Lochinvar SIT119, SIT030 operation manual Hazard definitions, Contents, Danger

Models: SIT030 SIT119

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Contents

Contents

HAZARD DEFINITIONS

2

Anti-scald Valves (Mixing Valves)

.............................

12

PLEASE READ BEFORE PROCEEDING

3

Install Drain Valve

12

1. GENERAL INFORMATION

 

Temperature and Pressure (T&P) Relief Valve

12

Operating Restrictions

4

Table 4A - Minimum Relief Valve (AGA Rating)... 13

Single-Wall Heat Exchanger

4

5. WIRING

 

 

2. PRE-INSTALLATION

 

Indirect Water Heater Sensor Setup (Knight Boiler)

15

Locating the Tank

5

Install and Connect Tank Sensor

15

Recommended Clearances

5

Indirect Water Heater Controlled Using Aquastat and

 

3. BOILER SIDE PIPING

 

Zone Circulator

16

Zone with Circulator to Aquastat

6

6. START-UP AND CHECK-OUT

17

Zone with Valve to Aquastat

6

7. MAINTENANCE

 

 

DHW Prioritization

6

Maintenance Schedule

18

Multiple Tank Connections (Boiler Side)

6

To Fill the Water Heater

18

Table 3A - Pressure Drop Chart

6

To Drain the Water Heater

18

Table 3B - Pressure Drop Values

6

8. PERFORMANCE DATA

 

 

Piping Diagrams

7-10

IBR Chart

19

4. DOMESTIC SIDE (TANK) PIPING

 

How to Properly Size Your Indirect Water Heater

20

Basic Domestic Piping

11

Performance Data Charts

21-23

Multiple Tank Domestic Water Piping

11

REVISION NOTES

Back Cover

Domestic Water Piping for Distant Fixtures

11

 

 

 

Hazard definitions

The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.

￿DANGER

￿WARNING

￿CAUTION

CAUTION

NOTICE

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.

NOTICE indicates special instructions on installation, operation, or maintenance that are important but not related to personal injury or property damage.

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Lochinvar SIT119, SIT030 operation manual Hazard definitions, Contents, Danger