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GWTECV710
Glow-worm
Nottingham Road
Belper
Derbyshire
DE56 1JT
www.glow-worm.co.uk
Head Oce:
01773 824 639
Literature:
01773 596 105
Aer Sales Service:
01773 596 510
Technical Advice:
01773 828 300
(Boiler)
08447 361 143
(Renewables)
Training:
01773 596 156
Visit www.glow-worm.co.uk to view and download technical data
Clearly Heat Pumps
Technical Guide
www.glow-worm.co.uk
Visit www.glow-worm.co.uk to view and download technical data
Introduction
At Glow-worm we specialise in the most practical and straightforward
renewable energy solutions all supported from beginning to end by
Glow-worm’s experienced pre and aer-sales services, assisting you
to make the right choices in this changing world of heating and hot
water technologies.
The Glow-worm Clearly Heat Pumps Technical Guide is designed to
assist with the selection and installation of our latest range of air to
water heat pumps - providing all the technical information you will
ever need, in one easy to use booklet.
With over 75 years of experience in providing UK homes with value
for money heating and hot water solutions, Glow-worm has built a
reputation on providing straightforward and reliable systems you can
depend on.
Glow-worm not only provides straightforward renewable systems
with easy ordering and totally flexible delivery, we also provide you
with expert help and friendly support through design, technical help,
extensive training courses, specialist onsite support and a nationwide
aer sales and spares network.
If you require technical advice, simply call our dedicated
renewable technical help line 0844 736 1143 for a fast and
straightforward answer.
We hope this brochure gives you all the information you need to help
you take the next stage in selecting your new Glow-worm air to water
heat pump. Should you wish to discuss any area in more detail or if
you need any further information, please contact us to see how we
can help.
2
Visit www.glow-worm.co.uk to view and download technical data
Contact us
By phone
07773 824 639
By email
info@glow-worm.co.uk
By web
www.glow-wormheating.co.uk
3
Contents
Introduction 2
Clearly Heat Pumps 7, 12, 14kW
Features & Benets 4 - 5
Clearly Heat Pumps 5kW
Features & Benets 6 - 7
System components 8 - 9
Technical information 10 - 11
System sizing 12 - 13
Siting 13 - 17
Envirosorb 5 schematics and wiring
(Clearly Heat Pumps 5kW) 18 - 19
Envirosorb schematics and wiring
(Clearly Heat Pumps 7, 12, 14kW) 20 - 21
Envirosorb including DHW
(Clearly Heat Pumps 7, 12, 14kW) 22 - 23
Zoning 24
Easy ordering 24 - 25
Technical specications 26 - 27
Clearly Hybrid 28 - 29
Support & advice 30 - 31
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At Glow-worm, we specialise in creating the most practical and
straightforward air to water heat pump solutions for homes across
the UK. Glow-worm’s new straightforward air to water heat pump
system has been designed for hassle free installation and complete
heating comfort.
The new 7, 12 and 14kW models combine high performance
inverter compressor technology with straightforward and hassle
free installation to form the basis of a brand new Clearly Heat
Pumps range.
Utilising next generation technology, Glow-worm’s new Clearly
Heat Pumps range oers a high performance Central Heating and
Domestic Hot Water solution for a wide range of domestic properties
delivering excellent green credentials with possible carbon savings
of up to 40%* and an impressive Coecient of Performance (CoP) of
up to 4.06 at A7/W35**
Key benets
• Straightforward range of air to water heat pump systems for
high-performance central heating and domestic hot water
• 7,12 and 14kW output models available
• Range features innovative inverter compressor technology
• MCS-accredited range
• Hydraulic module eliminates the need for glycol in the central
heating circuit
• No additional buer vessels required - creating one compact
space-saving system
• Can deliver signicant carbon savings and help to achieve level 4
of Code for Sustainable Homes
• Quick and easy installation with no F gas qualications required
• Ultra-quiet operation
• One complete system: heat pump, hydraulic module and controls
in a package that’s simple to order
• Can be used in conjunction with the intuitive Climapro RF
handheld programmable room thermostat
* When replacing an older standard eciency boiler
**Tested to EN 14511
NEW Clearly Heat Pumps – 7, 12, 14kW
Features & Benets
4
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5
Envirosorb
For use with
Clearly Heat Pumps
12, 14kW
Envirosorb
For use with
Clearly Heat Pumps
7kW
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Clearly Heat Pumps 5kW combines high performance renewable
technology with straightforward installation, to provide a highly
ecient central heating and domestic hot water solution for smaller,
well insulated properties.
Installation and servicing is hassle free with no F gas qualications
needed to install and no need for glycol in the central heating circuit,
thanks to advances in its Hydraulic Module system technology.
All components are easily accessible within the compact unit and
no separate expansion vessels or additional buer vessels are
required, making this one of the most installation friendly heat
pumps available on the UK market.
