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50VQP084-300
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48 pages, 3.51 Mb
Contents
Main
Installation, Start-Up, and Service Instructions
CONTENTS
SAFETY CONSIDERATIONS
GENERAL
INSTALLATION Step 1 Check Jobsite
Step 2 Check Unit
Table 1 50VQP Unit Physical Data
Fig. 1 Typical 50VQP Unit Installation
Fig. 2 50VQP084-150 Unit Dimensions
a50-8436
ALL CONFIGURATIONS REQUIRE SERVICE ACCESS AREA SHOWN BELOW
Fig. 3 50VQP168-300 Unit Dimensions
a50-8437
ALL CONFIGURATIONS REQUIRE SERVICE ACCESS AREA SHOWN BELOW
Step 3 Locate Unit
Step 4 Mount the Unit
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Step 5 Check Duct System
Step 6 Install Condensate Drain
Step 7 Pipe Connections
Step 8 Field Power Supply Wiring
Table 2 Water Quality Guidelines
Pressure- Temperature Plugs
Fig. 26 Typical Ground-Water Piping Installation
Boiler Drains
Strainer Field-Installed Accessory (16 to 20 mesh recommended for filter sediment)
Fig. 27 50VQP084-168 Unit with Complete C Control (Typical)
a50-8438
Fig. 28 50VQP084-168 with Deluxe D Control (Typical)
a50-8439
NOTE: Reversing valve is on in Cooling mode.
Fig. 30 PremierLink Controller Applications with Deluxe D Control
Fig. 29 PremierLink Controller Applications with Complete C Control
NOTE: Reversing valve is on in Cooling mode.
Table 3 50VQP Unit Electrical Data Standard Unit
Table 4 50VQP Unit Electrical Data Dual Point Power Unit
Step 9 Field Control Wiring
PRE-START-UP System Checkout
Airflow and External Static Pressure
Table 5 50VQP084 Blower Performance Data
Table 6 50VQP096 Blower Performance Data
Table 6 50VQP096 Blower Performance Data (cont)
Table 7 50VQP120 Blower Performance Data
Table 7 50VQP120 Blower Performance Data (cont)
Table 8 50VQP150 Blower Performance Data
Table 8 50VQP150 Blower Performance Data (cont)
Table 9 50VQP168 Blower Performance Data
Table 10 50VQP192 Blower Performance Data
Table 10 50VQP192 Blower Performance Data (cont)
Table 11 50VQP240 Blower Performance Data
Table 11 50VQP240 Blower Performance Data (cont)
Table 12 50VQP300 Blower Performance Data
Table 12 50VQP300 Blower Performance Data (cont)
FIELD SELECTABLE INPUTS
Complete C Control Jumper Settings (See Fig. 27)
Complete C Control DIP Switches
Deluxe D Control Jumper Settings (See Fig. 28)
Deluxe D Control DIP Switches
Deluxe D Control Accessory Relay Configura- tions
START-UP
Operating Limits
Start Up System
Scroll Compressor Rotation
Unit Start-Up Cooling Mode
Unit Start-Up Heating Mode
Flow Regulation
Flushing
Antifreeze
Cooling Tower/Boiler Systems
Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems
OPERATION Power Up Mode
Units with Aquazone Complete C Control
Units with Aquazone Deluxe D Control
COMPLETE C AND DELUXE D BOARD SYSTEM TEST
Test Mode
Table 20 Complete C Control Current LED Status and Alarm Relay Operations
Table 21 Complete C Control LED Code and Fault Descriptions
Table 22 Aquazone Deluxe D Control Current LED Status and Alarm Relay Operations
Retry Mode
Aquazone Deluxe D Control LED Indica- tors
SERVICE
Filters
Water Coil
Checking System Charge
Refrigerant Charging
Air Coil Fan Motor Removal
TROUBLESHOOTING
Thermistor
a50-8163
Fig. 39 FP1 and FP2 Thermistor Location
COAX Coaxial Heat Exchanger Airflow Refrigerant Liquid Line Flow
Table 23 Troubleshooting
Table 23 Troubleshooting (cont)
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HEATING CYCLE ANALYSIS
COOLING CYCLE ANALYSIS
*Use 500 for water, 485 for antifreeze.
(kW)