Grant MonoWave Series Installation, Servicing And User Instructions Manual Download

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UK | DOC 0133 | Rev 1.2 | September 2019

Grant

MonoWave System

Indirect HP (High Performance) Cylinder with

Buffer for ASHP and Boiler applications

Installation, Servicing and User Instructions

DATE: 28th June 2018

SCALE: A4: 1:10

DRAWN BY: T. K. Lavery

CHECKED BY: P. Stanley

□

GRANT ENGINEERING UK LTD
Hopton Industrial Estate Devizes SN10 2EU
DRAWING NAME: Cover page

DRAWING NUMBER: List

REVISION: 00

Summary of Contents for MonoWave Series

Page 1: ...nder with Buffer for ASHP and Boiler applications Installation Servicing and User Instructions DATE 28th June 2018 SCALE A4 1 10 DRAWN BY T K Lavery CHECKED BY P Stanley GRANT ENGINEERING UK LTD Hopton Industrial Estate Devizes SN10 2EU DRAWING NAME Cover page DRAWING NUMBER List REVISION 00 ...

Page 2: ...o guide Installers on the installation commissioning and servicing of the Grant MonoWave HP high performance cylinder with buffer After installing the cylinder leave these instructions with the user User instructions to guide users in the operation of the cylinder are in Section 12 of these instructions Special Text Formats The following special text formats are used in these instructions for the ...

Page 3: ...rked example 17 5 ELECTRICAL 18 5 1 Immersion heater 18 5 2 Immersion heater wiring instructions 18 5 3 Immersion heater safety cut out 19 5 4 Dual thermostat 19 5 5 2 port valves 19 5 6 Pre plumbed cylinder wiring 19 5 7 Standard cylinder wiring 19 5 8 Heat pump interface box 19 5 9 Pre plumbed MonoWave cylinder 20 with heat pump 5 10 Standard MonoWave cylinder 22 with heat pump 5 11 Pre plumbed ...

Page 4: ... available in both pre plumbed and standard versions Both versions are factory fitted with a temperature and pressure relief T P valve and two 3kW immersion heaters one in the cylinder and the other in the buffer Refer to Section 5 for further details on the immersion heaters The pre plumbed cylinders are factory fitted with the following Primary circuit pipework 1 x 2 port zone valve for hot wate...

Page 5: ...R32 6kW or HPID10R32 10kw heat pumps but ONLY when the Grant Aerona HPID13R32 13kW or HPID17R32 17kW heat pumps are used with this cylinder 1 9 Secondary Circuit Pipework Connections All secondary circuit primary pipework connections to the cylinder MUST be made in accordance with Figures 2 3 or 2 4 as appropriate Refer to Section 4 Secondary Circuit Installation 1 10 Taps and Fittings All taps an...

Page 6: ...hot draw off connections mm 22 22 22 22 22 22 Primary coil connections mm 22 22 22 22 22 22 Primary coil length m 23 36 23 36 27 80 23 36 23 36 27 80 Primary coil surface area m 3 3 3 3 4 2 3 3 3 3 4 2 Primary coil pipe diameter mm 22 22 22 22 22 22 Maximum water supply pressure bar 12 12 12 12 12 12 System operating pressure pre set bar 3 3 3 3 3 3 Expansion vessel charge pressure bar 3 3 3 3 3 3...

Page 7: ...linder 250 litres 1 Pre plumbed cylinder 300 litres 1 Expansion vessel 19 litre 1 1 Expansion vessel 24 litre 1 1 1 1 ʺ temperature and PRV 7 bar 90 C 1 1 1 1 1 1 Tundish 15 22 mm 1 1 1 1 1 1 Drain cock ʺ end feed 1 1 1 1 1 1 Inlet manifold 3 bar PRV and 6 bar expansion relief valve 1 1 1 1 1 1 2 port motorised valve 22 mm hot water 1 1 1 1 1 1 2 port motorised valve 22 mm heating 2 2 2 Dual therm...

