Midco Unipower V1, Installation And Service Instructions Manual, Page: 2 / 40

2
Midco International Inc.
8471 95
Part 1 Installation
Speci fi cations 1
For 120 Volt Burners:
The VA Series - 120V, Models V1 to V6 burners with intermittent spark ignited pilots and V7 to V10 with interrupted pilots, are
adaptable to most gas utilization equipment, including furnaces, heat exchangers and process ovens. They are particularly
recommended for fi ring high e ffi ciency and high turndown applications.
For 24 Volt Burners:
The VA Series - 24 Volt , Models V 1 and V 2 burners with intermittent spark ignited pilots are adaptable to most gas utilization
equipment, furnaces, heat exchangers and process ovens. They are particularly recommended for
fi ring high e ffi ciency and high
turndown applications.
120 V 120 V 120 V 120 V 120 V 120 V 120 V 120 V 120 V 120 V 24 V 24 V
Burner Model V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V1 V2
Maximum Input
at 10
″
(MBH)
2,3
670 1,260 2,000 2,000 2,500 2,500 3,000 3,000 3,800 3,800 670 1260
Maximum Input
at 7
″
(MBH)
2,3
550 1,150 1,890 1,890 2,500 2,500 3,000 3,000 3,300 3,330 550 1150
Minimum
Input
(MBH)
2,3
36 48 80 80 100 100 120 120 150 150 36 48
Turndown 19-1 26-1 25-1 25-1 25-1 25-1 25-1 25-1 25-1 25-1 19-1 26-1
Inlet Gas
4
(NG)
pressure for
maximum
fi ring rate W.C. 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″ 10.0 ″
Manifold gas
(NG)
pressure for
maximum
fi ring rate W.C. 5.0 ″ 3.4 ″ 3.9 ″ 3.9 ″ 4.3 ″ 4.3 ″ 4.4 ″ 4.4 ″ 4.9 ″ 4.9 ″ 5.0 ″ 3.4 ″
Approximate
Air Delivery at
Zerog Draft
(CFM)
115 210 360 360 440 440 620 620 720 720 115 210
Values given based on +0.5 ″ W.C. combustion chamber pressure. (Maximum Firing Rate)
Minimum Recommended Chamber Size (Based on +0.5 ″ Drafts) (Maximum Firing Rate) (Dimensions shown in inches)
Width in inches 18 ″ 24 ″ 34 ″ 28 ″ 42 ″ 30 ″ 48 ″ 36 ″ 54 ″ 36 ″ 18 ″ 18 ″
Height in inches 18 ″ 24 ″ 26 ″ 28 ″ 26 ″ 36 ″ 28 ″ 42 ″ 28 ″ 42 ″ 24 ″ 24 ″
Depth in inches 42 ″ 48 ″ 54 ″ 54 ″ 60 ″ 60 ″ 66 ″ 66 ″ 72 ″ 72 ″ 42 ″ 48 ″
Control Amps 1.3 1.6 1.5 1.5 2 2 2.1 2.1 2.1 2.1 1.3 1.6
Motor Amps 3.5 4.0 10.5 10.5 10.5 10.5 13 13 13 13 3.5 5.2
Total Amps 4.8 6.8 12 12 12.5 12.5 15.1 15.1 15.1 15.1 4.8 6.8
Motor HP .32 .50 1.10 1.10 1.10 1.10 1.75 1.75 1.75 1.75 35 40
1 Standard burners are shipped as NATURAL gas models. Contact Midco for PROPANE gas burners.
2
1 MBH = 1,000 Btu/hr
3
All Ratings Based on 1000 BTU/Cu. Ft. NATURAL, 2500 BTU/Cu. Ft. PROPANE at sea level. Derate burner for altitude over 2,000 feet by 4%
for each 1,000 feet above sea level.
4
Lower gas inlet pressure may be used when maximum input is not required. Burner input based on +0.5 ″ W.C. back pressure.
Table 1. Burner Speci fi cations