Product data

9
• The 50RLP model nomenclature is used to customize
the control panel options to control all WSHP system
requirements.
• Panel can be ordered to include 2, 4, 6, or 8 stages of
system heat rejection.
• Panel can be ordered to include 2, 4, 6, or 8 stages of
system heat addition.
• Panel can be ordered with unique WSHP zone opera-
tion capabilities for stand-alone systems (i.e., noncom-
municating) to control 10 or 18 zones of WSHP units.
• Panel can be ordered to control variable frequency cool-
ing tower fan operation.
• System pumping operation can be configured for start/
stop, lead/lag, or variable frequency pump operation.
• Direct Digital Controls (DDC) compatible using the Car-
rier Comfort Network
®
(CCN) and WSHP units utilizing
PremierLink™ CCN controllers.
Carrier’s line of Aquazone thermostats are both
attractive and multi-functional, accommodating stand-
alone water source heat pump installations.
Programmable 7-day thermostat
— Thermostat offers
2-stage heat, 2-stage cool, auto changeover, 7-day pro-
grammable with copy command, 4 settings per day, fully
electronic, 24 vac, backlit LCD, keypad lockout, no
batteries required, 5-minute compressor protection,
NEVERLOST™ memory, 3 security levels, and tempera-
ture display in degrees F or C.
Programmable 7-day light-activated thermostat
— Ther-
mostat offers same features as the 7-day programmable
thermostat and includes occupied comfort settings with
lights on, unoccupied energy savings with lights off.
Programmable 7-day flush-mount thermostat
— Thermo-
stat offers same features as the 7-day programmable
thermostat and includes locking coverplate with tamper
proof screws, flush to wall mount, holiday/vacation
programming, set point limiting, dual point with adjustable
deadband, O or B terminal, and optional wall or
duct-mounted remote sensor.
Programmable 5-day thermostat
— Thermostat offers
2-stage heat, 2-stage cool, auto changeover, 5-minute
built-in compressor protection, locking cover included,
temperature display in degrees F or C, keypad lockout,
backlit display, 5-1-1 programming, O or B terminal, dual
set point with adjustable deadband, configurable display,
self-prompting program, and 4 settings per day.
Non-programmable thermostat
— Thermostat offers
2 heat stages, 2 cool stages, auto changeover, 5-minute
built-in compressor protection, locking cover included,
temperature display in degrees F or C, keypad lockout,
large display, backlit display, O or B terminal, dual set
point with adjustable deadband, and backplate with termi-
nals.
UC Open XP loop controller with six stages (2 stages
for heating and 4 stages for cooling) includes:
• Loop temperature alarms
• Two pump single loop flow monitoring with the ability
to manually select the lead pump
• One common alarm signal and indicating light and one
audible alarm
• Loop water temperature sensor test circuit
• Functional test simulation from operator keypad
• Real timeclock, industrial noise ratings
• Loop water temperature control switch
Filter rack (2 in.) is available in place of the standard
1-in. return air filter to enhance the filtration system of the
water source heat pump. The 2-in. filter rack does not
include filters.
Fire-rated hoses are 2 ft long and have a fixed MPT on
one end and a swivel with an adapter on the other end.
Hose kits are provided with both a supply and return hose
and can be either stainless steel or galvanized. Two sizes
are available (
3
/
4
and 1 in.).
Ball valves (brass body) are used for shutoff and balanc-
ing water flow and are available with memory, memory
stop, and pressure temperature ports. Ball valves consist of
UL-listed brass body, ball and stem type with Teflon* seats
and seals. Two sizes are available (
3
/
4
and 1 in.).
Y strainers (bronze body) are “Y” type strainers with a
brass cap. With a maximum operating pressure rating of
450 psi, the strainer screen is made of stainless steel and is
available with blow down valves. Two sizes are available
(
3
/
4
and 1 in.).
Solenoid valves (brass body) offer 3.5 watt coil,
24 volt, 50/60 Hz, 740 amps inrush, .312 amps holding.
Solenoid valves have slow operation for quiet system appli-
cation. Two sizes are available (
3
/
4
and 1 in.).
Hose kit assemblies provide all the necessary compo-
nents to hook up a water-side system. Supply hose
includes a ported ball valve with pressure temperature
(P/T) plug ports, flexible stainless steel hose with swivel
and nipple. Return hose includes a ball valve, preset auto-
matic balancing valve (gpm) with two P/T ports, flexible
stainless steel hose with a swivel and nipple, balancing
valve, and low-pressure drop water control valve.
Remote sensors are available for Aquazone flush-mount
thermostats and for wall (wired and wireless) or duct
mounted applications.
SPT Standard
offers space temperature sensor with com-
munication port.
SPT Plus
offers space temperature sensor with set point
adjust, local override with indicating light and communica-
tion port.
SPT Pro
offers space temperature sensor with LCD dis-
play, set point adjust, local override, alarm icon, outside
air, and unit status with heating and cooling set points.
SPT Pro+
offers space temperature sensor with LCD dis-
play, set point adjust, local override, alarm icon, outside
air, unit status with heating and cooling set points, and fan
speed control.
LON wall sensors
are available in 3 models: sensor only,
sensor with status override indicator, and sensor with set
point, status adjustment override, and digital LCD display.
PremierLink™ accessories are available for providing a
fully integrated WSHP DDC system. Accessories include
supply air temperature sensors (with override and/or set
point adjustment), communicating room sensors, CO
2
*Registered trademark of DuPont.