Installation Accessories 4.1 Boiler Accessories; Thermally Activated Safety Valve 100 °C; Burner Trolley - Viessmann PYROMAT ECO Technical Manual

Installation accessories
4.1 Boiler accessories
Thermally activated safety valve 100 °C
Part no. 7387 405
Standard version for fixed response temperature approx. 100° C, con-
nection R ¾
Standard delivery:
Thermally activated safety valve incl. sensor well

Burner trolley

Part no. 7437 906
Allows an oil burner to be pulled out from the boiler.
For fitting on the Pyromat on the l.h or r.h side; retracting the burner
manually against spring pressure; when pulled out, the weight valve
closes automatically, providing protection of the burner against con-
tamination; fuse protected with a limit switch.
Flange diameter, internal: 128 mm
PCD:
Retraction stroke:
Weight without burner:
4
A Burner pulled out with closed cover (solid fuel operation)
B Burner retracted (oil operation)
C Insulation
20
150 mm
160
24 kg
355 70
160
100
110-160
Note
Even if this safety equipment is not required by local safety regulations,
its use is strongly recommended.
Standard delivery:
■ 1 limit switch mounted on trolley
■ 1 limit switch, loose, for on-site installation on fill cover
Note
The burner trolley is always needed if an oil burner is to be used.
M8
D Boiler jacket
E Limit switch
F Weight valve
PYROMAT ECO