Sinclair SWH-35ERA2 User manual

SWH-200IRA2+SWH-35ERA2
SINCLAIR WATER HEATER
USER'S MANUAL
EN
P U M P S
HEAT

To Users
Thank
you
for
selecting Sinclair’s
product.
Please read this instruction manual
carefully before installing and using the product, so as to master and correctly use
the product. In order to guide you to correctly install and use our product and
achieve expected operating effect, we hereby instruct as below:
(1) This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience
and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsibility for their safety.
Children should be supervised to ensure that they do not play with the
appliance.
(2) In order to ensure reliability of product, the product may consume some
power under stand-by status for maintaining normal communication of
system and preheating refrigerant and lubricant. If the product is not to be
used for long, cut off the power supply; please energize and preheat the
unit in advance before reusing it.
(3) Please properly select the model according to actual the using
environment, otherwise it may impact the using convenience.
(4) This product has gone through strict inspection and operational test
before leaving the factory. In order to avoid damage due to improper
disassembly and inspection, which may impact the normal operation of
unit, please do not disassemble the unit by yourself. You can contact with
the special maintenance center of our company if necessary.
(5) When the product is faulted and cannot be operated, please contact with
our maintenance center as soon as possible by providing the following
information.
1) Contents of nameplate of product (model, cooling/heating capacity,
product No., ex-factory date).
2) Malfunction status (Specify the situations before and after the error
occurs).
(6) All the illustrations and information in the instruction manual are only for
reference. In order to make the product better, we will continuously
conduct improvement and innovation. We have the right to make
necessary revision to the product from time to time due to the reason of

sales or production, and reserve the right to revise the contents without
further notice.
(7) The final right to interpret for this instruction manual belongs to
SINCLAIR CORPORATION Ltd..
Exception Clauses
Manufacturer will bear no responsibilities when personal injury or property loss
is caused by the following reasons:
(1) Damage the product due to improper use or misuse of the product;
(2) Alter, change, maintain or use the product with other equipment without
abiding by the instruction manual of manufacturer;
(3) After verification, the defect of product is directly caused by corrosive gas;
(4) duringoperationimpropertodueareAfter verification, defects
transportation of product;
(5) Operate, repair, maintain the unit without abiding by instruction manual or
related regulations;
(6) After verification, the problem or dispute is caused by the quality
specification or performance of parts and components that produced by
other manufacturers;
(7) The damage is caused by natural calamities, bad using environment or
force majeure.

Contents
1 Safety Notices (Please be sure to abide).............................1
2 Models and Technical Specifications ...................................6
3 Working Principles and Advantages.....................................9
3.1 Schematic Diagram of theAir Source Water Heater.................... 9
3.2 Brief Introduction to Principles...................................................... 9
3.3 Advantages................................................................................... 9
4 Installation Precautions...................................................... 11
4.1 Importance Notes........................................................................11
4.2 Basic Requirements for Installation Sites................................... 12
5 Main Unit Installation .........................................................12
5.1 Location for Installing the Main Unit...........................................12
5.2 Space Requirement for Main Unit Installation............................12
6 Installation of the Water Tank.............................................14
7 Pipeline Connection...........................................................15
7.1 Refrigerant Pipe Connection...................................................... 15
7.2 Exhaust Methods........................................................................17
7.3 Water Pipe Connection............................................................... 19
8 Installation Diagram of the Unit..........................................23
9 Wiring ................................................................................24
9.1 Wire Layout.................................................................................24
9.2 Wire Connections.......................................................................25
10 Wired Controller Installation.............................................27
10.1 Requirements for Wired Controller Installation Locations........27
10.2 Wired Controller Installation..................................................... 27
10.3 Rainproof Box Installation ........................................................ 29
11 Commissioning ................................................................31
12 Methods for Replenishing or Discharging Refrigerants....33
12.1 Refrigerant Replenishment.......................................................33
12.2 Refrigerant Discharging............................................................ 33
13 Method for Refrigerant Reclamation................................34
14 Performance of the Unit...................................................35
14.1 Heating Capacity......................................................................35
14.2 Operating Performance............................................................ 36
15 Operation Notices in winter..............................................37
16 Maintenance....................................................................38

16.1 Water Input and Drainage of Water Tank.................................38
16.2 Periodic Cleaning for Water Tank............................................. 38
16.3 Replacement of magnesium rod.............................................. 39
16.4 Safety Valve Maintenance........................................................ 40
16.5 Maintenance of the Unit ...........................................................41
17 Precautions for Safety Usage..........................................41
18 Malfunction Analysis........................................................42

