Contents
Hamworthy Stratton mk3 Heating Unveils Wall Hung Boiler
Product Information:
Product Name: Stratton mk3
Manufacturer: Hamworthy Heating Ltd
Model: Grundfos UPMXXL 25-120 Pump Control
Contact Information:
- Customer After Sales Services: Telephone – 01202 662555, Email
– [email protected], Fax – 01202 662522 - Technical Enquiries: Available from technical team in Poole and
accredited agents
Site Assembly: Hamworthy offers site assembly service for restricted plant room access, ensuring high quality build and manufacturer-tested boilers.
Commissioning: It is recommended to commission the equipment by Hamworthy engineers, accredited agents, or specialist sub-contractors for safe and efficient operation.
Service Contracts: Regular routine servicing by Hamworthy service engineers improves equipment performance and efficiency, reducing the risk of failure. Service contracts help in planning and budgeting.
Breakdown Service, Repair, Replacement:
Hamworthy provides rapid response breakdown, repair, or replacement service through their head office in Poole and accredited agents across the UK.
Spare Parts: Hamworthy offers a comprehensive range of spare parts for both current and discontinued products. Delivery options are available. More details can be found on their website hamworthy-heating.com.
Product Usage Instructions:
Section 1 – General
Introduction:
This kit is suitable for the following boilers: Stratton mk3 range of boilers utilizing the Grundfos UPMXXL 25-120 pump. This manual explains how to wire the pump leads to the installer wiring connections and determine the pump settings within the boiler
control. The Pump is powered by a 230 V auxiliary supply within the boiler and controlled by a PWM signal.
Contents:
This kit includes the following items:
- Grundfos UPMXXL 25-120 pump
- Fibre Washer Kit
- Instructions
Section 2 – Installation
Preparation:
Install the Pump Control kit as follows:
WARNING: Be careful when you install electrical connections. Electric shock can cause serious injury or death and can cause damage to equipment.
- Make sure that the electrical power supply to the boiler is set to OFF. For safe electrical isolation, refer to Gas Safe technical bulletin 118. All work must be carried out by a competent person.
Grundfos UPMXXL 25-120 Pump Control Instructions
IMPORTANT NOTE
THESE INSTRUCTIONS MUST BE READ AND UNDERSTOOD BEFORE INSTALLING, COMMISSIONING, OPERATING OR SERVICING EQUIPMENT
Customer After Sales Services
Telephone: 01202 662555
Email: [email protected]
Fax: 01202 662522
Technical Enquiries
To supplement the detailed technical brochures, technical advice on the application and use in the Hamworthy Heating range is available from our technical team in Poole and our accredited agents.
Site Assembly
Hamworthy offer a service if site assembly for many of our products where plant room access is restricted. Using our trained staff we offer a high quality of build and assurance of a boiler built and tested by the manufacturer.
Commissioning
Commissioning of equipment by our own engineers, accredited agents or specialist sub-contractors will ensure the equipment is operating safely and efficiently.
Service Contracts
Regular routine servicing of equipment by Hamworthy service engineers inspects the safety and integrity of the plant, reducing the risk of failure and improving performance and efficiency. Service contracts enable you to plan and budget more efficiently.
Breakdown service, repair, replacement
Hamworthy provide a rapid response breakdown, repair or replacement service through head office at Poole and accredited agents throughout the UK.
Spare Parts
We offer a comprehensive range if spare parts, providing replacement parts for both current and discontinued products. Delivery options are available to suit you. Please refer to our website hamworthy-heating.com for more details.
General
INTRODUCTION
This kit is suitable for the following boilers:
- Stratton mk3 range of boilers utilising the Grundfos UPMXXL 25-120 pump.
- This manual explains how to wire the pump leads to the installer wiring connections and determine the pump settings within the boiler control.
- The Pump is powered by a 230 V auxillary supply within the boiler, and controlled by a PWM signal.
