1
48VL---C, 48VL---D
Comfort
t
14 SEER Single---Packaged Air
Conditioner and Gas Furnace System with Puron
(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--12
. . . . . . . . . . . . . . . . .
Check Equipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identify Unit
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Shipment
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Unit Support
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roof Curb
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slab Mount
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Field Fabricate Ductwork
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Provide Clearances
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rig and Place Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging/Lifting of Unit
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect Condensate Drain
8
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Flue Hood
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Gas Piping
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Duct Connections
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Units for Downflow (Vertical)
Discharge
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install Electrical Connections
11
. . . . . . . . . . . . . . . . . . . . . . . .
High--Voltage Connections
11
. . . . . . . . . . . . . . . . . . . . . . . .
Special Procedures for 208--V Operation
11
. . . . . . . . . . . . . .
Control Voltage Connections
12
. . . . . . . . . . . . . . . . . . . . . . .
Standard Connection
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heat Anticipator Setting
12
. . . . . . . . . . . . . . . . . . . . . . . . . .
Transformer Protection
12
. . . . . . . . . . . . . . . . . . . . . . . . . . .
PRE--START--UP
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP
13--24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check for Refrigerant Leaks
13
. . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Heating & Make Adjustments
13
. . . . . . . . . . . . . . . .
Check Heating Control
13
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gas Input
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjust Gas Input
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Burner Flame
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Operation
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow and Temperature Rise
22
. . . . . . . . . . . . . . . . . . . . . .
Heating Sequence of Operation
22
. . . . . . . . . . . . . . . . . . . . .
Limit Switches
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rollout Switch
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start--Up Cooling & Make Adjustments
22
. . . . . . . . . . . . . . . .
Checking Cooling Control Operation
22
. . . . . . . . . . . . . . . .
Checking & Adjusting Refrigerant Charge
23
. . . . . . . . . . . .
Indoor Airflow and Airflow Adjustments
23
. . . . . . . . . . . . .
Cooling Sequence of Operation
24
. . . . . . . . . . . . . . . . . . . . .
A170030
Fig. 1 -- Unit 48VL--C, 48VL--D
(Low NOx Model Available)
MAINTENANCE
51--54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Filter
51
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Blower and Motor
51
. . . . . . . . . . . . . . . . . . . . . . . . .
Induced Draft (Combustion Air) Blower
52
. . . . . . . . . . . . . .
Flue Gas Passageways
52
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limit Switch
52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Burner Ignition
52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Burners
52
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal of Gas Train
52
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor Coil, Indoor Coil, & Condensate Drain Pan
52
. . . .
Outdoor Fan
53
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Controls and Wiring
53
. . . . . . . . . . . . . . . . . . . . .
Refrigerant Circuit
54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Input
54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Evaporator Airflow
54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Puron Items
54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING
55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP CHECKLIST
55
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
Содержание Comfort 48VL-C
Страница 4: ...4 A180293 Fig 3 24 36 Unit Dimensions 48VL C D...
Страница 5: ...5 Fig 4 42 60 Unit Dimensions 48VL C D...
Страница 16: ...16 A150502 Fig 14 208 230 1 60 Connection Wiring Diagram 48VL C D...
Страница 17: ...17 A150510 Fig 14 Cont 208 230 1 60 Ladder Wiring Diagram 48VL C D...
Страница 18: ...18 A150508 Fig 15 208 230 3 60 Connection Wiring Diagram 48VL C D...
Страница 19: ...19 A150511 Fig 15 Cont 208 230 3 60 Ladder Wiring Diagram 48VL C D...
Страница 20: ...20 A150509 Fig 16 460 3 60 Connection Wiring Diagram 48VL C D...
Страница 21: ...21 A150512 Fig 16 Cont 460 3 60 Ladder Wiring Diagram 48VL C D...