Air Source Heat Pump Water Heater
1
1 Safety Notices (Please be sure to abide)
WARNING: If not abide strictly, it may cause severe damage to the unit or
the people.
NOTICE: If not abide strictly, it may cause slight or medium damage to the
unit or the people.
This sign indicates that the operation must be prohibited. Improper
operation may cause severe damage or death to people.
This sign indicates that the items must be observed. Improper operation
may cause damage to people or property.
WARNING!
This product can’t be installed at corrosive, inflammable or explosive
environment or the place with special requirements, such as kitchen. Otherwise,
it will affect the normal operation or shorten the service life of the unit, or even
cause fire hazard or serious injury. As for the special places above, please adopt
special product with anti-corrosive or anti-explosion function.
Air source water heater is a thermal storage water heater. The user shall
open the cold water valve first, then adjusting cold and hot water flow to proper
water temperature gradually to avoid scald injury. If not using the unit in winter in
short time, please ensure that it is energized for the whole 24h, if not unit using
the unit for a long period, discharge water in water tank and pipeline in case the
system is frosted. If you think the discharge operation is inconvenient, please
directly contact our local distributors or authorized service branch, we will appoint
special staff to provide inspection, debug, cleaning and maintenance services.
This manual is the usage and installation manual for unitary air source water
heater. Usage method for displayer shall refer to the attached Displayer Manual.
Water tank must install TP valve as required, the TP valve provided by
user;
Try to use tap water, avoid not using well water or river water;
To guarantee water quality, clean the water tank periodically as required;
Water tank shall be installed in places without rainwater. If not, take
rain-proof measures.

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NO.
Safety Notices
Graphic symbol
1
★Once abnormality like burning smell occurs, please
cut off the power supply immediately and then contact
with service center.
If the abnormality still exists, the unit may be
damaged and electric shock or fire may result.
2
★Don't operate water heater with wet hand.
Otherwise, it may cause electric shock.
3
★Before installation, please see if the voltage of local
place accords with that on nameplate of unit and
capacity of power supply, power cord or socket is
suitable for input power of this unit.
4
★Special circuit must be adopted for power supply to
prevent fire.
Do not use octopus multipurpose plug or mobile
terminal board for wire connection.
5
★Be sure to pull out the power plug and drain the
main unit and water tank when water heater is not in
use for a long time.
Otherwise, the accumulated dust may cause
overheating, fire or freeze of water tank or coaxial
heater exchanger in winter.
6
★Never damage the electric wire or use the one
which is not specified.
Otherwise, it may cause overheating or fire.
7
★Before to clean, please cut off the power supply.
Otherwise, an electric shock hazard may be
caused.
8
★The power supply must adopt special circuit with
leakage switch and enough capacity.
9
★This appliance is not intended for use by persons
(including children) with reduced physical, sensory or
mental capabilities, or lack of experience and
knowledge, 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.

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NO.
Safety Notices
Graphic symbol
10
★Earthing: the unit must be earthed reliably! The
earthing wire should connect with special device of
buildings.
If not, please ask the qualified personnel to install.
Furthermore, don't connect earth wire to gas pipe,
water pipe, drainage pipe or any other improper
places which professional does not recognize.
11
★Do not put any foreign matter into the unit,
otherwise it would cause the unit being damaged or
result in danger. Never put your hands at the air outlet
of the unit.
12
★
Do not repair the unit by yourself, in case of
electric shocks or fire hazards. Please contact the
SINCLAIR appointed service center.
13
★Do not step or place objects on the unit, as they
would be injured or damaged when falling off.
14
★Do not block the air inlet of the unit, otherwise it
would reduce the efficiency of the unit, stop it, or even
result in fire hazards.
15
★Check whether the base of the main unit is
damaged.
If the base is damaged and not fixed, the unit may fall
off, causing hazards.
16
★Keep the chemical spray, gas tank or others similar
at least 1m away from the unit, otherwise it would lead
to fire hazards or explosion.

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NO.
Safety Notices
Graphic symbol
17
★To improve durability of the water tank, a
Magnesium rod is installed inside the water tank. The
Magnesium rod has a lifespan of two to three years,
and must be replaced by professional maintenance
personnel if a replacement is required.
18
★If thermal water tank has no water or water is not
full, please do not energize the unit for startup,
otherwise, it might damage the unit or result in fire
hazard.
19
★It is highly recommended to place the unit where
good ventilation is available.
20
★Check the safety relief valve for blockage
periodically (about one month) by removing the hand
grip and operate it periodically (about one year).
21
★It is a normal phenomenon that the safety relief
valve drips.
22
★The safety relief valve shall be got through to the
floor drain through a flexible tube.
23
★The safety relief valve shall be installed properly
with the direction arrow indicated the same direction
as the cold water flow.

