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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
Step 1 — Check Jobsite
. . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2 — Check Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . 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