Heat Pump Controller
Heat Pump Controller8733819577 (2019/02) Subject to change without prior notice
34 | Terminology
TERMINOLOGY
Acronyms
AHJ — Authority Having Jurisdiction
APP — Application
ASC — Anti-Short Cycle
CFM — Cubic Feet per Minute
CLG — Cooling
CS1/2 — Compressor Stage 1/2
DAT — Discharge Air Temperature
DRT — Discharge Refrigerant Temperature
DWT — Domestic Water Temperature
EWT — Entering Water Temperature
FZC — Freeze Coax Temperature
HP — Heat Pump
HPC — Heat Pump Controller
HPEEPROM — Heat Pump Electrically-Erasable
Programmable Read-Only Memory
HPS — High-Pressure Switch
HRP — Heat Recovery Package
HTG — Heating
IOM — Installation, Operation, and Maintenance Manual
LED — Light Emitting Diode
LLWPC — Low-Loop Water Protection Control
LPS — Low-Pressure Switch
LWT — Leaving Water Temperature
NO — Normally Open
PCB — Printed Circuit Board
PCBA — Printed Circuit Board Assembly
QR — Quick Response
(R/A) — Return Air
RAT — Return Air Temperature
RH — Relative Humidity
RHS — Relative Humidity Sensor
RTC — Real-Time Clock
SSID — Service Set Identifier
WDT — Watch Dog Timer
Wi-Fi — Wireless Network
WIM — Wireless Interface Module
Terms
Conditioned space — Space within a building provided
with heated or cooled air or both (or surfaces) and,
where required, with humidification or dehumidification
means to maintain conditions for an acceptable thermal
environment.
Decommissioning — Means the final shut-down and
removal from operation or usage of a product or piece
of equipment containing fluorinated greenhouse gases.
Discharge Pressure — Referring to the pressure leaving
compressor
Reclamation — Means the reprocessing of a recovered
fluorinated greenhouse gas in order to match the
equivalent performance of a virgin substance, taking
into account its intended use.
Recovery — Referring to the collection and storage of
fluorinated-greenhouse gases from products (including
containers and equipment) during maintenance or
servicing or prior to the disposal of the products or
equipment.
Recycling — Referring to the reuse of a recovered
fluorinated-greenhouse gas following a basic cleaning
process.
Repair — Referring to the restoration of damaged or
leaking products or equipment that contain, or whose
functioning relies upon, fluorinated-greenhouse gases,
involving a part containing or designed to contain such
gases.
Suction Pressure — Referring to the pressure entering
compressor
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