
HAMWORTHY HEATING LTD
2
Merley Boiler Sequence Controller
500001210/D
CONTENTS
PAGE
1.0 General Overview
……………………………………………………………………………..3
1.1 Description
1.2 Abbreviations
1.3 Product Range
1.4 System Configurations
2.0 Mounting and Installation
…...……………………………………………………………………..…….……
7
2.1 Electrical Installation
2.2 General Requirements
2.3 Mounting Location
2.4 Electrical Connections
2.5 Pre
-
Assembled Wall Mounted Panel
2.6 Operator Unit
2.7 Room Unit
2.8 Outside Sensor
2.9 Programmable Room Unit
2.10 Wireless Components
2.11 Programmable Room Unit (wireless)
2.12 Outside Sensor (wireless)
2.13 Radio Repeater
3.0 Commissioning
…....……………………………………………………………………………………….
.......22
4.0 Operation
………………………………...……………………………………….…………...23
4.1 Function
4.2 Display
5.0 Programming ........................................
………………………………………………………..………
30
5.1 User Levels
5.2 Overview of Settings
5.3 QAA55
6.0 Settings in Detail ..................................................
…………………………………………..……
46
6.1 Time of Day & Date
6.2 Operator Unit
6.3 List of Wireless Devices
6.4 Time Programs
6.5 Holidays
6.6 Heating Circuits
6.7 DHW
6.8 Primary Controller / System Pump
6.9 Cascade
6.10 DHW Storage Tank
6.11 Configuration
6.12 LPB
6.13 Faults
6.14 Maintenance / Special Modes
6.15 Input / Output Tests
6.16 State
6.17 Diagnostics heat generation
6.18 Diagnostics consumer
6.19 List of Displays
7.0 Plant Diagrams ...........................................................................................................84
7.1 Basic Diagrams
7.2 Extra Functions
-
DHW
-
Low Loss Header