Install Instructions

USING THIS MANUAL 1
A. INSTALLATION SEQUENCE . . . . . . . . . . . . . .1
B. SPECIAL ATTENTION BOXES . . . . . . . . . . . . .1
PRODUCT & SAFETY INFORMATION 2
1. PREINSTALLATION 3
A. CODES COMPLIANCE . . . . . . . . . . . . . . . . . . .3
B. CODES RESTRICTIONS . . . . . . . . . . . . . . . . . .3
C. OPERATING RESTRICTIONS . . . . . . . . . . . . . .3
D. LOCATING WATER HEATER . . . . . . . . . . . . . .3
E. PRODUCT SELECTION . . . . . . . . . . . . . . . . . .4
F. RECOMMENDED CLEARANCES . . . . . . . . . . .5
2. INSTALLATION - PIPING 6
A. TEMPERATURE & PRESSURE (T&P)
RELIEF VALVE . . . . . . . . . . . . . . . . . . . . . . . . .6
B. DRAIN VALVE . . . . . . . . . . . . . . . . . . . . . . . . . .6
C. AUTOMATIC AIR VENT . . . . . . . . . . . . . . . . . .7
D. THERMAL EXPANSION . . . . . . . . . . . . . . . . .7
E. WATER HAMMER . . . . . . . . . . . . . . . . . . . . . .7
F. VACUUM BREAKER . . . . . . . . . . . . . . . . . . . . .7
G. GENERAL PIPING . . . . . . . . . . . . . . . . . . . . . . .7
H. DOMESTIC PIPING . . . . . . . . . . . . . . . . . . . . . .7
I. THERMOSTATIC MIXING VALVE . . . . . . . . . .8
J. RECIRCULATION PIPING . . . . . . . . . . . . . . . . .8
K. MULTIPLE WATER HEATER SYSTEMS . . . . .8
L. BOILER PIPING . . . . . . . . . . . . . . . . . . . . . . . . .8
3. INSTALLATION - PIPING DRAWINGS 9
4. INSTALLATION - WIRING 16
A. WIRING REQUIREMENTS . . . . . . . . . . . . . . .16
B. CIRCULATORS . . . . . . . . . . . . . . . . . . . . . . . .16
C. ZONE VALVES . . . . . . . . . . . . . . . . . . . . . . . .16
D. SNAPSET CONNECTION . . . . . . . . . . . . . . . .16
5. INSTALLATION - WIRING DRAWINGS 17
6. WATER HEATER START-UP 22
A. FILLING THE INNER (DOMESTIC WATER)
TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
B. FILLING THE OUTER (BOILER WATER)
TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
C. GENERAL NOTES . . . . . . . . . . . . . . . . . . . . .23
D. ADJUSTING THE WATER HEATER
THERMOSTAT . . . . . . . . . . . . . . . . . . . . . . . .23
7. WATER HEATER MAINTENANCE 24
A. MAINTENANCE SCHEDULE . . . . . . . . . . . . .24
B. FILLING WATER HEATER . . . . . . . . . . . . . . .24
C. DRAINING WATER HEATER . . . . . . . . . . . . .24
D. DRAINING INNER (DOMESTIC WATER)
TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
E. DRAINING OUTER (BOILER WATER)
TANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
8. TROUBLESHOOTING 26
9. REPAIR PARTS 27
10. WATER HEATER DIMENSIONS &
RATINGS 29
11. PERFORMANCE RATINGS 30
TABLE OF CONTENTS
TABLE OF CONTENTS