Stage 6 -Combustion Air Installation - Neptronic SKG3 Series Installation Instructions Manual

CAUTION: Combustion and room ventilation air should conform to local codes and
!
regulations and to section 7.2, 7.3 or 7.4, Air for Combustion and Ventilation of the
current ANSI Z223.1 ''National Fuel Gas Code'' or CAN/CSA-B149.
CAUTION: Air for combustion MUST not be contaminated by halogens, ammonia,
bromides, chlorides, fluorides, iodides or dust. Excessive exposure of humidifier to
these contaminants will result in performance related problems. Humidifier that may
be operated in toxic environments should be equipped with ducted combustion air
installation.
CAUTION: The operation exhaust of fans such as ventilation fans or other
combustion appliances can create a negative pressure condition at the humidifier.
Adequate air supply must be provided for the ventilation devices, in addition to that
required by the humidifier.
Any installation work must be carried out by suitably qualified personnel.
With the exception of ducted combustion air installation, do not locate units in tightly
sealed rooms or small compartments.
Combustion and ventilation air must be supplied through a one permanent low-level
and one permanent high-level opening communicating directly with the outside air.
Air intake(s) location must be at sufficient height above ground level to prevent
blocking by accumulated debris.
SKG3 Steam Humidifier has filtered air openings through the front door.
DO NOT BLOCK OR OBSTRUCT AIR OPENINGS OF THE HUMIDIFIER.
Humidifier is factory adjusted for correct performance. Do not alter throttle setting or
restrict blower combustion air inlet.
Combustion Air
Specification (1)
Note 1: These minimum openings section are specified for the combustion air requirement of
the SKG3 Humidifier, if other Gas fired appliances are installed in the same room, openings
will have to be increased to be able to supply adequate combustion air for all the appliances.
Note 2: ''Ducted Combustion Air'' option is available only upon request .
Stage 6 –Combustion Air Installation
Number of
Model
Module
1
SKG3-110-1 N/P
1
SKG3-155-1 N/P
1
SKG3-180-1 N/P
1
SKG3-210-1 N/P
2
SKG3-265-2 N/P
2
SKG3-310-2 N/P
2
SKG3-350-2 N/P
2
SKG3-405-2 N/P
3
SKG3-505-3 N/P
3
SKG3-560-3 N/P
3
SKG3-610-3 N/P
4
SKG3-710-4 N/P
4
SKG3-765-4 N/P
4
SKG3-810-4 N/P
SKG3 Steam Humidifier
Standard
Natural Ventilation
Installation (1)
Minimum Minimum
Low level High level
opening - opening -
inlet outlet
2 2 2 2
(in ) [cm ] (in ) [cm ]
40 40
[240] [240]
60 60
[360] [360]
70 70
[420] [420]
80 80
[480] [480]
100 100
[600] [600]
120 120
[720] [720]
140 140
[840] [840]
160 160
[960] [960]
180 180
[1080] [1080]
200 200
[1200] [1200]
240 240
[1440] [1440]
280 280
[1680] [1680]
300 300
[1800] [1800]
320 320
[1920] [1920]
19
Special Option (2)
Duct Combustion Air
Installation
Minimum
Minimum Square duct
round duct Ø dimension
(in) [mm] (inXin)
[mm X mm]
Ø 5 5X5
[Ø 127] [130 X 130]
Ø 5 5X5
[Ø 127] [130 X 130]
Ø 5 5X5
[Ø 127] [130 X 130]
Ø 5 5X5
[Ø 127] [130 X 130]
Ø 7 7X7
[Ø 178] [180 X 180]
Ø 7 7X7
[Ø 178] [180 X 180]
Ø 7 7X7
[Ø 178] [180 X 180]
Ø 7 7X7
[Ø 178] [180 X 180]
Ø 9 9X9
[Ø 228] [220 X 220]
Ø 9 9X9
[Ø 228] [220 X 220]
Ø 9 9X9
[Ø 228] [220 X 220]
Ø 10 10X10
[Ø 254] [240 X 240]
Ø 10 10X10
[Ø 254] [240 X 240]
Ø 10 10X10
[Ø 254] [240 X 240]