Readers are advised to check the validity of this Detail Sheet by either referring to the BBA’s website (www.bbacerts.co.uk) or contacting
the BBA direct (Telephone Hotline 01923 665400).
Technical Specification
1 Description
1.1 The Kwikot Indirect Unvented Hot Water
Storage System is for use in domestic, commercial
and public buildings for connection to domestic hot
and cold water services to BS 6700 : 1997, and
comprises the components shown in Figure 1. The
storage capacities and main dimensions are listed
in Table 1.
1.2 The system generally comprises a steel
storage cylinder enamelled on the interior surfaces
and factory fitted with an externally enamelled,
steel coil heat exchanger and a 3 kW immersion
heater for use as direct secondary back-up. The
system is for free-standing installation and connects
to a cold feed supply as indicated in Table 1.
1.3 The cylinder is insulated with polyurethane
(PU) hard foam and covered with a white, epoxy-
coated steel sheet.
1.4 For safety of the system, electrical control
devices and the combined temperature and
pressure relief valve are factory fitted. Other
components, including additional safety devices,
are supplied separately for fitting on site by a
competent person
(see Figure 1 and section 2.1).
1.5 Factory production control is exercised
during the manufacture and assembly of each of
the components including visual examination,
dimensional checks and performance tests.
Each storage cylinder is pressure tested and
examined for leaks during manufacture and prior
to dispatch.
2 Delivery and site handling
2.1 The system is delivered in a cardboard carton
protected internally with polystyrene supports and
wrapped in a plastic bag. The following items
(see also Detail Sheet 2) are supplied separately
with each storage cylinder for fitting on site by a
competent person
, all other components are
factory fitted:
• cold water control valves — to include a
pressure control valve (pressure limiting or
pressure reducing valve), check valve and an
expansion valve
• line strainer
• indirect thermostat
• wiring box
• motorised valve
• tundish
• expansion vessel.
• THIS DETAIL SHEET RELATES TO THE KWIKOT INDIRECT UNVENTED
HOT WATER STORAGE SYSTEM WITH A RANGE OF CAPACITIES
FROM 125 TO 210 LITRES, A NOMINAL OPERATING PRESSURE OF
3 BAR AND FITTED WITH ONE 3 kW IMMERSION HEATER FOR
DIRECT SECONDARY BACK-UP HEATING.
• The system is for use with mains or other suitable potable water supply
pressures up to and including 12 bar.
• The system is for use with gas, electric or oil fired boilers.
• The system can be used with a vented or pressurised primary with a
maximum primary pressure of 3 bar.
• Satisfactory outlet flow rates can only be achieved where the flow rate
available at the entry to the system is adequate (see section 5 of this
Detail Sheet).
• It is essential, for reasons of safety and performance, that the product is
installed and maintained in accordance with the requirements of this
Detail Sheet by a
competent person
(see section 12, regarding
Maintenance
and section 15 for the definition of a
competent person
).
This Detail Sheet must be read in conjunction with the Front Sheets and Detail
Sheet 1, which give the
Conditions of Certification
and the product’s position
regarding the Building Regulations, respectively.
Certificate No 96/3253
DETAIL SHEET 4
Second issue*
Kwikot Limited
KWIKOT INDIRECT UNVENTED
HOT WATER STORAGE SYSTEM
Product
CI/SfB
(53.3) X
To Next Page
Loading...
