TABLE OF CONTENTS
Introduction 1
General Information
Document Scope
Product Certications
Proper Use
Installer Requirements
Warranty Information
System Overview 2
System Details
How Does the System Work?
T-TAS Energy Bank
T-HPAB Heat Pump
T-UAS Solar Collector
Product Installation Guide 6
Installation Preparation
Energy Bank Installation
HP Heat Pump Installation
Heat Pump Wiring
Mounting Information
Mounting Installation
Collector Plumbing
Installing Circulation Pump
Installing Controller
System Installation 14
Tivok Domestic Split System
System Operation 20
Modication Warning
Understanding the Digital Solar Loop Controller
Operational Logic
Temperature Display
Basic System Maintenance
System Precautions 22
Water Quality
Water Safety
Hail Protection
Lightning Protection
Freeze Protection
Stagnation and No-Load Conditions
Completing Installation 23
Filling the Tank
Piping Insulation
System Test and First Run
System Maintenance 24
Evacuated Tube Replacement
Troubleshooting 26
Controller
Circulation Pump
Heat Pump
Solar Collectors
System Commissioning 27
Installer Detail
Commissioner Details
Owner Details
System Description
System Checklist
Appendix 28
Glossary
Notes 29
The information contained in this manual is correct as of the st
of May . Further modifcations may be made without notice.
Please contact Tivok Energy if you wish to ensure you are using
the latest documentation.
Tivok Energy Domestic Thermal Installation Manual of
INTRODUCTION
GENERAL INFORMATION
Thank you for choosing a Tivok Energy Thermal System. We
appreciate your business and your contribution to a greener
tomorrow.
This guide contains information regarding the installation and
safe operation of Tivok Energy Thermal Systems.
Please follow these instructions carefully and observe all safety
precautions.
Before installing a solar thermal system, you should familiarise
yourself with the mechanical and electrical requirements for such
systems.
Installing solar thermal technology requires specialised skills and
knowledge, therefore it should only be performed by qualied and
licensed installers.
CAUTION
Please read all instructions carefully. Failure to read this guide
completely before starting the installation process may result
in component or system failure.
DOCUMENT SCOPE
This installation and operation manual is designed to cater to
the needs of end-users and installers and describe the correct
installation and operation procedures of a Tivok Energy Thermal
System.
PRODUCT CERTIFICATIONS
By complying to these Standards, Tivok Energy can guarantee the
reliability and performance of our products.
Tivok Energy ensures compliance with the following Australian
and International Standards:
• AS/NZS : — Solar and Heat Pump Water Heaters
– Design and Construction.
• AS : — Authorization requirements for plumbing
products – Water heaters and hot-water storage tanks
• AS/NZS .: — Heat pump water heaters –
Performance assessment — Air source heat pump water
heaters
• AS/NZS .: — Structural design actions – Wind
actions
• AS/NZS : — Aluminium structures limit state
design
• AS/NZS : — Cold-formed steel structures
• RoHS — Restriction of Hazardous Substances directive
PROPER USE
Tivok Energy Thermal Systems are designed for outdoor use,
and depending on the component can be mounted on support
frames, stands, or at surfaces.
When installing the system, observe all local, regional and national
statutory regulations, which may include obtaining a building
permit and council approval.
WARNING
All instructions should be read and understood before
attempting to install, wire, operate, and maintain the system.
Failure to do so may result in system failure or installer injury.
INSTALLER REQUIREMENTS
All Tivok Energy installations must be conducted by a licensed
plumber and a licensed electrician, in accordance to all of the
requirements of this manual, as well as local codes, regulatory
authorities and occupational health and safety guidelines.
All installations must be in accordance to:
• AS/NZS . — Solar and Heat Pump Water Heaters:
Design and Construction
• AS/NZS — National Plumbing and Drainage Code
• AS/NZS . — Heated Water Systems - Calculation
of Energy Consumption
• AS/NZS : — Electrical Installations
WARRANTY INFORMATION
Tivok Energy Solar Thermal Systems have a warranty of years
for heat pump components, with collectors warranted for
years and tank components warranted for years.
