HOT WATER HEAT PUMPS TH-260D1 User manual

TH-260D1
All in One Heat Pump Manual
14042022

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TH-260D1 All in One Heat Pump Manual

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CONTENTS
TH-260D1 All in One Heat Pump Manual
1.0 Safety Warning ______________________________________4
2.0 Parts and Construction Schematic _______________________6
2.1 Dimensions TH-260D1 ____________________________6
2.2 Schematic TH-260D1 _____________________________7
3.0 Installation Instructions ________________________________8
3.1 Delivery _______________________________________9
3.2 Installation Location Requirements _________________10
3.3 Base Requirements _____________________________11
3.4 Air Flow ______________________________________13
3.5 Noise Considerations ____________________________14
4.0 Plumbing Schematics ________________________________15
4.1 TH-260D1 Connection Dimensions and Components ___15
5.0 Plumbing Installations ________________________________16
6.0 Electrical Connection_________________________________20
6.1 Electrical Schematic_____________________________20
6.2 Regulations and Preparation ______________________21
6.3 Hard Wiring a TH-260D1 _________________________21
7.0 Commissioning TH-260D1 ____________________________23
8.0 Operation Panel Instructions___________________________25
8.1 Accessing Display Screen ________________________25
8.2 Control Interface________________________________26
8.3 Control Interface Icons ___________________________27
8.4 Unlocking and Turning the Unit On _________________30
8.5 Setting up the Timer _____________________________31
8.6 Setting the Internal Clock _________________________32
8.7 Error Handling _________________________________35
9.0 Troubleshooting_____________________________________36
10.0 Frequently Asked Questions __________________________39
11.0 Warranty Information________________________________41
12.0 Warranty Declaration________________________________43

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1.0 SAFETY WARNINGS
INSTALLATION & OPERATION
WARNING –This unit stores hot water up to 60°C that can cause scalding. DO NOT
touch any of the hot water pipes or fittings. Children MUST always be supervised around
the unit to avoid serious injuries.
• DO NOT install or operate this unit before reading the manufacturer's instructions.
• The system is for OUTDOOR USE ONLY. According to AS/NZ 5149, it’s outdoor
installation site shall be positioned to avoid refrigerant leaking into the building or
endangering people
• This unit must be installed, commissioned, serviced and operated by an authorised
person with the appropriate knowledge and experience in accordance with all applicable
local rules and regulations. Where necessary, the relevant electrical and plumbing work
will need to be certified to the satisfaction of the local regulatory authorities.
• This unit must be installed, operated, and maintained in accordance to the
manufacturer's instructions to ensure safe operation throughout its’ lifespan.
• This unit is not intended for use by persons without the ability or knowledge in operating
the unit, such as children. Children should always be supervised around the unit. They
MUST NOT play with the unit.
• The removal or alteration of any components and electric element cover in the unit
MUST only be performed by a qualified person such as a certified electrician. Removing
the cover will expose 230 V wiring that can cause shock and serious injuries.
• Installation MUST comply with AS/NZS 3000.
• If the unit power supply cord is damaged, it MUST BE replaced by a qualified person.
• DO NOT touch power connections.
• Avoid touching exposed pipework and fittings connected to the unit because they can be
HOT.
• DO NOT store items on top of or against the unit.
• Maintain the necessary clearances on all sides of the unit to ensure continued safe
operation.
• DO NOT operate unless all of the covers are secured in place.
• DO NOT operate the unit unless the hot water cylinder is full of water.
• Due to the nature of stainless steel in an outdoor environment, staining and
decolourisation are expected
TH-260D1 All in One Heat Pump Manual

