M-vintage twin circuit horizontal water source heat pumps are ceiling-hung in hallways and other corridors, away from the occupied space for reduced sound and to allow easier service access.  Twin circuit units provide the opportunity to serve larger spaces with a single unit. Mammoth offers some of the most compact horizontal water source heat pump units in the industry with critical components located to provide easy maintenance and service access in a horizontal application.  

Basic Features and Benefits:

• Four units from 6 to 12 tons
• R-410A refrigerant
• EER up to 15.0 and COP rating to 4.8
• Standard or geothermal operation
• Fully run-tested with water in both heating and cooling modes
• UL and ETL listed
• Efficient, quiet scroll compressors on all units
• Optional digital scroll lead compressor provides superior part load operation (down to 10% load) and eliminates the need for hot gas bypass
• Factory-installed variable frequency drive (VFD) is standard for all unit sizes
• FANWALL TECHNOLOGY^® allows higher static pressure operation required for MERV 13 filtration, providing an opportunity to earn a point toward LEED^® certification
• Available with left or right hand water connections to match application requirements
• Insulated cabinet with removable access panels for easy service
• HP-5 microprocessor-based control system including condensate overflow protection
• Optional EPiC™  DDC controls provide for optimum performance using the control scheme or building management system and protocol of your choice

For more information,  contact your local representative.

ISO 13256-1 Performance Data - Water Loop (Boiler Tower)

¹ Rated in accordance with ISO 13256-1 – Boiler/Tower.  Cooling capacity is based on 80.6^°F db, 66.2^°F wb (27/19^°C) entering air temperature and 86^°F (30^°C) entering water temperature.  Heating capacity is based on 68^°F (20^°C) entering air temperature and 68^°F (20^°C) entering water temperature. For exact dimensional data, contact your local representative for a selection.

ISO 13256-1 Performance Data - Ground Loop (Geothermal)

¹ Rated in accordance with ISO 13256-1 – Ground Loop.  Cooling capacity is based on 80.6^°F db, 66.2^°F wb (27/19^°C) entering air temperature and 77^°F (25^°C) entering water temperature.  Heating capacity is based on 68^°F (20^°C) entering air temperature and 32^°F (0^°C) entering water temperature. For exact dimensional data, contact your local representative for a selection.

GPM = Gallons Per Minute, EDB = Entering Dry Bulb (ºF), EWB = Entering  Wet Bulb (ºF), EWT = Entering Water Temperature (ºF),  Q_t = Capacity Total (BTUH), Q_s = Capacity Sensible (BTUH), EER = Energy Efficiency Ratio, COP = Coefficient of Performance