Carrier 50ZH024-060 instruction manual ±50ZH Balance Point Chart

Page 21

Balance Point Worksheet

		80000
		70000
	Heating Capacity (BTUH)	60000
Heat Loss, BTUH		50000
		40000

Building	Integrated	30000
Building	Integrated
	Unit
		20000
		10000
		0
		-10	0	10	20	30	40	50	60

Outdoor Air Temp (Deg F)

Fig. 25±50ZH Balance Point Chart

024

030

036

042

048

060

C01038

21

Image 21

Contents Safety Considerations Table of ContentsIntroduction Receiving and Installation50ZH030 50ZH02450ZH036 50ZH04250ZH048 ÐUnit Base Dimensions, 50ZH060 ÐProvide for Condensate Disposal Install Flanges for Ductwork Connections 50ZH060 onlyÐMinimum Airflow for Safe Electric Heater Operation CFM ÐInstall Electrical ConnectionsHIGH-VOLTAGE Connections 024Physical Data START-UP PRE-START-UPÐStart-Up Cooling Section and Make Adjustments ÐCheck for Refrigerant LeaksÐRefrigerant Charge ÐIndoor Airflow and Airflow Adjustments Heating Mode ChargeÐUnit Controls For 460-V MotorsHIGH-PRESSURE Relief Valve ÐSequence of OperationUsed ÐElectrical DataÐ50ZHHeat Pump Heating CoolingDefrost MaintenanceÐUnit Top Removal Outdoor-Coil Side ÐAir FilterÐIndoor Blower and Motor ÐOutdoor Coil, Indoor Coil, and Condensate Drain Pan460 Volt Unit ÐOutdoor Fan042 ² 048 ²ÐAccessory Electric Heat Pressure Drop In. wg ÐWet Coil Pressure DropÐFilter Pressure Drop in. wg ÐHigh Flow Valves ±Typical Heat Pump Operation, Heating Mode±Typical Heat Pump Operation, Cooling Mode ±50ZH Balance Point Chart Symptom Cause Remedy ÐTroubleshootingÐCooling and HeatingPRESSURES-Cooling Mode TEMPERATURE-Cooling ModeTEMPERATURE-Heating Mode PRESSURES-Heating ModeBook Catalog No Form 50ZH-5SI Replaces 50ZH-4SI Tab