Table of Contents
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6720220330 Revised 05-12
ES SERIES
Table of Contents
Model Nomenclature ....................................................................................................................................1
Initial Inspection .............................................................................................................................................2
General Description.......................................................................................................................................2
Moving and Storage......................................................................................................................................2
Safety Considerations ...................................................................................................................................2
Location .............................................................................................................................................................2
Installation.........................................................................................................................................................2
Condensate Drain...........................................................................................................................................3
Duct System .....................................................................................................................................................3
Piping..................................................................................................................................................................3
Electrical.............................................................................................................................................................4
Thermostat Connections .............................................................................................................................4
Safety Devices & the UPM Controller......................................................................................................5
Sequence of Operation Single Stage Units ..........................................................................................8
Electric Heater Package Option ................................................................................................................8
Sequence of Operation Two-Stage Units..............................................................................................9
Well Water Systems .......................................................................................................................................9
Installation of Pressure Regulating Valves ............................................................................................9
Cooling Tower / Boiler Application .........................................................................................................9
Earth Coupled Systems..............................................................................................................................10
System Checkout .........................................................................................................................................10
Unit Start-Up..................................................................................................................................................10
Maintenance ..................................................................................................................................................10
Wiring Diagrams...........................................................................................................................................14
Trouble Shooting .........................................................................................................................................16
Unit Check Out..............................................................................................................................................17
Operating Pressures & Temperatures ..................................................................................................18
MODEL NOMENCLATURE
E S
0 4 8 - 1
SERIES:
ES-ENVIROSAVER
AU-AQUARIUS
NOMINAL CAPACITY:
VOLTAGE DESIGNATION:
1 - 208/1/60 & 230/1/60
3 - 208/3/60 & 230/3/60 (SINGLE STEP ONLY)
CABINET CONFIGURATION:
VT - VERTICAL
HZ - HORIZONTAL
CF - COUNTERFLOW
HEAT EXCHANGER MATERIAL:
C - COPPER
N - CUPRO-NICKEL
V T
C - F
L
T
SUPPLY AIR LOCATION:
T - TOP (VT ONLY)
E - END BLOW (HZ ONLY)
B - BOTTOM (CF ONLY)
RETURN AIR LOCATION:
L - LEFT
R - RIGHT
B - BACK
F - FRONT
WATER CONNECTION
LOCATION
F - FRONT
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Table of Contents
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Summarization of Contents
Model Nomenclature
Series Identification
Identifies unit series (e.g., ENVIROSAVER, AQUARIUS).
Nominal Capacity Specification
Specifies unit's cooling/heating capacity in tons.
Cabinet Configuration Options
Describes physical form factor (Vertical, Horizontal, Counterflow).
Heat Exchanger Material
Indicates material of heat exchanger (Copper, Cupro-Nickel).
Supply Air Location
Defines where supply air exits the unit.
Return Air Location
Defines where return air enters the unit.
Water Connection Location
Specifies location of water connections.
Initial Inspection
Verify Shipment and Condition
Check cartons for damage and verify all items received before signing.
General Description
Water-to-Air Heat Pump Capabilities
Explains unit's performance, efficiency, and safety features.
Moving and Storage
Proper Handling and Storage
Guidelines for storing units upright to prevent damage.
Safety Considerations
Qualified Personnel and Precautions
Emphasizes trained personnel and safety gear for installation/servicing.
Location
Indoor Installation Requirements
Specifies ideal indoor placement for access and service.
Installation
Mounting Vertical Units
Instructions for leveling and vibration isolation of vertical units.
Mounting Horizontal Units
Guidance on suspending horizontal units and drain pan requirements.
Condensate Drain
Drain Line Connection and Pitch
Details on connecting the drain line and ensuring proper slope.
Horizontal Unit Drain Pitch
Specific instruction for pitching horizontal units for condensate removal.
Duct System
Duct Connections and Insulation
Guidance on flexible connectors, insulation, and filter use.
Ductwork Sizing and Leak Checks
Importance of proper sizing, existing ductwork checks, and leak repair.
Piping
Supply and Return Piping Guidelines
Recommendations for pipe size, valve types, and flow rates.
Water-to-Refrigerant Heat Exchanger
Advice on water quality, scale formation, and insulation needs.
Electrical
Field Wiring and Voltage Requirements
Compliance with codes, voltage range, and phase balance.
Circuit Protection and Conduit Entry
Proper fuse/breaker sizing and conduit connection.
Thermostat Connections
ECM Interface Board Connections
Details on connecting thermostat wires to the interface board.
Thermostat Terminal Functions
Explains the purpose of each terminal for thermostat input.
Malfunction Light Connection
How to connect a thermostat's malfunction light.
Safety Devices and the UPM Controller
UPM Controller Functionality
Overview of the Unit Protection Module's role.
Safety Control Components
Lists high pressure, low pressure, and freeze sensors.
Freeze Protection Sensor
Details on freeze sensor operation and jumper requirements.
UPM Features and Timers
Explains anti-short cycle, random start, and bypass timers.
LED Fault Indicators and Codes
Describes the meaning of Red LED blink codes for faults.
UPM Sequence of Operation
Flow chart illustrating the unit's operational logic and fault handling.
Electric Heater Package Option
Separate Power Supply Requirement
Mandates a separate electrical service for heater packages.
Heater Package Compatibility
Lists heater sizes and compatibility with ES Series units.
Sequence of Operation-Single Stage Units
Cooling Mode Operation
Describes fan and compressor operation during cooling cycles.
Heating Mode Operation
Explains fan, compressor, and auxiliary heat operation.
Sequence of Operation-Two Stage Units
Two-Stage Cooling Mode
Details fan and compressor staging in cooling.
Two-Stage Heating Mode
Explains fan and compressor staging in heating.
Well Water Systems
Water Pressure and Flow Maintenance
Importance of maintaining pressure and sufficient flow.
Installation of Pressure Regulating Valves
Valve Selection and Application
Guidance on using direct and indirect acting valves.
Cooling Tower/Boiler Systems
Water Loop Temperature Management
Maintaining loop temperature and chemical treatment needs.
Piping and System Considerations
Advice on piping, ball valves, and pressure/temperature ports.
Earth Coupled Systems
Specialized Design and Installation
Highlights need for specialized knowledge and training for these systems.
System Checkout
Pre-Energization System Checks
Verifying voltage, wiring, piping, and blower rotation.
Unit Start-Up
Sequential Start-Up Procedure
Step-by-step guide for initiating unit operation in cool/heat modes.
Maintenance
Regular Filter Changes
Frequency of filter changes based on environment.
Annual Mechanic Checkup
Recommended annual inspection by a qualified mechanic.
Blower Motor Lubrication
Information on blower motor lubrication requirements.
Condensate Drain Check
Annual check for proper drainage of condensate.
Periodic Lockout Diagnosis
Common causes for lockouts and troubleshooting steps.
Wiring Diagrams
Status LED/Alarm Blink Codes
Explains the meaning of status LEDs and fault blink codes.
Standard Component Legend
Identifies standard electrical components used in diagrams.
Optional Component Legend
Identifies optional electrical components used in diagrams.
Wiring Diagram Notes
Important notes and clarifications for interpreting wiring diagrams.
Troubleshooting
Entire Unit Does Not Run
Addresses problems like no power supply or faulty thermostat.
Blower Operates, Compressor Does Not
Diagnoses issues when only the blower is active.
Unit Off on High/Low Pressure
Troubleshoots unit shutdowns due to pressure controls.
Short Cycles and Insufficient Performance
Addresses rapid cycling and poor cooling/heating.
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