Lochinvar ECOKNIGHT EKW116CE, Руководство по установке

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7
3.0 PRINCIPAL PARTS
ITEM DESCRIPTION FUNCTION NOTE
1
Stainless steel heat
exchanger
Allows water to flow through specially designed coils for maximum heat transfer, while providing
protection against flue gas corrosion. The coils are encased in a jacket that contains the combustion
process.
Not Shown
in 3.1.2
2
Heat exchanger access
cover
Allows access to the combustion side of the heat exchanger coils.
Not Shown
in 3.1.2
3 Fan
The fan pulls in air and gas through the venturi (item 5). Air and gas mix inside the fan and are
pushed into the burner, where they burn inside the combustion chamber. Not Shown
in 3.1.2
4 Gas valve
The gas valve senses the negative pressure created by the fan, allowing gas to flow only if the gas
valve is powered and combustion air is flowing. Not Shown
in 3.1.2
5 Venturi The venturi controls air and gas flow into the burner.
Not Shown
in 3.1.2
6 Flue gas sensor
This sensor monitors the flue gas exit temperature. The control module will modulate and shut down
the boiler if the flue gas temperature gets too hot. This protects the flue pipe from overheating.
7
Boiler outlet temperature
sensor
This sensor monitors boiler outlet water temperature.
Not Shown
in 3.1.2
8
Boiler inlet temperature
sensor
This sensor monitors return water temperature.
Not Shown
in 3.1.2
9 Electronic display The electronic display consists of 7 buttons and a dual line 32-character liquid crystal display.
10 Flue pipe adapter Allows for the connection of the flue system to the boiler.
Not Shown
in 3.1.2
11 Burner
Made with metal fibre and stainless steel construction, the burner uses pre-mixed air and gas and
provides a wide range of firing rates.
12 Water outlet
BSP water connection that supplies hot water to the system, either 1-1/4" or 2", depending on the
model.
13 Water inlet
BSP water connection that returns water from the system to the heat exchanger, either 1-1/4" or 2",
depending on the model.
14 Gas connection pipe
Threaded pipe connection, 1/2 “, 3/4", or 1", depending on the model. This pipe should be connected
to the incoming gas supply for the purpose of delivering gas to the boiler.
15 SMART Control Module
The SMART Control responds to internal and external signals and controls the fan, gas valve, and
pumps to meet the demand. Not Shown
in 3.1.2
16 Manual air vent Designed to remove trapped air from the heat exchanger coils.
Not Shown
in 3.1.2
17 Air intake adapter Allows for the connection of the air intake pipe to the boiler.
Not Shown
in 3.1.2
18 Mains voltage junction box The junction box contains the connection points for the mains voltage power and all pumps.
19 Boiler drain port Location from which the heat exchanger can be drained.
20
Low voltage connection
board
The connection board is used to connect external low voltage devices.
21
Low voltage wiring
connections (knockouts)
Conduit connection points for the low voltage connection board.
Not Shown
in 3.1.2
22
Condensate drain
connection
Connects the condensate drain line to a 1/2" PVC union.
23 Access cover - front Provides access to the gas train and the heat exchanger.
24 Ignition electrode Provides direct spark for igniting the burner.
Not Shown
in 3.1.2
25 Flame inspection window The quartz glass window provides a view of the burner surface and flame.
Not Shown
in 3.1.2
26 Gas shutoff valve Manual valve used to isolate the gas valve from the gas supply.
Not Shown
in 3.1.2
27 High limit sensor
Device that monitors the outlet water temperature. If the temperature exceeds its setting, it will break
the control circuit, shutting the boiler down. Not Shown
in 3.1.2
28 Flame sense electrode Used by the control module to detect the presence of burner flame.
29
Mains voltage wiring
connections (knockouts)
Conduit connection points for the mains voltage junction box
Not Shown
in 3.1.2
30 Top panel Removable panel to gain access to the internal components.
31 Power switch Turns 230 VAC ON/OFF to the boiler.
32 Levelling legs
Used to allow the heat exchanger to be levelled. This is needed for the proper draining of the
condensate from the combustion chamber Not Shown
in 3.1.2
3.1.1
PRINCIPLE PARTS LIST TO BE USED IN CONJUNCTION WITH 3.1.2