Installation guide

XXXXXXXXX • SECTION XX
23
INSTALLATION • SECTION 3
CWH90 & CWH120 Flue Systems
The CWH90 & CWH120 uses a concentric flue system,
200mm outside diameter with an inner flue of 130mm diameter.
Flue components fit together with silicon sealing rings and the flues are retained with sealing clamps.
Each heater can be ordered with either a horizontal or vertical flue kit. Flue assembly instructions are also included.
23
Standard Length Cut
A2
Horizontal Kit
Minimum
Se r v i ce
Clearance
Add standard
or cutable
flue to improve
access to tank
top for inspection
(seepage35)
Vertical Kit
Minimum
Service Clearance
Sealing Clamp
it roof
b
ecut
A1
to su
C
an
Wall
300
tsWall P a el
Wall
to suit wall thickness
Sealing Clamps
A1
300
Service Clear
Minimum
ance
Horizontal Kit
Alternative Flue Systems
o suit wall thickness
tandard Length Cut
A2
t
S
5
2
8
Wall Plates
Cpslam
A1
elS ani g
Wall
010
With thisapplication
pipes must clear
Horizontal Flue
B262 – Horizontal flue kits include the following:
A
1 – 90° bend with sealing clamp (Part No. E215)
A2 – Wall outlet terminal with sealing clamp
complete with inner and outer wall plates
fixing screws and plugs. (Part No. E240)
B263 – Vertical flue kits include the following:
A
1 – Roof outlet terminal with sealing clamp. (Part No. E670)
Roof flashing plates and additional Flue components
are available.
Optional flue components available
Part No Description
E215 90° elbow c/w clamp
E216 45° elbow c/w clamp
E212 1m length of flue c/w clamp
E213 1m length cutable flue c/w clamp
E214 0.5m flue c/w clamp
E217 Flat roof plate (200mm)
E218 Angled roof plate (200mm)
E219 Wall clamp (200mm)
E630 Guard for horizontal flue terminal
E220 Flue condense trap
B263 Vertical flue terminal
B262 Horizontal flue terminall
E211 Condensate trap bottle
E385 Flue clamp 200mm
Add standard or
cutable flue to
improve access
to tank top for
inspection (See
page 36