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NO.
Safety Notices
Graphic symbol
24
★It is recommended to install horizontally the filter
downstream of the main cut-off valve of the user’s
water pipe. Please note that the direction arrow on the
filter shall indicate the direction the same as the water
flow. When it is required to remove impurity inside the
water circuit, open the end cover of this filter.
25
★When the filter is installed vertically, the direction
arrow can not be upward and the end cover shall be
placed slantwise downwards.
26
★This marking indicates that this product should not
be disposed with other household wastes throughout
the EU. To prevent possible harm to the environment
or human health from uncontrolled waste disposal,
recycle it possibly to promote the sustainable reuse of
material resources. To return you used device, please
use the return and collection systems or contact the
retailer where the product was purchased. They can
take this product for environmental safe recycling.
27
★This unit contains fluorinated gas with greenhouse
effect covered by the Kyoto Protocol.
Maintenance and disposal must be carried out by
qualified persons only.
Refrigerant gas R410A, GWP=2088.
28
★The fuse model and rated value are in accordance
with the corresponding controller or the silk screen
attached on the protective tube.

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2 Models and Technical Specifications
The air source water heater consists of an outdoor unit, a water tank, wired
controller, a refrigerant pipe, and a water pipe. It provides hot water to users for
household use.
The appearance of the main parts is shown in Figure 2-1. Actually, the
appearance of the product may not be exactly the same as that shown in the
figure. For the actual appearance, refer to the product delivered.
Outdoor unit Wired controller
Water tank
Figure 2-1 Appearance of the main parts

Air Source Heat Pump Water Heater
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This installation guide provides guidance on installation of the following
model.
Table 2-1 Connection between the main unit and the water tank
Outdoor unit model
Water tank model
SWH-35ERA2 SWH-200IRA2
During the installation, please comply with the model mapping in the
preceding table. Otherwise, a fault may occur because the main unit mismatches
the exchanger capacity of the water tank.
Table 2-2 Unit Model and Specification
Model
SWH-35ERA2
Rated Heating Capacity(*)
W 3500(1800～3700)
Rated Input Power(*)
W 833(360～910)
COP(*)
W/W 4.10
Load Profile
- L
COPDHW(**)
W/W 3.10
Energy Efficiency Class(2)
- A+
Water Heating Energy Efficiency(2)
- 130%
Annual electricity consumption
(average climate conditions)
kWh 795
Maximum Input Power
W
2000+1500W (Electric Heater)
Outlet Water Temperature
°C
Default: 55°C , 35°C ~55°C
Power Supply
-
220V-240V ~50Hz
Insulation Level
-
Ⅰ
Protection of Ingression
-
ⅠPX4
Refrigerant
Name
R410A
Charge
kg
1.40
Outline Dimensions
W x D x H
mm
842×320×591
Package Dimensions
W x D x H
mm
948×363×660
Gross/Net Weight
kg
44.5/38.5
Sound Power Level(***)
dB(A)
63
Operating Range
°C
-25~45°C
Notes:
①(*) Value obtained with the following conditions: Outdoor temperature:
20°C DB/15°C WB; Water tank temperature (start/end): 15°C /55°C.

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②(**) Value obtained with an air temperature of 7°C and a water inlet at
10℃, as per EN16147, (EU) No 814/2013.
③(***) Value obtained as per EN 12102-2008.
④Under fast water heating mode, electric heater helps to heating water.
⑤Please always see the nameplate for the exact data as this table is
subject to change.
Table 2-3 Water Tank Model and Specification
Model
SWH-200IRA2
Capacity
L
185
Power Supply for Electric Heater
-
220V-240V~50Hz
Input Power for Electric Heater
W 1500
Outline Dimensions(W x D x H)
mm 462 x 462 x 1944
Package Dimensions(W x D x H)
mm 583 x 583 x 2045
Water Tank Gross/Net Weight
kg 88/75
Outer Size of Connection Pipe
mm Φ6, Φ9.52
Notes: Please always see the nameplate for the exact data as this table is
subject to change.
Table 2-4 Performance Data of Hot water Mode
Te（℃）
Mode
inlet water T1
（℃）
outlet water T2
（℃）
capability
(kW)
COP
(W/W)
45
Hot
water
29
55
2.90
7.80
20
15
55
3.50
4.10
7
10
55
1.80
3.80
0
10
55
1.90
2.30
-7
10
55
2.40
2.20
-15
10
55
1.90
1.80
-20
10
55
1.40
1.50

