Warmflow Engineering Co. Ltd Approvals


#2210057

Range of stainless steel indirect (single or twin coil), direct and heat pump unvented hot water storage cylinders. The heat pump models also incorporate a plate heat exchanger and a circulation pump. The secondary circuit is supplied with a temperature and pressure relief valve set at 7.0 bar@90.0˚C. The products are supplied with an inlet control group consisting of an adjustable pressure reducing valve, adjustable in the range of 0.8 bar - 6.0 bar, but factory pre-set at 3.0 bar, a strainer, am expansion relief valve set at 6.0 bar and an approved single check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). The products are also supplied with an immersion heater, an expansion vessel (12, 19 or 24 litres depending on model) and a tundish. Maximum supply pressure to the inlet control group: 16.0 bar. Maximum working pressure: Secondary circuit: 5.5 Bar. Primary Circuit: 6.0 Bar (All models except for the Direct - DI prefix models). Maximum operating temperature 75°C.

Section:
1890 Unvented Heating Apparatus
WRAS Approval Number:
2210057
Expiry date:
31/10/2027
Note:
R008 only applies to the HP prefix (Heat Pump) models. Expansion vessels should be installed in the vertical orientation and located so that the length of the connecting pipework is kept to a minimum.
Size:
Secondary circuit: 22mm compression. Primary circuit: 22mm compression or 28mm stub (Heat Pump models only).
Marking:
WARMFLOW logo, capacity, model name, maximum pressure, maximum temperature, date of manufacture (month/YYYY) and other technical info on adhesive label on body.
Installation Requirements:
R001 R008 R360
Proviso:
All solar models must be installed in accordance with this proviso: WRAS Approval - Solar heating system components. “Compliance with the relevant requirements of the Water Supply (Water Fittings) Regulations 1999 has been assessed for this product only as a component of a heating system. If it is to be installed as part of a system using solar energy or ground- or air- source heat pumps for pre-heating water which is to be used as domestic hot water, the Water Fittings Regulations place a legal duty on the installer and user to ensure that the installation and operation of the complete system prevents contamination of domestic hot water by Legionella bacteria, which can grow in water stored at temperatures between 20°C and 45°C.
Model:
DI110UV - Direct Unvented water cylinder, DI140UV - Direct Unvented water cylinder, DI170UV - Direct Unvented water cylinder, DI200UV - Direct Unvented water cylinder, DI240UV - Direct Unvented water cylinder, DI290UV - Direct Unvented water cylinder. IN110UV - Indirect Unvented water cylinder, IN140UV - Indirect Unvented water cylinder, IN170UV - Indirect Unvented water cylinder, IN200UV - Indirect Unvented water cylinder, IN240UV - Indirect Unvented water cylinder, IN290UV - Indirect Unvented water cylinder. C140UV - Indirect Unvented water cylinder, C170UV - Indirect Unvented water cylinder, C200UV - Indirect Unvented water cylinder. TW170UV - Twin coil indirect Unvented water cylinder, TW200UV - Twin coil indirect Unvented water cylinder, TW240UV - Twin coil indirect Unvented water cylinder, TW290UV - Twin coil indirect Unvented water cylinder. HP170UV - Heat pump indirect unvented water cylinder, HP200UV - Heat pump indirect unvented water cylinder, HP240UV - Heat pump indirect unvented water cylinder, HP290UV - Heat pump indirect unvented water cylinder.
Manufacturer:
Warmflow Engineering Co. Ltd
Company Name
Warmflow Engineering Co. Ltd
Address
Lissue Industrial Estate, Moira Road, Lisburn Northern Ireland
Phone
02892 62 1515

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