S1CG/S1HG
Single-Zone,
S2CG/S2HG
Dual-Zone
• Installation, Operation and Maintenance Manual •
Comfort where it counts
2
P/N 240007754, Rev. C [3/19/2010]
Contents
NOTICE
Shipping Damage
Shipping damage MUST be reported
to the carrier IMMEDIATELY.
Examine the exterior. Remove cover
and examine compressor and piping
for signs of damage.
Inspect each component for damage.
Concealed damage
must be reported
to the carrier within 15 days of the
receipt of the shipment.
Th
e carrier must make proper notation
on the delivery receipt of all damage
identifi ed and complete a carrier inspec-
tion report.
Th
e purchaser must notify ECR Inter-
national’s Customer Service Depart-
ment of all damage and is responsible
for fi ling any necessary claims with the
carrier.
Customer Service : (800) 228-9364
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Verify unit before installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mounting the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Refrigerant Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operation Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Starting the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Operation and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Single-zone and Dual-zone Condenser Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Single-zone and Dual-zone Condenser Sequence of Operation,
Testing Defrost Operation Using Test Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Specifi cation and Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Test Unit Performance Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
EMI’s Product Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
To the Installer
Retain this manual and warranty for
future reference. Before leaving the prem-
ises, review this manual to be sure the unit
has been installed correctly and run the
unit for one complete cycle to make sure
it functions properly.
To obtain technical service or warranty
assistance during or aft er the installation
of this unit, contact your local representa-
tive. For a local representative listing, visit
our web site:
www.enviromaster.com
For further assistance call:
1-800-228-9364
When calling for assistance, please have
the following information ready:
Model Number _____________
Serial Number _____________
Date of installation ___________
NOTICE
Th
e EMI series high effi
ciency condensing unit is backed by EMI and ECR International
and is tested and rated in accordance with AHRI Standard 210/240-2008 and UL-1995.
Due to ongoing product development, product designs and specifi cations may change
without notice. Please contact the factory for more information.