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RISK OF FIRE
• The unit uses R290 (propane) refrigerant, a class 3 flammable gas according to
AS/NZS ISO 817. The refrigerant can only be handled by a refrigeration technician
with the appropriate refrigerant handling license.
• If refrigerant leaks, there is a possibility of fire with an external ignition source.
• DO NOT store chemicals or flammable materials near the unit.
• DO NOT place the unit near any ignition sources.
• DO NOT use a flammable spray such as hair spray, paint, etc. near this unit as
this may cause a fire.
For any inquiries, please contact Hot Water Heat Pumps Ltd (HWHP) at
0800 33 66 33
TH-260D1 All in One Heat Pump Manual

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2.0 PARTS AND CONSTRUCTION
TH-260D1 All in One Heat Pump Manual
2.1 Dimensions TH-260D1
Figure 1 Labelled TH-260D1 (Exterior)
The unit uses R290 (propane) refrigerant, a class 3 flammable gas according
to AS/NZS ISO 817. The refrigerant can only be handled by a refrigeration
technician with the appropriate refrigerant handling license.
• If refrigerant leaks, there is a possibility of fire with an external ignition source.

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TH-260D1 All in One Heat Pump Manual
2.2 Schematic TH-260D1
Figure 2 Labelled TH-260D1 (Interior)

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3.0 INSTALLATION INSTRUCTIONS
Figure 3: TH-260D1 delivery position
All TH-260D1 heat pumps are designed for installation by a licensed plumber
in accordance with standards set out in AS/NZS 3500.2.
TH-260D1 All in One Heat Pump Manual

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TH-260D1 All in One Heat Pump Manual
3.1 Delivery
• The TH-260D1 heat pump water heater MUST always maintain a near-vertical
position with no more than a 30° tilt from vertical. Moving or storing the unit in
a horizontal position will void the warranty.
• The unit MUST be transported in the packaging at all times.
• The unit must be handled by at least 2 people at all times to avoid strain and
damage. The weight of the unit and the packaging is 133 kg (118 kg un-
packed).
• The unit should always be handled with care. Damage to the outer casing in-
cluding dents and marks caused by inappropriate handling are not covered
under warranty.
• According to building code G12, the unit must be adequately supported includ-
ing seismic restraint. The heat pump water heater contains a 260 L hot water
storage tank; therefore, it must be adequately supported according to the in-
structions in section 3.3.
The TH-260D1 heat pump uses a flammable gas therefore:
• The unit SHOULD NOT be in be in an area with an ignition source (e.g. open
flame).
• Do not pierce or burn the unit.
• Be mindful that refrigerant leaks can cause odour.
National regulations exist for the storage, transportation and handling of haz-
ardous goods including flammable gases. The maximum number of and con-
figuration of the equipment permitted to be transported or stored together will
be determined by the unit local regulations.

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TH-260D1 All in One Heat Pump Manual
3.2 Installation Location Requirements
• The TH-260D1 is for OUTDOOR USE ONLY. According to AS/NZS 5149, its’
outdoor installation site shall be positioned to avoid refrigerant leaking into the
building or endangering people.
• The installation location should have enough space for installation, servicing, and
maintenance.
• The installation location should have free air-flow and be ventilated properly.
• Ensure the air inlet and outlet of the unit are not obstructed.
• The installation location must be far away from any open flames and ignition
sources.
• Refer to the sections below for instructions on how to install the base, ensure
sufficient air flow, and reduce the impact of the operating noise.
NOTE
• In regions where the temperature falls below 0ºC, care must be taken to avoid
frost and ice formation in the pipes connected to the unit. The connecting pipes
should be insulated and protected.
• The installation should avoid corrosive locations
• Avoid installations where air can be contaminated with oil particles such as out-
side the kitchen.
• For installation in corrosive environments listed below, please consult HWHP to
inquire about suitable treatment:
A. Seaside with salty air.
B. Air with high sulphur gas concentration.

