A.O. Smith ADM - 80 - Manual (Page 22)

Installation
22 Instruction manual ADM
3
is
3.6 Water connections,
Vented Warning
The installation should be carried out by an authorised installation engineer,
in compliance with general and local regulations (1.3 "Regulations") .
3.6.1 Cold water side
See (A) in the installation diagram (3.5 "Installation diagram") .
1. Fit an approved stop valve (4) on the cold water side between the cold water
head tank (18) and the appliance, as required by
regulations
(1.3 "Regulations") .
3.6.2 Recirculation pipe
You can install a top to bottom circulation pump to prevent water stacking in the
boiler.
1. Optional: depending on the draw-off pattern, fit a recirculation pipe (Ø 22
mm), a stop valve (11) and a top to bottom circulation pump (7).
2. Fit a non-return valve (5).
3. Fit a stop valve (11).
3.6.3 Hot water side
See (B) in the installation diagram (3.5 "Installation diagram") .
Note
Insulating long hot water pipes prevents unnecessary energy loss.
1. Fit the T&P valve (3).
2. Optional: fit a temperature gauge (12) so you can check the temperature of
the tap water.
3. Fit a stop valve (4) in the hot water outlet pipe, for use when servicing.
4. If a circulation pipe is required, continue further by installing the circulation
pipe (3.6.5 "Circulation pipe") .
3.6.4 Drain valve
1. Fit the standard drain valve (9) supplied with the appliance.
2. If applicable, fit a circulation pipe
(3.6.5 "Circulation pipe") .
If not, fit the blind threaded plug and gasket (C) supplied with the drain valve,
as shown in the figure.
C
IMD-0122 R1