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Carrier 50RHE006-060 Typical Installation - 50RHE Units, Unit Hanger Isolation Detail

Models: 50RHE006-060

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UNIT HANGER ISOLATION DETAIL

			ReturnLoop
		3/8” threaded rods	Supply Loop
		(by others)	Supply Loop
		(by others)
		Filter Access		Water In
		Filter Access	Water Out
		Return Air	Water Out
		Return Air
		(Ductwork
		not shown)	Thermostat
			Thermostat
Field-supplied transition to			Wiring
Field-supplied transition to		Power Wiring		Balancing Valve (Field
minimize pressure loss		Power Wiring	Field-supplied	Balancing Valve (Field
			Field-supplied	installed and calibrated
Supply Air			stainless steel	accessory)
Supply Air			braid hose
			braid hose	Low Pressure Drop Water
			with integral	Low Pressure Drop Water
			“J” swivel	Control Valve (optional)
				(field-installed accessory)
		Unit Power
	Flexible
Insulated supply duct with	Connection			Water Out
Insulated supply duct with		Unit Power
at least one 90 degree elbow	Field-Supplied	Unit Power
to reduce air noise	Field-Supplied	Disconnect		Water In
to reduce air noise	Electric Heat	Disconnect		Water In
(field supplied)	Electric Heat
(field supplied)	(if applicable)
	(if applicable)	Unit Hanger	Ball Valve with optional
		Unit Hanger	Ball Valve with optional
			integral P/T plug (typical for supply

and return piping)

3/8” Threaded Rod (by others)

Vibration Isolator (white-compressor end and red-blower end) size 042-070

Washer (by others)

Double Hex Nuts (by others)

50RHR, RHS: Install screw as shown Sizes 042-060

Optional on smaller sizes

50RHC: Screw must only be
1/2” long to	Integral hanger support-
prevent damage	pre-attached in factory

UNIT HANGER ISOLATION DETAIL

Fig. 2 — Typical Installation — 50RHE Units

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Carrier 50RHE006-060 specifications Typical Installation - 50RHE Units, Unit Hanger Isolation Detail

Contents

SAFETY CONSIDERATIONS CONTENTSInstallation, Start-Up,and Service Instructions StepGENERAL INSTALLATIONDO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes e.g., attics, garages, rooftops, etc.. Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life. Always move units in an upright position. Tilting units on their sides may cause equipment damage RIGHT RETURN Fig. 1 - 50RHE Dimensional DataLEFT RETURN UNIT HANGER ISOLATION DETAIL Fig. 2 - Typical Installation - 50RHE UnitsUnits are for indoor use only Fig. 5 - Horizontal Hanger Bracket Factory InstalledFig. 6 - Horizontal Unit Pitch Fig. 7 - Trap Condensate DrainFig. 8 - Typical Ground-WaterPiping Installation Table 2 - Water Quality Guidelines Step 8 - Electrical WiringPage Page Alarm Relay Contacts Page Table 3 - Electrical Data Fig. 13 - 50RHE Typical Single-PhaseLineVoltage Power Connection Table 4 - 50RHE Blower Performance Fig. 14 - 50RHE Blower Speed SelectionPRE-START-UP Step 9 - Low Voltage Wiring See FigFig. 15 - Low Voltage Field Wiring Fig. 17 - Typical D Control Accessory WiringFIELD SELECTABLE INPUTS C Control Jumper Settings See Fig. 9 andD Control Jumper Settings See Fig. 11 and START-UP D Control Accessory Relay ConfigurationsOperating Limits Table 5 - DIP Switch Block S2Unit Start-UpHeating Mode Unit Start-UpCooling ModeTable 8 - Water Temperature Change Through Heat ExchangerTable 10 - 50RHE Coaxial Water Pressure Drop Units with Aquazone Complete C Control OPERATIONUnits with Aquazone Deluxe D Control Table 11 - Approximate Fluid Volume Land Alarm Relay Operations SYSTEM TESTFault Descriptions Table 13 - C Control Current LED StatusSERVICE Fig. 19 - Forced Circulation Method Fig. 18 - Gravity Flow MethodRefrigerant Charging TROUBLESHOOTING Fig. 20 and 21, and TableAir Coil Fan Motor Removal Fig. 20 - Thermistor Nominal ResistanceTable 16 - Troubleshooting Table 16 - Troubleshooting cont Page Page Copyright 2004 Carrier Corporation II.START-UP 50RHE R-407CUNIT START-UPCHECKLISTI.PRE-START-UP COOLING CYCLE ANALYSIS HEATING CYCLE ANALYSISFLOW RATE L/S TEMP. DIFF. DEG. C