Instruction manual

MAINS SUPPLY
ELECTRIC SUPPLY:
• Supply: 230V - 50Hz,
50 watts not including pump.
• Cable: PVC insulated 0.75mm
2
(24 x 0.2mm)
temperature rated to 90°C.
• External 3A fuse to BS1362.
• The appliance must be earthed.
• Mains supply to the boiler and system wiring
centre must be through one common fused
double pole isolator situated adjacent to the
appliance.
• Wiring must comply with IEE wiring regulations
and any local regulations which may apply to
fixed wiring to a stationary appliance.
GAS SUPPLY:
• Boilers using NG must be connected to a
governed meter.
• LPG boilers must be connected to a
regulator.
• Installation and connection of the gas supply
to the boiler must be in accordance with
BS6891.
• The meter or regulator and pipework to the
meter must be checked, preferably by the
gas supplier, to ensure it is in good working
order and can meet the gas flow and
pressure requirements in addition to the
demand from any other appliance being
served. This does not include the pipework
from the meter to the boiler.
GAS SUPPLY PIPE SIZING:
12 & 15 Ri MODELS
Provided that the correct gas supply working
pressure and gas rate can be achieved
(see technical data table page 4
commissioning section, page 30,
also refer to BS 6891)
Then it may be possible to reduce the gas
supply pipe diameter to 15mm.
Generally speaking, the appliance would
need to be within 3 to 4 metres of the gas
meter. However, this will depend on the dis-
tribution pipe size and route.
This appliance must not be connected
to a three phase supply.
•
•
18 & 24 Ri MODELS
Under no circumstances should the size
of the gas supply pipe be less than 22mm.
MAINS SUPPLY
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR Ri
8 716 115 168a (06/2008)
7
PRE -
INSTALLATION