OSO HOTWATER Delta Coil DC120 User manual
142224-02 - 03-2019
Manufactured by OSO Hotwater AS
Industriveien 1 - 3300 Hokksund - Norway
Tel: + 47 32 25 00 00 / Fax: + 47 32 25 00 90
Delta Coil - DC VIP
120-150-180-210-250-300 l.
UK
SAFETY INFORMATION
O&M INFORMATION
INSTALLATION MANUAL
TDS - TECHNICAL DATA SHEET
2
1. General information
PLEASE LEAVE THIS MANUAL WITH THE OSO UNIT AFTER INSTALLATION.
PLEASE READ THIS MANUAL BEFORE INSTALLATION AND LEAVE UNDER THE CYLINDER TOP LID. THE
MANUAL AND ATTACHED LOGBOOK SERVE AS THE CYLINDER GUARANTEE.
Thank-you for purchasing the Delta Coil unvented hot water cylinder.
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1.1 Health and Safety regulations
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-
1.2 Siting the Delta Coil
1.3 Component Check list
•
• Tundish
•
• Motorised valve
•
1.4 Components factory tted
•
•
•
1.5 Documentation supplied
•
1.6 Supply requirements
1.7 Expansion vessels
1.8 Compatible ttings and components
1.9 Non-compatible products.
3
General Layout
No. Key Part No.
1
2
3Pressure Reducing Valve
4
Tundish
7 71242
9
10
11
12
13
14 92000
Size
120 499
210 940
1210
300 1420
with unvented cylinders.
1.10 Wall mounting
This cylinder is manufactured and approved in accordance with EN 12897 : 2006
4
3. Pipe Connections
2. Preparation of installation area
2.1 Positioning the unit
water heater.
2.2 Protection from frost
-
3.1 Cold water supply
3.1.2-
terrupted supply.
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
3.1.8
together in a Tee as shown on page 3.
3.1.9
3.1.10
3.1.11
3.2 Hot water supply
3.3 Balanced cold water supply (optional).
-
3.4 Secondary return (optional)
3.5 Discharge pipe
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4. Commissioning and lling up
5. Draining & ushing out the system
4.1 Commissioning
4.1.1
4.1.2
4.1.3
Switch electrical power on.
5.1 Draining
5.2 System ushing
-
tion G3.
3.6 Primary Flow and Return and Motorised valve
3.6.1
-
6. Electrical installation - all wiring must conform to current IEE regulations
6.1 Immersion heater Thermostat
neutral and earth as indicated.
The unit must be connected to a minimum 16 amp dedicated permanent supply complying with current I.E.E Wiring regula-
tions, isolation is required via a minimum 20 amp double pole isolation switch with a minimum 3 mm separation required.
All electrical wiring should be carried out by a competent electrician, using a heat resistant cable (minimum 85°C), and be
in accordance with the latest I.E.E Wiring Regulations.
-
N L
IP21
OSO Hotwater (UK) Limited can not be held respon-
sible if alternative wiring plans are used.
Important: Before resetting the safety cutout or al-
tering the thermostat setting isolate electrical sup-
ply to the unit before removal of the lid. Ensure the
lid to the electrical box is replaced.
The thermostat must never be dismantled or
opened. This will compromize its function and may
cause risk of overheating. Guarantee will cease.
Wiring diagram
7
6.4.1 Holiday Mode
-
-
OSO Hotwater (UK) Limited can not be responsible if alternative wiring plans are used. Important: Before resetting the
safety cut-out or altering the thermostat setting isolate electrical supply to the unit before removal of the lid.
6.3 Motorised valve
6.4 Digital Dual Cylinder Thermostat
Wiring Diagram
supply.
S-plan Wiring
-
-
-
-
-
-
-
cure the sensor on the Delta Coil cylin-
housing.
used in accordance with Building Reg-
-
-
-
9
7. Safety and servicing
7.1 Safety Cut-out
1. Wiring is incorrect.
2.
