SM100/5W Installation Manual

Table Of Contents
5
Installation
SM80/5, SM100/5 – 6 720 800 156 (2013/06)12
5.2.1 Connecting the DHW tank on the water side
Example of system with all recommended valves ( Fig. 12, page 12).
When selecting the expansion vessel for the hot water side, take the
content of the coils and DHW tank into consideration.
Route the connection cables for the tank temperature sensors at the
back of the tank through the insulation to the heating appliance or
controller.
Install piping runs so that natural circulation is prevented. If
necessary, install check valves.
Install connection cables free of stress.
Attach piping to the tank connections on-site.
Check all connections for leaks.
Fig. 12 Installation (illustrative)
[1] Storage tank
[2] Shut-off valve
[3] P&T safety valve (combined with hot water outlet)
[4] Check valve
[5] Tank primary pump
[6] Recirculation pump (optional)
[7] Air eliminator (in main supply)
[8] Drain valve
[9] Expansion vessel
[10] Thermostatic DHW mixing valve
[11] Tank primary pump
[12] Solar pump station
[AW] DHW outlet
[EZ] Recirculation inlet
[VS
1
] Tank supply (solar)
[RS
1
] Tank return (solar)
[VS
2
] Tank supply (boiler)
[RS
2
] Tank return (boiler)
[EK] Cold water inlet
[EL] Tank drain
5.2.2 Installing a T&P safety valve (on-site)
Install a listed T&P safety valve that is approved for potable water
( ¾ ") in the DHW outlet.
This DHW tank must be installed with a new T&P safety valve.
The T&P valve must be sized no smaller than the rated tank capacity.
Observe the safety valve installation instructions.
T&P discharge pipe:
The discharge pipe must be at least equal to the outlet cross-
section of the safety valve.
Route the discharge line from the T&P valve directly to an
adequate drain (maximum length 6 ft (2m) with no more than two
90°-elbows).
The discharge line must terminate at an adequate drain in order to
prevent property damage from spillage.
Check that the T&P safety valve operates properly at least once
annually.
Never plug the blow-off line. During heating, water may be
discharged for operational reasons at any time.
Fitting the B-kit
Fig. 13 Connecting the DHW tank components
[1] Tee 1" x 1" x 3/4" (2x) with T&P safety valve
[2] Cap (3/4") for recirculation connection
[3] Bracket with aquastat
[4] Tee with fill and drain valve
6 720 800 155-11.1ITL
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6 720 800 155-05.1ITL