26
INSTALLATION
Ideal Logic System -
Installation and Servicing
23 CONNECTIONs & FILLINg
NOTEs.
Ensure all boss blanking plugs are removed before connecting hardware. Each valve must be fitted to the correct boss as shown
in the picture.
Ensure each union is fitted with fibre seals provided. Do not subject any of the isolating valves to heat as the seals may
be damaged.
Note that all isolation handles are
shown in the open position.
Black
Handle
Yellow
Handle
Black
Handle
205552-10119
CH Flow
Gas
Supply
CH Return
Safety
Drain
Valve
WaTER CONNECTIONs Ch
1.
Connect the CH flow service valve provided in the hardware
pack to the threaded boss connection provided at the lower
rear of the boiler.
2.
Connect the CH return valve.
3.
For boiler outputs of 18, 24 & 30:
If connecting the boiler to heating loads in excess of
60,000 Btu/h, connecting flow and return heating systems
pipework must be sized in 28mm diameter at the point of
pipe connection to the boiler tails. Use 22mm x 28mm pipe
adaptors as appropriate.
gas CONNECTION
IMpORTaNT.
The gas service cock is sealed with a non-metallic
blue fibre washer, which must not be overheated when making
capillary connections. Refer to Frame 1 for details of the position of
the gas connection.
For additional gas supply information refer to “Gas Supply” on page 8.
saFETy VaLVE DRaIN
The safety valve connection, located at the bottom right-hand side of
the boiler, comprises a 15mm diameter stub pipe.
The Installer to provide a comprssion joint on the end of the stub pipe.
This assists with pipe removal when servicing.
The discharge pipe should be positioned so that the discharge
of water or steam cannot create a hazard to the occupants of the
premises or damage the electrical components and wiring.
Note. An optional safety valve wall outlet kit is available if required.
FILLINg
IMpORTaNT
- when filling:
a.
Ensure the dust cap on air vent
located at the rear of the pump
chamber is slightly unscrewed.
B.
When filling, there may be a slight
water leak from the air vent therefore
electrical connections should be
protected.
1. Ensure that the Ch isolating
handles are open.
2.
Fill and vent the system. Refer
to Frame 2 for filling and setting
pressure procedure.
3.
Check for water
soundness.
Dust Cap
24 ELECTRICaL CONNECTIONs
Wiring should be 3 core PVC insulated cable, not less than
0.75mm
2
(24 x 0.2mm), and to BS 6500 Table 16. For IE
reference should be made to the current ETCI rules for
electrical installations.
Connection must be made in a way that allows complete
isolation of the electrical supply such as a double pole switch
having a 3mm (1/8”) contact separation in both poles. The
means of isolation must be accessible to the user after
installation.
Warning
. This appliance MUST be earthed.
A mains supply of 230Vac ~ 50 Hz is required.
The fuse rating should be 3A. All external controls and wiring
must be suitable for mains voltage.
Wiring external to the boiler MUST be in accordance with the
current I.E.E. (BS.7671) Wiring Regulations and any local
regulations.
3G9705
Safety Valve
Drain Connection
15mm elbow
or fittings
(not supplied)
Safety Valve
Drain Pipe
IN
s
T
a
LL
a
TION
