Ecodan EHPT17X-UKHLEWS Installation Manual page 6

GENERAL REQUIREMENTS
IMPORTANT: THIS APPLIANCE CAN BE USED BY CHILDREN AGED FROM 8 YEARS AND ABOVE AND PERSONS
WITH REDUCED PHYSICAL SENSORY OR MENTAL CAPABILITIES OR LACK OF EXPERIENCE AND KNOWLEDGE IF
THEY HAVE BEEN GIVEN SUPERVISORY OR INSTRUCTION CONCERNING USE OF THE APPLIANCE IN A SAFE WAY
AND UNDERSTAND THE HAZARDS INVOLVED. CHILDREN SHALL NOT PLAY WITH THE APPLIANCE. CLEANING AND
USER MAINTENANCE SHALL NOT BE MADE BY CHILDREN WITHOUT SUPERVISION.
WARNING: Do not switch on if there is a possibility that the water in the heater is frozen.
COMPONENT CHECK LIST: Before commencing installation check that all the components for your Air Source Heat Pump
cylinder are contained in the package. The following components are supplied with your unit:
Factory fitted:
Temperature and Pressure Relief Valve (set at 90 °C/10 bar)
Immersion heater and over-temperature cut-out
Expansion relief valve (comprises of expansion valve and check valve)
Tundish
Heat pump circulating pump - Grundfos UPM4L 25-75 130 AZA
Heating zone 1 circulating pump - Grundfos UPM3 A L25-70 130 ZZZ W3
DHW circulating pump - Grundfos UPSO 15-60 CIL2
3-way motorised diverter valve
Primary to DHW plate to plate heat exchanger
Primary drain off valve & DHW drain off valve
Fernox TF1 Sigma HP filter
Primary circuit filling loop
Primary circuit pressure gauge
Scale trap
Low loss header
Flow sensor
Flow water temp and return water temp thermistors
Cylinder temp thermistors
Automatic air vent
WI-Fi adaptor
MicroSD Card
FTC7 Controller
Supplied loose:
Main Remote Controller & Remote Controller Cable (10 m)
FTC instructions
Potable water expansion vessel + bracket
Cold water combination valve (comprises pressure reducing valve, strainer, check valve)
STORAGE AND HANDLING
Prior to installation the pre-plumbed cylinder unit must be stored vertically upright on a secure, level surface in a dry, frost free
environment. Take note of the weight of the product and follow safe working practices when lifting, moving or manipulating into
position. DO NOT use the pre-plumbed pipework for lifting or positioning the cylinder. It is the responsibility of the installer to
ensure all mechanical joints on the cylinder and pre-plumbed pipework are checked for tightness prior to filling the system,
as these can become loose during transportation and positioning of the unit.
SITING THE UNIT
The pre-plumbed cylinder unit must be vertically floor mounted. It can be placed anywhere convenient provided the discharge
pipe(s) from its safety valves can be correctly installed and all pre-fitted ancillary parts can be accessed for servicing and/or
maintenance. Areas that are subject to freezing must be avoided. Ensure that the floor is of sufficient strength to support the
"full" weight of the unit (Table 1, page 7). Pipe runs should be kept as short as possible for maximum economy.
Additional automatic air vents (AAV) (not supplied) may be required at high points in the primary system where pipework is
located above the level of the cylinder. After filling the system (primary circuit), release all trapped air using air vents during
and following heating period and top up with water as necessary. After removing the air, automatic air vent(s) MUST be closed.
WATER SUPPLY
Bear in mind that the water supply to the property will be supplying both the hot and cold water requirements simultaneously.
It is recommended that the maximum water demand is assessed and the water supply checked to ensure this demand can
be satisfactorily met.
NOTE: A high water pressure will not always guarantee high flow rates.
Wherever possible the cylinder supply pipe should be 22 mm. We suggest the minimum supply requirements should be
1.5 bar pressure and 20 litres per minute flow rate. However, at these values outlet flow rates may be poor if several outlets
are used simultaneously. The higher the available pressure and flow rate the better the system performance.
The cylinder has an operating pressure of 3.5 bar which is controlled by the cold water combination valve assembly. The cold
water combination valve assembly can be connected to a maximum inlet pressure of 16 bar.
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