GAH electrastream User And Installation Manual page 41

CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS
pipe 9m long, i.e. for discharge pipes between 9m and 18m the
Impor Impor tant Information tant Information ----------------------------------------- -----------------------------------------
Important Information Impor Impor tant Information tant Information ----------------------------------------- ----------------------------------------- ----------------------------------------- 4
equivalent resistance length should be at least two sizes larger
Section 1 Intr Section 1 Intr Section 1 Intr Section 1 Introduction Section 1 Intr oduction oduction oduction oduction
than the nominal outlet size of the safety device; between 18
1-1 Introduction ---------------------------------------------- 5
and 27m at least 3 sizes larger, and so on; bends must be taken
into account in calculating the flow resistance. See Diagram 1,
1-2 System Layout ------------------------------------------- 8
Table 1 and the worked example.
1-3 Parts Supplied ------------------------------------------- 11
1-4 The Electrastream System ------------------------------- 12
1-5 Tri Core Heater Operation -------------------------------- 13
Diagram 1 T T T T T ypical dischar ypical discharge pipe arrangement ypical dischar ypical dischar ypical dischar ge pipe arrangement ge pipe arrangement ge pipe arrangement ge pipe arrangement
Section 2 Operator Contr Section 2 Operator Contr Section 2 Operator Contr Section 2 Operator Controls Section 2 Operator Contr
See para 3.33 to 3.39 and 3.50
2-1 System Control ------------------------------------------ 14
2-2 Electrastream Control Unit ------------------------------- 16
Safety device
2-3 Shut Off Valves ------------------------------------------ 20
(e.g. temperature
relief valve)
2-4 Temperature & Pressure Relief Discharge ---------------- 22
2-5 Thermostatic Mixing Valve ------------------------------ 22
2-6 Servicing ------------------------------------------------ 22
Section 3 T Section 3 T Section 3 T Section 3 Technical Information Section 3 T echnical Information echnical Information echnical Information echnical Information
3-1 Specifications ------------------------------------------- 23
3-2 Dimensions --------------------------------------------- 25
3-3 Wiring --------------------------------------------------- 29
Discharge pipe (D2) from tundish, with
continuous fall. See 3.55, Table 3 and worked
Section 4 Installation Section 4 Installation Section 4 Installation Section 4 Installation Section 4 Installation
example
4-1 Building Control ----------------------------------------- 31
4-2 Electrical ------------------------------------------------ 31
4-3 Hot Water System --------------------------------------- 33
4-4 Heating System ----------------------------------------- 37
4-5 Expansion Discharge ------------------------------------ 40
4-6 System Pressure ---------------------------------------- 43
4-7 Electrastream Connections - ---------------------------- 44
Section 5 Commissioning Section 5 Commissioning Section 5 Commissioning Section 5 Commissioning Section 5 Commissioning
5-1 Commissioning ----------------------------------------- 47
Sizing of copper dischar Sizing of copper dischar
Table 1 Sizing of copper dischar Sizing of copper dischar Sizing of copper discharge pipe ‘'D2’' for common temperatur
Section 6 Servicing Section 6 Servicing Section 6 Servicing Section 6 Servicing Section 6 Servicing
M n i m i u m
a V e v l u o e l t s t e z i
o t u T
6-1 Routine Service ----------------------------------------- 50
G ½
Section 7 Fault Finding Section 7 Fault Finding Section 7 Fault Finding Section 7 Fault Finding Section 7 Fault Finding
7-1 Fault Finding -------------------------------------------- 52
G ¾
Health & Safety Health & Safety Health & Safety Health & Safety Health & Safety ------------------------------ ------------------------------ ------------------------------ ------------------------------ ------------------------------ Inside Front Cover
G 1
*See 3.49 and 3.56 and Diagram 1
Note: The above table is based on copper tube. Plastic pipes may be of different bore and resistance.
Sizes and maximum lengths of plastic should be calculated using data prepared for the type of pipe being used.
BEFORE STARTING THE INSTALLATION OF THE ELECTRASTREAM CHECK ALL COMPONENTS HAVE
BEEN DELIVERED AND ARE IN SATISFACTORY CONDITION - Refer to 1-3 .
ols ols ols ols
Metal discharge pipe (D1) from
temperature relief valve to tundish
300mm
minimum
ge pipe ‘'D2’' for common temperatur ge pipe ‘'D2’' for common temperature r e r e r e r e relief valve outlet sizes ge pipe ‘'D2’' for common temperatur
ge pipe ‘'D2’' for common temperatur
s e z i o d f s i h c r a e g M n i m i u m s e z i o d f s i h c r a e g
d n s i ( h D * ) D1 D1 D1 D1 1 o r f m u T d n s i ( h D2 D2 D2 D * ) D2 2
2 2 m m
5 1 m m 8 2 m m
5 3 m m
8 2 m m
2 2 m m 5 3 m m
2 4 m m
5 3 m m
8 2 m m 2 4 m m
4 5 m m
IMPORTANT
INST INST INSTALLA
INST INST
Note: An alternative approach for sizing discharge pipes would Note: Note: Note: Note:
be to follow Annex D, section D.2 of BS 6700:2006
Specification for design, installation, testing and maintenance of
services supplying water for domestic use within buildings and
their curtilages.
2 OPERA 2 OPERA 2 OPERA 2 OPERA 2 OPERATOR CONTROLS
3 TECHNICAL INFORMA 3 TECHNICAL INFORMA
3 TECHNICAL INFORMA 3 TECHNICAL INFORMATION 3 TECHNICAL INFORMA
Tundish
elief valve outlet sizes elief valve outlet sizes
elief valve outlet sizes elief valve outlet sizes
M x a m i u m r s e t s i n a e c l l a w o d e
i p e p R
e p x e r s s d e s a a e l g n h t o s f a r t g i t h
i p e p i , . e . o n l e o b s w o b r n e s d
p u o t 9 m
p u o t 8 1 m
p u o t 7 2 m
p u o t 9 m
p u o t 8 1 m
p u o t 7 2 m
p u o t 9 m
p u o t 8 1 m
p u o t 7 2 m
ALLA ALLATION ALLA TION TION TION CONTENTS CONTENTS CONTENTS 4 4 4
ALLA TION CONTENTS CONTENTS 4 4
1 INTRODUCTION 1 INTRODUCTION
1 INTRODUCTION 1 INTRODUCTION 1 INTRODUCTION
TOR CONTROLS TOR CONTROLS TOR CONTROLS TOR CONTROLS
TION TION
TION TION
4 INST 4 INST ALLA ALLA TION TION
4 INSTALLA 4 INST 4 INST ALLA ALLATION TION TION
Discharge below
fixed grating
(3.60 gives
5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING
alternative points
of discharge)
Fixed grating
6 SERVICING 6 SERVICING 6 SERVICING
6 SERVICING 6 SERVICING
Trapped gulley
7 F 7 F 7 FAUL 7 F 7 F AUL AUL AULT FINDING AUL T FINDING T FINDING T FINDING T FINDING
s e t s i n a e c r c t a e d e y b a e h c
e b l w o r o e b d n
0 8 . m
1 0 . m
1 4 . m
1 0 . m
1 4 . m
1 7 . m
HEAL HEAL TH & SAFETY TH & SAFETY
HEALTH & SAFETY HEAL HEAL TH & SAFETY TH & SAFETY
1 4 . m
1 7 . m
2 3 . m
41 3
4 4 4 4 4