SECTION 4
POTTERTON COMMERCIAL PRODUCTS DIVISION
INSTALLATION, OPERATION & MAINTENANCE MANUAL
PAGE 16
NXR3
7.
Top Front Casing Support Bracket
– (Fig. 13 –
item 64). Fit the top front casing support bracket
(with the fold looking forward and upward) to the
front of the casing frame cross member and
secure with two screws.
8.
Top Insulation Blanket
– Place the top insulation
blanket on the casing support frame. The slits in
the insulation should be at the front.
9.
Casing Brackets
– (Fig. 13 – item 52). Fit the two
off casing brackets to the lower front of the boiler.
CASING ASSEMBLY
Note: The boiler casing is not load bearing.
1.
Front Side Panels (Black)
– (Fig. 13 – 57 and
58). Hook the front side panels over the casing
frame support rails and lower front casing
brackets with the clip brackets towards the rear.
Clip the brackets onto the bottom tie rods to
secure. Screw into place to the casing support
frame rails and to the lower front casing brackets.
2.
Middle Side Panels (Models 37, 38 & 39 only
) –
(Fig. 13 – item 63). Hook the middle side panels
over the casing frame support rails with the clip
brackets towards the rear, locating the panel onto
the pin on the front side panel. Clip the brackets
onto the bottom tie rods to secure.
3.
Rear Side Panels
– Hook the rear side panels
over the casing frame support rails and the lower
rear panel, locating the panel onto the pin on the
front/middle side panel. Screw into place the
casing support frame rails and lower rear panel.
4.
Upper Rear Panel
– (Fig. 13 – item 63). Slide
upper rear panel into position and locate lugs in
holes in rear of side panels. Push down to secure.
5.
Front Top & Instrument Panel – (SEE
CONTROL PANEL FOR CONTROL PANEL
ASSEMBLY).
Secure instrument panel to front
top panel via four off screws. Feed stat phials,
burner cables and earth wire through the slit in the
top insulation then position front top/control panel
inside casing support frame. Push forward to
secure.
6.
Middle Top (Models 37, 38 & 39 only)
– Place in
between casing support frame rails. Push forward
towards front top to secure.
7.
Rear Top Panel
– Position on casing frame
support rails and push forward. Fix in position to
upper rear panel with two off screws.
8.
Lower Mask
– (Fig. 13 – item 56). Hook the lower
mask over the casing brackets.
9.
Lower Front Panels (black)
– (Fig. 13 – items 69
and 70). Locate lower left and right front panels on
lugs on side panels and bracket onto lower mask.
Push down to secure.
10.
Upper Front Panel
– (Fig. 13 – item 68). Position
in locating holes on lower front panels. The upper
front panel is secured by two magnets onto the
side panels.
Fig. 11 – Casing Side Panel Assembly
No. of Sections
4
5
6
7
8
9
Front
A
300
Middle
B
N/A
510
Rear
C
514
684
854
514
684
854
Fig. 12 – Front Casing Assembly
Front
Middle
Rear
Front
Rear
C
B
A
B
A