AHRI 8HE, Operation Manual

Page: 2 / 24

2
A. INSTALLATION CLEARANCE
Follow the installation instructions provided in this
manual in the order shown. The order of these
instructions has been set in order to provide the installer
with a logical sequence of steps that will minimize
potential interferences and maximize safety during boiler
installation.
B. SPECIAL ATTENTION BOXES
Throughout this manual you will see special attention
boxes intended to supplement the instructions and make
special notice of potential hazards.
USING THIS MANUAL
Indicates a condition or hazard which
may cause severe personal injury,
death or major property damage.
WARNING
Indicates a condition or hazard which
will cause minor personal injury or
property damage.
CAUTION
Indicates special attention is needed,
but not directly related to potential
injury or property damage.
NOTICE
Indicates a condition or hazard which
will cause severe personal injury,
death or major property damage.
DANGER
USING THIS MANUAL 2
A. INSTALLATION CLEARANCE . . . . . . . . . . . . .2
B. SPECIAL ATTENTION BOXES . . . . . . . . . . . .2
1. PREINSTALLATION 3
A. CLEARANCES . . . . . . . . . . . . . . . . . . . . . . . .3
B. AIR FOR COMBUSTION AND
VENTILATION . . . . . . . . . . . . . . . . . . . . . . . . .3
C. CHIMNEY / VENT AND DRAFT CONTROL . .4
D. PLANNING THE LAYOUT . . . . . . . . . . . . . . . .4
2. BOILER PLACEMENT AND ASSEMBLY 5
A. SETTING THE BOILER . . . . . . . . . . . . . . . . . .5
B. CONNECTING THE FLUE OUTLET . . . . . . . .5
C. JACKET ASSEMBLY (KNOCKDOWN
BOILERS) . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3. PIPING AND CONTROLS 7
A. PRESSURE TEST BLOCK ASSEMBLY . . . . .7
B. BOILER RETURN CLEARANCE . . . . . . . . . . .7
C. WATER BOILER PIPING . . . . . . . . . . . . . . . . .7
D. STEAM BOILER PIPING . . . . . . . . . . . . . . . . .7
E. TANKLESS HEATER OR COVERPLATE . . . . .8
F. CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . .8
4. ELECTRICAL 10
A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .10
B. WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
5. BURNER SETUP & BOILER
OPERATION 15
A. BURNER INSTALLATION . . . . . . . . . . . . . . .15
B. BURNER START-UP AND ADJUSTMENT . .15
C. CHECK BOILER CONTROLS . . . . . . . . . . . .15
D. PURGE AIR FROM THE SYSTEM
(WATER BOILERS ONLY) . . . . . . . . . . . . . . .15
E. CLEAN THE BOILER
(STEAM BOILERS ONLY) . . . . . . . . . . . . . . .16
6. MAINTENANCE 18
A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .19
B. DAILY MAINTENANCE (WITH BOILER
OPERATING) . . . . . . . . . . . . . . . . . . . . . . . . .19
C. WEEKLY MAINTENANCE (WITH BOILER
OPERATING) . . . . . . . . . . . . . . . . . . . . . . . . .19
D. MAINTENANCE OF SAFETY
RELIEF VALVE . . . . . . . . . . . . . . . . . . . . . . .19
E. MONTHLY MAINTENANCE (WITH BOILER
OPERATING) . . . . . . . . . . . . . . . . . . . . . . . . .19
F. MAINTENANCE – ANNUAL . . . . . . . . . . . . .19
G. IF A LONG SHUTDOWN IS REQUIRED . . .20
7. BOILER DIMENSIONS & RATINGS 21
8. REPAIR PARTS 23
TABLE OF CONTENTS AND USING THIS MANUAL
TABLE OF CONTENTS