robatherm RM Series - Page 60

Commissioning and Maintenance
56 © robatherm
For UV monitoring:
 Unscrew UV cell. Clean with soft cloth, refit. Change if discoloured.
For ionisation monitoring:
 Unscrew ionisation rod, clean with soft cloth, refit.
Gas Surface Cleaner – Maintenance when necessary
 The exchange of defective parts should only be carried out by a specialist in accordance
with the procedure described (see page 53). Spare parts must be appropriate for the unit!
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Structure of the Gas System
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Components of the Gas System
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Item Component
Low
Pressure
ND*
Medium
Pressure
MD**
France
F
Designation Function
1 x x x Stop-cock Manual shut off
2 x x x Gas filter Protection from dirt
particles
3 x x x Pressure controller Pressure reduction and
stabilisation
4 - x o Safety shut off
valve
Closes mechanically at
p2 ≥ p2
soll
; hand
unlocking
5 - x o Safety shut off
valve
Opens at p2 ≥ p2
rated
6 x x x Magnetic valve Closes and opens gas
supply
7 x x x Control damper
with servo motor
Controls gas quantity and
thus heating capacity
8 x x x Ignition gas valve Closes and opens ignition
gas supply