Bryant 373LAV User Manual

Page 20

a. Turn off 115-v power to furnace.

b. Remove blower access door.

c. Disconnect red motor lead at blower speed selector.

Mark terminal for proper re-connection.

d. Replace blower access door.

e. Turn on 115-v power to furnace. Be sure room thermo-

stat is calling for heat.

f. Allow furnace to operate until auxiliary limit activates,

but DO NOT operate furnace longer than 4 minutes.

g. If furnace operates for 4 minutes, check/replace limit

switch(es).

h. Turn off 115-v power to furnace.

i. Remove blower access door.

j. Reconnect red motor lead, reset switch, and replace door.

k. Turn on 115-v power to furnace.

Checklist

1. Put away tools, instruments, and clean up debris.

2. Verify manual reset switches have continuity.

3. Ensure blower and control access doors are properly in-

stalled.

4. Cycle test furnace with room thermostat.

5. Check operation of accessories per manufacturer’s instruc-

tions.

6. Review User’s Manual with owner.

7. Leave literature packet near furnace.

CHECKLIST—INSTALLATION

LOAD CALCULATION

____________

Heating Load (Btuh)

____________

Cooling Load (Btuh)

____________

Furnace Model Selection

AIR FOR COMBUSTION AND VENTILATION

____________

Unconfined Space

____________

Confined Space

VENTING

____________

NFGC (United States)

____________

NSCNGPIC (Canada)

____________

Local Codes

____________

1/4-in. Upward Slope

____________

Joints Secure

____________

See Attached Vent Table Instructions

CHECKLIST—START-UP

____________

Gas Input Rate
(Set Within 2 percent of Rating Plate)

____________

Temperature Rise Adjusted

____________

Thermostat Anticipator Setting Adjusted or

____________

Thermostat Cycle Rate (3 cycles per Hr)

CHECK SAFETY CONTROLS OPERATION

____________

Primary Limit

____________

Pressure Switches

____________

Draft Safeguard Switch

____________

Auxiliary Limit Switch(es)

—20—

Printed in U.S.A.

373l3521

Catalog No. 5337-305