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Installation, Operation & Maintenance
Instructions
Please leave this instruction booklet with the owner as it contains
important guarantee, maintenance and safety information
Read this manual carefully before commencing installation.
This manual covers the following products:
Standard 1.5 bar Twin ended shower pump - ST PUMP15TN
Standard 2.0 bar Twin ended shower pump - ST PUMP20TN
Standard 2.0 bar Single ended shower pump - ST PUMP20SG
FOR POSITIVE HEAD APPLICATIONS ONLY
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Table of Contents
Related Manuals for Bristan ST PUMP20TN
Summarization of Contents
PRODUCT DESCRIPTION
APPLICATION
Details the intended use of Bristan pumps for single shower or outlet applications.
STORAGE
Instructions for storing the product if not installed immediately on receipt.
IMPORTANT FACTS: READ BEFORE COMMENCING PUMP INSTALLATION
Water Storage Capacity
Ensures water storage capacity is sufficient to meet required flow rates for equipment.
Water Temperature Limits
Specifies maximum allowable water temperature is 65°C and minimum is 4°C.
Minimum Flow Requirement
States a minimum gravity flow of 0.8 l/min is required for correct pump operation.
Pipework General Guidelines
Covers pipework support, flux removal, design to minimize air locks, and material compatibility.
Plumbing Installation Regulations
Installation must comply with current water, building, and national electrical regulations.
LOCATION - GENERAL
Access and Protection
Ensure pump is accessible, in a dry, frost-free, and protected location.
Ventilation and Safety
Maintain airflow for cooling and ensure hot casing is not touched during operation.
Water Retention and Pressure Limits
Site pump where leaks are contained and check static inlet/outlet pressure limits.
Ambient Temperature and Pipework
Maximum ambient temperature 40°C; recommends 22mm pipework for optimum performance.
Noise, Flow Direction, Hoses, and Valves
Covers noise reduction, flow direction, use of supplied hoses, and fitting isolating valves.
Preferred Pump Location
Site pump close to and below the HOT WATER cylinder, within 4 metres.
Non-Preferred Pump Location
If pump is above secondary tapping, use specific flanges or loop to prevent air ingress.
Location for Twin Pump
Specific location requirements for twin pump installations.
Location for Single Pump
Specific location requirements for single pump installations.
PUMP CONNECTIONS
Hose to Pump Connection
Connect flexible hoses to pump's moulded fittings using the G 3/4 female running nuts.
Hose to Pipework Connection
Detailed steps for connecting hoses to pipework using push-in connectors, including pipe preparation.
ELECTRICAL INSTALLATION AND EARTHING
Regulations, Safety, and Earthing
Covers electrical regulations, RCD safety, earthing requirements, and pipe bonding.
Connections and Wiring
Details permanent connections, switched fused spur use, and wire colour coding.
Fuse Specification and Cord Safety
Specifies fuse size and safety guidelines for internal wiring and supply cords.
COMMISSIONING THE PUMP
Flushing, Water Supply, and Priming
Steps for system flushing, ensuring water supply, and priming the pump correctly.
Starting and Leak Checks
Procedures for starting the pump, purging air, and performing leak checks.
MAINTENANCE GUIDELINES
Scale Prevention and Cleaning Precautions
Advises on running pump to prevent scale and avoiding aggressive cleaning agents.
TECHNICAL SPECIFICATIONS
Pump Performance, Features, and Specifications
Provides detailed technical data on pump performance, materials, and electrical aspects.
Noise Level
The equivalent continuous A-weighted sound pressure level does not exceed 70 dB(A) at 1 metre.
TROUBLESHOOTING GUIDE
Common Problems and Solutions
Guide to diagnose and fix issues like pump not starting, reduced flow, or leaks.
Environment Protection and Recycling
Information on recovering and recycling valuable materials at the end of the product's life.
PRODUCT GUARANTEE
Guarantee Terms and Conditions
Conditions for warranty coverage, domestic use, proof of purchase, and installation access.
Guarantee Exclusions and Support
Lists items not covered by guarantee and provides contact info for support.
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