315AAV/JAV
Installation, Start-up,Operating and
Service and Maintenance Instructions Series 150/F
CUT HAZARD
SAFETY CONSIDERATIONS
315AAV
FURNACE RELIABILITY HAZARD
A10269
Fig. 1 - Clearances to Combustibles
315AAV
General Installation
ELECTROSTATIC DISCHARGE ESD PRECAUTIONS PROCEDURE
Fig. 2 - Return Air Temperature
Safety
315AAV
Fig. 3 - Dimensional Drawing
Table 1 - Dimensions - In. mm
LOCATION
315AAV
Fig. 4 - Multipoise Orientations
FIRE, INJURY OR DEATH HAZARD
LOCATION RELATIVE TO COOLING EQUIPMENT
Fig. 5 - Installation in a Garage
Fig. 6 - Prohibit Installation on Back
FIRE HAZARD
315AAV
AIR FOR COMBUSTION AND VENTILATION
FURNACE CORROSION HAZARD
CARBON MONOXIDE POISONING HAZARD
Indoors
Outdoors
STANDARD or KNOWN AIR INFILTRATION METHOD
Outdoor Combustion Air Method
INSTALLATION
Bottom Return Air Inlet
DOWNFLOW INSTALLATION
HORIZONTAL INSTALLATION
Fig. 10 - Leveling Legs
Combustible Floor
Fig. 11 - Floor and Plenum Opening Dimensions
Installed on a Combustible Floor
Roll-OutProtection
Ductwork Acoustical Treatment
Table 4 – Opening Dimensions - In. mm
Filter Arrangement
AIR DUCTS General Requirements
Fig. 14 - Duct Flanges
Supply Air Connections
Upflow and Horizontal Furnaces
Downflow Furnaces
1/4 6mm THREADED ROD 4 REQ
Fig. 15 - Horizontal Unit Suspension
Fig. 16 - Horizontal Suspension with Straps
315AAV
315AAV
Fig. 17 - Typical Attic Installation
A02162
315AAV
A02163
315AAV
Table 5 - Air Delivery - CFM With Filter
Table 6 - Maximum Capacity of Pipe
Return Air Connections
GAS PIPING
FIRE OR EXPLOSION HAZARD
ELECTRICAL CONNECTIONS
115-VWiring
Fig. 21 - Burner and Manifold
Fig. 22 - Typical Gas Pipe Arrangement
Electrical Connection to J-Box
Table 7 - Electrical Data
J-BoxRelocation
Fig. 23 - Relocating J-Box
ACCESSORIES
Power Cord Installation in Furnace J-Box
BX Cable Installation in Furnace J-Box
24-VWiring
315AAV
Fig. 25 - Field Wiring Diagram
315AAV
General Venting Requirements
Fig. 27 - Two-StageFurnace with Single-Speed
Air Conditioner
315AAV
tioner
Dual Fuel
and Single-SpeedHeat Pump
315AAV
and Two-SpeedHeat Pump
and Two-SpeedAir Conditioner
315AAV
NOTES FOR FIGURES
A10133
Fig. 35 - Chimney Inspection Chart
315AAV
Appliance Application Requirements
Masonry Chimney Requirement
Table 8 - Combined Appliance Maximum Input
Rating in Thousands of Btuh per Hour
CUT HAZARD
Table 9 - Minimum Allowable Input Rating of
Additional Venting Requirements
315AAV
315AAV
Fig. 36 - Upflow Application - Vent Elbow Up
Fig. 37 - Upflow Application - Vent Elbow Right
Fig. 39 - Downflow Application - Vent Elbow Up
315AAV
then Up
then Up
VENTING NOTES FOR FIG
315AAV
Fig. 49 - Redundant Automatic Gas Control Valve
START-UP,ADJUSTMENT, AND SAFETY CHECK
Sidewall Venting
General
FIRE AND EXPLOSION HAZARD
Start-UpProcedures
Fig. 50 - Orifice Hole
Fig. 51 - Amp. Draw Check with Ammeter
315AAV
Table 10 - Furnace Setup Switch Description
Fig. 52 - Service Label
Adjustments
EXAMPLE 1 0-2000ft. 0-610M altitude
Table 11 - Altitude Derate Multiplier for U.S.A
Table 12 - Blower Off Delay Setup Switch
315AAV
FURNACE DAMAGE HAZARD
UNIT DAMAGE HAZARD
FURNACE OVERHEATING HAZARD
315AAV
315AAV
for Low Speed or High Speed cooling. See Table 5-AirDelivery - CFM With Filter . Depending on the model size, the cooling airflow can be adjusted from 1. tons nom- inal cooling to 3 ., to 4 or to 6 tons of nominal cooling based on 350 cfm ton
A08464
Fig. 53 - Wiring Diagram
315AAV
SIZE OF TEST DIAL
Table 13 - Gas Rate CU ft./hr
315AAV
SECONDS G
315AAV
305 M Above Sea Level
315AAV
Above Sea Level
315AAV
305 M Above Sea level
305 M Above Sea level
315AAV
ENVIRONMENTAL HAZARD
SERVICE AND MAINTENANCE PROCEDURES
Check Safety Controls
Checklist
ELECTRICAL SHOCK HAZARD
Electrical Controls and Wiring
Component Self-Test
315AAV
CARBON MONOXIDE POISONING AND FIRE HAZARD
CARE AND MAINTENANCE
Cleaning and/or Replacing Air Filter
Media cabinet filter procedures
315AAV
Cleaning Heat Exchanger
service agency
Table 16 - Filter Size Information - In. mm
315AAV
Fig. 56 - Cleaning Heat Exchanger Cell
Fig. 54 - Igniter Position - Side View
Fig. 55 - Igniter Position - Top View
FIRE OR EXPLOSION HAZARD
Sequence of Operation
315AAV
315AAV
a.Inducer Prepurge Period
315AAV
3.Cooling mode
a.Single-SpeedCooling
315AAV
4.Thermidistat Mode
5.Super-DehumidifyMode
6.Continuous Blower Mode
8.Component test
Wiring Diagram
Troubleshooting
7.Heat pump
A02108A
Fig. 58 - Troubleshooting Guide
315AAV
A02108B
Blocked vent switch used in Chimney
315AAV
Adapter Kit
315AAV
haveYou openan orwire dba onterminal NO
PART NUMBER
Table 17 - Accessory List
315AAV
DESCRIPTION
ELECTRICAL GROUP
PARTS REPLACEMENT INFORMATION GUIDE
CASING GROUP
GAS CONTROL GROUP