentation avec un fil de cuivre continu conformément au code d’installation
électrique.
Ce produit doit être protégé par un disjoncteur de fuite à la terre de classe A.
Cet appareil n’est pas destiné à être utilisé par des personnes (y compris des
enfants) ayant des capacités physiques, sensorielles ou mentales réduites, ou
manquant d’expérience et de connaissances, à moins d’avoir été supervisées ou
instruites concernant l’utilisation de l’appareil par une personne responsable de
leur sécurité.
Les enfants doivent être surveillés pour s’assurer qu’ils ne jouent pas avec l’ap-
pareil.
La pression maximale d’entrée d’eau: 1.0 MPa (150PSI).
La pression minimale d’entrée d’eau: 0.1 MPa (15PSI).
AVERTISSEMENT
Avant d’accéder aux bornes de raccordement, tous les circuits d’alimentation
doivent être déconnectés.
Le schéma de connexion ou le schéma de câblage est marqué. (Situé à l’intérieur
de l’enceinte avant)
ATTENTION
1. NE PAS INSTALLER DANS L’ENCEINTE D’UNE BAIGNOIRE OU UNE CABINE DE
DOUCHE ET NE PAS RACCORDER À UN ADOUCISSEUR À RÉGÉNÉRATION AU SEL
NI À UNE ALIMENTATION EN EAU SALÉE.
2. BRANCHER UNIQUEMENT À UNE DÉRIVATION PROTÉGÉE PAR UN DISJONCTEUR
DIFFÉRENTIEL DE CLASSE A.
Pour utilisation sur un circuit de branche individuel uniquement.
compact & comfort manual thermoflow -na -bare.indd 5 2020/3/24 17:16

TM
6
Electric Tankless Water Heater - Installation Manual and User Guide
EN
EMPLOYER UNIQUEMENT DES CONDUCTEURS DE CUIVRE.
POSER UN CONDUCTEUR DE CONTINUITÉ DES MASSES CONFORME AU CODE CAN-
ADIEN DE L’ÉLECTRICITÉ, PREMIÈRE PARTIE.
Chaque élément chauffant porte le numéro de pièce du fabricant ou son calibre
électrique en tension et en ampères / watts.
L’espacement spécifique entre l’appareil et la surface adjacente.
CONSERVEZ CES INSTRUCTIONS
The appliance is not to be installed in locations where freezing can occur.
The resistivity of the water supply must not be less than 3300 Ω•in.
The appliance must be grounded properly!
The appliance is close-outlet type, the water connection of this appliance must
be connected to unvented water heating system.
No changes may be made to the appliance.
If the supply cord is damaged, it must be replaced by the manufacturer, its ser-
vice agent or similarly qualified persons in order to avoid a hazard.
Declaration of conformity
We hereby declares that the Thermoflow devices comply with the following standards:
• CAN/CSA E60335-2-35
• CAN/CSA-C22.2 No. 60335-1
• UL 499
Standards and regulations
The installation (plumbing and electrical work), commissioning and maintenance of this
appliance should only be undertaken by personnel with electrical engineering qualifica-
tions and in accordance with the relevant standards and regulations (BSI, etc.) and this
manual.
The following should also be observed:
• The appliance name plate;
• The technical specifications.
Connection to the water supply
Compatible cold water pipe materials: steel, copper and plastic.
compact & comfort manual thermoflow -na -bare.indd 6 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
7
EN
2. Mounting Instructions
Electrical installation
The appliance must be permanently connected to fixed wiring.
The device has been prepared for connection to the electrical supply.
These units require a 240V, single-phase supply. Please take reference of the rating
plate on device.
Please take reference of the following diagram to connect
power supply with Elex 8.5/10/12 PEB.
GR GR
L2
L1
ThermoflowTM
Tankless
Water Heater
Circuit
Beaker Electric Panel
240V~
60Hz
Please take reference of the following diagram to connect
power supply with Elex 15/18/21/24 FEB.
GR
GR
L2L1L2L1
Electric Panel
ThermoflowTM
Tankless Water Heater
Circuit
Beaker
01
Circuit
Beaker
02
240V~
60Hz
240V~
60Hz
compact & comfort manual thermoflow -na -bare.indd 7 2020/3/24 17:16