WARNING
Any unauthorised modications to the system, including
parts, will void warranty and any liability claims against Tivok
Energy.
The Tivok Energy warranty terms may not be applicable in certain
circumstances which void the warranty. Further information can
be found in the warranty information provided with Tivok Energy
products.
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SYSTEM OVERVIEW
SYSTEM DETAILS
The following section will detail the basic technical information
about our system enabling both the installer and the end-user to
have an understanding of system operation and installation.
HOW DOES THE SYSTEM WORK?
The Tivok Thermal System is a non-pressurised, closed loop
system. Potable water is heated via a heat exchange coil within
the Energy Bank, thus avoiding contamination of the potable
mains water. This feature ensures that the Tivok Thermal System
is suitable for a wider range of applications. The Thermal System
employs two sources of heat generation; Solar Thermal Collectors
and Energy Ecient Heat Pumps, which operate as a booster
during days of low irradiation. The hot water generated by the
collectors is circulated in Energy Banks that store thermal energy
safely in a highly insulated construction to ensure ideal heat
retention.
The solar collectors are a series of highly insulated evacuated
tubes that circulate water and absorb solar energy through direct
ow technology to ensure optimal heat transfer.
The heat pump works by extracting heat energy from the
surrounding air to heat up water that is passed through by a small
pump. The heat pump operating cycle also produces cold-air as a
by-product, which can be ducted for air conditioning applications.
The tank temperature is always maintained at approximately
°C. This is done by heat contributions from both the solar
collector and the heat pump. In case of low or no solar irradiation,
when the temperature sensor in the tank reaches a low set
point temperature and senses that the solar collectors cannot
contribute heat, the heat pumps are automatically run to boost
the tank temperature.
As incoming potable water absorbs energy from the energy
bank, the energy bank heat is replenished by constant
recirculation through the solar collectors and/or the heat pump.
By implementing a heat exchange mechanism, there is never
any cross contamination between the heating medium and the
potable water entering from the mains source (°C) and exiting
the system at a higher temperature (°C). This enables the
system to be used for a wide range of applications.
A heat pump and tank only system is also available.
Tivok Energy Domestic Thermal Installation Manual of
TT500AS ENERGY BANK
Tivok Energy Energy Banks are designed with aesthetic beauty as
well as form and function in mind.
Tivok Energy Energy Banks are oor standing, low pressure and
utilise heat exchange technology making them safe, clean and
easily integrated into any modern environment.
The inner tank design guarantees against corrosion and leakage,
while % thicker insulation means far less heat loss. The inner
core is rotary moulded with high temperature food grade material
to prevent leaking and corrosion. Together, this leads to a far
greater level of thermal energy conservation.
The biggest advantage of our heat exchanger type storage tanks
is its ability to heat water for more than just one form of usage,
ranging from showers, swimming pools and spas to hairdressers
and beauty salons to potable drinking water.
MODEL DETAILS
Model T-TAS
Capacity litres
Height mm
Width mm
Length mm
Weight (empty) kg (empty)
Weight (lled) kg (lled)
Maximum coil pressure kPa
Maximum tank pressure kPa
FITTING TYPE
Front Fittings Male DN BSP ¾”
Top Fittings Female DN BSP ”
Potable Water Fittings Male DN BSP ¾”
Collector Return Fitting Female DN BSP ¾”
Potable Hot
T3
Collector
return
Float Switch
Potable Cold
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THP20AB HEAT PUMP
Through advanced design concepts based on the laws of thermal
dynamics and physical changes in chemical states, Tivok Heat
Pumps are able to absorb ambient air temperature in order to
modify the temperature of water.
Most of the energy used by the heat pump in producing hot water
does not come from electricity, but rather from the energy derived
from the ambient air temperature, energy that exists in nature
and does not cost any money to purchase.
Due to the low boiling point of the refrigerant that Tivok Heat
Pumps use, our Heat Pumps are guaranteed to operate even in
freezing conditions and have an extremely low cost of operation.
