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Installing the pipework
Danger
Risk of injury when opening pressurised boiler
flue connections.
Do not open boiler flue connections until they
are depressurised and have cooled down.
C
G
Sample illustration (types M148, M64B, M84B). Stand-
ard delivery may vary subject to order.
Boiler return connector
A
Boiler flow connector
B
Safety valve connector
C
High limit safety cut-out – sleeve R
D
Temperature controller – sleeve R
E
Control equipment – sleeve R
F
Drain connector R 1
G
Hole for equipotential bonding
H
Note
Observe designation for boiler flow and boiler return
connectors on the boiler.
Note
Install all pipe connections free of load and torque
stress.
1. Thoroughly flush the system (especially when con-
necting the boiler to an existing system).
Fitting the measuring and control equipment
Criteria for selecting measuring and control equipment:
Boiler operating pressure
■
■
Type of boiler operation:
–
With constant supervision
–
Without constant supervision
14
A
B
E F
½
½
(additional)
½
½
13 mm
7
!
Please note
Unsuitable water quality can damage the boiler
shell.
Only fill the boiler with water that complies with
the "Standard values for water quality" (see
service instructions).
H
Sample illustration (types M62C and M82A). Standard
delivery may vary subject to order.
2. Connect all pipework.
Installing the equipment
Manufacturer's installation instructions
Electrical connection of equipment
Connection and wiring diagram
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