andrews CWH120/200, Installation, Operation And Maintenance Manual

Page: 21 / 44

MAXXflo Water Heater
21 21 INSTALLATION • SECTION 3
CWH30 & CWH60 FLUE SYSTEMS
The CWH30 & CWH60 uses a concentric flue system, 125mm outside diameter with an inner flue of 80mm 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.
Standard Length Cut
A2
Horizontal Kit
Minimum
Service
Clearance
Add standard
or cutable
flue to improve
access to tank
top for inspection
(see page 35)
Vertical Kit
Minimum
Service Clearance
Sealing Clamp
it roof
be cut
A1
to su
Can
Wall
300
t s Wall P a e l
Wall
to suit wall thickness
Sealing Clamps
A1
300
Service Clear
Minimum
ance
Horizontal Kit
A lternative Flue Systems
o suit wall thickness
tandard Length Cut
A2
t
S
52
8
Wall Plates
C ps lam
A1
e l S a n i g
Wall
0 10
With this application
pipes must clear
Horizontal Flue
B260 – Horizontal flue kits include the following:
A1 – 90° bend with sealing clamp (Part No. E071)
A2 – Wall outlet terminal with sealing clamp
complete with inner and outer wall plates
fixing screws and plugs. (Part No. E073)
B261 – Vertical flue kits include the following:
A1 – Roof outlet terminal with sealing clamp. (Part No. E067)
Roof flashing plates and additional Flue components are
available.
Optional flue components available
Part No Description
E071 90° elbow c/w clamp
E308 45° elbow c/w clamp
E064 1m length of flue c/w clamp
E070 1m length cutable flue c/w
clamp
E069 0.5m flue c/w clamp
E065 Flat roof plate (125mm)
E066 Angled roof plate (125mm)
E068 Wall clamp (125mm)
E105 Guard for horizontal flue
terminal
E310 Flue condense trap
B260 Horizontal flue terminal
B261 Vertical flue terminal
E211 Condensate trap bottle
E075 Flue clamp 125mm
E261 Condense trap pipe kit
Add standard
or cutable flue
to improve
access
to tank top for
inspection (See
page 36