PB Heat Gas Boiler manual Table Of Contents

TABLE OF CONTENTS

TABLE OF CONTENTS

USING THIS MANUAL	1
A. INSTALLATION SEQUENCE	.1
B. SPECIAL ATTENTION BOXES	.1
1. PREINSTALLATION	2

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 B. CODES & REGULATIONS . . . . . . . . . . . . . . .2 C. ACCESSIBILITY CLEARANCES . . . . . . . . . . .2

D. COMBUSTION AND VENTILATION AIR . . . .2 E. PLANNING THE LAYOUT . . . . . . . . . . . . . . . .2

2. BOILER SET-UP 4

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 B. WALL HUNG BOILERS . . . . . . . . . . . . . . . . . .4 C. FLOOR MOUNTED BOILERS . . . . . . . . . . . . .4

3. WATER PIPING AND CONTROLS 5

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 B. OPERATING PARAMETERS . . . . . . . . . . . . . .5 C. SYSTEM COMPONENTS . . . . . . . . . . . . . . . .5 D. SYSTEM PIPING . . . . . . . . . . . . . . . . . . . . . . .8 E. FREEZE PROTECTION . . . . . . . . . . . . . . . . . .8 F. SPECIAL APPLICATIONS . . . . . . . . . . . . . . .14

4. GAS PIPING 16

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .16 B. FUEL LINE SIZING . . . . . . . . . . . . . . . . . . . .16 C. GAS SUPPLY PIPING INSTALLATION . . . . .16 D. GAS SUPPLY PIPING – OPERATION . . . . . .17 E. MAIN GAS VALVE – OPERATION . . . . . . . .18

5. VENTING, INLET AIR & CONDENSATE 19

A. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . .19

B. APPROVED MATERIALS FOR EXHAUST VENT AND INLET AIR PIPE . . . . . . . . . . . . .19

C. EXHAUST VENT / AIR INLET PIPE LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . .19

D. EXHAUST VENT AND INLET AIR PIPE SIZING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

E. EXHAUST VENT AND AIR INLET PIPE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . .21

F. EXHAUST TAPPING FOR VENT

SAMPLE . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

G. CONDENSATE DRAIN INSTALLATION . . . .25

H. BOILER REMOVAL FROM COMMON VENTING SYSTEM . . . . . . . . . . . . . . . . . . .25

6. ELECTRICAL 26

A. WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 B. SEQUENCE OF OPERATION . . . . . . . . . . . .26 C. SAFETY INTERLOCKS . . . . . . . . . . . . . . . . .28 D. CONTROL FUNCTIONS . . . . . . . . . . . . . . . .28

7. START-UP PROCEDURES 30

A. COMPLETING THE INSTALLATION . . . . . . .30

B. LIGHTING/OPERATING INSTRUCTIONS . . .31 C. CHECK-OUT PROCEDURE . . . . . . . . . . . . . .32

8.	TROUBLESHOOTING	33
	A. SHUT-DOWN	.33
	B. BOILER FAULT CODES	.33
9.	MAINTENANCE	35
	A. GENERAL (WITH BOILER IN USE)	.35
	B. WEEKLY (WITH BOILER IN USE)	.35
	C. ANNUALLY (BEFORE START OF
	HEATING SEASON)	.35
10. BOILER DIMENSIONS & RATINGS		36
	A. BOILER DIMENSIONS	.36
11. REPAIR PARTS		39
APPENDIX A. WHAT’S NEW WITH THE
	P125 CONTROL BOARD	41
	A. ADVANTAGES OF THE P125
	CONTROL BOARD	.41
	B. P125 CONTROL BOARD QUICK
	REFERENCE	.41
	C. P125 CONTROL BOARD VS. WHA
	CONTROL BOARD COMPARISON	.42