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Dunkirk DXL Series User Manual

Page 4

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4

EXPLANATORY NOTES
-- All boilers are design certifi ed for installation on noncombustible fl oor.
-- For installation on combustible fl oors use combustible fl oor kit.
-- Recommended chimney height 20 feet. In special cases where conditions permit, chimney height may be
reduced to 10 feet. Refer to the latest revision of NFGC part 11.
-- Electric service to be 120 Volts, 15 Amps, 60 Hz.
-- The MEA number for the this boiler is 19-79-E.
(1) Input rating for sea level to 2,000 ft. (610m) above sea level. United States, over 2000 ft (610m) above sea
level. Reduce input rate 4% for every 1000 ft (304m) above sea level.
(2) Net AHRI Water Ratings shown based on piping and pickup allowance of 1.15. Consult manufacturer

before selecting boiler for installations having unusual piping and pickup requirements, such as
intermittent system operation, extensive piping systems, etc.
For forced hot water systems where boiler and all piping within area to be heated, boiler may be selected
on basis of its heating capacity.

(3) Tank sized for non-ferrous baseboard or radiant panel systems. Increase size for cast iron baseboard and
radiation.

STANDARD EQUIPMENT: Boiler Jacket, Cast Iron Boiler Battery, Combination High Limit/Low Water Cutoff
Control, Intermittent Electric Ignition Pilot System, Vent Damper Relay, Temperature/Pressure Gauge, Circulator
With Return Piping To Boiler, Main Gas Burners, Gas Control (Includes Automatic Gas Valve, Gas Pressure
Regulator, Intermittent Pilot, Safety Shutoff, Pilot Flow Adjustment, Pilot Filter), A.S.M.E. Relief Valve, Drain Valve,
Spill Switch, Rollout Switch, Combination Gas Control, Automatic Vent Damper. Not Shown Are: Wiring Harness,
Thermocouple, Non-linting Safety Pilot.

3 - RATINGS & DATA - NATURAL GAS & PROPANE GAS

Table 2 - Ratings and Capacities

Boiler

No.

(1)

Input

Mbh

(1)

Heating

Capacity

Mbh

(2)

Net AHRI

Rating

Water

Mbh

AFUE

No.

of

Burners

(3)

Recommended

Air Cushion

Tank

Water

Content

(Gals.)

High

Altitude

Input

50

50

42

37

83.5

1

15

2.4

45,000

75

75

63

55

83.1

2

15

4.0

67,500

100

100

83

72

83.0

2

30

4.0

90,000

125

125

104

90

82.0

3

30

5.6

112,500

150

150

124

108

83.0

3

30

5.6

135,000

170

170

139

121

82.0

4

30

7.2

153,000

200

200

165

143

82.0

4

30

7.2

180,000