Carrier Weathermaker – 50KC Commercial Rooftop Units
50KC WEATHERMAKER® rooftop unit were designed by customers for customers. With a gauge plug, centralized control center, plug & play accessory board, “no-strip screw” collars, and handled access panels, we’ve made the unit easy to install, easy to maintain, and easy to use. Units are pre-wired and pre-charged with Puron® (R-410A) refrigerant at the factory. The units are factory tested in cooling mode.
Description
Performance Features
- ASHRAE 90.1 compliant
- Single-stage cooling capacity control
- Up to 14.1 SEER and 12.0 EER
- Cooling operating range up to 115 °F (46°C) and down to 25°F (-4°C) using winter start kit
- Innovative non-corrosive composite condensate pan in accordance with ASHRAE 62 Standard, sloping design; side or center drain
- Pre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection
Maintenance Features
- Control terminal board facilitating simple safety circuit troubleshooting and simplified control box arrangement
- Access panels with easy grip handles
- Innovative, easy starting, no-strip screw feature on unit access panels
- Tool-less filter access door
- Optional hinged access panels also available
- Direct Drive – ECM indoor fan motor standard with optional belt drive systems available
- Two-inch disposable return air filters
Installation Features
- Same footprint as installed Carrier 3-5 ton rooftops back to 1989, reducing installation costs and time
- Field convertible from vertical to horizontal airflow configuration
- Provisions for thru-the-bottom power entry capability as standard
- Single point gas, electric, and controls connections
- Full perimeter base rail with built-in rigging adapters and fork truck slots
Reliability Features
- Scroll compressors with internal line-break overload protection
- 24-volt control circuit protected with resettable circuit breaker
- Permanently lubricated evaporator-fan motor
- Totally enclosed condenser motors with permanently lubricated bearings
- Low pressure and high-pressure switch protection
- Liquid line filter drier as standard
Standard Limited Warranty
- 5 years parts only electric heater
- 5 years parts only compressor
- One year parts only on all other parts
- Additional extended warranty packages available
Options
<table class="table table-striped table-condensed" border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr class="odd">
<td></td>
<td><strong>Factory-Installed</strong></td>
<td><strong>Field-Installed</strong></td>
</tr>
<tr>
<td colspan="3"><strong>Cabinet</strong></td>
</tr>
<tr class="odd">
<td>Thru the base electrical or gas line connections</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>Hinged access panels</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Coil Options</strong></td>
</tr>
<tr>
<td>Cu/Cu indoor and/or outdoor coils</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td>Pre-coated outdoor coils</td>
<td>X</td>
<td></td>
</tr>
<tr>
<td>Premium, e-coated outdoor coils</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Humidity Control</strong></td>
</tr>
<tr>
<td>Humidi-MiZer adaptive dehumidification system (3-phase models only)</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Condenser Protection</strong></td>
</tr>
<tr>
<td>Condenser coil hail guard (louvered design)</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Controls</strong></td>
</tr>
<tr>
<td>Thermostats, temperature sensors and subbases</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td>PremierLink DDC communicating controller</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>RTU Open multi-protocol controller</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td>Smoke detector (supply and/or return air)</td>
<td>X</td>
<td></td>
</tr>
<tr>
<td>Time Guard II compressor delay control circuit</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td>Filter status switch</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td>Fan status switch</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Economizers & Outdoor Air Dampers</strong></td>
</tr>
<tr>
<td>EconoMi$er IV (for electro-mechanical controlled RTUs)</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td>EconoMi$er X (for electro-mechanical controlled RTUs with CA Title 24 FDD)</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>EconoMi$er 2 (for DDC controlled RTUs)</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td>Ultra-low leak economizer dampers</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>Motorized 2-position outdoor air damper</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td>Manual outdoor dir damper</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td>Barometric relief</td>
<td>X</td>
<td>X</td>
</tr>
<tr class="odd">
<td>Power exhaust</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td colspan="3"><strong>Economizer Sensors & IAQ Devices</strong></td>
</tr>
<tr class="odd">
<td>Single dry bulb temperature sensors</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>Differential dry bulb temperature sensors</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td>Single enthalpy sensors</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td>Differential enthalpy sensors</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td>CO2 sensor (wall, duct, or unit mounted)</td>
<td>X</td>
<td>X</td>
</tr>
<tr>
<td colspan="3"><strong>Electric Heat</strong></td>
</tr>
<tr class="odd">
<td>Multiple electric resistance heater kW sizes</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td>Single point kit</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Indoor Motor & Drive</strong></td>
</tr>
<tr>
<td>Multiple motor and drive packages</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td colspan="3"><strong>Low Ambient Control</strong></td>
</tr>
<tr>
<td>Winter start kit</td>
<td></td>
<td>X</td>
</tr>
<tr class="odd">
<td>Motormaster head pressure controller</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td colspan="3"><strong>Power Options</strong></td>
</tr>
<tr class="odd">
<td>Convenience outlet (powered)</td>
<td>X</td>
<td></td>
</tr>
<tr>
<td>Convenience outlet (unpowered)</td>
<td>X</td>
<td></td>
</tr>
<tr class="odd">
<td>Non-fused disconnect</td>
<td>X</td>
<td></td>
</tr>
<tr>
<td colspan="3"><strong>Roof Curbs</strong></td>
</tr>
<tr class="odd">
<td>Roof curb 14″ (356mm)</td>
<td></td>
<td>X</td>
</tr>
<tr>
<td>Roof curb 24″ (610mm)</td>
<td></td>
<td>X</td>
</tr>
</tbody>
</table>
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