Lincoln Impinger Conveyorized Oven 3255 - Manual (Page 4)

Impinger 3255 – Operator Manual 4
***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.
FEATURES AND OPTIONS
STANDARD FEATURES
• Faster bake times improve time of service.
• Advanced Air Impingement Technology enhances bake quality and uniformity.
• Improved product flow during cooking reduces operation costs.
• Research and Applications support for continued operational success.
• Enodis Star service support is committed to ongoing customer satisfaction.
• New FastBake™ Technology designed to bake up to 35% faster than other conveyor ovens without increased
noise levels or loss of product quality!
ELECTRICAL SERVICE
Voltage (AC) Phase Hz. Amps
Single Oven 120 1 60 6.0
Double Stack 120 1 60 12.0
Triple Stack 120 1 60 18.0
GENERAL INFORMATION – 3255 NATURAL GAS OVENS
Model Energy Power Voltage Current Phase Hz
Gas Supply Pressure
Inches, Water Column
Gas Pipe
Size (NPT)
Single Oven Nat. Gas 145,000 BTU 120 VAC 6 Amps 1 60 Hz 8 – 14 1”
Double Stack Nat. Gas 290,000 BTU 120 VAC 12 Amps 1 60 Hz 8 – 14 1 ¼“
Triple Stack Nat. Gas 435,000 BTU 120 VAC 18 Amps 1 60 Hz 8 – 14 1 ½“
GENERAL INFORMATION – 3255 PROPANE GAS OVENS
Model Energy Power Voltage Current Phase Hz
Gas Supply Pressure
Inches, Water Column
Gas Pipe
Size (NPT)
Single Oven L.P. Gas 145,000 BTU 120 VAC 6 Amps 1 60 Hz 11.5 – 14 ¾“
Double Stack L.P. Gas 290,000 BTU 120 VAC 12 Amps 1 60 Hz 11.5 – 14 1”
Triple Stack L.P. Gas 435,000 BTU 120 VAC 18 Amps 1 60 Hz 11.5 – 14 1 ¼“
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