MHS Boilers STRATA 3 220, Instructions For Installation, Servicing & Operation

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2
STRATA3
Index
page section
3 . . . . . . . . . 1.0 General
1.1 General Notes
1.2 Certification Details
3-4 . . . . . . 2.0 Product Description
5 . . . . . . . . . 3.0 Technical Details
3.1 Technical Data
6 . . . . . . . . . 3.2 Critical Dimensions
3.3 System Guidance
3.4 Flue Options
7 . . . . . . . . . 3.5 Thermal Performance -
Heat Output Limits
4.0 Appliance Installation
Requirements
4.1 Statutory Requirements
4.2 Boiler Position
8 . . . . . . . . . 4.3 Flue Systems
4.4 Ventilation Requirements
9-10 . . . . 4.5 Hydraulic System
Design
10 . . . . . . . 4.6 Filling the System
11 . . . . . . . 4.7 Gas Supply
4.8 Electrical Supply
5.0 Installation Instructions
5.1 Unpacking the Boiler
12 . . . . . . . 5.1 Unpacking the Boiler
(cont’d)
5.2 Positioning the Boiler
5.3 Gas Connection
5.4 LPG Conversion
Instructions
5.5 Water Connections
13 . . . . . . . 5.6 Condensate Waste
Connections
5.7 Electrical Connections -
General
14 . . . . . . . 5.7 Electrical Connections -
General (cont’d)
5.7.1 Connecting the
Water Supply
5.7.2 Fuses
15 . . . . . . . 5.7.2 Fuses (cont’d)
5.7.3 Connecting a Boiler
(Transport) Pump
5.7.4 External Temperature
Sensor
5.7.5 Room Unit RE2132
5.7.6 External On/Off
Control
16 . . . . . . . 5.7.7 Cascade Controller
KKM2
17 . . . . . . . 5.7.7 Cascade Controller
KKM2 (cont’d)
5.7.8 Domestic Hot Water
Temperature
Sensor (TF)
page section
17 . . . . . . . 5.7.9 LPG Operation
5.7.10 Connecting the DHW
Primary Pump
18 . . . . . . . 5.7.11 Circuit Diagram
19 . . . . . . . 5.8 Add On Modules
5.8.1 Pump Module PRø1
20 . . . . . . . 5.8.1 Pump Module PRø1
(cont’d)
21-23 . . 5.8.2 Mixer Module MR03
23 . . . . . . . 5.8.3 Alarm Contacts
. . . . . . . . . . . for Common
. . . . . . . . . . . Fault Indication
24 . . . . . . . 6.0 Commissioning &
Testing
6.1 Filling the Boiler
25 . . . . . . . 6.2 Appliance Operation
25-26 . . 6.3 Initial Lighting/
Commissioning
27 . . . . . . . 6.4 Potentiometer
Adjustments
6.4.1 Limiting the Output for
Heating Operation
27-29 . . 6.4.2 Setting Weather
Compensation
30 . . . . . . . 6.4.3 Adjusting the Fixed Point
of the Mixer Circuit
6.4.4 Adjusting the Domestic
Hot Water Temp.
6.4.5 Hot Water Thermostat
6.5 Switching Off the
Appliance
31 . . . . . . . 6.6 Screen Display
6.6.1 Operation Message
(Non Flashing)
6.6.2 Operation Data Display
32 . . . . . . . 6.6.3 Engineers Button
6.6.4 STB Test Button
7.0 Boiler Operation
Adjustment
32-33 . . 7.1 Adapting the Control
to the Heating System
34 . . . . . . . 7.2 DIP Switch Settings
35 . . . . . . . 8.0 Maintenance
and Inspection
8.1 Maintenance Procedure
36 . . . . . . . 9.0 Fault Diagnosis
9.1 Fault List
37 . . . . . . . 9.2 Error Correction List
38 . . . . . . . 10.0 Guarantees
39-46 . . 11.0 Parts List