heat pumps
using nature’s energy
INDOOR AIR SOURCE HEAT PUMPS
LI MS / LI AS
EVEN COLD AIR IS FULL OF ENERGY
Drawing freely available heat from the ambient air, even
at chilly outside temperatures as low as –20°C Dimplex
LI MS and LI AS air source heat pumps are the cost
effective and energy efficient heating and hot water
solution of the future.
The heat pump is designed for installation indoors, with
air ducts or hoses providing inlet/outlet air from the
outside. For space saving, a built-under buffer tank is
also available.
LI MS / LI AS RANGE KEY
FEATURES:
Range of 2 models with nominal heating capacities of 11kW
(single phase) and 16kW (three phase).
Indoor installation in a basement, utility room or garage.
Air ducting kits provided as accessories.
Complementary built-under buffer tank for space saving.
Operational temperatures from +35°C down to –20°C.
Energy optimised, auto adaptive defrosting cycle.
Variable heating water flow temperatures up to 55°C.
Typical CoP (A2/W35): 3.2 – 3.4 (depending on model).
Supplied complete with wall mountable WPM 2004 Plus Heat
Pump Manager.
Scroll compressor, providing efficient, low noise running.
Economiser, providing high co-efficients of performance.
Electronic soft starter controls to reduce starting currents.
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TECHNICAL DATA
EQUIPMENT DATA for air source heat pumps for heating purposes
1
2
TYPE AND COMMERCIAL DESCRIPTIONS
MODEL
LI11MS
LI16AS
2.1 Enclosure type acc to EN 60 529 for compact unit or heating element IP 21
2.2 Installation site
IP 21
IP 21
Indoors
Indoors
3
PERFORMANCE DATA
3.1 Operating temperature limits:
Heating water supply / return
Air
3)
°C / °C
°C
Max. 55 / min. 18
-20 to +35
7.5
Max. 55 / min. 18
-20 to +35
7.5
3.2 Heating water temperature difference at A2 / W35
3.3 Heating capacity/coeff.of perform. at A-7 / W35
1)
kW/---
kW/---
kW/---
kW/---
kW/---
dB(A)
7.6 / 2.9
9.8 / 2.6
1)
at A2 / W35
at A2 / W50
at A7 / W35
9.1 / 3.4
12.2 / 3.2
11.5 / 2.4
15.4 / 3.7
16.1 / 3.8
57 / 62
1)
9.0 / 2.5
1)
10.9 / 4.1
12.0 / 4.6
55 / 61
1)
at A10 / W35
3.4 Sound power level of unit / outside
3
3.5 Heating water flow rate at internal pressure difference
3.6 Air flow rate at external static pressure difference
m /h/Pa
1.0 / 3000
4200 / 0
1.4 / 4500
5200 / 0
3
m /h/Pa
3
m /h/Pa
2500 / 25
R404A / 2.5
4000 / 25
R404A / 3.1
3.7 Refrigerant: total charge weight
Type / kg
4
DIMENSIONS, CONNECTIONS AND WEIGHT
4.1 Equipment dimensions
H x W x L mm
inches
1360 x 750 x 850
G 1” ext. thread
500 x 500
1570 x 750 x 850
G 1” ext. thread
570 x 570
4.2 Equipment connections for heating system
4.3 Air duct inlet and outlet (min. inside dimensions)
4.4 Weight of transport unit(s) incl. packaging
L x W mm
kg
200
235
5
ELECTRICAL CONNECTIONS
5.1 Nominal voltage; fusing
V/A
kW
A
230 / 25
2.65
400 / 20
3.81
1)
5.2 Nominal power consumption
A2 W35
5.3 Starting current with soft starter
5.4 Nominal current A2 W35/cos
38
25
A /---
14.4 / 0.8
6.9 / 0.8
4)
4)
6
7
COMPLIES WITH EUROPEAN SAFETY REGULATIONS
OTHER DESIGN CHARACTERISTICS
7.1 Defrosting
Type of defrosting
Automatic
Cycle reversal
Yes (heated)
Yes
Automatic
Cycle reversal
Yes (heated)
Yes
Defrost pan available
2)
7.2 Heating water inside unit protected against freezing
7.3 Performance settings
1
1
7.4 Controller internal / external
External
External
1)
This data characterises the size and performance capacity of the system. For economic and energy consumption reasons, additional factors such as
defrosting behaviour, bivalence point and control need to be taken into consideration. Abbreviations have the following meaning e.g. A2 / W55: heat source
temperature 2°C and heating water supply temperature 55°C.
