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UNVENTED HOT WATER SYSTEM
ANNUAL SERVICE REQUIRED
PLEASE LEAVE WITH HOUSEHOLDER
IMPORTANT - Failure to install and maintain this system
in accordance with these instructions will invalidate the
manufacturer's warranty. Extended warranty card to be
QUEENSWAY INDUSTRIAL ESTATE,
GLENROTHES FIFE KY7 5QF
Tel : 01592 611123 Fax : 01592 611166
Email : sales@mcdonaldwaterstorage.com
Internet : www.mcdonaldwaterstorage.com
FOR SPARES CALL 01592 611123
INSTRUCTIONS
completed and returned.
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Summary of Contents for MCDonald Powerflow
- Page 1 UNVENTED HOT WATER SYSTEM ANNUAL SERVICE REQUIRED INSTRUCTIONS PLEASE LEAVE WITH HOUSEHOLDER IMPORTANT - Failure to install and maintain this system in accordance with these instructions will invalidate the manufacturer’s warranty. Extended warranty card to be completed and returned. QUEENSWAY INDUSTRIAL ESTATE, GLENROTHES FIFE KY7 5QF Tel : 01592 611123 Fax : 01592 611166 Email : sales@mcdonaldwaterstorage.com...
- Page 2 ensure the system is fully flushed of IMPORTANT any debris or flux before connection. 3. Incoming mains to arrive in a Installation should only be carried out by a minimum of 22mm copper pipe. Fit to ‘competent operative’ i.e. the installer must the Pressure Reducing Valve A (See have attended a recognised course in Page 4) set at 2.1 Bar.
- Page 3 15% of the unit capacity, and Cold Feed, (hard piped or fitted a larger Expansion Vessel may need with the braided flexi-hose). (On to be fitted - contact McDonald Water previous units the check valve was Storage. factory fitted to the Cold Feed). No 11.
- Page 4 ONCE ALL THE PRECEDING INSTRUCTIONS HAVE BEEN FOLLOWED, COMMISSION THE SYSTEM. IMPORTANT 6. Ensure there is no discharge from the Relief Valves (B and D). COMMISSIONING - These instructions 7. Switch on water heating system and must be followed. check operation of the system. After following the instructions on pages 1 &...
- Page 5 " # % & ' CHECKLIST A - Pressure Reducing Valve with Strainer. H2 - Optional Second Immersion on Indirects. Standard on 150 A2 - Check Valve. Directs upwards. B - Expansion Relief Valve. I - Drain connection. C - Cold Feed. J* - Dual Thermostat Controller.* D - Pressure &...
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Page 6: Annual Maintenance
ANNUAL MAINTENANCE PROBLEM SOLVING DISCHARGE FROM EITHER OF THE should be serviced at least RELIEF VALVES INDICATES A once a year by a competent operative. MALFUNCTION IN THE SYSTEM AND IMPORTANT - failure to maintain this MUST BE INVESTIGATED IMMEDIATELY. system in accordance with these instructions will invalidate the OVERHEATED HOT WATER... -
Page 7: Water Discharge
Storage for further information. clean. If this does not solve the problem, a replacement should be ordered from IMMERSION HEATER McDonald Water Storage. Next, check the FAILURE charge in the expansion vessel and If the Immersion Heater (H or H2) is not recharge as below. -
Page 8: Technical Data
TECHNICAL DATA Weights Direct Indirect Empty (kgs) Full Empty (kgs) Full 75 Litre POWERflow 120 Litre POWERflow 150 Litre POWERflow 180 Litre POWERflow 210 Litre POWERflow 300 Litre POWERflow Heat Up Times 10-60°C Direct Indirect 75 Litre POWERflow 89 mins... - Page 9 INDIRECT POWERflow WIRING DIAGRAM WIRING DIAGRAM TWO 2 PORT ZONE VALVE (S-PLAN) DUAL THERMOSTAT WIRING HIGH LIMIT CONTROL 2 PORT (HTG) 2 PORT (DHW) CUTOUT STAT Br G Bl Bl 0 9 10 10 WAY WIRING CENTRE 5A SUPPLY PUMP...
- Page 10 FOR SPARES VISIT WWW.MCDONALDWATERSTORAGE.COM OR CALL 01592 611123...
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Page 11: Annual Service Record
ANNUAL SERVICE RECORD IMPORTANT - Failure to install the cylinder correctly and maintain this record accurately, will invalidate the manufacturer’s warranty. DATE SERVICED BY COMMENTS FOR SPARES VISIT WWW.MCDONALDWATERSTORAGE.COM OR CALL 01592 611123... -
Page 12: Maintenance
SOLAR COILS The cylinder should be installed according to the standard POWERflow instructions. Single Coil Solar The solar controller should be wired using the High Limit Thermostat to ensure power is cut to the solar pump, in the event of an overheat situation. Reference should be made to the solar equipment instructions.
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