3.
4.
7. 2 Intermittent or slow discharge from tundish
1.
2.
3. Open a hot tap.
4.
seconds.
7. Open cold water supply valve.
9.
7.3 Continuous very hot water discharge from tundish
7.4 Expansion vessel maintenance
-
value.
7.5 Guarantee
7.6 Servicing Procedure:
7.6.1
7.6.2 Pressure reducing valve
7.6.3 Expansion relief cartridge
Do not overtighten.
7.6.4 Temperature and Pressure relief valve
7.6.5 Internal inspection
10
8. OSO Fault Finding Guide
Alternative Discharge
dedicated to the unvented cylinder. The pipe
-
Important - note:
FAULT POSSIBLE CAUSE SOLUTION
No water ow from hot taps.
Water from hot taps is cold.
Intermittent water discharge.
Continous water discharge.
Minimum size of Maximum resistance allowed,
Minimum size of discharge pipe D2* expressed as a lenght of straight Resistance created by
Valve outlet size discharge pipe D1* from tundish pipe (i.e. no elbows or bends) each elbow or bend
11
Technical data - Delta Coil VIP
Technical DATA: DELTA COIL VIP
Description Unit DC120 DC150 DC180 DC 200 DC250 DC300
Actual capacity of the water tank at 20°C l 115 145 175 194 245 284
Outer diameter of the tank mm 595 595 595 595 595 595
Height of the appliance mm 845 1005 1170 1270 1540 1750
Gross weight of the appliance kg 35 39,9 41,7 44,3 51,8 58
Net weight of the appliance kg 32,7 36,9 38,1 40,7 48,1 53,2
Net weight of the appliance once filled with sanitary water kg 148 186,1 214 239,7 297,9 342,5
Material of the tank / integrated heat exchanger - 1.4521 / 1.4521 1.4521 / 1.4521 1.4521 / 1.4521 1.4521 / 1.4521 1.4521 / 1.4521 1.4521 / 1.4521
Material of element - incoloy 825 incoloy 825 incoloy 825 incoloy 825 incoloy 825 incoloy 825
Thermal insulation material - PUR PUR+VIP PUR+VIP PUR+VIP PUR+VIP PUR+VIP
Thermal insulation of the tank, average thickness mm 50 50 50 50 50 50
IP classification - 21 21 21 21 21 21
Standby heat losses /24hour kWh/24h 0,84 0,94 0,98 1,03 1,1 1,18
Standby heat losses Watts 35 39 41 43 46 49
Hot water capacity - mixed to 40°C l 191 246 290 306 412 468
Heating time (upper Coil) min 20,4 24,3 29,6 31,6 43,3 48,5
Reheat time (70%) (upper Coil) min 15,3 18,2 22,2 23,7 32,5 37,1
Primary Heating Power (upper Coil) kW 15,8 17,2 17,1 16,9 16,6 16,5
Primary flowrate for Reheat time and Primary heating l/h 900 900 900 900 900 900
Primary Heat exchanger pressure drop mbar 50 50 50 50 50 50
ERP class -
AAAAAA
Pressure information
Maximum design pressure of cylinder (rated pressure) MPa / 1 / 10 1 / 10 1 / 10 1 / 10 1 / 10 1 / 10
Max. design pressure of heating coil MPa / 1 / 10 1 / 10 1 / 10 1 / 10 1 / 10 1 / 10
Max. design pressure of solar coil MPa / N/A N/A N/A N/A N/A N/A
operating pressure of cylinder MPa /
333333
operating pressure of heating coil MPa / 2,5 2,5 2,5 2,5 2,5 2,5
operating pressure of solar coil MPa / N/A N/A N/A N/A N/A N/A
Max. operating temperature of cylinder °C 70 70 70 70 70 70
Max. operating temperature on the heating coil °C 99 99 99 99 99 99
Max. operating temperature on the solar heating coil °C 99 99 99 99 9
99
9
