19
Mexico Slimline RS 3/40 & 3/50 -
Installation
INST
ALLA
TION
INSTALLATION
A. ELECTRICAL INSTALLATION
1.
Checks to ensure electrical
safety should be carried out by
a competent person.
2.
ALWAYS carry out preliminary
electrical system checks, i.e.
earth continuity, polarity,
resistance to earth and short
circuit using a suitable test
meter.
C. WATER CIRCULATING
SYSTEM
1.
The whole of the system
should be thoroughly flushed
out with cold water WITHOUT
the pump in position. Ensure
that all valves are open.
2.
With the pump fitted the
system should be filled and
air locks cleared. Check for
water soundness.
B. GAS INSTALLATION
1.
The whole of the gas installation, including
the meter, MUST be inspected and tested
for soundness, and purged in accordance
with the recommendations of BS. 6891.
2.
Purging air from the gas installation may
be expedited by loosening the union on
the gas service cock on the boiler and
purging until gas is detected.
3.
Retighten the union and check for gas
soundness.
23 COMMISSIONING AND TESTING
WARNING.
Whilst effecting the required gas soundness test and purging air from the gas
installation, open all windows and doors, extinguish naked lights and
DO NOT SMOKE.
1.
Offer up the LH side panel and secure the
panel to the baseplate and heat exchanger.
2.
Repeat step 1 to refit the RH side panel.
3.
Place the top panel on top of the side
panels.
22 FITTING THE CASING
4.
Secure the top panel to the
side panels with the screws
at the front.
5.
Insert the thermostat phial into the
thermostat pocket. Take care not to
kink the thermostat capillary as it is
unwound, and secure it with the split
pin as shown.
6.
Replace the control box cover and
refit the control panel, using the
screws previously removed.
7.
Refit the grille assembly.
IMPORTANT.
Wiring within the boiler casing must be
neatly secured with the cable straps
provided and MUST NOT be allowed to
touch the burner front plate, or the
cleanout cover and the collector hood.