76
Figure 14-7 Settings of the heater for NATURAL GAS and LP GAS
14 - INSTALLATION - Gas supply
Figure 14-5 Gas orifice
G
020010.01.019
13 - turn the power on to the heater;
14 - turn completely counter clockwise
the screw “E” of Figure 14-6;
15 -
Checking gas supply pressure
following Section 15.7.
The minimum
gas supply pressure must not be
less than 3”WC (7.6 mbar) and the
maximum gas supply pressure must
not be higher than 13”WC (33 mbar).
16 - Verifying the CO2 rate and its
eventual adjustment following Section
15.8: The heater during its normal
operation, within a maximum altitude
of 2,000 ft, has a CO2 exhaust rate
as shown in Figure 14-7. If not within
range of value shown, malfunctions
will occur.
WARNING!!!
The CO
(carbon monoxide) level should
not exceed values given in
Figure 14-7, when combustion is
correct. Failure to comply with
this requirement could result in
severe personal injury, death or
substantial property damage.
WARNING!!!
All
combustion measurements must
be performed with calibrated
equipment to ensure proper
reading and accuracy. Failure
to comply with this requirement
could result in severe personal
injury, death or substantial
property damage.
WARNING!!!
If the
combustion levels are not
within the range given in Figure
14-7 for the firing rate, shut
the heater down and contact
your distributor or the heater
manufacturer (see reference in
the last cover page). Failure to
comply with this requirement
could result in severe personal
injury, death or substantial
property damage.
17 - check the capacity of the heater
following Section 15.9;
18 - Attach to the front of the heater the
appropriate conversion label, found in
the conversion kit (see Figure 14-8 or
Figure 14-9), stating the new type of
gas adjustment of the heater.
a - Apply the label in Figure 14-8 if
the heater has been converted to
LP GAS
;
b - Apply the label in Figure 14-9 if
the heater has been converted to
NATURAL GAS
.
E
D
F
E
D
F
020010.01.022
Figure 14-6 Gas valve
U.M
199
250
399
500
Orifice stamping for Natural gas
mm/100
No orifice
930
No orifice
930
Orifice stamping for LP gas
mm/100
700
700
700
700
CO2 (Carbon dioxide) for Natural gas at high fire
%
8.4 to 8.7
8.8 to 9.1
8.4 to 8.7
8.8 to 9.1
CO2 (Carbon dioxide) for Natural gas at low fire
%
8.4 to 8.7
8.8 to 9.1
8.4 to 8.7
8.8 to 9.1
CO2 (Carbon dioxide) for LP gas at high fire
%
9.5 to 10
CO2 (Carbon dioxide) for LP gas at low fire
%
10.5 to 11.5
O2 (Oxygen) for Natural gas at high fire
%
5.9 to 5.4
5.2 to 4.7
5.9 to 5.4
5.2 to 4.7
O2 (Oxygen) for Natural gas at low fire
%
5.9 to 5.4
5.2 to 4.7
5.9 to 5.4
5.2 to 4.7
O2 (Oxygen) for LP gas at high fire
%
6.4 to 5.6
O2 (Oxygen) for LP gas at low fire
%
4.8 to 3.4
CO (Carbon monoxide) for Natural gas at high and low fire
ppm
Less than 150
CO (Carbon monoxide) for LP gas at high and low fire
ppm
Less than 250
Summary of Contents for Esteem 399
Page 3: ...3 SAFETY INSTRUCTIONS ...
Page 5: ...5 SAFETY INSTRUCTIONS ...
Page 112: ...112 17 MAINTENANCE ...
Page 116: ...116 19 SPARE PARTS Spare parts ...
Page 135: ......
