12
Technical features and dimensions
Minimum heat input
Nominal heat input (low)
(*) Nominal heat input (high) (reduction for Altitude)
Nominal heat output (HT)
Minimum heat output (HT)
Efficiency at full load (100%)
Efficiency at min load
Nominal heat output in condensing mode
Minimum heat output in condensing mode
Efficiency at nominal load in condensing mode
Efficiency at min load in condensing mode
Combustion efficiency at nominal load
Combustion efficiency at min load
Stand-by losses
Flue gas temperature (Flue gas temp - room temp)
Air excess
λ
Condensate production max
Boiler category
Minimum water flow rate in CH circuit
Δ
t 36°F (20°C)
Min. pressure in CH circuit
Max. allowable pressure in CH circuit
Water content in primary circuit
Maximum operating temperature
Minimum operating temperature
Electrical supply
Net weight
Gross weight
2.5 -
PERFORMANCE DATA
For information regarding the adjustment of: INJECTORS - BURNER PRESSURES – DIAPHRAGMS – OUTPUTS – GAS CONSUMPTIONS
please refer to the paragraph BURNER ADJUSTMENT.
[Btu/hr (kW)]
[Btu/hr (kW)]
[Btu/hr (kW)]
[Btu/hr (kW)]
[Btu/hr (kW)]
[%]
[%]
[Btu/hr (kW)]
[Btu/hr (kW)]
[%]
[%]
[%]
[%]
[%]
[°F (°C)]
[%]
[lb/hr (kg/hr)]
[gal/min (l/min)]
[psi (kPa)]
[psi (kPa)]
[gal (L)]
[°F (°C)]
[°F (°C)]
[V-Hz]
[lb (kg)]
[lb (kg)]
55,800
227,500
204,750
199,000
47,700
87.45
85.50
298,600
54,000
91.46
96.7
98.4
98.3
0.22
124
20.6
20.3
IV
1.43
7.3
92
1
176
86
120 - 60
130
141
(16.35)
(66.67)
(60.01)
(58.32)
(13.98)
(70.0)
(15.83)
(51.1)
(9.2)
(5.40)
(50)
(634)
(3.9)
(80)
(30)
(59)
(64)
ALKON 70
38,500
176,000
158,400
154,000
32,900
87.66
85.50
161,000
37,200
91.6
96.70
97.8
98.4
0.3
110
20.6
16.5
IV
1.01
7.3
92
1
176
86
120 - 60
111
121
(11.28)
(51.58)
(46.42)
(45.13)
(9.6)
(47.2)
(10.9)
(43.3)
(7.5)
(3.86)
(50)
(634)
(3.9)
(80)
(30)
(50)
(55)
ALKON 50
Max dynamic gas pressure A (natural)
Nominal dynamic gas pressure A (natural)
Min. dynamic gas pressure A (natural)
Max dynamic gas pressure E (Propan HD)
Nominal dynamic gas pressure E (Propan HD)
Min. dynamic gas pressure E (Propan HD)
[in wc (kPa)]
[in wc (kPa)]
[in wc (kPa)]
[in wc (kPa)]
[in wc (kPa)]
[in wc (kPa)]
10.5
7.0
3.5
13.0
11.0
8.0
(2.61)
(1.74)
(0.87)
(3.23)
(2.74)
(1.99)
(*)
For adjustments, refer to section 3.26 and 3.27
