Flow Wiring Diagram - IDEAL isar HE24 Installation And Servicing

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41 FUNCTIONAL FLOW WIRING DIAGRAM
Dry fire thermistor
nm8949
LEGEND
b - blue
or - orange
bk - black pk - pink
br - brown
r
gy - grey
v - violet
42 COMMISSIONING AND TESTING
A. Electrical Installation
1. Checks to ensure electrical safety should be carried out by
a competent person.
2. ALWAYS carry out the preliminary electrical system checks,
i.e. earth continuity, polarity, resistance to earth and short
circuit, using a suitable test meter.
WARNING.
Whilst effecting the required gas soundness test and purging air from the gas installation,
34
INSTALLATION
w - white
- red
y - yellow
y/g - yellow/green
open all windows and doors, extinguish naked lights and DO NOT SMOKE.
B. Gas Installation
1. The whole of the gas installation, including the meter,
should be inspected and tested for soundness and purged
in accordance with the recommendations of BS. 6891.
In IE refer to IS.813:2002.
2. Purge air from the gas installation by the approved
methods only.
D i v e r t e r
Val ve
isar -
Installation and Servicing