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The heating and hot water to your home are provided
by the CB heat interface unit and unvented cylinder or
thermal store package.
Heat is supplied to the CB heat interface unit from the
central boiler(s) installed elsewhere in the building. The
central boiler will provide heat to your CB unit for your
central heating and domestic hot water.
The CB heat interface unit is a heat only unit and works in
conjunction with an indirect domestic hot water cylinder or
thermal store to provide hot water to your taps. As such
you must read these instructions in conjunction with those
for the cylinder / thermal store.
The CB heat interface unit can be fitted within a cylinder
frame. The cylinder frame arrangement permits the
cylinder / thermal store to sit above a washing machine
or shelves for storage. This space saving design is
particularly advantageous for apartments with open plan
living areas, as this allows the washing machine to be
positioned in the airing cupboard (not detailed in these
instructions).
Alternatively the CB heat interface unit is suitable for wall
mounting and can be supplied with a first fix rail for ease
of installation. For wall mounted versions an optional set of
casings is available on request.
The CB unit is supplied complete with all the necessary
safety and control devices needed to allow connection
to the community heating system and the apartment’s
central heating system.
The CB heat interface unit can provide space heating via a
radiator or underfloor heating system.
This appliance complies with the requirements of the CE
marking directive.
The following instructions are offered as a guide to
installation which must be carried out by a competent
plumbing and electrical installer in accordance with
Building, Electrical and Water Regulations.
NOTE: Prior to installation, the unit should be stored in an
area free from excessive dampness or humidity.
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.
INTRODUCTION
GENERAL REQUIREMENTS
Maximum Working Pressure:
Primary Side (Community / District Heating): 10 bar g
Secondary Side (Apartment Heating): 3 bar g
Maximum Working Temperature:
Primary Side (Community / District Heating): 90 deg C
Secondary Side (Apartment Heating): 85 deg C
Primary Side Pressure drop 30 kPa
As previously stated, the CB heat interface unit is a versatile
unit suitable for wall mounting or fitting within a purpose
made frame.
The CB heat interface unit includes the following
components:
- an apartment central heating pump,
- pump isolation valves,
- steel central heating manifold with built-in central
heating bypass,
- standard S plan or S plan plus control system
- either 2 or 3 No. two port motorized zone valves,
- an 8 litre sealed system expansion vessel,
- central heating pressure relief valve with tundish,
- Automatic air vent with anti-suction valve and shut
off valve for ease of maintenance,
- brazed stainless steel plate heat-exchanger to provide a
pressure break between the community (district) heating
system and the apartment’s central heating system,
- provision for a heat meter in the apartment’s system,
- community (district) heating 2-port pressure independent
balancing and control valve,
- district heating in-line strainer,
- all mounted on a powder coated steel back plate.
Filling Loop and Pressure Gauge
The system filling loop and associated pressure gauge
are supplied as part of the cylinder / thermal store primary
pipework kit, as these need to be installed adjacent to both
the central heating system and cold water mains pipework.
Where the cylinder / thermal store is supplied by a third party,
these components will be deemed outside the Elson scope of
supply / responsibility.
PRODUCT SPECIFICATION
Safety Valve
WATER MAY DRIP FROM THE DISCHARGE PIPE
OF THE PRESSURE RELIEF VALVE. THE TUNDISH
PROVIDED ALLOWS THE DISCHARGE PIPE TO
ALWAYS BE OPEN TO THE ATMOSPHERE. AS PART
OF THE MAINTENANCE REGIME FOR THE PRODUCT
REGULARLY OPERATE THE SAFETY VALVE TO ENSURE
IT IS NOT BLOCKED.
