Table of Contents
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TABLE OF CONTENTS
1
INTRODUCTION .......................................................................................................................... 7
.................................................................................................................... 7
2
SAFETY GUIDELINES ................................................................................................................... 8
3
Water quality (also see § 8.1).................................................................................................... 10
................................................................................................................... 12
4
TECHNICAL DATA EFW WATER HEATERS ................................................................................... 13
T
ABLE TECHNICAL SPECIFICATIONS
5
DIMENSIONS & CONNECTIONS ................................................................................................. 16
EFW 85 & EFW 105 ........................................................................................................ 16
EFW 125 ....................................................................................................................... 17
EFW 155 ....................................................................................................................... 18
100 / 150 MM Coaxial flue spigot ...................................................................... 19
5.4.1
5.4.2
2 X 100 MM Twin flue spigots ........................................................................... 19
2 X 150 MM Twin flue spigots ........................................................................... 20
5.5.1
5.6.1
Cascade frame dimensions ................................................................................ 22
6
ACCESSORIES AND UNPACKING ................................................................................................ 23
................................................................................................................... 23
..................................................................................................................... 23
7
INSTALLATION LOCATION OF THE EFW ...................................................................................... 24
8
CONNECTIONS ......................................................................................................................... 27
9
THE EFW SANITAIRY SYSTEM: INSTALLATION INSTRUCTIONS ..................................................... 31
-
-
-
9.3.1
Cascade calculations ........................................................................................ 34
10 HEAT EXCHANGER RESISTANCE GRAPHS ................................................................................... 37
R
ESISTANCE GRAPH
: ............................................................................................ 10
................................................................................................. 13
........................................................................................... 13
.................................................................................... 14
ERP .................................................................................... 15
............................................................................... 19
...................................................................................... 20
.............................................................................................................. 21
.................................................................................................. 24
............................................................................................. 25
............................................................................................................ 27
.............................................................................................. 27
.......................................................................................... 27
.......................................................................................................... 28
........................................................................................................ 28
............................................................................................................ 28
............................................................................................................... 29
.................................................................................... 29
. ............................................................................................................ 29
.............................................................................................................. 30
-
......................................................................................................... 31
............................................................................................. 32
............................................................................................................... 33
EFW 85 ................................................................................................ 37
EFW 105 .............................................................................................. 37
EFW 125 .............................................................................................. 38
EFW 155 .............................................................................................. 38
........................................................................ 9
.................................................................... 10
........................................................................... 11
: ............................................................ 25
E93.1804.014
3
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