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TH-260D1 All in One Heat Pump Manual
3.3 Base Requirements
Fixture Requirements
• Install the unit on a stable structure that can carry 400 kg or more. The supporting
structure must not shift over time (due to water drainage etc.). If using a concrete
plinth, a minimum thickness of 50 mm is required. If using a hardwood base, a
minimum thickness of 25 mm is required. If using a concrete base paver, the
minimum size is 600 mm square.
• Verify that all 4 feet of the unit lie on the base at all times to ensure stability. The
warranty will be voided otherwise.
• The base must be constructed to ensure that the unit is always vertical and level as
shown in the figure below. This ensures that condensate can drain adequately and
avoid flooding the unit. If the unit is installed with more than 3° degrees of tilt, the
warranty will be voided.
• The base must provide sufficient drainage for overflow as described in AS/NZS
3500.2.
• Install a drain tray underneath the unit if water leakage could damage the property.
• The unit must be adequately supported including seismic restraint.
• The unit must be supported by the wall using two 50 x 50 mm vertical blocking full
height of the hot water cylinder. The two vertical blockings must be fixed to the wall
framing with 100 x 3.75 mm nails at 600 maximum centres. Two horizontal blocks
should be fixed onto the vertical blocks at evenly spaced distances.
• A minimum clearance of 60 mm between the unit the wall must be provided to give
sufficient space for the power cable to hang naturally. Ensure that the unit is
installed close to power plug points to ensure security.
• The unit must also be restrained with 3 25 x 1 mm stainless-steel straps tensioned
when fixed in placed. The straps must be fixed to the wall framing with 8 mm coach
screws with 30 x 2 mm thick washers. Figure 4 shows the items required to ade-
quately support the unit.
• The stainless-steel straps MUST secure the hot water cylinder section of the unit.
The straps shall not be fastened onto the heat pump above the hot water cylinder.
• The vertical blocks and stainless-steel straps MUST be nailed into the timber frames
in the wall to ensure compliance.
• Ensure that sufficient clearances are allowed according to Figure 4.

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TH-260D1 All in One Heat Pump Manual
Figure 4: TH-260D1 installation base requirements and concrete base example

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TH-260D1 All in One Heat Pump Manual
3.4 Airflow
Airflow Requirements
• The TH-260D1 heat pump is designed for open air operation only. It requires
sufficient air supply to maintain high operating efficiency.
• Allow for sufficient clearances during installation according to Figure 4.
• The unit must be seismically restrained in accordance with NZBC G12
• A 600 mm clearance at the air outlet and 250 mm clearance at the air inlet must
be present to allow for sufficient airflow. If the unit is installed under any overhead
structures, a minimum clearance of 300 mm300 mm is required from the top of
the unit.
• Ensure that access to the electrical panel and control interface at the side of the
unit is possible. If the installation clearances and requirements are not met, the
owner will be responsible for the cost (including plumbing and drainage) of moving
the unit when necessary. Work required to make the unit installation compliant is
not covered by the warranty.
• Exceeding the recommended clearances is also strongly encouraged to allow for
good airflow and easy access during maintenance.
• Note that sufficient airflow is critical to the TH-260D1 heat pump performance.
Failure to allow for sufficient airflow can cause a significant reduction in perfor-
mance which can lead to excessive energy consumption.
• Avoid installation in areas with a high risk of clogging the air inlets and outlets of
the unit.
• Avoid installing the unit in or near areas with falling leaves because this can block
the air vents and potentially damage the unit.
• Avoid installing the unit between multiple walls or structures for best performance.
TH-260D1 systems
are designed for
open air use only
with 20 m³ or more of un-
obstructed space sur-
rounding the unit
Ensure that the
installation location
complies with the
requirements of AS/NZS
5149 in regards to the heat
pump containing a flam-
mable refrigerant
The electrical ac-
cess point and dis-
play panel should
always be accessible

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TH-260D1 All in One Heat Pump Manual
3.5 Noise Considerations
• Ensure that the installation location complies with the local noise regulations
regarding neighbouring properties. In New Zealand, Section 16 of the Resource
Management Act 1991 should be referenced.
• The built-in TIMER function can be used to limit the unit’s operating hours to the
owner’s desired hours to reduce noise concerns. Should the TH-260D1 be audible
from within the residence when operating, the unit should be run in TIMER mode.
• Avoid installing the unit adjacent to bedrooms and areas where noise is a
concern.
• Ensure that the power cable connected to the unit has sufficient space to come
out the vertical blocking.
When installing the unit, do not install less than 3 m from a neighbour’s
window or door other than a garage door or shed.
If you are experiencing noise issues with your TH-260D1, please contact
HWHP directly. There are means to address the sound produced when the
unit is operational.