Heat Pumps alone can generate energy savings of up to %
compared to conventional water heating technologies, this can
then be further improved when combined with Solar Collectors.
MODEL DETAILS
Model T-HPAB
Heating output .kW
Power input .kW
Max power input .kW
Max input current .A
Rated input current .A
Coecient of performance . (subject to weather)
Height mm
Width mm
Length mm
Weight kg
Dened output quantity litres/hour
Outlet ttings DN
HEAT EXCHANGER SPECIFICATIONS
Pressure drop kPa
Noise level <dBa
Refrigerant RA
Compressor quantity
Compressor make Panasonic
Compressor type Rotary
Tivok Energy Domestic Thermal Installation Manual of
TU5812AS SOLAR COLLECTOR
Tivok Energy Evacuated U-Tube Solar Collectors are made of a
series of modular tubes, operating in parallel conguration, whose
number can be increased or reduced depending on hot water
requirements. This type of collector consists of rows of parallel
transparent glass tubes, each of which contains an absorber tube
(in place of the absorber plate to which metal tubes are attached
in a at-plate collector).
In our evacuated U-tube collector, sunlight passing through the
outer glass tube heats the absorber tube contained within it,
which consist of copper (glass-metal design). A heat transfer
uid (water) is pumped through a U-shaped copper tube placed
in each of the glass collector tubes which is heated by the heat
energy trapped immediately outside the copper tube. The heated
liquid then circulates through a heat exchanger and gives o its
heat to water in that tank. Evacuated U-Tube collectors heat to
higher temperatures, providing up to % more solar with some
models providing considerably more solar yield per square metre
than at panels.
Evacuated tube collectors perform better than at plate collectors
in cold climates because they only rely on the light they receive
and not the outside temperature. For a given absorber area,
evacuated tubes can maintain their eciency over a wide range
of ambient temperatures and heating requirements.
MODEL DETAILS
Model T-UAS
Tubes per collector
Aperture area .m²
Peak eciency %
Optimum ow . to . litres/minute
Stagnation temperature °C
Height mm
Width mm
Length mm
Weight kg
LIQUID PASSAGEWAY
Riser tubes diameter mm copper
Header tubes diameter mm copper
Maximum pressure kPa
Outlet 1
Outlet 2
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PRODUCT INSTALLATION GUIDE
INSTALLATION PREPARATION
• Plan your installation. Analyse the safety of your site
• Plan where all components and relevant pipe support are to
be installed
• Safety First – ensure that the equipment is installed in a safe
location for installer and our customers
• Where a permit is required to comply with local regulations,
the system installer is responsible for ensuring that they are in
possession of the required permit prior to installation
• The licensed installer should analyse the site before
proceeding with installation in order to foresee potential
complications in the installation process
WARNING
All instructions should be read and understood before
attempting to install, wire, operate, and maintain the system.
Failure to do so may result in system failure or installer injury.
RECOMMENDATION
All the pipes needs to be insulated except the potable cold
feed and the rell pipes
WARNING
All the pipes used for Tivok Thermal Systems should be
copper, all compression ttings must be brass or copper.
All joints and ttings used to plumb solar thermal collectors
should carry appropriate temperature ratings.
CAUTION
When tting components for mains water, all components
must be WaterMark certied in order to comply with
regulations and to maintain product warranty. Failure to
comply will void any manufacturer’s warranty provided by
Tivok Energy.
WARNING
Do not seal or block the overow port.
ENERGY BANK INSTALLATION
Important Information
The Tivok Energy Bank will be used as the storage method for hot
water used as the heating medium by the system, which gains
heat from the solar array and heat pump. Inside the energy bank,
the heating medium water heats potable water through a heat
exchanger. The heating medium water and potable water do not
have any contact during this process.
The Energy Bank should be:
• Installed in a safe location, away from pedestrian trac
• Kept on level ground and must stand vertically
• It is best to install the Energy Bank close to the outlet that
uses the most hot water, such as the laundry or bathroom
• A concrete slab may be required to create a level surface
• Unused ports must be sealed with a cap.