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3 Working Principles and Advantages
3.1 Schematic Diagram of the Air Source Water
Heater
Figure 3-1 Schematic diagram of the air source water heater
3.2 Brief Introduction to Principles
The air source water heater unit is designed based on the heat pump
principles. It consumes a part of electric energy as a supplement, and by using
the thermodynamic cycle, absorbs heat from the low-grade energy (air source)
environment, and transfers the heat to a condenser through a compressor, and
releases it to the water inside the water tank. In this way, the water is heated up.
The working principles of an air source water heater are the same as those
of a heat pump air conditioner. Aheat pump air conditioner absorbs heat from the
natural environment and transfers it to the indoor air; however, the air source
water heater uses the absorbed heat to heat up domestic water. The air source
water heater is a novel, efficient, energy-saving, and environment-friendly heater
product.
3.3 Advantages
(1) Efficient and Energy-Saving
The outdoor unit of this product adopts an electronic expansion valve for

Air Source Heat Pump Water Heater
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adaptive control. It automatically adjusts its opening size based on the unit
operating conditions, and uses the heat in the air to heat up domestic water, so
that the unit always runs at optimal performance as well as ensuring reliability.
This unit adopts inverter 2-stage compressor and the capacity can realize
stepless adjustment. EER is much higher and noise is lower under low-frequency
operation; rapid heating can be realized under high-frequency operation. Heating
capacity is improved by 40% above compared with common heat pump water
heater.
The water tank adopts an externally wrapped microchannel heat exchanger,
and is in planar contact with the inner container, which features higher efficiency
in heat exchange and a high pressure-bearing capability. Effective
thermally-conductive materials are used between the microchannel heat
exchanger and the inner container of the water tank to enhance heat transfer.
In testing conditions of the unit, the coefficient of performance (COP)
reaches up to 3.0, and the operating costs are more economical than
conventional heaters.
(2) Reliability and Durability
The unit adopts heap pump water heater specialized inverter 2-stage
compressor, which provides a powerful heat for the air source water heater. The
unit can produce 55℃hot water reliably under -25℃ultra-low ambient
temperature.
The insulated water tank adopts the advanced stainless steel inner port,
equipping with the anticorrosive design for the super-long magnesium. The
complete unit is with multiple kinds of protection.
(3) Simple and Convenient Installation
The installation is not subject to any environmental limitation. The unit can
be installed in the kitchen, balcony, garage, storage room, or basement
according to actual living conditions, and requires no special care. It applies to
places such as household use and villa suites. It is a no-loop waterway system,
and can be easily and conveniently installed.
(4) Luxury Configurations
The unit is equipped with a high-end ultra-thin touch-wired controller, which

Air Source Heat Pump Water Heater
11
provides five heating modes: Hot water, Save, Preset, Night and E-heater modes.
The unit provides a proper water temperature range from 35°C to 55°C. It
provides functions such as timer switch, "Rapid" and "i-know".
(5) Intelligent Defrosting
The unit provides the antifreeze and automatic defrosting functions, which
effectively solve the problems such as heat exchanger freezing, frosting, and
sewage caused by defrosting.
(6) All-Weather Applicable
Supplies hot water all year round regardless of nights or rainy weather.
4 Installation Precautions
4.1 Importance Notes
(1) The air source water heater must be installed by professional personnel
by abiding by the national wiring code and following the instructions in
this guide.
(2) For installation or migration of the air source water heater, please
contact your local service centers authorized by Sinclair. In the case of
anair source water heater installed by any party not authorized
or designated by Sinclair, Sinclair shall not undertake any responsibility
for any fault or problems caused the air source water heater.
(3) If the user installs the air source water heater using self-prepared
installation materials, Sinclair shall not undertake any responsibility for
any loss caused by improper running and use of the air source water
heater due to pipe leakage, fall-off, or insecure installation.
(4) The quality of water heated by the air source water heater meets the
local drinking water health standards. If well water, groundwater, and
seawater are used, the depletion of the Mg-Stick in the water tank may
be accelerated, thereby shortening the lifespan of the unit.
(6) The water processed by the ion exchange water softener accelerates
the depletion of the Mg-Stick in the water tank. Therefore, you are
advised not to connect the water inlet of the air source water heater to a
water softener.

