Carrier 40RMQ, Данные о продукции

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F. Field-Installed Accessories:
1. Hot Water Coil:
Coil shall be 2-row, U-bend coil with copper
tubes and aluminum plate fins bonded to the
tubes by mechanical expansion. Coil shall be
mounted in a galvanized steel housing that shall
be fastened to the unit’s fan deck for blow-thru
heating operation. Coil shall have maximum
working pressure of 150 psig.
2. Steam Distributing Coil:
Coil shall consist of one row of copper tubes
with aluminum plate fins, and shall have inner
steam distributing tubes. Coil shall be mounted
in a galvanized steel housing and shall be fas-
tened to the unit’s fan deck for blow-thru heat-
ing operation. Coil shall have maximum
working pressure of 175 psig at 400 F.
3. Electric Heaters:
Heaters for nominal 240, 480, or 575-volt,
3-phase, 60 Hz power supply shall be factory-
supplied for field installation as shown on the
equipment drawings. Electric heat assembly
shall be ETL and ETL, Canada, agency
approved, and shall have single-point power
wiring. Heater assembly shall include contactors
with 24-v coils, power wiring, 24-v control
wiring terminal blocks, and a hinged access
panel.
4. Air Discharge Plenum:
Plenum shall be factory supplied to provide
free-blow air distribution for vertical floor-
mounted units. A grille with moveable vanes for
horizontal or vertical airflow adjustment shall be
included. Plenum housing shall be field-installed
on the unit’s fan deck for blow-thru air distribu-
tion.
5. Return Air Grille:
Grille shall be factory supplied for field installa-
tion on the unit’s return air opening.
6. Unit Subbase:
Subbase assembly shall be factory supplied for
field installation. Subbase shall elevate floor-
mounted vertical units to provide access for cor-
rect condensate drain connection.
7. Economizer:
Economizer for ventilation or “free” cooling
shall be factory provided for field installation.
For free cooling applications, economizer shall
be compatible with factory-supplied thermostat;
economizer dampers shall open when outdoor
air enthalpy is suitable for free cooling. Econo-
mizer shall be compatible with factory-supplied
CO
2
sensor; economizer dampers shall open
when indoor CO
2
level rises above predeter-
mined set point. Economizer shall include
enthalpy control and damper actuator.
8. Thermostat Controls:
a. Programmable multi-stage thermostat with
7-day clock, holiday scheduling, large backlit
display, remote sensor capability, and Title
24 compliance.
b. TEMP System programmable communicat-
ing multi-stage thermostat with fan switch,
timeclock, LCD display, °F/°C capability,
and CCN (Carrier Comfort Network) com-
patibility.
c. Commercial Electronic Thermostat with
7-day timeclock, auto-changeover, multi-
stage capability, and large LCD temperature
display.
d. Non-programmable thermostat with fan
switch subbase.
9. Overhead Suspension Package:
Package shall include necessary brackets to
support units in a horizontal ceiling installa-
tion.
10. CO
2
Sensor:
Sensor shall provide the ability to signal the
economizer to open when the space CO
2
level
exceeds the predetermined set point. Sensor
shall have the capability of being connected to
Comfort System relay pack or to economizer
using field-supplied and installed Honeywell dc
adapter no. Q769C1004.
11. Condensate Drain Trap:
Trap shall have transparent, serviceable design
for easy cleaning. Kit shall also include overflow
shutoff switch and wiring harness for connec-
tion to alarm if desired.