• Plumbing information can be read in the following sections of
this manual.
Fittings
There are ttings on top of the tank and ttings on the side:
Potable Hot
T3
Collector
return
Float Switch
Potable Cold
Tivok Energy Domestic Thermal Installation Manual of
2HP HEAT PUMP INSTALLATION
Important Information
For safety, the heat pump unit should be installed according to the
following criteria:
. Installation should allow easy access for later work.
. If the unit is to be installed on a oor, its undercarriage
should be heightened to avoid accumulating water. The
recommended height is mm to mm.
. In snowy areas it is important to prevent accumulated snow
from blocking the air outlet.
. Ensure the heat pump is located in an area with adequate
drainage for condensed water discharge
. If the unit is installed on a balcony or on a rooftop, the
installation site must meet the allowable loading capacity of
building structure without aecting the structural safety.
. Ensure the unit is well ventilated, and the outlet faces away
from windows and has adequate space away from walls and
other obstacles (as shown in the diagram below).
. The unit should not be installed near highly ammable or
corrosive components
. The unit must be installed on a reliable base or framework.
The weight capacity of the base should be at least kg.
. If required, ensure that the heat pump is secured to the
base or framework to comply with regulatory requirements,
particularly in high wind regions.
Clearance
Below are minimum recommended spacing requirements
between the closest obstruction, and each heat pump face:
• At least mm from the back and sides
• At least mm from the top
• At least mm from the front
WARNING
If there is inadequate space between the heat pump and
surrounding objects, or if there are obstacles in front of the
outlet, it may present a severe re hazard.
HEAT PUMP WIRING
T-HP is designed for single phase ~V AC Hz
supply with a maximum load of watts.
Australian Standard AS/NZS or AS/NZS Wiring Code
and local supply authority regulations apply. A licensed electrician
must complete this work.
Wiring Power
• Exterior wiring is not provided and must be wired by a licensed
electrician
• Interior wiring can be seen below:
• L is active from power (from power plug)
• N is neutral from power (from power plug)
• is earth
WARNING
All instructions should be read and understood before
attempting to wire the system. Contact with electrically active
parts of the system such as terminals can result in burns,
sparks, or lethal shock.
Connect Heat Pump to Controller
• Connect the male plug from the Controller to the female
socket inside the Heat Pump. Detailed connections can be
seen in the electrical connection schematic on page ..
Connect Sensor to Energy Bank
• Connect the temperature probe according to the instructions
shown in the System Installation section on page .
Heat Pump Plumbing
• Connect the Heat Pump to the Energy Bank as displayed in
the System Installation section on page .
• Minimise elbow bends to increase ow.
• Use braze welding if required.
Rell System
• The automatic rel system comprises of a oat switch, a
solenoid valve and a VDC power supply.
• The oat swtich detects the water level in the Energy Bank. If
the water level drops below the oat switch level, the solenoid
valve operates, relling the tank until the water level in the
tank is above the oat switch level.
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MOUNTING INFORMATION
Roof Space Required
Each collector requires approximately . metres of width and
metres of length in order to be safely mounted and minimise
shading losses.
It is recommended to inspect the roof beforehand in order to
gauge the safest method of installation and if there is sucient
roof space. It is the installers responsibility to ensure the structural
adequacy of the roof or any other structure on which the thermal
system is to be installed.
CAUTION
When inspecting or working on components on a rooftop or
other elevated structure, please utilise the appropriate safety
equipment, tools and ensure that appropriate certication is
current and up to date.
Mounting Positioning
• Where possible, Tivok mounting should be positioned so as to
maximise the exposure of the solar thermal collectors to solar
irradiation.
• It is recommended that the piping from the collectors to the
system is less than metres in order to reduce heat loss
and maximise system eciency.
Pre-Installation Inspection
Before installing mounting and collectors make sure to check:
• The structural integrity of the structure to which the mounting
will be xed has been checked and is in compliance with the
Building Code of Australia and other relevant standards.
