24
Connections to 230 V~ plugs
A
Power supply
fÖ
B
Configurable floating input
lH
, 230 V,
230 V output
Room thermostat connection 230 V
C
Cylinder temperature sensor (system boiler)
D
Remote control (OpenTherm controller)
E
Outside temperature sensor
sÖ
Heating circuit pump
a-Ö
Fan motor
dG
Gas solenoid valve
gF
Ignition unit/ionisation
sA
No function assigned
X
sÖ
Equipotential bonding (earth conductor)
Note on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
On-site connections on the HBMU heat management unit
A
Fig. 15
A
Diaphragm grommets for cables
■
Open diaphragm grommets as required. Thread
through only one cable at a time without a plug.
Ensure diaphragm grommets are airtight. If required,
remove plug from cable. After threading the cable
through, re-fit the plug to the wire ferrules.
■
For cables without strain relief bushings, provide
strain relief in the wiring chamber in the form of cable
ties.
Outside temperature sensor
Fitting location for outside temperature sensor
■
North or north-westerly wall, 2 to 2.5 m above
ground level; in multi storey buildings, in the upper
half of the second floor
■
Not above windows, doors or vents
■
Not immediately below balconies or gutters
■
Never render over.
Outside temperature sensor connection
See page 23
2-core lead, length up to 35 m with a cross-section
of 1.5 mm
2
Connecting the cylinder temperature sensor
Connect cylinder temperature sensor to terminals
E
.
See page 23.
Installation sequence
Electrical connections
(cont.)
6173886
Installation
Содержание B0KA
Страница 14: ...14 1 4 5 3 2 Fig 4 Installation sequence Removing the boiler from the packaging 6173886 Installation ...
Страница 28: ...28 1 2 Fig 20 Installation sequence Fitting the front panel 6173886 Installation ...
Страница 78: ...78 1 2 3 6 4 5 7 Fig 42 Troubleshooting Repairs cont 6173886 Diagnosis ...