Page 8: ...00 1 870 2 085 Height 1 715 1 921 2 109 Diameter 580 580 580 28mm Return from Heating Circuits 22mm Flow to Heating Zone 1 22mm Flow to Heating Zone 2 G F A B C E D 28mm return to ASHP 28mm flow from ASHP DATE 2nd August 2018 SCALE A4 1 10 DRAWN BY T K Lavery CHECKED BY P Stanley GRANT ENGINEERING UK LTD Hopton Industrial Estate Devizes SN10 2EU DRAWING NAME ASHP Fig 2 3 Pre Plumber Cylinder Dimen...

Page 9: ...ory Fitted G 22mm HW Secondary Return Thermostat Pocket Cylinder Immersion Heater Factory Fitted 28mm Primary Flow Return Thermostat Pocket 22mm Cold Water Inlet Buffer Immersion Heater Factory Fitted Thermostat Pocket 28mm Return to ASHP 28mm Flow from ASHP 28mm Flow to Cylinder Coil and Heating Circuits 28mm Return from Cylinder Coil and Heating Circuits 23 13 0 13 23 49 K L 27 0 27 40 DATE 2nd ...

Page 10: ...onnector located to the UPPER RIGHT of the buffer immersion heater to the inlet of the primary circuit circulating pump not supplied with the cylinder 3 Connect a 28 mm pipe from the outlet of the primary circuit circulating pump into the 28 mm Tectite Tee connector on the primary flow pipe located on the left hand side of the cylinder 4 Connect the heat pump flow and return pipes to the buffer ta...

Page 11: ...tank immersion heater Buffer tank flow connection Cylinder Immersion Heater DATE 2nd August 2018 SCALE A4 1 10 DRAWN BY T K Lavery CHECKED BY P Stanley GRANT ENGINEERING UK LTD Hopton Industrial Estate Devizes SN10 2EU DRAWING NAME ASHP Fig 3 1 Pre plumbed cylinder buffer DRAWING NUMBER List REVISION 00 22mm Flow to Heating Zone 1 22mm Flow to Heating Zone 2 Expansion Vessel Hose Connects into Pre...

Page 12: ...ing Refer to Section 6 7 of these Installation and User Instructions NOTE A by pass at the cylinder as described above is NOT required for the Grant Aerona HPID6R32 6kW or HPID10R32 10kw heat pumps but ONLY when the Grant Aerona HPID13R32 13kW or HPID17R32 17kW heat pumps are used with this cylinder 3 3 2 Where the volumiser option is to be used Make the primary circuit and heat pump connections t...

Page 13: ...18 SCALE A4 1 10 DRAWN BY T K Lavery CHECKED BY P Stanley GINEERING UK LTD strial Estate Devizes SN10 2EU NAME ASHP Figure 3 3 Standard cylinder buffer DRAWING NUMBER List REVISION 00 22mm Hot Water Draw Off 1 2 T P Relief Valve Factory Fitted 22mm HW Secondary Return Thermostat Pocket 28mm Primary Return Thermostat Pocket 22mm Cold Water Inlet 28mm Flow Connections Capped Off 28mm primary circuit...

Page 14: ...ing the inlet controls Failure to do this may result in irreparable damage to the controls and will invalidate the warranty 3 Once the pipework is flushed connect the cold supply to the Inlet manifold The manifold can be installed in any position as long as it is installed in the correct flow direction Refer to the arrows on the side of the body Make sure that the head of the expansion relief valv...

Page 15: ... in the expansion vessel must be regularly checked e g at every service and topped up as necessary The correct air charge pressure is 3 0bar Refer to Sections 7 1 and 7 5 for further details 4 5 Temperature and Pressure Relief Valve The temperature and pressure relief valve T P Valve is supplied factory fitted to the cylinder The T P valve must not be removed from the cylinder or tampered with in ...

Page 16: ...are a ideally below a fixed grating and above the water seal in a trapped gully b downward discharges at a low level i e up to 100mm above external surfaces such as car parks hard standings grassed areas etc are acceptable providing that where children may play or otherwise come in to contact with discharges a wire cage or similar guard is positioned to prevent contact whilst maintaining visibilit...