• All evacuated tubes and their end-caps are intact
• The collector is not exposed to sunlight prior to installation
• A risk assessment is performed to address and control risks
associated with the installation
WARNING
Do not expose the solar collector to prolonged sunlight before
installation, severe injury or burns may result through contact
with temperature components
MOUNTING INSTALLATION
Tivok Energy provides a customised mounting system that is able
to provide an incline in order to maximise eciency on at or
low-angle roong.
Compliance
The rail is manufactured from code T aluminium, and
certain components such as bolts and screws are stainless steel.
These mounting components are designed for compatibility with
Tivok Energy T-U Solar Collectors
Please ensure spacing between triangle fames remains as
specied in this manual to ensure the ability of the mounting to
sustain a continuous load and compliance with standards.
Tivok Energy’s mounting system is compliant with the following
Australian standards:
• AS/NZS . – Structural Design Actions: Wind Actions
• AS/NZS . – Aluminium Structures: Limit State Design
• AS/NZS – Cold Formed Steel Structures
Climate
In compliance with AS/NZS ., the mounting components
are designed to withstand the wind loading requirements in the
following wind regions:
20
°
2
5
°
2
5
°
3
0
°
2
7
°
3
0
°
50km
100km
150km
REGION B
REGION C
REGION D
REGION A
Roof Footing
Due to certain regulations on roof mounting for the range of
roof materials, the following options are available to secure the
mounting hardware onto the roof.
Corrugated Steel:
• Kliplok roof clamps
• Self-driving screws
Concrete:
• Sleeve anchors
• Other expanding anchor bolts (e.g. Dynabolt)
Make sure you inspect the site before installation in order to
source components that t the roong at the installation site.
If direct roof penetration is not possible a ballast system is
required, however in Australia these systems are limited to wind
region A. Please refer to AS . Structural Design Actions:
Wind Actions in order to calculate the appropriate weight for the
ballasts. It is recommended that a structural engineer is consulted
prior to the installation of a ballasted roof mounted system.
Tivok Energy Domestic Thermal Installation Manual of
Mounting Component List
TE-TR001FR Frame-Rail Interface
40
40
6
57
TE-TR002EC End Clamp
56
20
4
17
TE-TR003L Support Bracket
56
6
90
TE-TR004R Railing
32
74
3450
TE-TR005BS Strut
30
30
3
1750
TE-TR006TF Triangular Frame
Includes:
ground bar
mounting bar
rear bar
SCALE 1 : 10
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Mounting Installation Steps
Step 1
Locate and ensure components are in an adequate and usable condition, please check against components list. Contact Tivok Energy
if there are any damaged or missing parts.
Step 2
Take out collapsed Triangle Frames (TE-TRTF), the
connection between ground bar, mounting bar and rear bar
should already pre-screwed.
If not, follow instructions for connecting ground bar and
suspension bar
Step 3
Connect the mounting bar and rear bar using hex bolt and nut.
The tilt of the kit can be changed by selecting dierent pre-drilled
holes.
Step 4
Attach the frame-rail interface (TE-TRFR) to the vertical bar,
by unscrewing the two hex nuts provided and aligning the hex
bolts with the pre-drilled holes at the bottom of the frame. Ensure
the rail nut is facing upwards.
Step 5
Repeat above step for the top of the frame.
Tivok Energy Domestic Thermal Installation Manual of
Step 6
Once all the triangle frames are assembled slide one rail onto the
triangle frames at the bottom frame-rail interface points.
Step 7
Secure the rail by tightening the hex bolt on the frame-rail
interface on all triangle frame interfaces.
Step 8
Repeat steps and for the top frame-rail interface points.
Step 9
Locate pre-drilled holes at the back of the rear bars in the triangle
frame, there will be two per bar; one upper and one lower.
Step 10
Attach the back struts (TE-TRBS) to two vertical bars on
adjacent triangular frames by unscrewing the two hex nuts
provided and aligning with one upper and one lower pre-drilled
hole on the suspension bar.
Step 11
Slide the support bracket into the rail, with the rail nut interfacing
with the rail groves. Make sure the long side of the support bracket
against the rail with the short side facing outwards at the bottom
of the rail.
