COMFORT - Grundfos

1 Grundfos data BOOKLETCOMFORTC irculator pumps50/60 HzTable of contents2 COMFORT1. Product description3 Type key .. 3 Approvals.. 3 Applications .. 4 Performance range .. 52. Operating conditions6 Pumped liquids .. 6 Temperatures.. 6 Pressures.. 6 Pump location .. 63. Functions7 COMFORT with AUTOADAPT .. 7 Temperature control mode for temperature control (T) variants .. 9 COMFORT with digital timer .. 104. Construction11 Electrical insulation .. 11 Motor .. 11 Stator .. 11 Spherical separator.

2 11 Bearing pin and bearing ball .. 11 Rotor .. 11 Pump housing .. 12 Isolating valve and non-return valve .. 12 Seal ring.. 12 Union nut .. 12 Sectional drawing.. 13 Material specification .. 135. Performance curves14 Curve conditions .. 146. data sheets157. Product numbers358. Accessories36 Fittings .. 36 Spare parts .. 369. Grundfos Product Center37 Product description3 COMFORT11. Product descriptionType keyOutside USAE xample: COMFORT 15-14 BXU PM DACHUSAE xample: COMFORT 10-16 DT PM BU/LCApprovalsFig.

3 1 European approvalsFig. 2US approvalsCodeExplanationDesignationCOMFO RT 15-14 Pump typeBBrass pump housingOptionsMMotor (pump head only)XIntegrated isolating valve and non-return valveLength 140 mm / G 1 FeaturesDTDigital TimerUDigital Uhr (DACH only)AAUTOADAPTPMP ermanent BritainDACHG ermany, Austria, SwitzerlandCNChinaCodeDesignationCOMFORT 10-16 Pump controlAAUTOADAPTDTD igital TimerPMPermanent magnet -B51/2" internal sweat, BrassConnectionBN51/2" NPT, BrassBU1 1/4" NPSM with integrated isolating valve and non- return valve, BrassLCLine cord-WATER QUALITYD rinking water system componentNSF/ANSI 61MH26400 NSF/ANSI 372 Product description4 COMFORT1 ApplicationsGrundfos COMFORT circulator pumps are designed for the following.

4 Domestic hot-water systems in single- and two-family houses small heating systems cooling and air-conditioning pumps are suitable for open and closed systems. They must be installed 3 Single-loop systemFig. 4 Branched systemDomestic hot-water systemsFor circulation of drinking water in domestic hot-water systems, we recommend to use Grundfos COMFORT types with brass pump housing in systems with hot-water storage 5 Domestic hot-water system with hot-water storage tankTM01 9110 1100TM01 9111 1100TM05 9316 3313 Product description5 COMFORT1 Performance rangeFig.

5 6 COMFORT performance range (outside USA)Fig. 7 COMFORT performance range USATM06 8755 [kPa]H[m] [m /h]Q [l/s] Hz230 15-14 BX, BXA, BXDTCOMFORT 15-14 B, BA, BDTTM06 8411 0517H[m]H[ft]Q [US GPM]Q [m /h] Hz115/230 VCOMFORT 10-16 (T) B(N)5 LCCOMFORT 10-16 BUOperating conditions6 COMFORT22. Operating conditionsPumped liquids Thin, clean, non-aggressive and non-explosive liquids without solid particles or fibres Cooling liquids, not containing mineral oil Domestic hot water Softened kinematic viscosity of water is 1 mm2/s (1 cSt) at 20 C (68 F) If the pump is used for a liquid with a higher viscosity, the hydraulic performance of the pump will be : 50 % glycol at 20 C (68 F) means a viscosity of approximately 10 mm2/s (10 cSt), reducing pump performance by approximately 15 %.

6 When selecting a pump, the viscosity of the pumped liquid must be taken into temperatureLiquid temperature range: 2 to 95 C (36 to 203 F).Operating temperatureWe recommend that you keep the operating temperature around 50 C (122 F) to minimise buildup of lime deposits. Be aware of the risk of legionella temperatureThe ambient temperature must always be lower than the liquid temperature to minimise condensation in the stator housing, and not exceed 40 C (104 F).PressuresSystem pressureMaximum system pressure (PN 10): MPa (10 bar/145 psi).

7 Inlet pressureTo prevent cavitation noise and damage to the pump bearing, a minimum inlet pressure of bar ( psi) (5 m head) is required at the pump inlet locationIndoors, in a non-aggressive and non-explosive humidity: Maximum 95 %.Functions7 COMFORT33. FunctionsCOMFORT with AUTOADAPTCOMFORT BA PM and BXA PM models have the following operation modes: AUTOADAPT mode temperature control mode continuous 100 % modeThe AUTOADAPT function adapts the operating hours by switching on and off according to the tapping pattern of the users.

8 This means that the pump provides maximum COMFORT and saves energy at the same AUTOADAPT function saves energy in two ways: Electrical energy consumption of the pump Heat energy consumption of the domestic hot-water AUTOADAPT function automatically adjusts the number of operating hours, based on the hot-water consumption in the given AUTOADAPT function requires a temperature sensor to be installed on the flow pipe 20 to 50 cm from the boiler outlet. This sensor and the temperature sensor incorporated in the pump detect when hot water is tapped.

9 The detected tapping events are logged and used to predict the consumption pattern. The AUTOADAPT function automatically controls the on/off behaviour of the pump according to this pattern. This ensures that the pump only runs when necessary, which saves both heat energy and electrical pump needs two weeks to adapt when hot water is tapped. This means that the pump starts up in temperature mode the first two weeks even if you have selected 8 COMFORT BA PM or BXA PM pump with built-in temperature sensorAUTOADAPT in heating systems regulated with a thermostatic regulating valve In systems including a thermostatic regulating valve, choose a COMFORT pump without the AUTOADAPT a pump with AUTOADAPT function will result in two active regulating systems working separately, which is not.

10 If a pump with AUTOADAPT function is installed in a circulation system where the temperature of the recirculated water is regulated by a thermostatic regulating valve, we recommend that you open the thermostatic regulating valve completely. This is done by setting the valve to max., which deactivates its regulating 9 Example of an application with thermostatic regulating valveControl functionThe control function is a combination of three parameters: detection of hot-water consumption event log function (when the demand occurs) pump of hot-water consumptionThe detection of hot-water consumption is done via the temperature sensor installed in the flow pipe.