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50KQL CONTROL OPTIONS TABLE
LEGEND
Field-installed accessories
Carrier’s line of Aquazone™ thermostats (used with
remote thermostat units) are both attractive and multi-
functional, accommodating stand-alone water source heat
pump installations.
Programmable 7-day thermostat
— Offers 2-stage heat,
2-stage cool, auto changeover, 7-day programmable 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, temperature display in degrees F or C.
Programmable 7-day light-activated thermostat
— Offers
same features as the 7-day programmable thermostat and
includes occupied comfort settings with lights on, unoccu-
pied energy savings with lights off.
Programmable 7-day flush-mount thermostat
— 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 termi-
nal, and optional wall or duct-mounted remote sensor.
Programmable 5-day thermostat
— Offers 2-stage heat,
2-stage cool, auto changeover, 5-minute built-in compres-
sor 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 adjust-
able deadband, configurable display, self-prompting pro-
gram, 4 settings per day.
Non-programmable 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, back-lit dis-
play, O or B terminal, dual set point with adjustable dead-
band, backplate with terminals.
Aquazone system control panel includes a pre-
programmed, easy to use, Carrier Comfort Controller set
up for a WSHP system.
• Coordinates, monitors, and controls all WSHP units
and ancillary equipment including cooling towers, boil-
ers, and system pumps.
• 50RLP model nomenclature is used to customize the
panel 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 operation
capabilities for stand alone systems (i.e., non-communicating)
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 Control compatible using the Carrier
Comfort Network (CCN) and WSHP units utilizing
PremierLink CCN controllers.
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. Five sizes
are available (
1
/
2
,
3
/
4
, 1, 1
1
/
4
, 1
1
/
2
in.).
Ball valves (brass body) used for shutoff and balancing
water flow. Available with memory, memory stop, and
pressure temperature ports. UL-listed brass body, ball and
stem type with Teflon seats and seals. Five sizes are avail-
able (
1
/
2
,
3
/
4
, 1, 1
1
/
4
, 1
1
/
2
in.).
Y strainers (bronze body) are “Y” type strainers with a
brass cap. Maximum operating pressure rating of
450 psi. Strainer screen made of stainless steel. Available
with blow down valves. Five sizes are available (
1
/
2
,
3
/
4
, 1,
1
1
/
4
, 1
1
/
2
in.).
Solenoid valves (brass body) offer 3.5 watt coil,
24 volt, 50/60 Hz, 740 amps inrush, .312 amps holding.
Slow operation for quiet system application. Five sizes are
available (
1
/
2
,
3
/
4
, 1, 1
1
/
4
, 1
1
/
2
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. Sensors are available for wall (wired and wire-
less) or duct mounted applications.
PremierLink™ accessories are available to provide a
fully integrated WSHP DDC system. Accessories include
supply air temperature sensors (with override and/or set-
point adjustment), communicating room sensors, CO
2
sen-
sors (for use in demand control ventilation), and linkage
thermostats (to control multiple units from one thermostat).
OPTION CONTROLLER THERMOSTAT FUNCTIONS TRANSFORMER
A Complete C MCO — 50 VA
B Deluxe D MCO NIGHT LOW LIMIT 2-HR OVERRIDE 75 VA
C Complete C ACO — 50 VA
D Deluxe D ACO NIGHT LOW LIMIT 2-HR OVERRIDE 75 VA
P Complete C with PremierLink™ LINKAGE DDCSYSTEM 50 VA
R Complete C REMOTE — 50 VA
S Deluxe D REMOTE
NIGHT LOW LIMIT2-HR
OVERRIDE
75 VA
ACO — Auto Changeover
DDC — Direct Digital Controls
MCO — Manual Changeover