A.O. Smith SGS - 100, Installation, User And Service Manual

Page: 39 / 121

Installation
36 Instruction manual SGS
3
is
Practical example of concentric flue gas discharge
Example
The figure shows a SGS 30 installation. The water heater must be fitted with 25
m of concentric pipe (C13/C33) and four 90 degree bends. The configuration
must be checked for compliance with the requirements stated in the table.
Water heater with concentric flue gas discharge material
According to the table, the maximum length allowed is 40 metres, and there may
be up to seven 90 degree bends. Both requirements are fulfilled.
Specifications
Caution
For type C13 and C33 installations,A.O.Smith prescribes the use of a roof
or wall flue terminal, exclusively of a type approved for the water heater. Use of
an incorrect roof or wall-mounted flue terminal can cause the installation to
malfunction.
Concentric wall flue terminal specifications C13
IMD-0791 R0
Subject Description
Wall flue terminal set:
•
1x Wall flue terminal (incl. wall
flange & clamping ring)
• 1x Pipe 500 mm
• 1x 90
o
bend
Art. No. SGS 28, 30, 50, 60 0302 504
1
SGS 80, 100, 120 0302 326
1
Manufacturer Muelink & Grol
Type M2000 MDV SEC
Pipe material Construction Concentric
Flue gas discharge Thick-walled aluminium with lipped sealing ring.
Air supply Thin-walled galvanised sheet steel.
Pipe diameters Flue gas discharge SGS 28, 30, 50, 60 Ø 100 mm
SGS 80, 100, 120 Ø 130mm
Air supply SGS 28, 30, 50, 60 Ø 150 mm
SGS 80, 100, 120 Ø 200 mm
(1) No other wall flue terminal is permitted. Use this item number to order the wall conduit set from supplier,
manufacturer or wholesaler.