1. Design of Ground Source Heat Pump (G.S.H.P) System installation

Building type:

Family Residence

Location:

Mountbellew, Co. Galway

Year of construction:

2004-2005

Type of construction

Block & Internal dry lining insulation

Total Floor area (m2)

190 m²

Number of storeys:

2

Type of heat distribution system:

Forced air ventilation

% of total floor area heated:

100%

Design outdoor temperature (ºC)

Heating:

-3

Cooling:

- N/A

Design indoor temperature (ºC)

Heating:

21

Cooling:

- N/A

Heating and cooling Loads

Application:

Space heating only

Heat pump type(s):

Water-to-air

Manufacturer

Waterfurnace

Cooling:

-

Model

EKW08

Heat pump installed capacity (KW)

Heating: 8Kw

Refrigerant:

R-410A

Heat source

Ground

Details (circulating pumps):

245 W (ground-source) + 200W (Fan or air only)

a) Type of ground heat exchanger:

Horizontal collector

b) Trench depth (m):

1 m

c) Pipe length (m):

600m

d) Heat transfer fluid:

Water/glycol 20%

Distribution system(s):

Cooling:

- Available

Supply and return temperature (ºC)

18/30 air

  24/15 air

Hot water capacity

300 L

Auxiliary system:

None

Heat pump design:

100% of heat loss – but probably higher as the insulation is extremely well done

Supplementary system:

Open fireplaces

Ventilation

Integrated heat recovery ventilation

Heat pump system completion date:

Early / mid 2005