Main
Installation Instructions
TABLE OF CONTENTS
SAFETY CONSIDERATIONS
INSTALLATION
Slab Mount (Horizontal Units Only)
50HJ004-007 50HE003-006
Fig. 2 --- Roof Curb Details
C06155
MAXIMUM ALLOWABLE DIFFERENCE (in.)
50HE,HJ
Fig. 6 --- Rigging Details
Fig. 7 --- Roof Curb Alignment
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Table 1Physical Data 50HJ
Table 2Physical Data 50HE
Fig. 12 --- Power Wiring Connections
Fig. 13 --- Field Control Wiring Raceway
Table 3Electrical Data--50HE
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Table 4Electrical Data--50HJ
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Terminal (Unmarked) Splice Factory Wiring Field Control Wiring Field Power Wiring
LEGEND
Fig. 19 --- Outdoor--Air Hood Details
Fig. 18 --- Damper Panel with Manual Outdoor--Air Damper Installed
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Table 5PremierLinkSensor Usage
Fig. 22 --- PremierLink Controller
PREMIERLINK CONTROL
HINGED DOOR PANEL
OAT
PremierLink
RTU Terminal Board
C06018
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HoodBox
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Fig. 34 --- EconoMi$er IV Wiring
4 3 5 2 8 6 7 1 10 11 9 12
RUN
- +
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(T
OA )+(TRxRA )=T
100 100
D C B A
(T
OA )+(TRxRA )=T
100 100
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Table 8CO2Sensor Standard Settings
Fig. 46 --- Humidi--MiZertAdaptive Dehumidification System Static Pressure Drop (in. wg)
Fig. 48 --- Evaporator--Fan Pulley Adjustment
Fig. 47 --- Belt Drive Motor Mounting
Table 950HJ and 50he Fan Rpm at Motor Pulley Setting With Standard Motor*
Table 1050HJ, 50HE Fan Rpm at Motor Pulley Setting With High-Static Motor*
Table 11Evaporator-Fan Motor Data Standard Motor
Table 12Evaporator-Fan Motor Data High-Static Motors
GENERAL FAN PERFORMANCE NOTES
Table 16Fan Performance 50HJ004, 50HE004 Vertical Discharge Units; Standard Motor
Table 17Fan Performance 50HJ004, 50he004 Vertical Discharge Units; High-Static Motor
Table 18Fan Performance 50HJ005, 50HE005 Vertical Discharge Units; Standard Motor
Table 19Fan Performance 50HJ005, 50HE005 Vertical Discharge Units; High-Static Motor
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Table 22Fan Performance 50HJ006, 50HE006 Vertical Discharge Units; High-Static Motor
Table 23Fan Performance 50HJ007 Vertical Discharge Units; Standard Motor (Belt Drive)*
50HE,HJ
Table 24Fan Performance 50HJ007 Vertical Discharge Units; High-Static Motor (Belt Drive)*
Table 25Fan Performance 50HE003 Horizontal Discharge Units; Standard Motor (Belt Drive)**
Table 26Fan Performance 50HJ004, 50HE004 Horizontal Discharge Units; Standard Motor
Table 28Fan Performance 50HJ005, 50he005 Horizontal Discharge Units; Standard Motor
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Table 33Fan Performance 50HJ007 Horizontal Discharge Units; Standard Motor (Belt Drive)*
Table 34Fan Performance 50HJ007 Horizontal Discharge Units; High-Static Motor (Belt Drive)*
PRE-START-UP
START-UP
S
S S S
S
S S S
S
S S
S
S S S
S S
S S S
SERVICE
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TROUBLESHOOTING
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Table 36Cooling Service Analysis
PROBLEM CAUSE REMEDY Compressor and Condenser Fan Will Not Start.
Compressor Will Not Start But Condenser Fan Runs.
CompressorCycles(OtherThan Normally Satisfying Thermostat).
Comp resso r Operat es Continuous ly .
Table 37Humidi-MiZerAdaptive Dehumidification System Subcooling Mode Service Analysis
Table 38Humidi-MiZerAdaptive Dehumidification System Hot Gas Reheat Mode Service Analysis
Table 39EconoMi$er IV Input/Output Logic
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START-UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMATION
II. PRE-START-UP (insert checkmark in box as each item is completed)
III. START-UP