Page 17: ...er temperature relief valve with a discharge pipe D2 having 4 elbows and a length of 7 m from the tundish to the point of discharge From Maximum resistance allowed for a straight length of Ø22mm copper discharge pipe D2 from a 1 2 diameter temperature relief valve is 9 0m Subtract the resistance for quantity of 4 Ø22mm elbows at 0 8m each 3 2m Therefore the maximum permitted length equates to 5 8m...

Page 18: ...C The immersion heater is factory fitted to the cylinder If the immersion heater needs to be replaced it must be fitted to the cylinder using the gasket provided on the unit Only use a correctly shaped spanner Stilsons or pipe grips should not be used The use of sealing compound is not recommended WARNING The immersion heater must NOT be used unless it is fully immersed in water Always ensure that...

Page 19: ...d in the dual thermostat This valve should be wired in accordance with the wiring diagrams Figures 5 2 to 5 7 as appropriate to comply with current legislation For other makes of air source heat pump other than the Grant Aerona consult the heat pump manufacturer for electrical connection details 5 6 PRE PLUMBED CYLINDER WIRING The Grant MonoWave pre plumbed HP cylinder with Buffer is supplied with...

Page 20: ...nge Orange Orange HW OFF 2 1 3 Room Stat 2 2 1 3 Room Stat 1 Pre wired on cylinder Installer system wiring N E L System Circulator NOT supplied 4 N Wiring Centre Overheat Stat 1 C 2 Control Stat 1 C 2 Link N E E Dual Thermostat 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 Link ASHP Terminals 4 Core 3 E Volt free connections from Heating and Hot Water Zone Valves to Terminals 18 20 on ASHP Terminal P...

Page 21: ... Link Grey Grey Grey Orange Orange Orange HW OFF 2 1 3 Room Stat 2 2 1 3 Room Stat 1 Pre wired on cylinder Installer system wiring N Overheat Stat 1 C 2 Control Stat 1 C 2 Link N E E Dual Thermostat 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 Link ASHP Terminals 4 Core 3 E Volt free connections from Heating and Hot Water Zone Valves to Terminals 18 20 on ASHP Terminal PCB via Relays on Grant EP0002...

Page 22: ...4 25 1 2 3 4 5 6 7 8 Link ASHP Terminals 4 Core 3 E Volt free connections from Heating and Hot Water Zone Valves to Terminals 18 20 on ASHP Terminal PCB via Relays on Grant EP0002 Grant EP002 Heat Pump Interface 3 2 1 1 2 3 4 RL1 RL2 RL3 Hot Water Yellow Common Red Heating Blue 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 Link ASHP Terminals 4 Core 3 E Volt free connections from Heating and Hot Wate...

Page 23: ...s 4 Core 3 E Volt free connections from Heating and Hot Water Zone Valves to Terminals 18 20 on ASHP Terminal PCB via Relays on Grant EP0002 Grant EP002 Heat Pump Interface 3 2 1 1 2 3 4 RL1 RL2 RL3 Hot Water Yellow Common Red Heating Blue 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 7 8 Link ASHP Terminals 4 Core 3 E Volt free connections from Heating and Hot Water Zone Valves to Terminals 18 20 on ASH...

Page 24: ... Z2 Motor HTG Blue Green Yellow Brown Earth and some Neutral connections have been excluded for clarity COMMON COMMON Grey Grey Grey Orange Orange Orange HW OFF 2 1 3 Room Stat 2 2 1 3 Room Stat 1 Pre wired on cylinder Installer system wiring E N N E L System Circulator NOT supplied 4 L N Wiring Centre Overheat Stat 1 C 2 Control Stat 1 C 2 Link N E E Dual Thermostat BOILER Link Link DATE 26th Jul...

Page 25: ...h and some Neutral connections have been excluded for clarity Grey Grey Orange Orange 2 1 3 Room Stat 1 N Grant 2 Channel Wall Mounted Programmer ESKIT L 1 2 3 4 OFF OFF ON ON HW HT HW HT 4 Wiring Centre Overheat Stat 1 C 2 Control Stat 1 C 2 Link N E E Dual Thermostat E N N E L System Circulator NOT supplied L N BOILER Link Link SCALE A4 1 1 GRANT ENGINEERING UK LTD Hopton Industrial Estate Deviz...

