Heat
Pump
/
ESCO Exam Questions With Correct Answers
/ / / / / /
An /air-to-
air
/heat
/pump
/has
/many
/of
/the
/same
/components
/as
/an
/air
/conditioning
/system. /The /major /difference /is /that /a /heat /pump /also /has /an /- /verified /answer(s)-
✔✔Reversing /valve
What /is /the /difference /between /"demand /defrost" /and /"timed /defrost"? /- /verified /answer(s)-
✔✔Demand
/defrost /happens /only /when /needed /and /timed /defrost /is /based /on /time/temperature.
The
/thermostat
/that
/controls
/the
/auxiliary
,electric /heat /according /to /the /outdoor /temperature /is /called /the; /- /verified /answer(s)-
/
✔✔Outdoor /ambient /thermostat
The
/outdoor
/temperature
/at
/which
/the
/heat
/pump
/provides
/the
/same
/amount
/of
/heat
/as
/the
/heat
/loss
/of /the /conditioned /space /without /an /auxiliary /heat /is /known /as /the; /- /verified /answer(s)-
✔✔Initial /balance /point
At /what /temperature /is /an /outdoor /ambient /thermostat /normally /set? /- /verified /answer(s)-
✔✔Slightly /above /the /initial /balance /point.
The
/outdoor
/coil /is /frozen /solid /on /a /"no /heat" /service /call. /The /most /likely /reason /is; /- /verified /answer(s)-
✔✔The /outdoor /fan /is /inoperative.
In
/order
, to /determine /a /heat /pumps' /balance /point, /you /must /first /calculate; /- /verified /answer(s)-
/
✔✔The /building's /heat /load.
When /
a /heat /pump /is /used /for /heating /and /cooling, /the /system /is /sized /by /the; /- /verified /answer(s)-
✔✔Cooling /load.
A
/high
/efficiency
/heat
/pump
/system
/designed
/to
/function /from /high /to /low /ambient /conditions /below /10*F, /may /have? /- /verified /answer(s)-
✔✔Two /outdoor /coils /with /each /one /incorporating /a /dual /stage /compressor.
Room /thermostats /for /heat /pumps /should /be /installed; /- /verified /answer(s)-
✔✔As /near /to /the /main /return /air /grill /as /possible.
When
/the
/heat
/pump
/compressor
/has
/malfunctioned, /the /customer /has /the /option /to /switch /the /system /into; /- /verified /answer(s)-
✔✔Emergency /heat /mode.
Start
/up
/with /
Pump
/
ESCO Exam Questions With Correct Answers
/ / / / / /
An /air-to-
air
/heat
/pump
/has
/many
/of
/the
/same
/components
/as
/an
/air
/conditioning
/system. /The /major /difference /is /that /a /heat /pump /also /has /an /- /verified /answer(s)-
✔✔Reversing /valve
What /is /the /difference /between /"demand /defrost" /and /"timed /defrost"? /- /verified /answer(s)-
✔✔Demand
/defrost /happens /only /when /needed /and /timed /defrost /is /based /on /time/temperature.
The
/thermostat
/that
/controls
/the
/auxiliary
,electric /heat /according /to /the /outdoor /temperature /is /called /the; /- /verified /answer(s)-
/
✔✔Outdoor /ambient /thermostat
The
/outdoor
/temperature
/at
/which
/the
/heat
/pump
/provides
/the
/same
/amount
/of
/heat
/as
/the
/heat
/loss
/of /the /conditioned /space /without /an /auxiliary /heat /is /known /as /the; /- /verified /answer(s)-
✔✔Initial /balance /point
At /what /temperature /is /an /outdoor /ambient /thermostat /normally /set? /- /verified /answer(s)-
✔✔Slightly /above /the /initial /balance /point.
The
/outdoor
/coil /is /frozen /solid /on /a /"no /heat" /service /call. /The /most /likely /reason /is; /- /verified /answer(s)-
✔✔The /outdoor /fan /is /inoperative.
In
/order
, to /determine /a /heat /pumps' /balance /point, /you /must /first /calculate; /- /verified /answer(s)-
/
✔✔The /building's /heat /load.
When /
a /heat /pump /is /used /for /heating /and /cooling, /the /system /is /sized /by /the; /- /verified /answer(s)-
✔✔Cooling /load.
A
/high
/efficiency
/heat
/pump
/system
/designed
/to
/function /from /high /to /low /ambient /conditions /below /10*F, /may /have? /- /verified /answer(s)-
✔✔Two /outdoor /coils /with /each /one /incorporating /a /dual /stage /compressor.
Room /thermostats /for /heat /pumps /should /be /installed; /- /verified /answer(s)-
✔✔As /near /to /the /main /return /air /grill /as /possible.
When
/the
/heat
/pump
/compressor
/has
/malfunctioned, /the /customer /has /the /option /to /switch /the /system /into; /- /verified /answer(s)-
✔✔Emergency /heat /mode.
Start
/up
/with /