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4.0 PLUMBING SCHEMATICS
TH-260D1 All in One Heat Pump Manual
The following plumbing instructions and schematics reference standards
covered under G9 and G12 of the Building Code and represent an ideal
installation procedure for the unit. Where applicable, other local regulations
should be considered.
Figure 5: Plumbing Connections
4.1 TH-260D1 Connection Dimensions and
Components

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5.0 PLUMBING INSTALLATION
TH-260D1 All in One Heat Pump Manual
Plumbing Connections
• All required plumbing should be installed and fitted by an authorised plumber. The
unit must be installed according to building code G12 water supplies.
Cold water inlet
• 20 mm BSP female connection.
• This port can also be used to drain the hot water storage tank.
• If the ambient temperature at the installation location drops below 0°C, insulate all
water pipes and connections with a minimum of 13mm closed cell insulation to
prevent freezing.
Hot water connections
• 20 mm BSP female connection.
• INSULATE ALL HOT WATER LINES with a minimum of 13 mm closed cell
insulation to minimise heat losses. This includes all water fittings.
• Only the recommended water pipe systems should be used for plumbing the unit.
• All hot water supply parts must comply with AS/NZS 3500.4 and G12/AS1.
Recommended piping systems are copper, polybutylene (Buteline) and PEX
systems.
Condensate drain
• During normal operation, condensation occurs in the heat pump as the air flow
across the evaporator coil is cooled. In locations with humidity greater than 80%,
up to 5 L per day can be expected.
• The unit has a built inbuilt-in condensate tray above the water storage tank to
collect the condensate. Overflow from this tray flows out through the condensate
drainage elbow and is discharged through the condensate drain line.
• The 1/2½” copper condensate drainage elbow must be connected to the nearest
approved stormwater drain. The condensate should be collected in an open dish
and discharged through copper piping. Improper drainage will cause algae and
moss growth.
• The condensate line MUST flow in a downward direction to enable the gravity-fed
condensate drainage to flow down. DO NOT couple the condensate line with the
discharge line connected to the TPR valve.
• Care should be taken to reduce the risk of blocking the condensate flow.

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TH-260D1 All in One Heat Pump Manual
INSULATE ALL HOT WATER LINES with a minimum of 13 mm closed cell insu-
lation to minimise heat losses. This includes all water fittings.
If the ambient temperature at the installation location can drop below 0°C,
insulate all water pipes and connections with a minimum of 13 mm closed cell insulation
to prevent freezing.
Connecting any pipe directly
to the condensate line
without an air gap will void
the warranty.
Do not tighten the
condensate drainage elbow
with tools. Hand tighten only.
Temperature &Temperature & Pressure Relief (TPR) Valve
• The valve rated capacity: 850 kPa; Set temperature: 93 - 99°C
• A TPR valve must be installed to ensure safe operation. Failure to do so can
potentially cause injury and damage the unit.
• The unit is supplied with a suitable TPR valve. If a TPR valve is not provided,
please contact your supplier.
• The supplied TPR valve must be installed on the TPR valve port (port 4 in figure
Figure 4) on the unit.
• The TPR valve should be connected to a vertical discharge pipe that enables
water to flow downwards at all times.
• The TPR discharge pipe outlet must be open to the atmosphere at all times .
• The TPR discharge pipe outlet should be positioned such that the outlet hot water
can cannot cause injury to persons or damage to the building.
• The TPR valve should be insulated with a minimum of 13 mm close cell insulation
to reduce heat loss.

