Exhaust Gas Purification System And Exhaust Gas Front Silencer; Lubricating Oil Supply System; Sound Insulation Hood And Exhaust Ventilator Cowl - Viessmann VITOBLOC 200 Technical Description

Product description
2.7 Exhaust gas purification system
and exhaust gas front silencer
After exhaust gas purification and the exhaust gas
heat transfer unit, the exhaust gas is conducted
through the stainless steel exhaust gas front silencer
that is mounted in the frame in a lying position.
A regulated three-way catalyst (reducing NOx and
oxidation of CO and C H
n m
emissions of the exhaust gas.
Components
The active catalytic coating is applied to heat resisting
steel. The monolithic metallic substrate consists of
stainless steel ferritic sheeting with walls 0.04 mm
thick. The casing is made of stainless steel with high
temperature-resistance. The exhaust gas output
flange is mounted on the connecting side of the
cogeneration module.
Special characteristics
The catalyst is integrated into the exhaust gas line
after the engine to be service-friendly and the lambda
probe for lambda=1 operation is installed immediately
after the engine output in the exhaust gas system of
the cogeneration module.
It stays far below NO < 125 mg/m³ and CO < 150
x
mg/m³ when new (equalling ½ Technical Instruction
for Air).
The operating temperature of the catalyst is limited to
less than 700 °C to prevent early ageing.
2.8

Lubricating oil supply system

Each cogeneration module has equipment for
monitoring the lubricating oil level. You can observe
and check the oil level with the inspection glass. You
can check the minimum and maximum levels with an
alarm contact via electrical level control. The oil
consumption is covered from a lubricating oil storage
tank with a volume designed for ≥ one maintenance
interval.
The quantity of used oil can be drained from the
cogeneration module with a free slope. It is collected
and disposed of in a used oil drum. The fresh oil is
generally filled with 20-litre tins.
Components
The lubricating oil supply system consists of a
lubricating oil level guard, inspection glass and
electrical level control with an alarm contact (oil
minimum and oil maximum) and a refilling contact with
valve triggering,
12 ESS Energie Systeme & Service GmbH
) reduces the pollution
a lubricating oil storage tank, a fresh oil tank (with an
external consumption display), a filling connection, a
drip oil tub and a collecting tub (under the
cogeneration module),
Special characteristics
The drip oil and collecting tub take the entire content
from the engine oil tub, the fresh oil tank and the
engine cooling water for reasons of safety. This
means that it satisfies the requirements of the
Wasserhaushaltsgesetz (German Water Resources
Act).
Synthetic oil should be used to minimise oil
consumption and to maximise oil service life. The
engine model is suited to operation with fully synthetic
lubricating oil.
2.9 Sound insulation hood and
exhaust ventilator cowl
The lining of the cogeneration module consists of the
noise insulation hood and elements for the
engine/alternator unit and the linings of the heat
exchanger unit. The exhaust ventilator cowl ventilates
the cogeneration module.
Components
The sound insulation elements consist of steel
sheeting lined with combination elements made of
highly absorptive soft foam with 2 mm of heavy foil
and an additional surface skin. The coating is 25 µm
thin and it is largely resistant to benzene and engine
oil splashing and easy to clean. The surface sealing
protects from mechanical damage and has a high
level of durability. Fire properties in accordance with
FMVSS 302 or DIN 75200.
The fresh air suction is in the floor plate.
The hood's frequency medium for dampening noise is
approximately 20 dB. The subsequent heavy canvas
connection is contained in the scope of delivery.
Special characteristics
The load-bearing construction can be disassembled
for inspection to work with suitable hoisting gear
without obstructions.
The lining of the cogeneration module can be easily
removed for assembly work.
The exhaust ventilator cowl has a maximum of 250 Pa
pressing for stable operating properties at higher air
inlet temperatures up to approximately 35 ° C.
VITOBLOC 200 EM-50/81