Page 26: ... off the cold water service valve or stop cock 4 Open all hot water taps 5 Open drain cock in cold water supply to drain unit down Refer to Figures 2 3 or 2 4 6 3 Immersion Heater Safety Cut Out The immersion heater incorporates an in independent non self resetting over temperature cut out device to prevent excessive water temperatures Refer to Section 5 3 for further details The safety cut out wi...

Page 27: ...Grant MonoWave HP cylinder with buffer MUST be fitted with a simple by pass between the primary flow and return pipes at the cylinder when used with either a Grant Aerona HPID13R32 13kW or HPID17R32 17kW heat pump Refer to Section 3 3 Primary Connections Standard cylinder In either case this by pass must be set during commissioning as follows 1 If the integral buffer is to be used as a buffer a Se...

Page 28: ...ng the stopcock Allow the cylinder time to fill whilst checking for any leaks Release any air from the system by opening each hot water tap individually starting with the one furthest from the cylinder 11 Manually lift the expansion relief and temperature and pressure relief valve one at a time every 12 months more frequently in hard water areas to prevent debris from building up behind the valve ...

Page 29: ...cylinder thermostat Faulty T P valve Repair or replace thermostat Replace T P valve Repair or replace immersion thermostat No No No Yes Yes Yes 8 2 CONSTANT WATER DISCHARGE Constant water discharge from T P valve Expansion vessel charge reduced Faulty T P valve Faulty pressure reducing valve Test vessel and recharge or replace Replace T P valve Replace pressure reducing valve No No No Yes Yes Yes ...

Page 30: ...d reset button Check and replace cylinder thermostat Test for correct operation If water is still cold contact a competent engineer Yes Yes Yes Yes Yes No No No No Yes No 8 3 NO FLOW FROM HOT WATER TAPS No flow from hot water taps Mains supply disconnected Mains supply disconnected Mains supply disconnected Open supply valve or wait for supply to be reconnected Clean line strainer Repair or replac...

Page 31: ...bar GCS08 ʺ Temperature and pressure relief valve 90 C 7 bar GCS09 Tundish 15mm 22mm compression GCS10 Coil control limit thermostat GCS11 Immersion heater element Cotherm type ELE14 IN 800 UNV GCS30 Drain cock GCS14 Immersion heater thermostat Cotherm type TSE GCS31 Motorised valve GCS16 Inlet manifold c w 3 bar pressure reducing valve and 6 bar expansion relief valve GCS07 9 SPARE PARTS ...

Page 32: ...water storage cylinders and thermal stores can be recycled as listed below Component Material Shell Stainless steel duplex 2034 Internal coils Stainless steel Compression connections Brass Outer casing Steel acrylic coated Top bottom caps ABS acrylic capped T P valve Brass Immersion heater Brass stainless steel Dual thermostat Plastic copper Disposal All materials other than those listed above mus...

Page 33: ...verheat thermostat will automatically operate if the water temperature reaches 90 C If this operates it can be re set To do this first wait for the cylinder to cool down Then unscrew the plastic cap and press in the small re set pin If the problem persists please contact your installer Temperature settings The hot water temperatures on the cylinder immersion heater and dual thermostat should not b...

Page 34: ...r to contact Grant Engineering UK Limited Service Department on 44 0 1380 736920 who will arrange for a competent service engineer to rectify the fault Remember before you contact Grant Engineering UK Limited Ensure the cylinder thermal store has been installed commissioned and serviced by a competent person in accordance with the installation and servicing instructions Ensure the problem is not b...

Page 35: ...antee applies to Grant Engineering UK Limited cylinders thermal stores purchased and installed on the UK mainland Isle of Wight Channel Islands and Scottish Isles only2 Provision of in guarantee cover elsewhere in the UK is subject to agreement with the Company All claims under this guarantee must be made to the Company prior to any work being undertaken Invoices for call out repair work by any th...

Page 36: ...Grant Engineering UK Limited Hopton House Hopton Industrial Estate Devizes Wiltshire SN10 2EU Tel 44 0 1380 736920 Fax 44 0 1380 736991 Email info grantuk com www grantuk com ...

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