GAH electrastream User And Installation Manual page 43

CONTENTS CONTENTS CONTENTS CONTENTS CONTENTS
4-6 System Pressure
Impor Impor tant Information tant Information ----------------------------------------- -----------------------------------------
Impor Impor Important Information tant Information tant Information ----------------------------------------- ----------------------------------------- 4 -----------------------------------------
Section 1 Introduction Section 1 Intr Section 1 Intr Section 1 Intr Section 1 Intr oduction oduction oduction oduction
1-1 Introduction ---------------------------------------------- 5
1-2 System Layout ------------------------------------------- 8
1-3 Parts Supplied ------------------------------------------- 11
1-4 The Electrastream System ------------------------------- 12
1-5 Tri Core Heater Operation -------------------------------- 13
MAINS PRESSURE
MAINS PRESSURE
REDUCING VALVE
Section 2 Operator Contr Section 2 Operator Contr Section 2 Operator Contr Section 2 Operator Contr Section 2 Operator Controls
2-1 System Control ------------------------------------------ 14
INCOMING
2-2 Electrastream Control Unit ------------------------------- 16
COMBINATION VALVE
MAINS WATER
c/w PRESSURE REDUCING
2-3 Shut Off Valves ------------------------------------------ 20
VALVE set at 3.5 Bar
2-4 Temperature & Pressure Relief Discharge ---------------- 22 INTEGRAL - NON
RETURN VALVE
2-5 Thermostatic Mixing Valve ------------------------------ 22
2-6 Servicing ------------------------------------------------ 22
Section 3 T Section 3 T Section 3 Technical Information Section 3 T Section 3 T echnical Information echnical Information echnical Information echnical Information
3-1 Specifications ------------------------------------------- 23
3-2 Dimensions --------------------------------------------- 25
3-3 Wiring --------------------------------------------------- 29
HOT WATER SYSTEM
PRESSURE
Section 4 Installation Section 4 Installation Section 4 Installation Section 4 Installation Section 4 Installation
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
Section 6 Servicing Section 6 Servicing Section 6 Servicing Section 6 Servicing Section 6 Servicing
6-1 Routine Service ----------------------------------------- 50
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
Health & Safety Health & Safety Health & Safety ------------------------------ Health & Safety Health & Safety ------------------------------ ------------------------------ ------------------------------ ------------------------------ Inside Front Cover
BEFORE STARTING THE INSTALLATION OF THE ELECTRASTREAM CHECK ALL COMPONENTS HAVE
BEEN DELIVERED AND ARE IN SATISFACTORY CONDITION - Refer to 1-3 .
COLD SUPPLY TO TAPS
TPRV - 6 Bar
ols ols ols ols
PRV - 6 Bar
Fig. 4-6a Pressure Diagram
Notes on Pressures:-
1. The Mains Pressure Reducing Valve is not normally required on standard systems
with normal mains pressure, however, if the mains pressure is more or fluctuates
above 4 Bar a Mains Pressure Reducing Valve should be considered.
2. The Combination Valve has an integral pressure reducing valve fixed at 3.5 Bar
therefore the hot water System Pressure will be 3.5 Bar maximum.
3. If the Mains Pressure is less than 3.5 Bar then the hot water System Pressure will be
at maximum Mains Pressure.
4. The Combination Valve has a Pressure Relief Valve (PRV) set at 6 Bar.
5. The unvented cylinder has a Temperature and Pressure Relief Valve (TPRV) set at 7
Bar.
6. The heating system has a TPRV set at 3 Bar.
ELECTRASTREAM PLUS ONLY
7. The Accumulator Pressure is factory set at 2 Bar.
8. The recommended Accumulator Pressure is 1.5 Bar below the mains pressure with
an absolute minimum of 0.8 Bar - see 5-1, Stage 9. Consult GAH (HEATING
IMPORTANT
PRODUCTS) for further information.
INST INST INSTALLA
INST INST
THERMOSTATIC SHOWER
THERMOSTATIC MIXING VALVE
2 OPERA 2 OPERA 2 OPERATOR CONTROLS 2 OPERA 2 OPERA
SYSTEM PRESSURE
HEATING PRESSURE GAUGE
3 TECHNICAL INFORMA 3 TECHNICAL INFORMA
3 TECHNICAL INFORMA 3 TECHNICAL INFORMA 3 TECHNICAL INFORMATION
HEATING TPRV
set at 3 Bar
MOTORIZED
VALVE
5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING 5 COMMISSIONING
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
HOT SUPPLY TO TAPS
TION TION
TION TION
4 INST 4 INST ALLA ALLA TION TION
4 INSTALLA 4 INST 4 INST ALLA ALLATION TION TION
BYPASS VALVE
HEATING SYSTEM PRESSURE
6 SERVICING 6 SERVICING 6 SERVICING
6 SERVICING 6 SERVICING
7 F 7 F 7 F 7 F 7 FAUL AUL AUL AUL AULT FINDING T FINDING T FINDING T FINDING T FINDING
HEAL HEAL TH & SAFETY TH & SAFETY
HEALTH & SAFETY HEAL HEAL TH & SAFETY TH & SAFETY
43 3
4 4 4 4 4