Condair Nortec GS 50, Руководство по эксплуатации и обслуживанию, Страница: 14 / 92

14 Product Overview
2583701_C_EN_1812_Nortec-GS_OM Nortec GS
Figure 3:
3
8
9
13
18
11, 12
14
15
19
25
28
10
16
17
20
22
23
24
27
26
1
2
4
5
6
7
21
Nortec GS Humidifier Components (GS 100 shown)
Note: Door, side and top panels removed for clarity.
1 Vent, exhaust
2 Hose, dual fill valve to fill box
3 Inlet, gas
4 Inlet, dual fill valve
5 Heat-exchanger, secondary
(CS/NX models only)
6 Port, drain
7 Port, condensate (CS/NX mod-
els only)
8 Trap, condensate (CS/NX mod-
els only)
9 Valve, manual drain
10 Panel, front
11 Hose, fill box to drain pump
12 Hose, fill box to water tank
13 Hose, float chamber to water
tank
14 Fill box
15 Chamber, float
16 Switch, On/Off
17 Display, touchscreen
18 Hose, fill box overflow
19 Pump, drain
20 Cover, water tank
21 Tank, water
22 Spark-igniter and flame sensor
23 Combustion chamber and pri-
mary heat-exchanger
24 Module, ignition control
25 Assembly, blower
26 Inlet, air intake
27 Outlet, steam
28 Switch, air proving
3.2 Functional Description
Refer to
Figure 3 on page 14
.
Figure 4 on page 16
shows the general system overview.
Combustion
The combustion system consists of a fully modulating forced-draft combustion air blower(s), a negative
pressure regulated gas valve(s), and a premix burner(s). On a call for humidity, the blower is energized
to purge the system. During this time the control software performs diagnostic checks of the safety
systems – the air proving switch (not shown) and the over-temperature switch, as well as the blowers. If
the air proving switch is open, the warning message " AP Open Warn " appears, and escalates to the fault
message " AP Open Fault " if three consecutive warnings occur. At the same time, if the over-temperature
switch is open, the fault message " Over-Temperature Fault " appears. In addition, if any of the blowers fail
to operate during this time, the fault message " Blower Not Operational " appears. When the functions of
the safety systems have been verified successfully, the gas valve(s) opens and the gas-air mixture is
pushed through the burner ports into the combustion chamber(s). The spark-igniter(s) is simultaneously
activated to ignite the gas-air mixture.