1
707C----C, 707C----D
LEGACY
t
14 SEER SINGLE--PACKAGED AIR CONDITIONER SYSTEM
WITH PURON
R
(R--410A) REFRIGERANT
SINGLE PHASE 2--5 NOMINAL TONS (SIZES 24--60)
THREE PHASE 3--5-- NOMINAL TONS (SIZES 36--60)
Installation Instructions
IMPORTANT
: Effective January 1, 2015, all split system and
packaged air conditioners must be installed pursuant to applicable
regional efficiency standards issued by the Department of Energy.
NOTE
:
Read the entire instruction manual before starting the
installation.
NOTE
:
Installer: Make sure the Owner’s Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECEIVING AND INSTALLATION
2--10
. . . . . . . . . . . . . . . . .
Check Equipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Fabricate Ductwork
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rig and Place Unit
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging/Lifting of Unit
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect Condensate Drain
8
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Duct Connections
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Units for Downflow (Vertical) Discharge
8
. . . .
Install Electrical Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208v Operation
10
. . . . . . . . . . . . . . .
Control Voltage Connections
10
. . . . . . . . . . . . . . . . . . . . . . .
Standard Connection
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transformer Protection
10
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PRE--START--UP
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP
12--14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Refrigerant Leaks
12
. . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Cooling Section and Making Adjustments
12
. . . . . . .
Checking Cooling Control Operation
12
. . . . . . . . . . . . . . . .
Checking and Adjusting Refrigerant Charge
12
. . . . . . . . . . .
Indoor Airflow and Airflow Adjustments
13
. . . . . . . . . . . . .
Continuous Fan Operation
14
. . . . . . . . . . . . . . . . . . . . . . . .
Cooling Sequence of Operation
14
. . . . . . . . . . . . . . . . . . . . .
MAINTENANCE
29--31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Blower and Motor
29
. . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, and Condensate Drain Pan
30
. . .
Outdoor Fan
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring
30
. . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evaporator Airflow
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Puron Items
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
32
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
A170030
Fig. 1 -- Unit 707C----C, 707C----D
SAFETY CONSIDERATIONS
Improper installation adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, 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 individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have a fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes, the
current editions of the National Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the Canadian electrical
Code CSA C22.1.
Recognize safety information. This is the safety--alert symbol
.
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury. Understand
these signal words; DANGER, WARNING, and CAUTION. These
words are used with the safety--alert symbol. DANGER identifies
the most serious hazards which
will
result in severe personal injury
or death. WARNING signifies hazards which
could
result in
personal injury or death. CAUTION is used to identify unsafe
practices which
may
result in minor personal injury or product and
property damage. NOTE is used to highlight suggestions which
will
result in enhanced installation, reliability, or operation.
Summary of Contents for 707C C Series
Page 3: ...3 A180287 Fig 2 24 36 Unit Dimensions 707C C D...
Page 4: ...4 Fig 3 42 60 Unit Dimensions 707C C D...
Page 22: ...22 A150503 Fig 12 Connection Wiring Diagram 208 230 1 60 707C C D...
Page 23: ...23 A150513 Fig 12 Cont Ladder Wiring Diagram 208 230 1 60 707C C D...
Page 24: ...24 A150504 Fig 13 Connection Wiring Diagram 208 230 3 60 707C C D...
Page 25: ...25 A150514 Fig 13 Cont Ladder Wiring Diagram 208 230 3 60 707C C D...
Page 26: ...26 A150505 Fig 14 Connection Wiring Diagram 460 3 60 707C C D...
Page 27: ...27 A150515 Fig 14 Cont Ladder Wiring Diagram 460 3 60 707C C D...