Glow-worm Easicom 28 - External Accessories; Testing the Electrical Connections

0020140413_01 - 09/12 - Glow-worm
10.3.2 230V permanent supply + 230V system controls
a
DANGER:
All cables connected to the appliance should be
permanently xed to the wall.
i
IMPORTANT:
This appliance will not operate without a link or system
controls tted.
24
V
4
5
6
7
2
1
3
Key
1 230V permanent supply
2 System controls
3 Frost stat
4 Main board terminal block
FP=Froststat230V(switchable)
RT=Switchlive(230V)
=Mainsearth
N=Mainsneutral
L=Mainslive
5 Junction box
6 Fuse
7 Double pole connector
• Connect the mains supply and system heating controls e.g.
room thermostat as described.
• When installing a 230v controller, the link tted to the 24v
terminals (RT/24v) must be removed.
RT 24V T° extBUS
10.4 External accessories
e
DANGER:
Under no circumstances must any mains voltage be
applied to any of the terminals on the 24v connection
plug.
230
V
X17
RT 24V T° extBUS
BUS
24 V
3
2
1
Key
1 24V room thermostat connector
2 Ebus room thermostat connector or Ebus radio receiver
3 Outdoor sensor connector
• Fit external controls in accordance with the rules in force.
• When installing a non eBus controller, the link tted to the 24V
terminals (RT/24V) must be removed.
10.5 Testing the electrical connections
Carry out preliminary electrical system checks as below:
- Resistance to earth (<1 Ohm)
- Short circuit test (L-N)
- Resistance to earth (L-E)
- Polarity check
INSTALLATION
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