2)
3)
4)
The heat circulating pump and the controller of the heat pump must be on standby at all times.
See operating limits diagram.
See CE Declaration of Comformity.
Subject to technical modifications
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DIMENSIONS AND CONNECTIONS
4x Internal screw thread M8x15
750
850
Heating water supply.
Heat pump outlet
1" external thread
Direction of air flow
Heating water return.
Heat pump inlet
1" external thread
Condensate
drain inside
30mm
Electrical
lines
TYPICAL SYSTEM CONFIGURATION AND ACCESSORIES
LKL
LKB
LKK
600/700
The diagram below shows a typical LI MS / LI AS heat
Heat Pump
LI 11 MS or
LI 16 AS
Qty
1
pump configuration for heating and domestic hot water
including typical accessories required for a single
heating circuit.
Heat Pump
Control
Indoor air source heat pump (single phase)
Indoor air source heat pump (three phase)
1
Heating and Hot Water Accessories
(Note this is for illustrative purposes only and is not intended as a full
PSP 890
KPV25
140L built-under buffer tank
1
1
1
1
hydraulic schematic)
KPV25
WWM25
Compact manifold
WWM25
VTB25
Heating circuit/hot water module
Manifold bar
Controller Accessories
EVL 995/6/7/8 – 1 Heat pump/controller connecting cable
Ducting Accessories
1
VTB25
LKL 600/700
Long, short or 90° elbow ducts
(dependent on requirement)
LKB 600/700
1 or 2
Buffer
Tank
LKK 600/700
DMK 600/700
RSG 600/700
Sealing collar
Rain guard
1 pair
2
DHW
Cylinder
Heating
Circuit
LI 11MS / LI 16AS
Heat Pump
TRUST OUR EXPERIENCE
SPECIFICATIONS
As the world's largest manufacturer of electrical heating technology, Dimplex
has been at the forefront of product development and innovation for nearly 60
years. We are well respected within the construction industry for producing
products of the highest specification and quality and for our pre and post sales
support. At our manufacturing plant in Kulmbach, Germany, we have been
developing and producing innovative heat pumps for over 30 years.
Dimplex policy is one of continuous improvement; the Company therefore
reserves the right to alter specifications without notice. Although every care
has been taken in the reproduction of product finishes in this brochure,
photographs should be taken only as a guide. The information is correct at the
time of printing.
CE MARK
EVERYTHING'S A MATTER OF PROPER PLANNING
Heat pumps are one of the most efficient and economical
Products carrying the CE mark comply with European safety standards and
the European Standard for electro-magnetic compatibility.
heating systems provided the individual components of the
heat pump system, including the heat source, heat pump
and connected heating system are properly matched.
APPRO ED
FURTHER INFORMATION
Heat Pump
Installer Partner
For more information on Dimplex heat pumps please speak to your local
Dimplex Installer Partner or contact us directly:
Dimplex can provide advice and guidance on the correct
heat pump for your application and our network of experienced, fully trained
installers will provide complete system planning assistance, installation and
comprehensive after-sales service.
Tel:
0870 077 7117
Fax:
0870 727 0114
ADDITIONAL LITERATURE
CERTIFIED QUALITY
In addition to this publication we have separate, more detailed brochures on
the following products: • domestic heating • water heating • fires and
surrounds • portable heating • commercial heating
Maximum operational reliability of all Dimplex appliances is
ensured at all times due to continuous quality assurance during
production and quality certification to EN ISO 9001. The
international heat pump quality label for heat pump heating
systems guarantees highest safety and quality standards.The
tests conducted by recognised testing institutes provide
comparability of results, ensure compliance with standards and guarantee an
extensive after-sales network with at least 10-year spare parts availability.
Dimplex is also a member of the UK Heat Pump Association.
Please ring our Brochureline for your copy:
Brochureline: Tel: 0870 727 0115 Fax: 0870 727 0123
Please note – these phone numbers are charged at standard rate, they are NOT
premium rate numbers.
Printed on
accredited paper.
© Glen Dimplex UK Limited
All rights reserved. Material contained in this publication may not be reproduced in
whole or in part, without prior permission in writing of Glen Dimplex UK Limited.
Glen Dimplex UK Limited, Marketing Department, Millbrook House, Grange Drive, Hedge End, Southampton, SO30 2DF. Telephone: 0870 077 7117 Fax: 0870 727 0109
D1238/0406
For Northern Ireland please contact – Glen Dimplex N.I. Limited, Unit No. 24, Seagoe Industrial Estate, Portadown, Craigavon, Co. Armagh, BT63 5TH. Telephone: 02838 337317
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