oTherm Database Fields

Data Element

Units

Name

Type

Timestamp

UTC

Datetime

time

1

GSHP compressor

W

heatpump_power

electric power

2

Auxiliary back up heat (Electric)

W

heatpump_aux

electric power

3

Entering water temperature

⁰F

source_supplytemp

temperature

4

Leaving water temperature

⁰F

source_returntemp

temperature

5

Source temperature difference

⁰F

source_tempdiff

temperature difference

6

Source fluid pump power

W

sourcefluid_pump_power

electric power

7

Source fluid flow rate

gpm

sourcefluid_flowrate

fluid flow rate

8

Load circulating pumps/fan

W

load_pumpsfans

electric power

9

Load supply temperature

⁰F

load_supplytemp

temperature

10

Load return temperature

⁰F

load_returntemp

temperature

11

Load temperature difference

⁰F

load_tempdiff

temperature difference

12

Thermostat set point

⁰F

tstat_set

equipment state

13

Thermostat temp

⁰F

tstat_temp

equipment state

14

Percent full load

%

compressor_stage

equipment state

15

Heat meter load

BTU

loadside_heat

thermal energy

16

Heat meter ground loop

BTU

sourceside_heat

thermal energy