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TH-260D1 All in One Heat Pump Manual
IMPORTANT
A discharge pipe connected to the TPR valve must be installed in a vertical position
and in a frost-free environment.
Warning:
• The discharge line connected to the TPR valve SHOULD NOT be connected to
the condensate drainage line.
• Water can drip from the discharge pipe connected to the TPR valve. This pipe
must be left open to the atmosphere.
• The TPR valve should be operated regularly to prevent the formation of lime
deposits and to verify that it is not blocked. The lever on the valve should be lifted
gently every 6 months to check for water flow.
Tempering Valve
• A tempering valve must be installed on the unit to comply with AS/NZS 3500.4 as
the unit produces hot water at 60°C to stop the growth of Legionella bacteria.
The tempering valve should be connected to the hot water supply lines to avoid
exceeding safe water temperatures.
• The tempering valve installation should be easily accessible for maintenance.
• A high-performance tempering valve is recommended to maintain a consistent hot
water supply temperature. The tempering valve is NOT supplied with the unit.
Any Hot Water Cylinder with an anode can produce flammable hydrogen gas when
it is left running for an extended time without using the hot water. For example, this
can occur after a holiday where the property was not occupied for an extended
period.
To ensure your safety, it is recommended to run a hot water tap for several minutes to
remove any potential gas built up in the Hot Water Cylinder. Please do not smoke or have
naked flames present during this time as these gases are flammable. Provide sufficient
ventilation to prevent gas build up where the open hot water tap is located.

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TH-260D1 All in One Heat Pump Manual
Expansion Control Valve (ECV)
• An ECV must be installed as AS/NZS 3500.4 requires the installation of an ECV for hot
water storage tanks with unvented cylinders.
• The ECV drain pipe MUST NOT have any restrictions. The outlet of the drain pipe
should discharge into the atmosphere. The outlet should be fully open at all times.
• The ECV drain pipe outlet should be positioned such that the outlet hot water cannot
cause injury to persons or damage to the building.
• The drain should be sized to enable water runoff when the safety valve is fully opened.
• The ECV should be rated at a maximum of 700 kPa. For an 850 kPa TPR valve setting,
the ECV should be set to 700 kPa.
Pressure Reducing Valve (PRV)
• A pressure limiting device, such as a PRV, MUST BE connected to the mains cold
water supply (point 8 in Figure 4).
Isolation Valve
• An isolation valve must be installed in the cold water supply line to the unit.
• An isolation valve must also be installed on the hot water outlet line. This isolates the
hot water system from the rest of the water supply to the household. This is important
to avoid disrupting the household water supply when servicing, draining, maintaining,
and replacing the unit. Refer to Figure 4 for all the locations where an isolation valve
must be installed.
• The isolation valve can be combined with a PRV valve.
Filling the System
• Once the TH-260D1 has been connected in accordance to sections 3.0 and 4.0 of the
manual, the tank can be filled and pressurized.
• Ensure at least one hot water tap is open inside the property to allow air to escape from
the tank. This is called "bleeding or priming the system" and it ensures that no air
pockets remain. Make sure that all air in the unit is removed during the filling process.
• Open the non-return valve at the cold-water inlet to start filling the unit with cold water.
Once water begins running out of the hot water tap, the system is completely primed.
The tap can then be turned off.
• Always ensure that the tank is completely full before connecting and turning on
electricity supply. Double check to ensure that the tank is completely full.
• If the tank is full, connect and turn on the electricity supply.

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6.0 ELECTRICAL CONNECTION
TH-260D1 All in One Heat Pump Manual
Installation of the TH-260D1 heat pump to the power supply should
only be carried out by qualified electricians in accordance with the
following instructions.
6.1 Electrical
Schematic
Figure 6 Electrical Schematic