Expansion solution - Aquasystem 3 Bar Aquasystem 3 Bar Aquasystem 3 Bar Aquasystem 3 Bar Aquasystem 3 Bar Aquasystem 3 Bar
Expansion Vessel capacity L 12 12 18 18 24 24
Exchanger information
Primary Heat exchanger volume l 3,8 4,4 4,4 4,4 4,4 4,4
Primary Heat exchanger surface area m² 0,69 0,8 0,8 0,8 0,8 0,8
Ø Int. et Ø Ext. mm/mm ø20,4/ø22 ø20,4/ø22 ø20,4/ø22 ø20,4/ø22 ø20,4/ø22 ø20,4/ø22
Hydraulic connections
Secondary return mm N/A N/A N/A N/A N/A N/A
Primary heat exchanger flow inch 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Primary heat exchanger return inch 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Cold water inch 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Hot water inch 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Immersion heater inch 5/4" 5/4" 5/4" 5/4" 5/4" 5/4"
Expansion Relief Valve inch 1/2 1/2 1/2 1/2 1/2 1/2
T & P Valve (Factory fitted) inch 1/2 1/2 1/2 1/2 1/2 1/2
Pressure reducing Valve inch 3/4 3/4 3/4 3/4 3/4 3/4
Temperature sensor sleeve diameter mm
888888
Electrical characteristics
Supply voltage and frequency V/Hz 220-240 VAC 220-240 VAC 220-240 VAC 220-240 VAC 220-240 VAC 220-240 VAC
Power of the electrical resistance -3kW@240V
2,8kW@230V
electrical installation - IEEE regs IEEE regs IEEE regs IEEE regs IEEE regs IEEE regs
Thermostat type - immersion/cylinder - Probe/Probe Probe/Probe Probe/Probe Probe/Probe Probe/Probe Probe/Probe
Immersion Heater Phase Phase single single single single single single
immersion thermostat - temp range °C 18-70 18-70 18-70 18-70 18-70 18-70
immersion thermostat - set temp °C 60 60 60 60 60 60
Indirect thermostat - temp range °C 25-65 25-65 25-65 25-65 25-65 25-65
Indirect thermostat - set temp °C 60 60 60 60 60 60
Safety
safety valve opening pressure +/- 5% Bar
666666
T & P Valve opening pressure/Temp Bar/°C 10/90 10/90 10/90 10/90 10/90 10/90
safety thermostat cutout - immersion °C 87 87 87 87 87 87
safety thermostat cutout - cylinder °C 80 80 80 80 80 80
Packaging
Width of Box mm 610 610 610 610 610 610
Depth of Box mm 610 610 610 610 610 610
Height of Box mm 890 1070 1200 1320 1570 1780
Weight of Boxmm 40 45 47 49 57 63
3kW@240V
2,8kW@230V
3kW@240V
2,8kW@230V
3kW@240V
2,8kW@230V
3kW@240V
2,8kW@230V
3kW@240V
2,8kW@230V
12 All replacement parts should be supplied by OSO HOTWATER (UK) LIMITED.
For spare parts visit www.oso-spares.co.uk • www.oso-hotwater.com
Delta Product Fiche
13
The code of practice for the installation,
commissioning & servicing of mains pressure hot water storage
Installation,Commissioning
and Service Record Log Book
CUSTOMER DETAILS
NAME
ADDRESS
TEL No.
IMPORTANT
The above does not aect your statutory rights.
http://www.hotwater.org.uk/
© HEATING AND HOTWATER INFORMATION COUNCIL
IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS
LOG BOOK AND PASS IT ON TO THE CUSTOMER. FAILURE TO DO
SO MAY INVALIDATE THE CYLINDER GUARANTEE
HWA charter members agree to:
• To provide pre and post sales technical support
14
INSTALLER & COMMISSIONING ENGINEER DETAILS
INSTALLER DETAILS
COMPANY NAME DATE
ADDRESS
INSTALLER NAME TEL No.