TM
8
Electric Tankless Water Heater - Installation Manual and User Guide
EN
Circuit diagram for Elex 8.5/10 PEB
Heating element
Over-pressure cutoff
Outlet Inlet
Main control PCB
TRIAC
Thermal
cutoff
L1
L2
Circuit diagram for Elex 12PEB
Heating element
Over-pressure cutoff
Outlet Inlet
Main control PCB
TRIAC
Thermal
cutoff
L1
L2
compact & comfort manual thermoflow -na -bare.indd 8 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
9
EN
Circuit diagram for Elex 15FEB
Circuit diagram for Elex 18/21/24 FEB
Unpacking
Check if the device has been damaged in any way.
compact & comfort manual thermoflow -na -bare.indd 9 2020/3/24 17:16

TM
10
Electric Tankless Water Heater - Installation Manual and User Guide
EN
Contents
• 1 device (Elex 8.5/10/12 PEB)
• 1 mounting template
• 1 bag of installation materials, contents:
① 1 filter mat
② 4 spacers
③ 1 gasket
④ 4 screws
⑤ 4 anchors
Contents
• 1 device (Elex 15/18/21/24 FEB)
• 1 mounting template
• 1 bag of installation materials, contents:
① 1 inlet connector kit
② 1 outlet connector
③ 2 gaskets
④ 4 spacers
⑤ 4 anchors
⑥ 4 screws
Tools
You will require the following tools for the installation:
• Phillips-head screwdriver
• Open-ended spanner 7/8”
• Teflon tape
• Drill
• 5/16” stone or concrete drilling bits
• Pencil
• Adhesive tape
• Wire stripper
Environment
To prevent damage during transport this unit is supplied in robust packaging. Please
recycle the packaging where possible.
Disposal of the appliance
Old appliances must not be disposed of in your household waste!
Every consumer is legally obliged to dispose of old appliances separately from their
household waste and to take them, for example, to a collection point in their local com-
munity or local district. Old electrical appliances will be accepted there free of charge.
This ensures that the old appliances are properly recycled and any negative impacts
on the environment are avoided. This is why electrical appliances are marked with the
symbol shown on the left.
①
②
③
④
⑤
①②
③
⑥
⑤
④
compact & comfort manual thermoflow -na -bare.indd 10 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
11
EN
Preparing for installation
The water and electricity supply need to be available at the place where the device is to
be supplied. If the electricity cable is buried in the wall then use the supplied spacers. If
the electricity cable is fixed to the wall then the device can also be fixed straight to the
wall.
The installation location for the appliance should keep away from the shower.
This appliance must be grounded properly!
Make sure taps/flow control device be install on the outlet of the appliance!
The appliance must be connected to a ground fault circuit interrupter.
Locate the installation location of the appliance
Make sure the clearance meet the requirement of following diagram.
Top clearance 4”
Bottom clearance 8”
Right clearance 4”Left clearance 4”
Front clearance 4”
Back clearance 1”
Top clearance 4”
Bottom clearance 8”
Right clearance 4”Left clearance 4”
Front clearance 4”
Back clearance 1”
Please scan the following QR code to watch installation videos
on YouTube for reference.
Elex 8.5/10/12 PEB Elex 15/18/21/24 FEB
compact & comfort manual thermoflow -na -bare.indd 11 2020/3/24 17:16

TM
12
Electric Tankless Water Heater - Installation Manual and User Guide
EN
Elex 8.5/10/12 PEB
1
2
A1.
1
A2.
Display plug
2
A3.
MOUNTING TEMPLATE
PLANTILLA DE MONTAJE
Connection to wall
Conexión a la pared
Warm water connection
Conexión de agua caliente
Cold water connection
Conexión de agua fría
Input electric cable
Cable de entrada eléctrico
Connection to wall
Conexión a la pared
Connection to wall
Conexión a la pared
Connection to wall
conexión a la pared
8mm / 5/16”8mm / 5/16” 8mm / 5/16”8mm / 5/16”
Mindestabstand zur Decke Minimumdistance to the ceiling Distancia mínima al techo
10 cm
4”
10 cm
4”
10 cm
4”
20 cm
8”
Mindestabstand zur Wand
Minimumdistance to the wall
Distanciamínima a la pared
Mindestabstand zur Wand
Minimumdistance to the wall
Distanciamínima a la pared
Mindestabstand zum Boden
Minimumdistance to the ground
Distanciamínima al suelo
A4.
compact & comfort manual thermoflow -na -bare.indd 12 2020/3/24 17:16

