Reznor, RHC21 8000 Installation EN May 2021 D301319 Issue 0 Page No 7 of 52
1.2 Warranty
This equipment comes as standard with a
manufacturers two year warranty (2 years parts,
1 year labour) unless agreed otherwise at the
time of order. The warranty is void if:-
• Model RHC21 8000 heaters are installed in
atmospheres containing flammable vapours
or atmospheres containing chlorinated or
halogenated hydrocarbons or atmospheres
containing any silicone, aluminium
oxide,etc.,that adheres to spark ignition
flame sensing probes.
• The installation is not in accordance with
these instructions.
• The maximum air flow through the heat
exchanger tubes is not respected (see section
3.5).
• The required minimum air delivery is not
respected (see table 7).
• The duct dimensions do not comply with the
prescribed dimensions(see table 8)
• The inlet temperature (measured at the heat
exchanger inlet) is lower than the value
stated on the chart (see fig.5 : dew point
occurrence chart).
1.3 Definitions
Module
:
The gas-fired heating module.
Constructor
:
The undertaking, which builds a module into
another casing. e.g. an air handling unit.
Appliance
:
The end product of the constructor
Compartment
:
The section of an appliance into which the
module is installed
B23 / B53 Appliance:
An appliance where the air for combustion
is taken from within the area where the gas
burner is operated. A flue pipe is required
exhausting to outdoors.
C13 / C33 / C53 Appliance:
An appliance where the air for combustion
is taken from outside the area where the
gas burner is operated (room sealed). Both a
combustion air inlet pipe and a flue pipe are
required.
Dew point:
The condition, when the temperature is such
that the water vapour in the combustion
products condenses out.
Dimensions:
All dimensions are in mm (25.4mm= 1 inch)
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