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Commissioning checklist
Model
Checks to be performed
1
all
Is the heat interface unit properly secured to the wall?
2
all
Has the system flushing been carried out?
3
all
Check strainers and clean them if necessary
4
all
Is the heat meter (if present) connected?
5
all
Is the heat meter (if present) connected to the building datalogger (if required)?
6
all
Is the DCW line fitted with a pressure reducing valve?
7
all
Is the system protected by water hammer arresters?
8
all
Has the domestic exchanger pre-heating function (normally off) been activated (if
required)?
9
SATK20103HE
SATK20203HE
Has the modulating temperature regulation with compensated set point (normally off)
been activated (if required)?
10
all
Is the heat interface unit connected to the 230 V (ac) electric supply?
11
all
Is the room thermostat (potential-free contact) connected?
12
all
Has the visual inspection of electrical connections inside the heat interface unit given
a positive result?
Are the connections compliant with specifications and made in accordance with best
practices?
13
all
Are the shut-off valves open?
14
all
Has the visual inspection of the hydraulic connections given a positive result?
15
all
Has the system been filled and vented?
16
all
Is the heat interface unit powered (green “ON” LED lit)?
17
all
No alarm code (“fault” LED lit) on heat interface unit regulator?
18
all
Has the DHW temperature been set to the required value?
(42–50°C recommended)
19
SATK20103HE
SATK20203HE
Has the heating flow temperature been set to a correct value?
20
all
Is the primary circuit at working temperature?
21
all
Check that “CH” LED lights approx. 10 seconds after the thermostat trips
22
SATK20103HE
SATK20203HE
SATK20403HE
Check that the pump operates correctly on tripping of the thermostat
(check that secondary flow pipes start to heat up)
23
all
Simulate minimal DHW tapping (approx 3 l/min) and check that “DHW” LED lights
and that water is supplied at the required temperature
24
all
Simulate abundant DHW tapping and check, by means of the installed heat meter,
that the primary circuit flow rate is sufficiently high