Grant VORTEX Pro External Combi 21e - Page 5

Introduction
5
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Figure 1-1: Vortex Pro Combi 21e boiler with front panel removed showing position of control panel
IMPORTANT
CABLE TO PLUG MUST BE SECURED IN CABLE CLAMP BELOW PANEL
MAXIMUM CABLE LENGTH BETWEEN PLUG AND CLAMP 350mm
WARNING 230V ISOLATE MAINS POWER SUPPLY BEFORE REMOVING COVER
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Figure 1-2: Vortex Pro Combi e boiler control panel
Electrical
connection socket
Service
switch
Boiler
thermostat
Pressure
gauge
Boiler On / Off switch
Expansion vessel
(In 26e and 36e
models, this is
mounted on the
front of the boiler)
panel
Burner lock-out
button
Indicator lights
Overheat reset button
(under black cap)
Hot water (DHW) pump
Non return
valve
Heating (CH) pump
Non return
valve