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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 005-00042 Printed in U.S.A. Form 50RHE-C1SI Pg 1 2-04 Replaces: New
Book 1 4
Tab 5a 5a
Installation, Start-Up, and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS ...................1,2
GENERAL........................................2
INSTALLATION .............................2-16
Step1—CheckJobsite........................2
Step2—CheckUnit...........................2
• STORAGE
• PROTECTION
• INSPECT UNIT
Step 3 — Unit Location...........................6
• FIELD CONVERSION OF DISCHARGE AIR
Step 4 — Mounting the Unit ......................7
Step 5 — Duct System ...........................7
• SOUND ATTENUATION
• EXISTING DUCT SYSTEM
Step 6 — Condensate Drain ......................7
• VENTING
Step 7 — Piping Connections ....................8
• WATER LOOP APPLICATIONS
• GROUND-WATER APPLICATIONS
• GROUND-LOOP APPLICATIONS
Step 8 — Electrical Wiring........................9
• POWER CONNECTION
• SUPPLY VOLTAGE
• 220-VOLT OPERATION
• PSC BLOWER SPEED SELECTION
Step 9 — Low Voltage Wiring....................16
• THERMOSTAT CONNECTIONS
• WATER FREEZE PROTECTION
• AIR COIL FREEZE PROTECTION
• ACCESSORY CONNECTIONS
• WATER SOLENOID VALVES
PRE-START-UP................................16,17
System Checkout.............................16
FIELD SELECTABLE INPUTS ................17,18
C Control Jumper Settings ....................17
C Control DIP Switches .......................17
D Control Jumper Settings ....................17
D Control DIP Switches .......................17
D Control Accessory Relay Configurations .....18
Water Valve (Slow Opening) ...................18
Outdoor Air Damper (OAD) ....................18
START-UP .................................... 18-21
Operating Limits ................................18
Scroll Compressor Rotation.....................19
Unit Start-Up Cooling Mode .....................19
Unit Start-Up Heating Mode .....................19
Flow Regulation.................................19
Flushing ........................................20
Antifreeze .......................................21
Cooling Tower/Boiler Systems ..................21
Page
Ground Coupled, Closed Loop and Plateframe
Heat Exchanger Well Systems ................21
OPERATION...................................21,22
Power Up Mode .................................21
Units with Aquazone Complete C Control .......21
Units with Aquazone Deluxe D Control..........21
SYSTEM TEST ................................22,23
Test Mode.......................................22
Retry Mode......................................23
Aquazone Deluxe D Control LED Indicators .....23
SERVICE ..................................... 23-25
Filters ...........................................23
Water Coil .......................................23
Condensate Drain Pans .........................24
Refrigerant System..............................24
Condensate Drain Cleaning .....................24
Air Coil Cleaning ................................24
Condenser Cleaning ............................24
Checking System Charge .......................24
Refrigerant Charging............................25
Air Coil Fan Motor Removal .....................25
TROUBLESHOOTING ........................ 25-27
Thermistor ......................................25
Control Sensors.................................25
START-UP CHECKLIST .................. CL-1,CL-2
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can
be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should
install, repair, or service air-conditioning equipment.
Untrained personnel can perform basic maintenance func-
tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.
Improper installation, adjustment, alteration, service, main-
tenance, or use can cause explosion, fire, electrical shock or
other conditions which may cause personal injury or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The
qualified installer or agency must use factory-authorized kits or
accessories when modifying this product. Refer to the individ-
ual instructions packaged with the kits or accessories when
installing.
IMPORTANT: Read the entire instruction manual before
starting installation.
Aquazone™
50RHE006-060
Water Source Heat Pumps
Horizontal Unit
50 Hz, CE Mark
R-407C