This highly ecient heat pump system provides excellent green
credentials and can contribute signicantly towards meeting a
range of environmental legislative targets. Clearly Heat Pumps
5kW can deliver carbon savings of over 40%* and can be used to
help achieve level 4 of the Code for Sustainable Homes. Clearly
Heat Pumps 5kW also has full MCS Accreditation meaning that it is
eligible for possible future RHI funding.
*when replacing an older, standard eciency boiler
6
Key benets
• Highly ecient heating and hot water solution for smaller
properties
• One complete system: includes system control unit, wireless
outdoor sensor & Climapro RF wireless programmable control
• Compact in size
• Ultra quiet operation
• Quick and straightforward to install & service, with no F Gas
qualications required
• No Glycol needed in the central heating circuit
• Compact, wall-hung hydraulic module including small buer
vessel, expansion vessel, circulating pump, lling valves,
PRV and back up heater
• MCS accredited
• Can help to achieve Code for Sustainable Homes level 4
• Comprehensive back up from nationwide aer sales service
• Can be used in conjunction with the intuitive Climapro RF
handheld programmable room thermostat
NEW Clearly Heat Pumps - 5kW
Features & Benets
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7
Envirosorb 5
For use with
Clearly Heat Pumps
5kW
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8
Introducing Glow-worm's complete
range of straightforward air to water
heat pumps
System components
Envirosorb 5
(for Clearly Heat Pumps 5kW)
5kW model available
The slimline air to water heat pump is
extremely quiet and very compact. With
a COP of 3.73 it produces almost 5kW
of heat energy which can be used for
central heating and domestic hot water.
The heat pump is also incredibly
straightforward to install with no F Gas
qualications required and no glycol
needed in the central heating circuit.
Dimensions
935mm x 880mm x 345mm
Key features
• Slimline and compact monobloc outdoor unit
• High COP eciency of 3.73*
• Uses non ozone depleting R410a refrigerant
• No F-gas qualication needed to install
• Extremely quiet – modulating DC fan speed of 180-660 rpm
• All components easily accessible for servicing/replacement
*Measured at air temperature 7°C and water at 35°C
Key features
• 7, 12 and 14kW models feature
inverter technology
• No F gas qualications needed
for installation
• Prelled with R410A non ozone
depleting refrigerant
• All components easily accessible
for installation/servicing
• Excellent Coecient of
Performance of up to 4.06. *
• High flow temperature up to 60°C
*Measured at air temperature 7°C and water at 35°C
Envirosorb
(for Clearly Heat Pumps 7, 12 & 14kW)
7, 12, & 14kW models available
The air to water heat pump oers a slimline and attractive outdoor
unit solution. The impressive Envirosorb also benets from
advanced inverter compressor technology.
Dimensions
7kW Model: 821mm x 908mm x 326mm
12 & 14kW Models: 1363mm x 908mm x 326mm
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9
Systempro
The Systempro acts as a central
installer interface, where
maintenance menus, fault history,
system parameters, etc. can all be
programmed and accessed.
Dimensions
290mm x 264mm x 45mm
Key features
• Intelligent wiring centre for
the system
• Central installer interface
• No need for end user
interaction
• Can be used to control a
multi-zone system
Climapro RF
Glow-worm’s most intuitive and
user friendly control;
Climapro RF is the main point of
interaction with the system for the
homeowner. The handheld control
enables homeowners to simply
and quickly programme their
specic heating and hot water
requirements in detail, from the
comfort of their armchair.
Key features
• Wireless, programmable room
thermostat for complete time
and temperature control
• Large backlit display
• Handheld unit, can be wall
mounted or taken around the
home
• Provides room and weather
compensation when combined
with wireless outdoor sensor
Wireless outdoor sensor
The Glow-worm wireless outdoor
sensor intelligently communicates
the outside temperature to the rest
of the system to provide weather
compensated flow temperatures
for maximum eciency. The
sensor is small and discreet, and
no external wiring is required
between the unit and the rest of
the system.
Key features
• Works on indirect sunlight,
which charges the inbuilt
PV cells
• No maintenance required
• Simple and quick to install
Hydraulic Module SA
The Hydraulic Module contains the
circulating pump, which transfers
the heat generated by the heat
pump into the heating system.
It also separates the heat pump
circuit from the central heating
circuit meaning that you don’t
need to ll the whole system with
glycol anti-freeze. The Hydraulic
Module in itself is compact and
easy to install, as no separate
expansion vessel or additional
buer vessels are required.
Dimensions
890mm x 418mm x 370mm
Key features
• Single indoor unit
• 6 kW variable immersion
heater to ensure maximum end
user comfort
• Incorporates two three way
valves for easy lling of the
glycol circuit
Glow-worm cylinder
Clearly Heat Pumps is
compatible with Glow-worm's
range of stainless steel hot
water twin coil cylinders.
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