Benchmark Metropolis DGT 25 BF, Инструкция по установке и обслуживанию

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tected by a 3A fuse with a distance of at
least 3 mm between contacts.
NOTE: The boiler must be connected with
an efficient earthing system.
SIME shall not be held liable for injury or
damage resulting from failure to earth
the boiler.
Ensure that the boiler is isolated
from the power supply before any
service or repair work is done.
2.18.1 Room Thermostat
Remove the boiler casing, remove the two
securing screws and tilt the control panel.
Connect the thermostat to the 6 pole ter-
minal board as indicated in the boiler elec-
trical diagram
(see diagram 2.19) after
having removed the existing bridge.
The room thermostat to be used must be
of a class conforming to the standard EN
60730.1 (clean electrical contact).
Description of the letters indicating the
components shown on the system dia-
grams:
M System output
R System return
TA Zone room thermostat
EXP Expansion card (code 6301430)
16
ENG
IT
ES
R M
SE
TA
CR
EXP
1 BASIC SYSTEM