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Step 12
Position the support bracket along the bottom rail mm apart
with more than mm margin to the edge. Make sure the
support bracket are in the interval between two triangle frames.
800mm100mm 100mm
Step 13
Tighten hex bolt to secure the support bracket to the rail.
Step 14
Before adding collectors to the mounting system check all bolts
are secured tightly! Do not apply excessive torque when fastening
bolts to avoid deformation of components.
Step 15
Add collectors onto the mounting system, with the lower end
resting on the support bracket of the bottom rail.
Step 16
Un-screw end clamp rail nut and add aluminium mat, re-screw
end rail nut on top.
Tivok Energy Domestic Thermal Installation Manual of
Step 17
Slide end clamps into the rail with the rail nut interfacing with the
rail grooves. Make sure the lip of the clamp faces towards the
collector.
Step 18
Slide end clamps towards the collector so that they press against
both its sides, with the aluminium mat beneath the collector.
Secure the end clamps in position by tightening the hex bolt,
make sure the end clamp lip is ush with the collector.
Step 19
Repeat steps - again for other collectors as required.
100mm 100mm
COLLECTOR PLUMBING
• Please refer to the schedules in the system installation section
for proper system plumbing.
CAUTION
Do not circulate water through the system until the system
installation is complete. Do not circulate water for the rst
time under hot solar collector condition. The system may
become damaged.
INSTALLING CIRCULATION PUMP
• Always follow circulation pump manufacturer’s instructions
• Do not turn on the pump until system is fully installed and
commissioned.
• The ow rate of the pump should be set as close to litres
per second as possible.
• The circulation pump should be placed on the ground with
adequate clearance in order to prevent rainwater entering
INSTALLING CONTROLLER
Using a screwdriver you will need to wire the interior of the
controller (as seen below) as the following instructions:
• T – is for thermocouple lead from the output top of collector
• T – is for the thermocouple lead at the BOTTOM of the
energy bank
• T – is for the thermocouple lead at the TOP of the energy
bank
• F – For ow switch if applicable
• H – Float switch
• V – DC value controller, not used in this controller version
• PUMP L – Active power for Circulation Pump
• PUMP N– Neutral for Circulation Pump
• – earth slot from power (from power plug)
• POWER L is active from power (from power plug)
• POWER N is neutral from power (from power plug)
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SYSTEM INSTALLATION
TIVOK DOMESTIC SPLIT SYSTEM
The split domestic system takes advantage of two heat sources
to ensure continuous hot water and ensuring maximum energy
savings to meet household requirements of small to medium size
households. The HP heat pump operates during low or no solar
isolation periods at above % eciency.
In addition to this, the solar collectors convert free sunlight to
produce hot water during the day, which is stored in the highly
insulated energy bank. Control systems ensure that the tank is
storing adequate heat at all times. Two separate hot water loops
are circulating cooler water out of the tank to circulate through
the solar collector array loop (during the day when there is
enough sun) and through the heat pump loop (during the night or
unfavourable weather).
This is done automatically through the control box which activates
the solar pump and/or the heat pump according to temperature
signals from probes in the energy bank. By maintaining the hot
water temperature in the tank, it ensures that potable water going
through it will always be heated to the specied temperature
needed by the household (~°C).
System Overview
This hot water system could be divided to main components,
namely: solar thermal collector array, energy bank array and heat
pump array. Based on the domestic thermal system schematic
diagram, piping between them are outlined in the following
sections.
Be aware that in most systems, each Energy Bank is usually
connected to one Heat Pump, however this could be modied
in special circumstances. Details can be seen in each schedule
diagram in the following pages.
Potable Water Piping
Potable water input (represented by dark blue line) takes water
mains through the energy bank to be heated, then exits out of the
energy bank through Potable water return (dark red line), passing
through a mixing valve to the end user.
Water Rell Piping
It should be noted, at the end of the potable water feed, a pipe
branch is extended for water lling system. This system is
accompanied with a solenoid valve which is controlled by the oat
switch based on water levels in the tank. Water is relled into the
tank from the top port of the tank.
