Installation Manual

2
Product information
SU54/5, SU80/5, SU100/5 – 6 720 808 532 (2013/08)4
1.3 Instructions for the owner and operator
▶ Explain the operation and handling of the heating system and DHW
tank, making a particular point of safety-relevant features.
▶ Explain the function and how to check the T&P safety valve.
▶ Hand all enclosed documents over to the owner/operator.
▶ Recommendation for the user: Sign a maintenance and inspection
contract with a licensed contractor.
▶ Highlight the following for the user:
– Water may be discharged from the T&P safety valve during heat-up.
– The blow-off line on the T&P safety valve must always be kept open.
– Check that the T&P safety valve operates properly at least once
yearly.
– The tank must be inspected annually and maintained as required.
2 Product information
2.1 Scope of delivery
•Tanks
• Installation and Service Instructions
•B-KIT
Fig. 1 B-kit
[1] Tee 1" x 1" x ¾ " (2x)
[2] Temperature and pressure relief valve
[3] Blanking cap ¾ "
[4] Drain valve
[5] Bracket for aquastat, screws for aquastat bracket (4x)
[6] Compensating spring for aquastat or tank temperature sensor
[7] Quarter-circle spacer for aquastat or tank temperature sensor
(2x)
2.2 Intended use
The tank is designed for heating and storing drinking water. Please
observe national, regional, and local codes, regulations, guidelines and
standards for potable water.
Install this tank only in sealed unvented hydronic heating systems.
Any other purpose is considered improper use. Any resulting damage is
excluded from the manufacturer's warranty.
WARNING: Risk of scalding at the taps!
There is a risk of scalding at the taps if the tank
temperature is set above 122 °F (50 °C) and during
thermal disinfection.
▶ Advise users that they should draw off only mixed
water. Otherwise, install a thermostatic DHW mixing
valve.
NOTICE: Risk of tank damage from excessively high
pressure.
▶ Never plug the discharge line of the T&P safety valve.
Requirements for drinking water Unit
Water hardness, min. ppm
grain/US gallon
°dH
36
2.1
2
pH value, min. – max. 6.5 – 9.5
Conductivity, min. – max. μS/cm 130 – 1500
Table 3 Requirements for drinking water
6 720 805 397-01.1ITL
1
2
4
3
5
7
6