Carrier Weathermaster – 50HC Commercial Rooftop Units
50HC WEATHERMASTER® 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 environmentally sound Puron® (R-410A) refrigerant at the factory. The units are factory tested in cooling mode.
Description
Performance Features
- ASHRAE 90.1 and Energy Star compliant
- Up to 15.6 SEER, 13.0 IEER, and 12.2 EER
- Standard cooling operating range up to 125 °F (52°C) and down to 35°F (-2°C). Low ambient controllers can bring cooling operation down to -20°F (-29°C)
- 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
- TXV refrigerant metering device on each circuit with removable power element
- Fully insulated cabinet
Maintenance Features
- Control terminal board facilitating simple safety circuit troubleshooting and simplified control box arrangement
- Access panels with easy grip handles and tool-less filter access door
- Innovative, easy starting, no-strip screw feature on unit access panels
- Optional hinged access panels also available
- Belt drive evaporator-fan motor and pulley combinations available on all three phase models to meet any application
- Electric Drive x13 (5 speed/torque) motor on 04 to 06 models
- Two-inch disposable return air filters
Installation Features
- Same footprint as installed Carrier 3-5 and 7.5-10 ton rooftops back to 1989, reducing installation costs and time
- Field convertible from vertical to horizontal airflow for slab mounting (sizes 04 to 14)
- Provisions for thru-the-bottom power entry capability as standard
- Single point gas and electric connections
- Full perimeter base rail with built-in rigging adapters and fork truck slots
- Dedicated vertical and horizontal airflow models available (factory option on size 17 to 28 units)
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
- Solid-state electronic direct spark ignition system and flame roll-out safety protector
Standard Limited Warranty
- 10 years parts only electric heater
- 5 years parts only compressor
- One year parts only on all other parts
- Extended warranty packages available
Factory-Installed Options
<ul>
<li>Cabinet
<ul>
<li>Thru-the-base electrical or gas-line connections</li>
<li>Hinged access panels</li>
<li>Foil-faced insulation</li>
</ul>
</li>
<li>Coil Options
<ul>
<li>Cu/Cu indoor and/or outdoor coils</li>
<li>Pre-coated outdoor coils</li>
<li>Premium, E-coated outdoor coils</li>
</ul>
</li>
<li>Humidity Control
<ul>
<li>Humidi-MiZer Adaptive dehumidification system</li>
</ul>
</li>
<li>Condenser Protection
<ul>
<li>Condenser coil hail guard (louvered design)</li>
</ul>
</li>
<li>Controls
<ul>
<li>ComfortLink™ DDC communicating controller</li>
<li>PremierLink™ DDC communicating controller</li>
<li>RTU OPEN™ open-protocol controller</li>
<li>Smoke detector (supply and/or return air)</li>
</ul>
</li>
<li>Energy Recovery
<ul>
<li>EnergyX® Factory Integrated Energy Recovery</li>
</ul>
</li>
<li>Economizers & Outdoor
<ul>
<li>Air Dampers</li>
<li>EconoMi$er IV (for electro-mechanical controlled RTUs)</li>
<li>EconoMi$er X (for electro-mechanical controlled RTUs with CA Title 24 FDD)</li>
<li>EconoMi$er2 (for DDC controlled RTUs)</li>
<li>Ultra-low leak economizer dampers</li>
<li>Motorized 2 position outdoor-air damper</li>
<li>Manual outdoor-air damper (sizes 17-30)</li>
<li>Barometric relief</li>
<li>Power exhaust (sizes 17-30)</li>
</ul>
</li>
<li>Economizer Sensors & IAQ Devices
<ul>
<li>Single dry bulb temperature sensors</li>
<li>Single enthalpy sensors</li>
<li>CO2 sensor (wall, duct, or unit mounted)</li>
</ul>
</li>
<li>Electric Heat
<ul>
<li>Multiple Electric Resistance Heater KW Sizes</li>
<li>Single Point kit</li>
</ul>
</li>
<li>Indoor Motor & Drive
<ul>
<li>Multiple motor and drive packages</li>
<li>Staged Air Volume (SAV) Indoor Fan Speed System (sizes 08-28)</li>
