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Impinger I – Operator Manual
5
***NOTE: For proper operation, the gas valve
requires a nominal inlet pressure of 7 inches H
2
O
column for natural gas and 11 inches of H
2
O column
for L.P. gas. A minimum inlet pressure of 1.0 inch of
H
2O
above the manifold setting (NAT. manifold 3.5”
H
2
O, L.P. manifold 10” H
2
O) must be maintained with
no pressure drop from the no load to full load
condition. The maximum inlet pressure must be
maintained at or below ½ PSIG (14.5 inches H
2
O
column). Refer to the chart on the left for pressure
conversions.
UTILITY SPECIFICATIONS REQUIRED – ELECTRIC
Model Energy Power Voltage Current Phase Hz
Recommended Electrical
Specifications
*1421-xxx-E-Kxxx Electric 27 kW 400/230V 40 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
*1452-xxx-E-Kxxx Electric 27 kW 120/208V 80 Amps 3 60 Hz
5 Wires, 3 Poles
1N-1G
*1453-xxx-E-Kxxx Electric 27 kW 120/240V 70 Amps 3 60 Hz
5 Wires, 3 Poles
1N-1G
*1454-xxx-E-Kxxx Electric 27 kW 380Y/220 41 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
*1455-xxx-E-Kxxx Electric 27 kW 415Y/240 38 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
*1458-xxx-E-Kxxx Electric 27 kW 400 38 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
UTILITY SPECIFICATIONS REQUIRED – GAS
Model Energy Power Voltage Current Phase Hz
Recommended
Electrical
Specification
Gas
*1433-xxx-E-Kxxx Nat. Gas H
s
40 kW 230 VAC 3 Amps 1 50 Hz
3 Wires, 1 Pole
1N-1G
H
s
40 kW/hr at 17.4
mB H
2
O column***
*1434-xxx-E-Kxxx L.P. Gas H
s
40 kW 230 VAC 3 Amps 1 50 Hz
3 Wires, 1 Pole
1N–1G
H
s
40 kW/hr at 27.4
mB H
2
O column***
*1440-xxx-E-Kxxx Nat. Gas 35 kW 120 VAC 3 Amps 1 60 Hz
3 Wires, 1 Pole
1N–1G
35 kW/hr at 27.4
mB H
2
O column***
*1441-xxx-E-Kxxx L.P. Gas 35 kW 120 VAC 3 Amps 1 60 Hz
3 Wires, 1 Pole
1N–1G
35 kW/hr at 27.4
mB H
2
O column***
*1450-xxx-E-Kxxx Nat. Gas
120,000
BTU
120 VAC 5 Amps 1 60 Hz
3 Wires, 1 Pole
1N-1G
120,000 BTU at 7
inches H
2
O column***
*1451-xxx-E-Kxxx L.P. Gas
120,000
BTU
120 VAC 5 Amps 1 60 Hz
3 Wires, 1 Pole
1N-1G
120,000 BTU at 11
inches H
2
O column***
*1456-xxx-E-Kxxx Nat. Gas
120,000
BTU
220/240
VAC
5 Amps 1 50 Hz
3 Wires, 1 Pole
1N-1G
120,000 BTU at 7
inches H
2
O column***
*1457-xxx-E-Kxxx L.P. Gas
120,000
BTU
220/240
VAC
5 Amps 1 50 Hz
3 Wires, 1 Pole
1N-1G
120,000 BTU at 11
inches H
2
O column***
*1474-xxx-E-Kxxx Nat. Gas 35 kW 220 VAC 3 Amps 1 50 Hz
3 Wires, 1 Pole
1N–1G
35 kW/hr at 27.4
mB H
2
O column***
* Reference Model Key
Electrical Supply for Australia:
Single Phase: 240VAC, 50Hz / 20 Amp: one neutral & one earth/ground.
Three Phase: 240/415 VAC / 20 Amp; three active, one neutral & one earth/ground.
** In Australia, use a 10 Amp General Purpose Outlet
All ovens require separate service and dedicated neutral.
GAS PRESSURE CONVERSION CHART
Inches of
Water Column
KPa m-Bar
Millimeters of
Water Column
3.5
4.5
7
10
10.5
11
14
14.5
0.87
1.12
1.74
2.48
2.61
2.73
3.48
3.61
8.70
11.2
17.40
24.87
26.11
27.36
34.81
36.05
88.9
114.3
177.8
254.0
266.7
279.4
355.6
368.3