Return Flow Temperature Safeguard Set (Maintaining Version) - Bosch UT-L 1 Technical Manual

76 | Fitting
10.4.6

Return flow temperature safeguard set (maintaining version)

Fig. 53 Standard delivery of the return flow temperature safeguard set (coloured grey) for UNIMAT UT-L boilers
[RK] Return
[VK] Flow
[1] Shut-off damper with notched lever
[2] 3-way valve with actuator
[3] Pump
[4] Non-return valve or check valve
[5] Connection for pressure maintaining device
The return flow temperature safeguard set, available as
an accessory, can be used to maintain a required
minimum return temperature. It can be installed in
heating systems that have either a low loss header or a
low-pressure distributor (system examples  Fig. 41 to
Fig. 44, page 60 ff.).
The set is delivered fully fitted which considerably
reduces the time required to complete the boiler
system. The boiler system can therefore be completed
simply and easily with the set.
• The intermediate return piece ( Fig. 50, page 72) is
integrated ready for operation and can therefore not
be used in addition.
• Other versions of the return flow temperature
safeguard set (e.g. with bypass pump, horizontal
connection layout, etc.) are available on request.
• When planning the system, ensure the set matches
the system-specific conditions.
• Dimensions and specification of the return flow
temperature safeguard set are available on request.
6 720 807 794 (2013/04)
RK
1
2
3
4
5
VK
1
BAR
6 720 642 347-66.1il
UNIMAT