AHI Carrier Catalog | Page 411

HIGH-TEMPERATURE AIR-TO-WATER HEAT PUMPS  61AF 022-105 Heating System Manager (HSM) This accessory allows improved integration of the 61AF heat pump to maximise the energy efficiency performance. With three system levels for nine typical configurations, most heating only applications are covered - from the simplest to the most complex, such as interfacing with a district heating system. The control box can supply all auxiliary devices such as the circulating pumps or the mixing or switching valves. The heat pump is controlled by a CCN bus and the control box includes an NRCP2-BASE board, a ProDialog interface as well as all required sensors. Each of these accessory configurations is described in detail the installation manual for this accessory: -- Choice of control options (on/off volt-free contact or 0-10 V signal for increased performance), -- Domestic hot water production temperature control and distribution. HEATING Control box Control box dimensions 603 Installation safety notes • The hydronic installation must be carried out by qualified personnel in accordance with applicable laws and following standard accepted practices. The hydronic installation must be regularly serviced. An incorrect hydronic installation that does not comply with the safety, electrical and thermal standards, as well as lacking/poor maintenance can lead to excessive pressures and cause piping breaks. • • 25 536 33 1,5 170 382 442 17 416 17 559 AIR TREATMENT 180 120 52 20,5 400 1 CONTROLS 10 Legend: All dimensions are in mm. 1 Clearance required to open the door and for customer connection C A R R I E R 2 0 1 6 / 2 0 1 7 411