16
Mexico Super RS 3/100 & 3/125 - Installation
15
INTERNAL WIRING
16
EXTERNAL CONTROLS
17
PICTORIAL WIRING
LEGEND
b blue br brown y/g yellow/green
INSTALLATION
INSTALLATION
External wiring must be in accordance with the current I.E.E.
(BS 7671) Wiring Regulations.
The wiring diagrams illustrated in Frames 18-20 cover the
systems most likely to be fitted to this appliance.
For wiring external controls to the Mexico Super 3 RS boiler
reference should be made to the system wiring diagrams
supplied by the relevant manufacturer, in conjunction with the
flow wiring diagram below and also Frame 15.
Difficulty in wiring should not arise, providing the following
directions are observed:
1. Controls that switch the system ON and OFF, e.g. a time
switch, MUST be wired, in series, in the live mains lead to
the boiler.
2. Controls that override an on/off control, e.g. a frost
thermostat, MUST be wired into the mains lead, in parallel,
with the control(s) to be overridden. Refer to Frame 21.
3. If a proprietary system is used, follow the instructions
supplied by the manufacturer.
Advice on required modifications to the wiring may be obtained
from the component manufacturers.
Note. If there are no external controls the circulating pump
MUST be wired into the control box.
Flow and pictorial wiring diagrams are shown in Frames 16 and 17.
A schematic wiring diagram is included in the Lighting Instruction
label.
1. Remove the securing screw and lift off the
control box cover.
2. Route the electrical leads into the box and
wire into the terminal strip, as shown.
Notes.
a. Secure each lead with one of the cable
clamps.
b. The mains lead connection MUST be made
so that, should the lead slip from its
anchorage, the current conductors become
taut before the earthing conductor.
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