Table 1 – Stratton mk 3 for Hamworthy
| Stratton mk3 | Boiler Size |
| Stratton mk3 | 40 |
| Stratton mk3 | 60 |
| Stratton mk3 | 70 |
| Stratton mk3 | 80 |
| Stratton mk3 | 100 |
| Stratton mk3 | 120 |
CONTENTS
This kit includes the following items:
- Grundfos UPMXXL 25-120 pump
- Fibre Washer Kit
- Instructions
PREPARATION
Install the Pump Control kit as follows:
WARNING: Be careful when you install electrical connections. Electric shock can cause serious injury or death and can cause damage to equipment.
- Make sure that the electrical power supply to the boiler is set to OFF. For safe electrical isolation refer to Gas Safe technical bulletin 118. All work must be carried out by a competent person.
- For access to the control box (refer to manual Stratton mk 3 INSTALLATION, COMMISSIONING AND SERVICING INSTRUCTIONS Frame 4.6.1).
Table 2 – Stratton mk 3 no separation
| Boiler model | Flow rate Q (m³/hr) ∆t 20° C | Head (m) | Pump used |
| S3-40 | 1.72 | 4.58 |
Grundfos UPMXXL 25-120 |
| S3-60 | 2.59 | 6.01 | |
| S3-70 | 3.02 | 5.81 | |
| S3-80 | 3.45 | 4.89 | |
| S3-100 | 4.28 | 7.29 | |
| S3-120 | 5.14 | 7.75 |
INSTALLATION
Install the pump electrical connections as follows (refer to Figure 1).
- Mains power connections 13 earth, 14 live and 15 neutral.
- PWM connections 37 ground (Blue) and 38 PWM (Brown) signal, the remaining Black wire should be taped back or removed.
PUMP CONFIGURATION
The following parameters configure the PWM output to control a boiler pump.
Table 3 – Stratton mk 3 PWM output
| Line No. | Parameter | Settings |
| 6085 | Function output P1 | Boiler pump Q1 |
| 6086 | Signal logic output P1 | Inverted |
PUMP PERFORMANCE
For pump performance refer to Figure 2 below.
PUMP PARAMETER SETTINGS
The following parameters configure how the pump speed is to be controlled.
Table 4 – Stratton mk 3 pump speed control
| Line No. | Parameter | Settings |
| 2320 | Pump modulation | Temp differential nominal |
| 2321 | Starting speed | 100% |
| 2322 | Pump speed min | 40% |
| 2323 | Pump speed max | 100% |
The following parameters determine the limitation
Table 5 – Stratton mk 3 limitation
| Line No. | Parameter | Settings |
| 2316 | Temp differential max | 20° C |
| 2317 | Temp differential nominal | 10° C |
Hamworthy Heating Accredited Agents
Southern Ireland (Sales & Service) HEVAC Limited
Naas Road, Dublin 12, Ireland
tel: 00 353 141 91919 fax: 00 353 145 84806 email: [email protected]
Scotland (Sales & Service)
McDowall Modular Services
2 Penson Road, Queenslie Industrial Estate, Glasgow, G33 4AG tel: 0141 336 8795 fax: 0141 336 8954
email: [email protected]
Hamworthy Heating Customer Service Centre
Sales
tel: 01202 662552
email: [email protected]
Technical Enquiries
tel: 01202 662505
email: [email protected]
Servicing
tel: 01202 662555
email: [email protected]
Spares
tel: 01202 662525
email: [email protected]
British engineering excellence from Hamworthy Heating; the commercial heating and hot water specialists.
Customer Service Centre
Hamworthy Heating Limited, Wessex House, New Fields Business Park, Stinsford Road, Poole, Dorset, BH17 0NF
Telephone: 01202 662500
Fax: 01202 662522
Email: [email protected]
Website: www.hamworthy-heating.com
Hamworthy reserves the right to make changes and improvements which may necessitate alteration to the specification without prior notice.