Impinger I – 1000 Series Ops 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
2
O
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.
IMPINGER
®
CONVEYOR OVENS – MODEL SERIES 1400
UTILITY SPECIFICATIONS REQUIRED – ELECTRIC
Model Energy Power Voltage Current Phase Hz
Recommended Electrical
Specifications
Agency
Listing
***1421-xxx-E Electric 27 kW 400/230 VAC 40 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
F-G
1452 Electric 27 kW 120/208 VAC 80 Amps 3 60 Hz
5 Wires, 3 Poles
1N-1G
A-B-D-F
1453 Electric 27 kW 120/240 VAC 70 Amps 3 60 Hz
5 Wires, 3 Poles
1N-1G
A-B-D-F
1454 Electric 27 kW 380/220 VAC 41 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
F
1455 Electric 27 kW 415/240 VAC 38 Amps 3 50 Hz
5 Wires, 3 Poles
1N-1G
F
UTILITY SPECIFICATIONS REQUIRED – GAS
Model Energy Power Voltage Current Phase Frequency
Recommended
Electrical
Specification Gas
Agency
Listing
***1433-xxx-E Nat. Gas 35 kW 230 VAC 3 Amps 1 50 Hz
3 Wires, 1 Pole
1N-1G
35 kW/hr at 17.4
mB H
2
O column****
F-G
***1434-xxx-E L.P. Gas 35 kW 230 VAC 3 Amps 1 50 Hz
3 Wires, 1 Pole
1N–1G
35 kW/hr at 27.4
mB H
2
O column****
F-G
1450 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****
A-D-F
1451 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****
A-F
1456 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****
E-F
1457 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****
E-F
A B C D E F G H
Agency
Listing
CSA UL MEA AGA* NSF CE
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.
* AGA Australian Gas Association ** In Australia, use a 10 Amp General Purpose Outlet
*** Reference Model Key
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