MAINTENANCE INSTRUCTIONS
49
SVZ
SRB
MIAH6
N
L
TP
CT
Wiring diagrams:
Key
TP
Storage cylinder pre-heating
timer option (only if parameter
P00 = 2, 3 or 4)
CT Telephone control
SRB
Remote boiler Lock-Out indicator
Option
SVZ
Zone Valves Management PCB
(if Remote control is installed)
TAZ 1 ZONE 1 Room thermostat
TAZ 2 ZONE 2 Room thermostat
VZ1 Zone valve 1
VZ2 Zone valve 2
VZR Zone valve Remote control
FC Zone valve limit switch
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