Installation Instructions
374RAN
MULTIPOISE OIL FURNACE
FOR INPUT CAPACITIES OF 70,000--154,000, SERIES B
NOTE
: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS
1
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCATION
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 — General
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 2 — Location Relative to Cooling Equipment
4
. . . . . . . . .
INSTALLATION
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 1 — Air for Combustion and Ventilation
4
. . . . . . . . . . . . .
Step 2 — General
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 3 — Ductwork Recommendations
5
. . . . . . . . . . . . . . . . . .
Step 4 — Venting
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 5 — Factory--Built Chimneys
8
. . . . . . . . . . . . . . . . . . . . .
Step 6 — Oil Burner
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 7 — Oil Connections
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 8 — Barometric Draft Control
9
. . . . . . . . . . . . . . . . . . . . .
Step 9 — Blocked Vent Shut--Off (BVSO) For Chimney
Venting
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 10 — Electrical Connections
11
. . . . . . . . . . . . . . . . . . . . .
Step 11 — Horizontal or Downflow Installation
13
. . . . . . . . . .
START--UP, ADJUSTMENT, AND SAFETY CHECKOUT
13
.
Step 1 — Operational Checkout
13
. . . . . . . . . . . . . . . . . . . . . .
Step 2 — Sequence of Operation
13
. . . . . . . . . . . . . . . . . . . . . .
Step 3 — Combustion Check
15
. . . . . . . . . . . . . . . . . . . . . . . . .
Step 4 — Fan Adjustment Check
16
. . . . . . . . . . . . . . . . . . . . . .
Step 5 — Limit--Control Check
17
. . . . . . . . . . . . . . . . . . . . . . .
Step 6 — For Year--Round Air Conditioning
17
. . . . . . . . . . . . .
CARE AND MAINTENANCE
17
. . . . . . . . . . . . . . . . . . . . . . . .
Step 1 — General
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 2 — Oil Burner
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step 3 — Heat Exchanger and Flue Pipe
18
. . . . . . . . . . . . . . . .
Step 4 — Blower Removal
18
. . . . . . . . . . . . . . . . . . . . . . . . . .
A06623
Fig. 1 -- 374RAN Multipoise Oil Furnace
SAFETY CONSIDERATIONS
Recognize safety information. This is the safety--alert symbol
.
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the 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 a hazard
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.
ama
B140.0--- B140.4--- UL727
157971
