Hoval UltraGas 500 User Manual

Subject to modi cations |
EN
Technical information
Installation instructions
4 217 215 / 00 - 12/18 UK
Hoval products may only be installed and commissioned
by appropriately qualied experts. These instructions
are intended exclusively for the specialist. Electrical
installations may only be carried out by a qualied
electrician.
The oor-standing gas condensing boilers UltraGas
®
(125-1150) acc. to EN 15502-1/15502-2-1 are suitable
and licensed for use as heat generators for hot water
heating systems with a permissible ow temperature of
up to 90 °C
1)
. They are designed for continuously con-
trolled reduced operation in heating systems.
1)
See technical data
UltraGas
®
(125-1150)
Condensing gas heating boilers
for natural gas and liquid gas
for modulating operation
These instructions apply to the following types:
Rated output levels at 40/30ºC and for natural
gas
45-UltraGas
®
(125) 28 - 123 kW
45-UltraGas
®
(150) 28 - 150 kW
45-UltraGas
®
(200) 44 - 200 kW
45-UltraGas
®
(250) 49 - 250 kW
45-UltraGas
®
(300) 57 - 300 kW
45-UltraGas
®
(350) 58 - 350 kW
45-UltraGas
®
(400) 97 - 400 kW
45-UltraGas
®
(450) 97 - 450 kW
45-UltraGas
®
(500) 97 - 500 kW
45-UltraGas
®
(575) 136 - 575 kW
45-UltraGas
®
(650) 136 - 650 kW
45-UltraGas
®
(720) 142 - 720 kW
45-UltraGas
®
(850) 166 - 850 kW
45-UltraGas
®
(1000) 224 - 1000 kW
45-UltraGas
®
(1150) 233 - 1150 kW
45-UltraGas
®
H (720) 142 - 720 kW
45-UltraGas
®
H (1000) 224 - 1000 kW

Hoval UltraGas 500 Specifications

General

Type	Condensing Boiler
Output	500 kW
Operating Pressure	6 bar
Fuel Type	Natural gas
Modulation range	20 - 100%
Efficiency	Up to 109.5% (referred to net calorific value)
Heat exchanger material	Aluminium-silicon alloy