Maritime Geothermal Ltd.nordicghp.com

• Geothermalforcedairheatingandcooling• Radiantin-floorheating• Fieldselectableairorwaterpriority• Desuperheaterfordomestichotwater

• COPupto5.2• Availableinsizes2to6nominaltonsfor

wholehomeapplications• Openorclosedloop

TFSeriesWater-to-Air&WaterHeatPump

The Triple Function Series features air heating and air conditioning controlled by an air thermostat, and hydronic heating controlled by an aquastat. User can set the priority to be air or water heating.

Maritime Geothermal Ltd.nordicghp.com

TFSeries

Features&Benefits

R410a - Environmentally friendly, non-ozone-depleting refrigerant.Fan - Oversized blower for quiet operation. Motor is constant airflow variable speed ECM, serviceable from one side, field changeable from top to side discharge.Filter Rack - Filter can be changed from either side.Drip Tray - Corrosion proof with internally trapped clear vinyl drain. 3/4” PVC socket connection.Compressor - Copeland Ultratech® high efficiency two-stage scroll, with double isolation for quiet operation.Hard Start Kit - Standard on all single phase models.TXV - Expansion valve maintains maximum capacity under all operating conditions.Filter Dryer - Standard on all units.Sight Glass - Standard on all units.Accumulator - Protects compressor against liquid slugging.Coaxial Heat Exchangers - Heavy duty for reliability, enhanced surface for efficiency (CuNi available).Domestic Hot Water - Double wall heat exchanger and bronze head circulator factory installed.Cabinet - Satin galvanized, powder coat paint, and acoustically insulated for quiet operation.Loop or Well - Unit pre-wired for operation on a closed loop or a water well.

StandardCapacityRatingsforOpenLoop(60Hz)RatingConditions Model Tons Flow

(GPM)

OutdoordP

(psi)Mode

HeatingCapacity(Btu/hr)

InputEnergy (Watts)

COPh(Heating)

Cooling Capacity(Btu/hr)

InputEnergy(Watts)

COPc(Cooling) EER

Open LoopHeating EWT 50°FCooling EWT 59°F

45 3 9.6 4.9 Stage 1 26,900 1,500 5.26 33,900 895 11.11 37.90Stage 2 40,200 2,480 4.75 45,600 1,640 8.16 27.84

55 4 12.0 4.6 Stage 1 37,800 2,315 4.78 43,300 1,525 8.31 28.35Stage 2 51,500 3,305 4.57 56,000 2,515 6.52 22.24

65 5 14.4 5.6 Stage 1 44,100 2,645 4.89 51,300 1,760 8.53 29.10Stage 2 60,400 3,790 4.67 66,700 2,950 6.63 22.62

75 6 16.8 5.0 Stage 1 54,200 3,610 4.40 61,100 2,485 7.21 24.60Stage 2 71,400 4,880 4.29 76,600 3,875 5.79 19.75

80 6 16.8 5.0 Stage 1 77,100 5,600 4.04 84,100 4,350 5.66 19.31Stage 2

StandardCapacityRatingsforClosedLoop(60Hz)

Closed LoopHeating EWT 32°F(Stg 1 EWT 41°)Cooling EWT 77°F(Stag 1 EWT 68°F)

45 3 9.6 5.5 Stage 1 23,600 1,550 4.47 32,600 1,060 9.04 30.84Stage 2 31,700 2,290 4.06 44,100 1,965 6.57 22.41

55 4 12.0 5.1 Stage 1 33,500 2,250 4.37 41,600 1,750 6.97 23.78Stage 2 39,500 3,000 3.86 51,700 3,015 5.02 17.12

65 5 14.4 6.3 Stage 1 39,000 2,615 4.37 49,400 2,025 7.14 24.36Stage 2 47,800 3,510 3.99 60,500 3,500 5.06 17.26

75 6 16.8 5.9 Stage 1 48,400 3,600 3.94 58,200 2,790 6.11 20.84Stage 2 57,200 4,465 3.75 69,700 4,460 4.58 15.62

80 6 16.8 5.9 Stage 1 61,900 5,155 3.52 77,200 5,235 4.32 14.74Stage 2