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Vokera RIELIO WALL HUNG BOILERS ■ FLOOR STANDING BOILERS ■ BOILER CASCADE SYSTEMS ■ HEAT INTERFACE UNITS ■ CYLINDERS & BUFFER VESSELS ■ PLATE HEAT EXCHANGERS ■ FLUE OPTIONS ■

Vokera ^^Hssa RIELLO Contents High power commercial heating solutions 04 Vokera by Riello, the professional of the plant room 06 The technology: heat exchanger 11 CondexaPRO 500 Wall hung & cascade solutions 12 Frame & header cascade kits 14 Flue & installation guidance 22 The technology: heat exchanger 27 Flue and installation guidance 31 Commercial cylinders & buffer vessels 38 Plate heat exchangers 40 Heat interface unit range 56 Example design incorporating HIU 63 Content correct at time of print.

High power commercial heating solutions Vokèra by Riello is an industry leader in both domestic and commercial heating solutions. Vokèra by Riello is committed to reducing energy consumption with a focus on producing products that meet with current standards as well as minimising the impact on the environment. A rich heritage of innovation Since 1922 Riello has been unrivalled in innovation for heating technology. Today, Riello is a market leader with a worldwide presence and continue its rich heritage of innovation for current and future generations to come. At Vokèra by Riello, we pride...

Riello, a worldwide presence Riello has built a truly worldwide presence, operating in over 60 counties via its strategic partnerships and efficient sales network, with offices in Europe, North America and Asia. There are also 8 production plants as well as a world-renowned dedicated combustion research centre. Continual research, innovation and collaboration ensures that we are able to design and develop market-leading commercial heating technologies that establish new global standards in terms of performance, practicality, energy efficiency and sustainability. We continue to place a great...

Vokèra by Riello, the professional of the plant room Vokèra by Riello is recognised for the quality and reliability of its products, from condensing boilers and associated plant equipment to cylinders, heat interface units and renewable technologies. Vokèra by Riello is committed to reducing energy consumption and focus on manufacturing products that minimise impact on the environment. The high efficiency and reliability of products, the line of comprehensive specific flues and accessories as well as the versatility of cascading options offer maximum flexibility for all plant room...

Verve i50 Stand-alone high power wall hung condensing boiler Ideal for larger domestic properties and small commercial applications. ErP Compliant Radial Heat Exchanger ■ Low NOx class 5 ■ Solar thermal compatible ■ Isolating valve kit as standard ■Built-in expansion vessel & pump ■ 92.5% efficiency ■ Optional hydraulic separator kit available ■ Versatile flue options ■ 4 Star class A efficiencyt * For sizing advice contact Pre Sales f According to EEC 92/42

TECHNICAL SPECIFICATIONS Central heating only with safety kit DESCRIPTION 3-way valve kit for DHW cylinder & CH with safety kit DESCRIPTION

CONDEXAPRO 500 SERIES CondexaPRO products are suitable for both new buildings and as a replacement on existing systems; for instance old non-efficient floor-standing boilers, and offer the highest efficiency at any time combined with maximum piece of mind. The 500 Series 50kW heat exchangers offer the CondexaPRO range versatile cascading options up to 3MW. The CondexaPRO range consists of three output variations (50kW, 70kW & 100kW) either featuring one heat exchanger (50kW) or two heat exchangers (70kW & 100kW). 1. Pre-mix combustion group, consisting of a modulating gas valve integrated...

The technology: heat exchanger The CondexaPRO condensing heat exchanger has a high exchange surface and an excellent corrosion resistance. It has a cylindrical shape and it is made of the following components: ■■ Micro-flame burner Stainless steel covering AISI 316L Continuous bi-metallic corrugated helical tube (copper alloy on the water side and stainless steel on the flue side), which is coiled up inside the cover Refractory brick which keeps the heat inside the combustion chamber and forces the flue gases over the heat exchanger, optimising the thermal heat exchange performance Plastic...

Wall hung and cascade solutions Fully modulating condensing boilers. 4 models (50M, 70M, 100M, 100S) offer versatile cascading solutions to meet commercial building demands. Riello Combustion Sophisticated multi-zone heating control and monitoring which may negate the need for a BMS in some cases 4 Star class A efficiency† Powerful high head fan Each combustion unit can be individually serviced or maintained without loss of other units Large heat exchanger surface area Copper & stainless steel heat exchanger 3 temperature circuits from boiler Up to 8 additional zones via zoning kits...

*Measurements obtained using the clapet with which the boiler was homologated. **Measurements taken at 1m from the appliance, at a height of 1.5m with background noise of 36.5 dBA.

CondexaPRO 500 series frame & header cascade kits Linear and back-to-back configurations kW FLUE HEADER KIT CODE: 29450615 29450226 125mm EXTENSION PIPE 250mm PPTL 20017271 HYDRAULIC HEADER/SEPARATOR 100kW 20009472 CONDEXAPRO RIG (FRONT) 20019201 CONDEXAPRO 70M 20075526 LOW ENERGY PUMP KIT (FRONT) 29450242 CONDENSATE DRAIN KIT 125mm WITH TAP 20017226 HYDRAULIC MANIFOLD 100kW (WITH BLANK END FLANGE KIT) 20017270 CONNECTION PIPES KIT TO HEADER/SEPARATOR 100kW 20017271 HYDRAULIC HEADER/SEPARATOR 100kW 20075526 LOW ENERGY PUMP KIT (FRONT) 29450242 CONDENSATE DRAIN KIT 125mm WITH TAP 20017226...

FLUE HEADER KIT CODE: 29450620 29450242 CONDENSATE DRAIN KIT 125mm WITH TAP 20009471 HYDRAULIC MANIFOLD CONNECTION KIT 20075526 LOW ENERGY PUMP KIT (FRONT) 20075526 LOW ENERGY PUMP KIT (FRONT) 29450242 CONDENSATE DRAIN KIT 125mm WITH TAP FLUE HEADER KIT CODE: 29450621 29450226 125mm EXTENSION PIPE 250mm PPTL 20009471 HYDRAULIC MANIFOLD CONNECTION KIT FLUE HEADER KIT CODE: 29450622 20009439 HYDRAULIC MANIFOLD KIT UP TO 460kW 20009444 BLANK END FLANGE KIT 20009471 HYDRAULIC MANIFOLD CONNECTION KIT 29450242 CONDENSATE DRAIN KIT 125mm WITH TAP 20075526 LOW ENERGY PUMP KIT (FRONT) LOW ENERGY...