TM
Electric Tankless Water Heater - Installation Manual and User Guide
13
EN
Elex 8.5/10/12 PEB
max. 1”
A5.
A6.
A7.
1”
6”
L1
L2
A8.
L1 L2
Push the button
to reset the switch
compact & comfort manual thermoflow -na -bare.indd 13 2020/3/24 17:17

TM
14
Electric Tankless Water Heater - Installation Manual and User Guide
EN
Elex 8.5/10/12 PEB
A9.
Two wrenches
should be used to
fix the tube to the
inlet and outlet!
Filter mat must be
installed to the inlet!
A10.
3
2
Display plug
1
A11.
inletoutlet filter matgasket
compact & comfort manual thermoflow -na -bare.indd 14 2020/3/24 17:17

TM
Electric Tankless Water Heater - Installation Manual and User Guide
15
EN
Elex 15/18/21/24 FEB
1
B1.
2
B2.
2
1
Display plug
B3.
MOUNTING TEMPLATE
Minimum distance from wall Minimum distance from wall
Warm waterconnection Cold water connection
Minimum distance to the ground
Minimum distance to the ceiling
Connection to wall Connection to wall
Input electric cable
Screws, washers and anchors
5/16”
5/16”
5/16”
4”
8”
4” 4”
5/16”
Rev02 NA
B4.
4”
2”
pipe wall
pipe wall
Don’t over-tighten the connections!
Use a spanner!
Max 18 Nm
Arrow on the inlet connector
must be installed outward
from the wall!
compact & comfort manual thermoflow -na -bare.indd 15 2020/3/24 17:17

TM
16
Electric Tankless Water Heater - Installation Manual and User Guide
EN
Elex 15/18/21/24 FEB
B5.
B6.
max. 1”
B7.
B8.
Inlet Connector
Outlet Connector
Gasket
Gasket
compact & comfort manual thermoflow -na -bare.indd 16 2020/3/24 17:17

TM
Electric Tankless Water Heater - Installation Manual and User Guide
17
EN
Elex 15/18/21/24 FEB
B9.
1”
6”
L1
L2
L1
L2
B10.
Push the button
to reset the switch
L1L2 L1 L2
3
4
B11.
2
1
Display plug
B12.
Inlet
Outlet
compact & comfort manual thermoflow -na -bare.indd 17 2020/3/24 17:17

TM
18
Electric Tankless Water Heater - Installation Manual and User Guide
EN
The appliance must be grounded properly!
The filter mat contained in accessory bag must be installed when connecting
with inlet(cold) water pipe or hose!
Ground fault circuit interrupter must be installed with the appliance, please take
page.20 to 22 for the selection of interrupter.
For Elex 8.5/10/12 PEB
See image A1, A2
Remove the screw with a Phillips-head screwdriver and open the top cover. Remove
the display plug, remove the top cover and put aside.
See image A3
1. Use two pieces of tape to fix the template on the wall where the device is to be in-
stalled.
2. Drill four 5/16” holes through the template.
See image A4, A5, A6, A7, A8
1. Insert the anchors into the holes drilled at last step.
2. Install the appliance with the supplied screws and spacers.
3. Cut the cable to the required length and connect it to the terminal block, press the
button to reset the switch, as indicated in A8.
This appliance must be grounded properly!
The electrical connection should be made by a qualified electrician, in accor-
dance with the relevant regulations (IEC, NEC, etc.)
See image A9, A10, A11
1. Insert the display plug, and install the top of the housing.
2. Install the screw at the bottom.
3. Install the hot water pipe to the left, and install the cold water supply to the right.
Make sure the connections are watertight!
4. Switch on the circuit breaker, turn on the appliance and open the hot water tap, wait
for about 20 secs before the appliance start working.
Make sure only fittings for close-outlet water heaters can be used!
Make sure taps/flow control device be install on the outlet of the appliance!
Make sure the filter mat in the inlet is installed, as indicated in A9 and A11.
For Elex 15/18/21/24 FEB
See image B1, B2
Remove the screw with a Phillips-head screwdriver and open the top cover. Remove
the display plug and remove the top cover and put beside. Detach the support from the
bottom housing.
compact & comfort manual thermoflow -na -bare.indd 18 2020/3/24 17:17