REGISTERED OPERATIVE ID CARD No.
(IF APPLICABLE)
REGISTRATION DETAILS
COMMISSIONING ENGINEER (IF DIFFERENT)
NAME DATE
ADDRESS
TEL No.
REGISTERED OPERATIVE ID CARD No.
(IF APPLICABLE)
REGISTRATION DETAILS
GUARANTEE - OSO UNVENTED HOTWATER CYLINDER
IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOGBOOK AND PASS IT
ON TO THE CUSTOMER. FAILURE TO DO SO MAY INVALIDATE THE CYLINDER GUARANTEE
-
This guarantee does not confer any rights other than those expressly set out above and does not cover any claims for consequential loss
or damage. This guarantee is oered as an extra benet and does not aect your statutory rights as a consumer.
APPLIANCE & TIME CONTROL DETAILS
MANUFACTURER OSO HOTWATER (UK) MODEL
CAPACITY
TYPE
TIME CONTROL
UNVENTED
PROGRAMMER
litres SERIAL No.
TIME SWITCH
or
COMMISSIONING PROCEDURE INFORMATION
BOILER PRIMARY SETTINGS (INDIRECT HEATING ONLY) ALL BOILERS
IS THE PRIMARY A SEALED OR OPEN VENTED SYSTEM? SEALED OPEN
WHAT IS THE BOILER FLOW TEMPERATURE? C
ALL MAINS PRESSURISED SYSTEMS
YES
WHAT IS INCOMING STATIC COLD WATER PRESSURE AT THE INLET TO THE
PRESSURE REDUCING VALVE?
HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS?
HAS A WATER SCALE REDUCER BEEN FITTED?
WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED?
NO
YES NO
UNVENTED SYSTEMS
YES
ARE COMBINED TEMPERATURE AND PRESSURE RELIEF VALVE
AND EXPANSION VALVE FITTED AND DISCHARGE TESTED?
IS PRIMARY ENERGY SOURCE CUT OUT FITTED
(NORMALLY 2 PORT VALVE)?
WHAT IS THE PRESSURE REDUCING VALVE SETTING (IF FITTED)?
WHERE IS OPERATING PRESSURE REDUCING VALVE SITUATED?
NO
YES NO
YES NO
bar
HAS THE EXPANSION VESSEL OR INTERNAL AIR SPACE BEEN CHECKED? YES NO
WHAT IS THE HOT WATER TEMPERATURE AT THE NEAREST OUTLET? C
bar
ALL PRODUCTS
YES
DOES THE HOT WATER SYSTEM COMPLY WITH
THE APPROPRIATE BUILDING REGULATIONS?
HAS THE SYSTEM BEEN INSTALLED AND COMMISSIONED
IN ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS?
HAVE YOU DEMONSTRATED THE OPERATION OF THE
SYSTEM CONTROLS TO THE CUSTOMER? YES
YES
HAVE YOU LEFT ALL THE MANUFACTURER’S
LITERATURE WITH THE CUSTOMER? YES
COMPETENT PERSON’S
SIGNATURE
CUSTOMER’S
SIGNATURE
(To conrm demonstrations of equipment and
receipt of appliance instructions)
PLEASE FOLLOW THE INSTALLATION AND COMMISSIONING INSTRUCTIONS
IN THE INSTALLATION MANUAL SUPPLIED WITH THE EQUIPMENT
SERVICE INTERVAL RECORD
SERVICE PROVIDER
ENGINEER NAME
SERVICE 1
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 3
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 5
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 7
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 9
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 2
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 4
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 6
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 8
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
ENGINEER NAME
SERVICE 10
COMPANY NAME
TEL No.
COMMENTS
SIGNATURE
DATE:
HWSLB First Edition 01.03.02
This manual suits for next models
5
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