E.2 Series High efficiency circulator Installation and operating instructions File No: 10.84 Date: july 04, 2018 Supersedes: 10.
contents 1.0 Operating limits 4 2.0 Electrical wiring 4 3.0 Start up 5 4.0 Preventive maintenance – inspection 5 5.0 Pump replacement in an existing installation 6 5.1 Complete pump 6 5.2 Motor end only 6 6.0 Mechanical seal replacement 6 7.0 e.
i n s ta l l at i o n & o p e r at i n g i n s t r u c t i o n s E.2 Series high efficiency circulator 4 read carefully before installing & oper ating the circulator installer: please leave this manual for the owner’s use You are about to install an e. 2 series circulator – a high– efficiency pump from Armstrong. e. 2 series circulators are designed for heating and cooling in hydronic, geothermal or solar systems and circulating water, ethylene or propylene glycol/water solutions.
E.2 Series high efficiency circulator i n s ta l l at i o n & o p e r at i n g i n s t r u c t i o n s 5 6 For 120 v models: Referring to diagram 2 below, connect the black, hot, (L) and white, neutral, (N) leads of the supply wire to the black and white motor leads respectively inside the terminal box. Connect the ground wire to any one of the four green ground screws inside of the terminal box (use a minimum 18 awg wire size).
i n s ta l l at i o n & o p e r at i n g i n s t r u c t i o n s E.2 Series high efficiency circulator 6 5 .0 pump replacement in an existing installation 5 .1 complete pump 1 Ensure that electric power is disconnected and locked out. Loosen the screw from the terminal box cover and remove the cover. Disconnect the supply wires from the circulator only, leaving the capacitor wires connected. All servicing personnel should be equipped with proper personal protective equipment.
E.2 Series high efficiency circulator i n s ta l l at i o n & o p e r at i n g i n s t r u c t i o n s 7 5 Remove the face plate from the motor by gently prying it off of the motor housing extension, and carefully pulling it straight up, avoiding any shaft contact. 6 Remove the stationary part of the seal by gently prying it off the steel faceplate. 7 Remove any corrosion present on the stainless steel motor shaft and face plate (especially the seal seat area) with a non-metallic brush or scrub pad.
i n s ta l l at i o n & o p e r at i n g i n s t r u c t i o n s E.2 Series high efficiency circulator 8 7.0 product family specification 50 hz e. 2 series models Hydraulic data model e7.2/ e7.2b e9.2/ e9.2b e12.2/ e12.2b e14.2/ e14.2b e22.2/ e22.2b e33.2/ e33.2b Nominal Hydr. Power (watts) 105 105 252 252 252 252 Max Flow (L/sec.) 1.9 1.8 2.7 2.8 4.9 7.9 Max Head (m) 5.3 7.7 10.6 11.4 8.7 6.3 Max. Efficiency (bep%) 22.5 26.4 31.2 32.4 40.7 42.1 Max.