TM
Electric Tankless Water Heater - Installation Manual and User Guide
19
EN
See image B3, B4
1. Use two pieces of tape to fix the template on the wall where the device is to be in-
stalled.
2. Drill four 8mm holes through the template, as indicated in B3.
3. Install cold water inlet connector and gasket to cold water supply (in the wall) on the
right, and hot water outlet connector to hot water supply (in the wall) on the left, as
shown in B4. Teflon tape can be used for sealing the threads. Make sure the arrow
on the inlet connector outward from the wall.
See image B5, B6, B7, B8, B9, B10
1. Insert the anchors into the holes drilled at last step.
2. Install the appliance with the supplied screws and spacers.
3. Install the hot water pipe to the left, and install the cold-water supply to the right, as
indicated in B8. Make sure the connections are watertight! To prepare the connec-
tion to the water supply, Teflon tape can be used for sealing the threads.
4. Cut the cable to the required length and connect it to the terminal block, press the
button to reset the switch, as B9 and B10 shown.
This appliance must be grounded properly!
The electrical connection should be made by a qualified electrician, in accor-
dance with the relevant regulations (IEC, NEC, etc.)
See image B11, B12
1. Attach the support to the bottom housing.
2. Insert the display plug.
3. Install the top of the housing.
4. Install the screw at the bottom.
5. Switch on the earth leakage circuit breaker, turn on the appliance and open the hot
water tap, wait for about 20 secs before the appliance start working.
Make sure only fittings for close-outlet water heaters can be used!
Make sure taps/flow control device be install on the outlet of the appliance!
Make sure inlet connector are installed as indicated in B4.
Commissioning
• Fill the device and vent it by opening a hot water tap connected to it.
• Only switch on the electrical supply once the device is clear of any air.
• Check the operation of the device.
Frost
The appliance is not to be installed in locations where freezing can occur.
The device should be installed in a vertical position in a room protected from frost and
in the proximity of the water connections.
In case the room cannot be protected against frost, the device should not be installed in
this room. Should the device be installed in such a room, the device should be emptied
before the frost danger will occur.
Do not switch on if there is a possibility that the water in the device is frozen.
compact & comfort manual thermoflow -na -bare.indd 19 2020/3/24 17:17

TM
20
Electric Tankless Water Heater - Installation Manual and User Guide
EN
3. Technical Specifications
Technical specifications
Compact series Elex 8.5PEB Elex 10PEB Elex 12PEB
Electric supply 240V 60Hz 240V 60Hz 240V 60Hz
Nominal power rating 6.4 kW @ 208V 7.5 kW @ 208V 9 kW @ 208V
8.5 kW @ 240V 10 kW @ 240V 12 kW @ 240V
Nominal current 31 A @ 208V 36 A @ 208V 43 A @ 208V
35 A @ 240V 42 A @ 240V 50 A @ 240V
Ground fault circuit interrupt-
er 2-POLE 40A 2-POLE 50A 2-POLE 60A
Cable size 8 AWG 8 AWG 6 AWG
Resistivity of the water supply ≥ 3300 Ω•in ≥ 3300 Ω•in ≥ 3300 Ω•in
Flow rate (Δt=45°F) @ 240V 1.2 GPM 1.5 GPM 1.8 GPM
Flow rate (Δt=65°F) @ 240V 0.8 GPM 1.1 GPM 1.2 GPM
Heating system Bare element Bare element Bare element
Temperature range 95 - 140 °F 95 - 140 °F 95 - 140 °F
Switch on flow rate 0.58 GPM 0.58 GPM 0.58 GPM
Non-usage consumption < 1Wh/h < 1Wh/h < 1Wh/h
Protection class IP25 IP25 IP25
Unit dimensions 13¾ x 7⅞x 4¾” 13¾ x 7⅞x 4¾” 13¾ x 7⅞x 4¾”
Unit weight 5.4 lb 5.4 lb 5.4 lb
Water connections 1/2" NPT 1/2" NPT 1/2" NPT
Max. inlet water pressure 150 PSI 150 PSI 150 PSI
Min. inlet water pressure 15 PSI 15 PSI 15 PSI
Switch on flow pressure 15 PSI 15 PSI 15 PSI
compact & comfort manual thermoflow -na -bare.indd 20 2020/3/24 17:17