</ul>
</li>
<li>Low Ambient Control
<ul>
<li>Motormaster® head pressure controller</li>
</ul>
</li>
<li>Power Options
<ul>
<li>Convenience outlet (powered)</li>
<li>Convenience outlet (unpowered)</li>
<li>Non-fused disconnect</li>
<li>HACR Circuit Breaker</li>
</ul>
</li>
</ul>
Field-Installed Accessories
<ul>
<li>Cabinet
<ul>
<li>Thru-the-base electrical or gas-line connections</li>
</ul>
</li>
<li>Condenser Protection
<ul>
<li>Condenser coil hail guard (louvered design)</li>
</ul>
</li>
<li>Controls
<ul>
<li>Thermostats, temperature sensors, and subbases</li>
<li>PremierLink™ DDC communicating controller</li>
<li>RTU OPEN™ open-protocol controller</li>
<li>Smoke detector (supply and/or return air) (sizes 17-30)</li>
<li>Time Guard II compressor delay control circuit</li>
<li>Filter status switch</li>
<li>Fan status switch</li>
</ul>
</li>
<li>Economizers & Outdoor
<ul>
<li>Air Dampers</li>
<li>EconoMi$er IV (for electro-mechanical controlled RTUs)</li>
<li>EconoMi$er X (for electro-mechanical controlled RTUs with CA Title 24 FDD)</li>
<li>EconoMi$er2 (for DDC controlled RTUs)</li>
<li>Ultra-low leak economizer dampers</li>
<li>Motorized 2 position outdoor-air damper</li>
<li>Manual outdoor-air damper</li>
<li>Barometric relief</li>
<li>Power exhaust</li>
</ul>
</li>
<li>Economizer Sensors & IAQ Devices
<ul>
<li>Single dry bulb temperature sensors</li>
<li>Differential dry bulb temperature sensors</li>
<li>Single enthalpy sensors</li>
<li>Differential enthalpy sensors</li>
<li>CO2 sensor (wall, duct, or unit mounted)</li>
</ul>
</li>
<li>Electric Heat
<ul>
<li>Multiple Electric Resistance Heater KW Sizes</li>
<li>Single Point kit</li>
</ul>
</li>
<li>Low Ambient Control
<ul>
<li>Winter start kit</li>
<li>Motormaster® head pressure controller</li>
</ul>
</li>
<li>Roof Curbs
<ul>
<li>Roof curb 14” (356mm)</li>
<li>Roof curb 24” (610mm)</li>
</ul>
</li>
</ul>
Data
<table class="table table-striped table-condensed" border="0" cellspacing="0" cellpadding="0">
<thead>
<tr class="headings odd">
<th class="first">Nominal Cooling Ton Size</th>
<th>Cooling Stages</th>
<th>AHRI Efficiency (SEER) EER</th>
<th>Dimensions (in) LxWxH</th>
<th>Electric Heat Nominal Kilowatt Range</th>
<th>Approx. Unit Weight (lbs)</th>
</tr>
</thead>
<tbody>
<tr>
<td>3</td>
<td>1</td>
<td>(15.0)</td>
<td>74 x 47 x 33</td>
<td>4.0 to 16.0</td>
<td>458</td>
</tr>
<tr class="odd">
<td>4</td>
<td>1</td>
<td>(15.6)</td>
<td>74 x 47 x 41</td>
<td>4.4 to 23.0</td>
<td>545</td>
</tr>
<tr>
<td>5</td>
<td>1</td>
<td>(15.2)</td>
<td>74 x 47 x 41</td>
<td>6.5 to 26.5</td>
<td>550</td>
</tr>
<tr class="odd">
<td>6</td>
<td>1</td>
<td>12.2</td>
<td>88 x 59 x 41</td>
<td>6.0 to 26.5</td>
<td>715</td>
</tr>
<tr>
<td>7.5</td>
<td>2</td>
<td>12.2</td>
<td>88 x 59 x 49</td>
<td>10.0 to 42.4</td>
<td>860</td>
</tr>
<tr class="odd">
<td>8.5</td>
<td>2</td>
<td>12.2</td>
<td>88 x 59 x 49</td>
<td>10.4 to 42.4</td>
<td>860</td>
</tr>
<tr>
<td>10</td>
<td>2</td>
<td>12.0</td>
<td>88 x 59 x 49</td>
<td>10.0 to 51.0</td>
<td>865</td>
</tr>
<tr class="odd">
<td>10</td>
<td>2</td>
<td>11.7</td>
<td>88 x 59 x 49</td>
<td>10.0 to 51.0</td>
<td>865</td>
</tr>
<tr>
<td>12.5</td>
<td>2</td>
<td>12.4</td>
<td>116 x 63 x 57</td>
<td>15.0 to 51.0</td>
<td>1075</td>
</tr>
<tr class="odd">
<td>15</td>
<td>2</td>
<td>12.2</td>
<td>128 x 87 x 49</td>
<td>25.0 to 75.0</td>
<td>1093</td>
</tr>
<tr>
<td>17.5</td>
<td>2</td>
<td>12.2</td>
<td>141 x 87 x 49</td>
<td>25.0 to 75.0</td>
<td>1793</td>
</tr>
<tr class="odd">
<td>20</td>
<td>2</td>
<td>12.2</td>
<td>141 x 87 x 57</td>
<td>25.0 to 75.0</td>
<td>2148</td>
</tr>
<tr>
<td>25</td>
<td>2</td>
<td>11.4</td>
<td>158 x 87 x 57</td>
<td>25.0 to 75.0</td>
<td>2193</td>
</tr>
</tbody>
</table>
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