Dover GROEN AH-20, Руководство оператора и по обслуживанию

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OM/SM-AH-CE
6
1.8 Total Gas Rate NOTE: With reference to the gas rate, pressure
Model (G20& (G31)
Natural Propane
G25) KW KW
Natural Propane
BTU/hr BTU/hr
AH-20 22 75,100 22 75,100
AH-40 25 85,300 22 75,100
AH-60 &
AH-80
40 136,500 40 136,500
1.9 Injector Diameters-Natural & Propane Gas
Model Gas G20 Gas G25 Gas G31
Natural Natural Propane
(mm) (mm) (mm)
No. of
Orifices
(Injectors)
AH-20 4.39 4.70 2.64 1
AH-40 4.57 4.90 2.64 1
AH-60 &
AH-80
5.94 6.75 3.57 1
1.10 Gas Pressure Adjustment
A pressure test point is fitted on the burner
manifold and on the gas control valve.
Model AH-20 AH-40
AH-60 &
AH-80
NATURAL
GAS G20
mbar 8.75 8.75 8.75
in. WC 3.5 3.5 3.5
NATURAL
GAS G25
mbar 8.75 8.75 7.0
in. WC 3.5 3.5 2.8
PROPANE
GAS G31
mbar 25 25 25
in. WC 10 10 10
adjustments and conversions, this appliance is
CE-approved for use with the following gases:
a) G20 natural gas may be supplied to the
appliance in Austria, Belgium, Denmark,
Finland, France, Germany, Greece, Iceland,
Ireland, Italy, Luxembourg, Norway, Portugal,
Spain, Sweden, Switzerland and the United
Kingdom.
b) G25 natural gas may be supplied to the
appliance in Belgium, France and the
Netherlands.
c) G31 propane gas may be supplied to the
appliance in France, Germany, Ireland, the
Netherlands, Portugal, Spain, Switzerland,
and the United Kingdom.
Use of the appliance with non-approved gases in a
listed country, or use in other countries will void CE
certification.
1.11 Burner Adjustment
The burner has a primary air adjustment. The gap
should be 1/4" (6.35 mm) to 3/8" (9.53 mm).
Section 2
Assembly and Commissioning
2.1 Assembly 2.3 Electrical Supply
a) Unpack the appliance. Before commissioning the appliance, ensure that the
b) Place on a firm, level floor. Adjust and fix relevant regulations. (Paragraph 1.5)
feet.
Caution: Shipping straps are under tension and
can snap back when cut. Take care to avoid
personal injury or damage to the unit by staples
left in the walls of the carton.
2.2 Gas Supply
Connect the unit to the gas supply and test for gas
soundness. For the part of the integral gas supply
down stream of the gas valve, leak detection
spray or some solution may be used with the
burners lit.
Caution: Ensure that the pan contains liquid when
the burners are alight.
electrical installation has been carried out to the
THIS APPLIANCE MUST BE EARTHED.
2.4 Jacket Water Level/Jacket Pressure
a) Ensure the water level is correct in the jacket, by
confirming that the level is between the marks on
the gauge glass. If the water is low, follow the
instructions under "Jacket Filling" in the servicing
section of this manual.
b) Check the pressure gauge. If the gauge does not
show 20 or more inches of vacuum (that is, a
reading of 20 to 30 below zero) see "Jacket
Vacuum" in the servicing section of this manual.
2.5 Pre-Commissioning Check