Solar Circulation Piping
Solar circulation piping connects the energy bank and solar
thermal collector array accompanied with a solar circulation
pump.
The pump is controlled by the control box based on the
temperature dierence between the solar array output
temperature and the temperature at the bottom of the energy
bank. A union is used to connect the pump and the circulation
loop to ensure easy maintenance.
It is recommended that the hot side of the solar array should
be positioned higher than the cold inlet to ensure any air in the
system is vented out of the collector array during commissioning
Heat Pump Circulation Piping
The heat pump array is used as the secondary heat source for the
water heater system in case of low solar irradiation conditions,
and it is controlled by its own controller via reading the water
temperature from the sensor installed in the middle port of the
Energy Bank. Please consult the Energy Bank specications on
page for further details.
When the heat pump is on, cold water ows into the heat pump
via the front bottom left port, and hot water returns to the Energy
Bank via the front top left port.
General Attention
CAUTION
Please read carefully over the following section, failure to do
so may result in a non-operational or damaged system.
• A high temperature nylon washer is required between the
collector exi-joints
• If Teon tape is used, pink/high temperature tape is required
Tivok Supplied Components
Primary Components:
• Collectors
• Energy Banks
• Heat Pump (including controller and temperature sensor)
• Mounting Equipment (not including Kliplok)
Accessories:
• Controller
• Collector Flexi Joints
• High Temperature Nylon Washers
• Solenoid Valve
• Float Switch
• Temperature Sensors (T, T, T) metres in length
• Sensor Pocket (T, T, T + Heat Pump Sensor)
Tivok Energy Domestic Thermal Installation Manual of
Split System Schematic
Solenoid Valve
Signal Line
Cold Line
Hot Line
Power Cable
Drain Out
LEGEND
T3
T2
T1
REFILL
12VDC/240VAC
Non-return valve
Pump
Ball valve
240V Power Source
More collectors
FLOAT
OVERFLOW
3/4 Cap
HEAT PUMP
SENSOR POCKET
Mixing Valve
COLD WATER IN
HOT WATER OUT
Auto Vent
AC/DC Transformer
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Schedule 1: Tank Connection
Reserved
HEAT PUMP OUT
FLOAT SWITCH
HEAT PUMP SENSOR
CAN BE REPLACED BY
TANK WITH
WELDED CAPILLARY
Drain
SOLAR FEED
Immerse this copper
pipe halway into tank
SOLAR RETURN
Needs to be bent
AB
CD
RAW POTABLE
HOT
SOLENOID VALVE
T2
T3
Reducing nipple (3/4” to 1/2”)
Reducing nipple (3/4” to 1/2”)
POTABLE COLD IN
POTABLE HOT OUT
HEAT PUMP IN
REFILL
REFILL
Schedule 1: Tank Connection Instructions
. A mixing valve is used as shown in the diagram at the ‘Potable out’ end to limit the
temperature so that water is suitable for domestic usage. This valve mixes the water
from “Potable in” and potable hot water (could be up to °C) from the energy bank. Tee
A is used to split the cold water ow for the mixing valve input and energy bank input. If
necessary a reducing nipple is used to change the tting of the mixing valve.
. Tee B is installed to split the energy bank input for rell and heating purposes. After a
reducing nipple and kinco nut set, use ½ inch pipe to connect the “To rell” and “rell” port
in the diagram, the “rell” port is followed by solenoid valve. Directly connect the solenoid
valve to the tank as shown on the diagram
. Connect the solar array to the “Solar return” port. A ball valve is used to control the ow
of the return solar hot water. For connection between solar return line and top tank, the
copper tube between two kinco nuts must immerse halfway into tank to minimize heat
loss.
. Connect ball valve to the side of the tank, which will later connect to the heat pump
. Put a cap on the aircon/commercial rell tting on the side of the tank
. Connect Tee C to the bottom of the energy bank, screw the male sensor pocket to the
energy bank via this tee rst
. Connect the middle tting of the Tee C to Tee D. The middle Tee D is connected to a ball
valve for drain purposes while the other port is connected to circulation pump.
