DORCHESTER DR-FC 120 Manuel de service

HamworthyDorchester DR-FC EvoCondensing, Room Sealed and Open FlueDirect Gas Fired Storage Water Heaters30kW to 120kW Natural Gas or LPGContinuous out

10System SchematicsDorchester DR-FC EvoIsolation valveCirculation pumpNon-return valveIsolation valveCondensate drainDrain valve Non-return valve Isol

11System SchematicsDorchester DR-FC EvoUnvented mainscold water supplyHot water flowSecondary returnTPRVTPRVTop-to-bottom recirculation kitTop-to-bott

12General Applications InformationDorchester DR-FC Evo Gas, Water Supply, and DHW CircuitsRegulationsThe installation of the water heater MUST be in a

13General Applications InformationDorchester DR-FC Evo LocationThe location chosen for the water heater must permit the provision of a satisfactory fl

14Air Supply and VentilationDorchester DR-FC Evo Compartment Ventilation – Open Flue Compartment Ventilation – Room SealedDirect to outside airTo room

15Electrical DetailsDorchester DR-FC Evo Electrical ConnectionsThe electrical connection junction box is located within the upper casing section of th

16Application & System Data Unvented Hot Water Systems13Following revision of the model water bye-laws in 1986 and the subsequent publication of p

17Hot Water SizingGuidance NotesThe following notes are given for guideline purposes and the assumptions made are general. The diversification of hot

18LaunderettesDetermine the cycle time of the machines (add 10 minutes for unloading and reloading). Calculate the number of cycles that occur in one

19Hot Water SizingDorchester DR-FC EvoHaving established the number of appliances, the usage, and the quantity of hot water required, the outputs of t

2Dorchester DR-FC EvoCondensing Direct Gas Fired Storage Water HeatersOptions Natural gas or LPG Unvented supply kit Horizontal or vertical flue termi

20The Dorchester DR-FC Evo water heaters are designed to operate as room sealed appliances or in open flue systems, and are available with a choice of

21Flue SystemsDorchester DR-FC EvoOpen Flue Systems, Type B23Dorchester DR-FC Evo open flues are arranged for air supply directly from the plant room

22Table 4–Concentric Balanced Flue With Horizontal Terminal, Type C13-ATable 5–Parallel Balanced Flue With Concentric Horizontal Terminal, Type C13-B

23Table 7–Concentric Balanced Flue With Vertical Terminal, Type C33-ATable 8–Parallel Balanced Flue With Concentric Vertical Terminal, Type C33-BTable

24ModelDiameter/mmMaximum Length/mElbow equiv. length/mDuct Terminal 90° 45°DR-FC Evo 25 130 100 100 2.4 1.4DR-FC Evo 30 130 100 100 2.4 1.4DR-FC Evo

25ModelDimensions / mmV W X X* Y Y*DR-FC Evo 25 550 790 1535 1985 1480 1030DR-FC Evo 30 550 790 2075 2525 1480 1030DR-FC Evo 45 550 790 2075 2525 148

26Flue Design for Combined SystemsDorchester DR-FC EvoMultiple Water Heaters - Open Flue System, Type B23CondensatedrainLower resistance than heaterto

27CondensatedrainLower resistance than heaterto base of riserDraught must notexceed pressure atappliance outletwhen firingPotential stabiliserlocation

Customer Service CentreHamworthy Heating Limited Fleets Corner, Poole, Dorset BH17 0HH Telephone: 0845 450 2865 Email: [email protected] We

3Typical Layout Dorchester DR-FC EvoFlexible Programmable Timer Controls The Dorchester DR-FC Evo timer control features 21 programmable ON-OFF period

4SpecificationDorchester DR-FC EvoThe Hamworthy Dorchester DR-FC Evo range of direct fired storage water heaters provide plenty of choice in meeting h

5SpecificationDorchester DR-FC EvoOpen Vented or Unvented SystemsThe water heaters are suitable for open vented water systems i.e. those fed typically

6ControlsDorchester DR-FC EvoThe Dorchester DR-FC Evo range features advanced control capability through a digital control panel and backlit display w

7Technical DataDorchester DR-FC EvoDescription UnitDR-FCEvo 25DR-FCEvo 30DR-FCEvo 45DR-FCEvo 60DR-FCEvo 80DR-FCEvo 95DR-FCEvo 120WaterContinuous outpu

8Dimensional DetailsDorchester DR-FC Evo Hot water outlet(male R 1½”)T&P valve connection1”–11.5 NPTGas inlet connection DR-FC Evo 80–120 (male R

9Dimensional DetailsDimensional Details Ref Dimensions/mmWater Heater ModelDR-FCEvo 25DR-FCEvo 30DR-FCEvo 45DR-FCEvo 60DR-FCEvo 80DR-FCEvo 95DR-FCEvo