Patterson-Kelley TBIG-03 Introduction, Description, Safety, Installation, Operation, Maintenance

Gemini™ Twin-Fuel Gas-Fired Boiler

TABLE OF CONTENTS

1.0 INTRODUCTION			1
2.0 DESCRIPTION			2
2.1	Principle of Operation		2
3.0 SAFETY			2
3.1	General		2
3.2	Training		2
3.3	Safety Features		3
3.4	Safety Labels		3
3.5	Safety Precautions		3
3.5.1		Electrical Hazards	3
3.5.2		Burn, Fire, and Explosion Hazards	3
3.5.3 Crush Hazards			4
3.5.4 Chemical Hazards			4
4.0 INSTALLATION			5
4.1	General		5
4.2	Gas Piping		6
4.2.1 Gas Bleeds and Vents			7
4.3	Pre-Start Check List		7
4.4	Pre-Start Safety Checks and Adjustments 7
4.4.1		Test of Ignition Safety System	8
4.4.2		Test of Low Water Cutoff	9
4.4.3		Test of High-Limit Control	9

4.4.4	Test of Gas Pressure Switch	.....................9
4.4.5 Gas Pressure Adjustment		10
4.4.6	Leak Testing of Valves	10

5.0 OPERATION		13
5.1 General		13
5.1.1	Tests	13
5.1.2	Starting System	13
5.2 Lighting and Shut-Down Procedures ....		13
5.2.1	Lighting Procedures	13
5.2.2 Normal Shut-Down Procedures		14
5.2.3 Emergency Shut-Down		14
5.3 Switchover to Propane Operation		14

7.0	MAINTENANCE			15
7.1		General		15
7.2		Sequence of Operation		16
8.0	PARTS AND TECHNICAL SUPPORT			17
8.1		Wiring Diagrams		17
	8.1.1		Wiring Diagram (Lo-Hi-Lo)	18
	8.1.2		Control Logic Diagram (Lo-Hi-Lo)	19
	8.1.3		Wiring Diagram (On-Off)	20
	8.1.4		Control Logic Diagram (On-Off)	21

It is essential to read, understand, and follow the recommenda- tions of this manual before installing, operating, or servicing this equipment. Failure to do so could result in serious injury, death, and/or property damage.

The information and instructions herein pertain only to equip- ment supplied by Patterson-Kelley Company. Patterson-Kelley is not responsible for equipment supplied by others, nor for any adverse effects such equipment might have on equipment sup- plied by Patterson-Kelley.