. Put the Sensor T,T, into male sensor pocket and heat pump sensor to the female
sensor pocket. The installation is illustrated in the diagram.
. Plug in the sensor pocket as shown in the diagram. T at top of the tank, T through
Tee into tank, and heat pump sensor pocket to the lower middle port of the energy bank.
. The Float Switch comes with a special vented plug. Installer should:
• Predrill a hole of cm on top of the plug
• Take o the threaded nut of the oat switch
• Insert the oat switch into the hole through the end of the plug, letting the threaded of the
oat come out of the hole
• Tighten the oat switch to the plug with the nuts
• Screw the plug into the tank as shown in the diagram
. Connect the sensors and oat switch to appropriate terminals in the solar controller.
Please note that the materials used are indicative
only, actual installation may vary due to local material
availability and site circumstances
of Tivok Energy Domestic Thermal Installation Manual
Schedule 2: Collector Array Instructions
. Install the solar racking on the roof as described in the racking
installation section on page .
. Place the solar collector on the roof rst, leave cm
between
. Connect the solar collector with Tivok exible joints, two on
each collector.
. Connect two threaded tees at the end of the array row, the
outer one is pointed upward to connect to automatic air vent
while the inner one is connected to the solar return pipe. The
male sensor pocket will go through these two tees with T
sensor inside.
. Connect the tees set to the upper thread of the manifold
via ¾” kinco nut and pipe set, so the solar return line can be
pointed vertically downward.
. Use a ¾” cap to cover the lower port in the collector manifold.
. Install the solar return line with ball valve, as shown in the
diagram. The middle ¾” copper pipe is used to adjust the
position of ball valve. Connect the solar return line to the tank
ttings.
. On the other side of the collector array, install the solar feed
line.
. Bend the tube to degree and connect to a ball valve,
as shown on the schedule. This ball valve is used for
maintenance purpose. Connect the other side of the ball valve
to the one way valve (usually placed near the solar circulation
pump) via certain length of copper pipe. The length and path
of the copper pipe depends on the site specications.
. Connect the tank solar feed to the inlet of the circulation
pump via a ball valve and union. Connect the outlet of the
pump to another union, followed by ball valve and one way
valve.
Schedule 3: Heat Pump
GAUGE
POWER
CONNECTION TO SENSOR
HEAT PUMP IN (COLD)
HEAT PUMP OUT
Schedule : Heat Pump Instructions
. Connect the upper water tting to the “heat pump out” from
tank via an elbow. The lower water tting is connected to the
“heat pump in” from the tank.
. Connect the controller for the heat pump as described in the
heat pump installation section on page .
. Place the sensor to the “heat pump sensor” tting of the tank
. Connect power to V AC General Power Outlet.
Example Balance of Materials
Tank Connections
Component Quantity
¾” check valve 1
¾” ball valve 6
¾” nipple 9
¾” adapter MF 1
Threaded copper tee 4
¾” kinco nut and olive 8
½” kinco nut and olive 2
½” to ¾” reducing nipple 2
1 threaded pipe plug cap 1
¾ threaded pipe plug cap 1
Male sensor pocket 2
Female sensor pocket 1
Solenoid valve 1
Float switch 1
Solar Collector (to Solar Return on Energy Bank)
Component Quantity
¾” kinco nut and olive 3
¾” threaded nipple 3
¾” Cap 1
¾” Ball valve 1
¾” threaded tee 1
¾” male sensor pocket 1
Collector joints 2
Solar Collector (Solar Feed from Energy Bank)
Component Quantity
¾” Cap 1
¾” kinconut and olive 1
Solar Circulation Pump
Solar Circulation Pump 1
Additional components According to pump brand
Heat Pump
¾” nipple 2
¾” kinco nut and olive 2
1 elbow 1
Piping
Component Distance
Copper pipe Depending on system
¾” copper pipe 10 metres
Insulation 10 metres
½” copper pipe 0.6 metres
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