Slant/Fin VHG-100-CH Installation And Service Manual page 19

Type boiler
Natural gas
CO flue gas 3
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
6
Thermal Efficiency
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 below)
6
Efficiency of DHW performance measured according to ANSI Z21.10.3-2015 • CSA 4.3-2015
Table 3. 2
IPX4D Air inlet.
Two 90° Bends with a bird screen
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
-
Figure 3.6
E93.1901EN032 Installation and Service Manual SlantFin VGH-CH / CO
VGH-80-CH VGH-90-CO
86 – 153 (30 – 67)
250
26.3 (8.0) 26.3 (8.0)
8.8 (2.7)
11.6 – 43.5 (0.8 – 3.0)
-
- 14.5 - 116 (1.0 -8.0)
140
180
6
VGH-100-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
320
35.6 (10.9)
8.8 (2.7) 12.7 (3.9)
194 (90)
2.3 (8.7)
95.0
140
190
6
120 / 60
5
IPX4D
Boiler is IP20
applying a bird
screen only
230
-
-
140
180
6
19