Introduction; Operating Instructions - Sime Format System 25 HE User Instructions

THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS
1996. It is the law that all gas appliances are installed by a
registered person, in accordance with the above regulations.
Failure to install appliances correctly could lead to prosecu-
tion.
It is in your own interest, and that of safety, to ensure that the
law is complied with.
It is essential that the appliance is correctly earthed. An
electricity supply of 240 V - 50 Hz fused at 3 A is required.
Read these instructions carefully before attempting to oper-
ate the appliance.
1. 1

INTRODUCTION

The Sime "FORMAT SYSTEM 25 HE" family is a fully auto-
matic, wall mounted, room sealed, fan assisted range of com-
bination boilers.
The appliance provides central heating as required.
The heat output is automatically controlled by the fully modu-
lating gas valve (within its pre-set limits), and there are user
adjustable potentiometers to control the temperature of cen-
tral heating.
A temperature/pressure gauge is fitted and an overheat ther-
mostat is incorporated to protect against fault conditions.
KEY
A Temperature/pressure gauge
B Time clock (optional)
C Rotary switch
E C.H. thermostat
6
OPERATING INSTRUCTIONS FOR THE USER
A
1.2

OPERATING INSTRUCTIONS

1.2. 1 To light the appliance (see fig. 1)
– Turn the selector rotary switch to the WINTER position "
and the burner will light to serve the heating load. Set the
required temperature for the C.H. by rotating the poten-
tiometer ( E) clockwise to increase or anticlockwise to
decrease the temperature.
1.2.2 To turn off the appliance (see fig. 1)
– For short periods:
Set the selector switch (C) to OFF position. When
required, turn the selector switch to the WINTER position.
– For longer periods:
Set the selector switch (C) to the OFF position, turn off
the gas isolation cock. When required, manually rotate
the pump, open the gas isolation cock and turn the selec-
tor switch to the WINTER position.
NOTE: If frost protection is required-Leave the selector
switch in the winter position, turn then CH thermostat
to minimum (fully anticlockwise), do not isolate the gas
supply.
F
B C E
"
Fig. 1