Air Source Heat Pump Water Heater
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4.2 Basic Requirements for Installation Sites
The following sites for installing the air source water heater may be prune to
become faulty. If the following sites cannot be avoided, please consult your local
service centers authorized by Sinclair to customize special models.
(1) steam,sources,heatEnvironments that are exposed to strong
flammable gases, or volatile substances.
(2) Places where there are high- asuchfacilities,frequency weldings
machines or medical equipment.
(3) Seaside saline areas.
(4) Places where the air contains oil (such as machine oil).
(5) hotsulfide(such asgasessulfidecontainsairthewherePlaces
springs).
(6) Other special environments.
5 Main Unit Installation
5.1 Location for Installing the Main Unit
The main unit must be installed at a location where:
(1) The noise and air flow generated by the air outlet do not affect neighbors,
animals, and plants.
(2) Good ventilation of the main unit can be ensured, and there are no
obstructions nearby that hinders the air intake or output of the unit
(3) The installation position is able to withstand the weight and vibration of
the main unit, and the installation can be safely performed.
(4) The place is dry and not exposed to direct sunlight or strong winds.
(5) The installation dimension diagram of the main unit can be complied
with, and it is convenient to maintain and check the unit.
(6) The main unit is out of the reach of children.
(7) It does not hinder public aisle or affect city appearance.
5.2 Space Requirement for Main Unit Installation
(1) The installation requirements of the water heater's main unit are the
same as those of the outdoor unit of an air conditioner. The main unit
can be installed in the exterior walls, roof, balcony, or ground. The air

Air Source Heat Pump Water Heater
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outlet should avoid the wind direction. The dimension diagram of the
main unit structure is shown in Figure 5-1 (unit: mm).
A
C
D
B
E
Model
A B
C
D
E
SWH-35ERA2 842 320
591
540
286
Figure 5-1 Dimension diagram of the main unit structure
(2) The distance between the main unit and the walls or other obstructions
must not be too small, and the space for installing the main units must
meet the requirements provided in Figure 5-2.
Distance from obstructions
≥50 cm
Distance
from the wall
Air outlet side
Air inlet side
Distance
from the wall ≥50 cm
≥30 cm
≥30 cm
≥200 cm
Figure 5-2 Space requirements for installation

Air Source Heat Pump Water Heater
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(3) If a canopy is to be installed for the water heater main unit, note that the
heat dissipation and absorption should not be affected.
(4) The main unit must be installed in the host places a solid foundation,
and ensure that the main unit is installed upright, and fastened with
foundation bolts. If the vibration is strong, add rubber gaskets to prevent
vibration.
(5) Condensate drain of the outdoor unit: buckle snap the drainage joint of
the outdoor unit into the drainage hole located in the middle of the
chassis, as shown in Figure 5-3, and ensure reliable and tight fitting.
Then, connect the drainage pipe to the drainage mouth, and guide the
drainage pipe to a proper place for drain.
Outdoor unit chassis
Outdoor unit drainage joint
Figure 5-3 Drainage pipe connection
6 Installation of the Water Tank
(1) The water tank can be installed outdoors with the main unit, for example,
installed in the balcony, roof, or ground. It can also be installed inside
the room. Try to install it in an environment where the temperature is
higher than 0°C. The hot water outlet should not be too far away from
the locations for use. Lay out the pipes in a centralized manner, and
take thermal insulation measures on hot water piping to reduce heat
loss.
(2) The water tank must be placed upright with all feet touching the ground.
It must be installed on a solid foundation. During water tank installation,
consider the weight bearing capability of the foundation. Figure 6-1
shows the installation diagram.

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Figure 6-1 Fastnessing of the water tank
Note: The water tank must also be fastened to the wall using a tank
mounting hoop or plate to prevent fall-off the water tank due to exceptions.
(3) There should be water pipes, hot water interfaces, and floor drains to
facilitate water replenishment for the water tank, hot water supply, and
drainage. And the pressure of the tap water shouldn’t higher than
0.7MPa, else, a decompressor should be installed in the water inlet
pipe.
7 Pipeline Connection
7.1 Refrigerant Pipe Connection
(1) If the water tank and the main unit need to be connected by punching
through a wall, a hole of Φ 55 mm must be drilled in the wall and the
hole should be inclined toward the exterior wall, as shown in Figure 7-1.
Protective sleeves need to be put on both sides of the hole.