Installation Instructions
25VNA
Infinity
t
Variable Speed Heat Pump
with Greenspeed
t
Intelligence
2 to 5 Nominal Tons
NOTE
: Read the entire instruction manual before starting the installation.
TABLE OF CONTENTS
PAGE NO.
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . .
INSTALLATION RECOMMENDATIONS
2
. . . . . . . . . .
INSTALLATION
3--11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 — Check Equipment and Jobsite
3
. . . . . . . . . . .
Step 2 — Install on Solid Pad
3
. . . . . . . . . . . . . . . . . . .
Step 3 — Clearance Requirements
3
. . . . . . . . . . . . . . . .
Step 4 — Operating Ambient
3
. . . . . . . . . . . . . . . . . . .
Step 5 — Elevate Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . .
Step 6 — Liquid Line Solenoid Valve (LSV)
4
. . . . . . .
Step 7 — Making Piping Connections
4
. . . . . . . . . . . .
Step 8 — Make Electrical Connections
7
. . . . . . . . . . . .
Step 9 — Compressor Crankcase Heater
7
. . . . . . . . . . .
Step 10 — Install Accessories
8
. . . . . . . . . . . . . . . . . . . .
Step 11 — Start--Up
8
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 12 — System Functions and Seq. Of Op.
8
. . . . . . .
Step 13 — Check Charge
10
. . . . . . . . . . . . . . . . . . . . . .
Step 14 — Pumpdown & Evacuation
11
. . . . . . . . . . . . .
MAJOR COMPONENTS
12
. . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
12
. . . . . . . . . . . . . . . . . . . . . . . . . .
FINAL CHECKS
18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CARE AND MAINTENANCE
18
. . . . . . . . . . . . . . . . . . . .
PURON
r
REFRIGERANT QUICK REF. GUIDE
18
. . . .
Information in these installation instructions pertains only to
25VNA series units.
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 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 and
current editions of the National Electrical Code ( NEC ) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code
CSA 22.1.
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
would
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.
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when
handling parts.
CAUTION
!
