installation instructions single circuit kit
Contents
1. the location of the kink remains in a straight length no other remedial action is required 13 Prevent people from walking on the pipes keep tools etc away from the pipes and use running boards The pipe is very tough but it is better to be safe than sorry 14 It is IMPORTANT that the underfloor heating system is properly filled with water use a garden hose and purged completely of air to ensure correct operation 15 IT IS NOT ADEQUATE TO FILL THE SYSTEM USING THE BOILER FILLING LOOP 1a Commissioning 1 Screed or chipboard flooring should be laid immediately after pipelaying to protect the pipe 2 Concrete screed floors must be cured before any heat is applied a general rule of thumb is to allow 1 day per 2 millimetres of screed 3 Timber floor with drymix infill can have heat applied immediately the drymix must be dried completely before laying the flooring 4 Hardwood timber flooring must be conditioned before fixing 5 Itis important to purge the pipework from the boiler to the manifold to avoid air being introduced into the underfloor heating system 6 Initially start the system with the thermostatic valve set at min 35 c 7 Increase the setting by 5 per day up to a maximum of 50 for concrete floors max 60 for timber floors 8 NOTE When first starting up the system it may take 12 24 hours for the heating effect to become apparent 1b Electrical 1 Thermostat posi2. g room thermostat radiators 2 DANFOSS FP975 2H C Supply to UFH pump Supply to UFH pump RET230P thermostat underfloor heating Supply 230V AC Earth wires omitted for Supply to UFH pump clarity CN HP motorised valve HP motorised valve radiators underfloor heating RET230L thermostat M Mi underfloor heating a ct S NL Volt free to room thermostat connections in combination boiler WARNING N J Exercise care when connecting to boiler connections its important that a voltage is not applied to boiler terminals from this control system or damage to boiler may occur Supply to UFH pump 3 System schematics Schematic for system boiler a UFH radiators hot water Motorised valves Boiler Boiler Schematic for gas combination boiler amp underfloor heating radiators Motorised valves Combination boiler gt 2 1 amp gt 5 c o oO a a
3. heating INSTALLATION INSTRUCTIONS SINGLE CIRCUIT KIT The Underfloor Heating Store Ltd Unit 17 Gardiners Lane South Basildon Essex SS14 3AP Tel 0800 0778374 Fax 01268 527199 E mail sales theunderfloorheatingstore com 1 Installation 1 Read all of this document first 2 Select a suitable location for the pump control valve unit and mount on the wall 3 Fit the two x16mm pipe adaptors as shown in the illustration 4 Refer to the typical pipe installation drawings and determine the pipe layout the layout is not critical and can be varied to suit site conditions the important criteria being the pipe spacing 5 Pipe spacing is 200mm for a conservatory amp 250mm for other rooms 6 The pipe is marked every metre by the metre 7 Pipes should be laid 100mm away from walls 8 Do not lay pipe under kitchen units 9 Start from the far end of the room and work back to the pump control valve unit location 10 To lay the circuit cut the pipe end squarely using the plastic pipe cutter re round the pipe end with the tool provided place the nut over the pipe the olive and insert is fully fitted over the end of the pipe and the assembly attached to the pipe adaptor Tighten the nut it is not necessary to over tighten using an open end spanner 11 Lay the pipe as planned fixing every 1 0m and return to the manifold 12 If the pipe is kinked when bending the pipe should be straightened and rearranged so that
4. tion in the room is not critical but positions affected by the sun should be avoided mounting height approx 1 5M 2 The pump control valve unit incorporates a pipe thermostat and will not operate unless hot water is available from the boiler heating system 2 Electrical TYPICAL ELECTRICAL CONNECTION SINGLE CIRCUIT UFH EXISTING S PLAN SYSTEM SYSTEM BOILER DS1 DT PRT PRT TS thermostat underfloor heating TP5000Si thermostat underfloor heating room thermostat ATC 5 radiators cylinder thermostat Supply to UFH pump Supply to UFH pump HORSTMAN H37 O RET230P thermostat underfloor heating Supply to UFH pump Supply 230V AC Earth wires omitted for clarity HP motorised valve HP motorised valve HP motorised valve DHW radiators underfloor heating M M M E RET230L thermostat underfloor heating S a Supply o Roller Supply to UFH pump O 9 boiler pump TYPICAL ELECTRICAL CONNECTION SINGLE CIRCUIT UFH RADIATORS COMBINATION BOILER DS1 DT PRT PRT TS TP5000Si thermostat thermostat underfloor heating underfloor heatin
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