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Type boiler
Natural gas
3
CO
flue gas
2
Propane
Natural gas
3
O
flue gas
2
Propane
Flue gas temperature at
combustion air temperature =
70 °F (20 °C)
Available pressure for the flue
4
and inlet system
INSTALLATION
∆T = 20 F
Resistance
∆T = 35 F
boiler
Pressure boiler min-max.
Max. supply temperature
DHW PERFORMANCE
flow rate at ∆T = 77 °F
Pressure DHW min-max
Thermal Efficiency
6
ELECTRIC
Minimum power consumption
Maximum power consumption
Standby power consumption
Power supply
Protection class
NOTES
3
CO
or O
of the unit measured/set without the boiler front panel in place.
2
2
4
Maximum allowed combined resistance of flue gas and air supply piping at high fire
5
For gas appliance type B23(P) (Room Air) only class IPX4D with special air inlet, otherwise the
protection class is IP20 (see also picture at page 19)
6
Efficiency of DHW performance measured according to ANSI Z21.10.3-2015 • CSA 4.3-2015
Table 3. 4
Low Fire %
High Fire %
Low Fire %
High Fire %
Low Fire %
High Fire %
Low Fire %
High Fire %
°F (°C)
Inch W.C.
(Pa)
ft.head (m.W.C.)
ft.head (m.W.C.)
psi (bar)
°F (°C)
gal/min (l/min)
psi (bar)
%
W
W
W
V/Hz
-
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
VGH-120-CH
VGH-150-CO
86 – 153 (30 – 67)
260
25.2 (7.7)
9.7 (3.9)
11.6 – 43.5 (0.8 – 3.0)
-
-
14.5 - 116 (1.0 -8.0)
140
190
6
VGH-150-CH
9.4 – 8.9
9.1 – 8.4
9.8
10.1
4.1 – 5.0
4.6 – 6.0
6.0
5.5
400
25.2 (7.7)
47.6 (14.5)
9.7 (3.9)
15.8 (4.8)
194 (90)
3.4 (12.9)
93.7
140
220
6
120 / 60
5
IPX4D
340
-
-
140
200
6
21
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