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34 Instruction manual SGE
3
is
Appliance with parallel flue gas discharge material
The longest pipe must be used to check the maximum length. In this case, the
chimney pipe is the longest. This is 4 metres. This 4 metres is the sum of pipe
sections 1 and 2. The length of the transition piece can be ignored. The total
number of bends used in the chimney flue and air supply , is 4. The bend in the
transition piece can be ignored. According to the table, 4.6 metres must be
added for each bend. This brings the total pipe length to:
(4.6 x 4) + 4 = 18.4 + 4 = 22.4 m.
This is less than the maximum length of 55 metres stated in the table. The
installation therefore meets the requirements.
3.11 Electrically
connecting the water
heater
Warning
The installation should be carried out by a competent person, in compliance
with general and locally applicable regulations (1.3 "Regulations").
3.11.1 Introduction
This section covers the following topics:
• Preparation
• Connecting the mains power
Optionally, it is possible to connect an isolating transformer, a program-
controlled pump (a pump between the storage tank and the water heater) and
an extra alarm signal to the water heater. For these options, see:
• Isolating transformer
• Connecting a program-controlled pump
• Connecting an extra ON mode switch
• Connect additional error signal
Connecting the solar heating system is also described:
• Connecting communication cable to solar heating system
Note
The optional components are not included in the electrical power
consumption rating stated in the table (3.4.2 "
General and electrical
specifications").