Table of Contents
Advertisement
Quick Links
CAUTION:
The heat transfer medium must be water or
other nontoxic fluid having a toxicity rating
or class of 1, as listed in Clinical Toxicology of
Commercial Products, 5th edition.
The pressure of the heat transfer medium
must be limited to a maximum of 30 PSIG by
an approved safety or relief valve.
LOW LEAD CONTENT
100307474_2000559957_Rev B
Glass Lined Indirect
Water Heater
Installation & Operation
Manual
Models: GIT040 - GIT119
This manual must only be used by
WARNING
a qualified heating installer / service
technician. Read all instructions
before installing. Perform steps in
the order given. Failure to comply
could result in severe personal
injury, death, or substantial property
damage.
Save this manual for future reference.
Advertisement
Table of Contents
Related Manuals for Lochinvar GIT040
Summary of Contents for Lochinvar GIT040
- Page 1 100307474_2000559957_Rev B Glass Lined Indirect Water Heater Installation & Operation Manual Models: GIT040 - GIT119 CAUTION: The heat transfer medium must be water or other nontoxic fluid having a toxicity rating or class of 1, as listed in Clinical Toxicology of Commercial Products, 5th edition.
-
Page 2: Table Of 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 .......... -
Page 3: Please Read Before Proceeding
Glass Lined Indirect Water Heater Installation & Operation Manual Please read before proceeding Installer – Read all instructions before • Installation and service must be performed by a qualified WARNING installing. Perform steps in the order given. installer, service agency, or the gas supplier. Have this indirect water heater serviced/ Failure to adhere to the guidelines on this WARNING... -
Page 4: General Information
Glass Lined Indirect Water Heater Installation & Operation Manual General information Single-wall heat exchanger The Lochinvar series indirect water heater (FIG. 1-1) is designed to generate domestic hot water in conjunction with Uniform plumbing code a hot water boiler using forced boiler water circulation. This... -
Page 5: Pre-Installation
Characteristic Min. Max. installed in a drain pan suitable for water heaters. Lochinvar shall not be held liable for any such water damage. The tank may be located some distance from the boiler Chloride (PPM) provided the pump is designed to provide the flow called for in Table 3A - Domestic and Boiler Piping Connection Sizes, through the coil. -
Page 6: Boiler Side Piping
Domestic and Boiler Piping Connection Sizes PRESSURE DROP WATER WATER COIL TUBE (FT/HD) COIL CONNECTION MODEL INLET OUTLET LENGTH DIAMETER (NPT) (NPT) (NPT) (FT) (IN) GIT040 1.25 30.8 1.25 0.75 GIT050 1.25 36.5 1.25 0.85 GIT080 41.5 1.25 GIT119 67.3 1.25... - Page 7 Glass Lined Indirect Water Heater Installation & Operation Manual Boiler side piping (continued) Figure 3-1 Piping Diagram Zoned with Circulators ZONE #1 PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE #2 ZONE #3 ZONE #4 BACKFLOW PREVENTER ZONE CIRCULATORS (TYPICAL) MAKE UP WATER SYSTEM SUPPLY SENSOR (WHEN USED)
- Page 8 Glass Lined Indirect Water Heater Installation & Operation Manual Boiler side piping Figure 3-2 Piping Diagram Zoned with Valves ZONE #1 PRESSURE PRESSURE REDUCING VALVE GAUGE ZONE #2 ZONE #4 ZONE #3 BACKFLOW PREVENTER ZONE VALVES (TYPICAL) SYSTEM SUPPLY SENSOR MAKE UP WATER (WHEN USED) DIFFERENTIAL...
- Page 9 Glass Lined Indirect Water Heater Installation & Operation Manual Boiler side piping (continued) Figure 3-3 Knight Boiler Primary / Secondary Piping PRESSURE REDUCING VALVE BACKFLOW PRESSURE PREVENTER GAUGE MAKE UP WATER SEPARATOR SYSTEM SUPPLY SENSOR FROM SYSTEM SYSTEM SYSTEM BALL VALVE CIRCULATOR Y-STRAINER (TYPICAL)
- Page 10 Glass Lined Indirect Water Heater Installation & Operation Manual Boiler side piping Figure 3-4 Multiple Tank Connections PRESSURE REDUCING VALVE BACKFLOW PREVENTER PRESSURE GAUGE MAKEUP WATER SEPARATOR SYSTEM SUPPLY SENSOR FROM SYSTEM SYSTEM NOT TO EXCEED 4 PIPE DIA. SYSTEM OR A MAXIMUM OF 12”...
-
Page 11: Domestic Side (Tank) Piping Basic Domestic Piping
Glass Lined Indirect Water Heater Installation & Operation Manual Domestic side (tank) piping Basic domestic piping Domestic water piping for distant fixtures Figure 4-2 on page 14 shows typical domestic water piping In some cases the furthest fixture may be quite distant from for a tank. -
Page 12: Anti-Scald Valves (Mixing Valves)
Determine T&P relief valve size by the following specifications, unless they conflict with local codes: Figure 4-1 Drain Valve Installed GIT040/050 - 3/4" NPT with a minimum CSA Rating of 105,000 Btu/hr. GIT080/119 - 3/4" NPT with a minimum CSA Rating of 205,000 Btu/hr. - Page 13 Minimum Relief Valve (CSA Rating) feet of piping can reduce discharge capacity. Model Btu/hr - directly connected to a drain. Refer to local codes. - subject to freezing. GIT040 105,000 GIT050 105,000 Do not install any valve between the T&P WARNING...
-
Page 14: Wiring
Glass Lined Indirect Water Heater Installation & Operation Manual Wiring Indirect water heater sensor setup (Knight boiler) Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and CAUTION dangerous operation. The sensor supplied contains an Auto Reset High Limit (194°F). NOTICE Connect tank sensor Install tank sensor... -
Page 15: Indirect Water Heater Controlled Using Aquastat And Zone Circulator
(continued) Indirect water heater controlled using Aquastat and zone circulator / valve Install Aquastat to tank. Aquastat control (100208546) can be ordered from your local Lochinvar distributor. Connect Aquastat to the zone controller for the Indirect Water Heater Zone. Adjust Aquastat to the desired temperature. -
Page 16: Start-Up And Check-Out
Glass Lined Indirect Water Heater Installation & Operation Manual Start-up and check-out 1. Make sure the system is free of leaks and that air is purged from the system. Fix any leaks found before proceeding CAUTION further. Leakage from the boiler piping can result in severe damage to the boiler. -
Page 17: Maintenance
Glass Lined Indirect Water Heater Installation & Operation Manual Maintenance The Lochinvar GIT series indirect water heater is an extremely Homeowner monthly maintenance to include: simple device and as such requires very little maintenance. Visually check valves, pipes, and fittings for leaks. Call a There are, however, several items which should be checked qualified service technician to repair leaks. -
Page 18: Performance Data
F/hr Gal/hr Heat Source Gal. Gal. Feet W.C. Number Btu/hr GIT040 96,000 GIT050 132,000 GIT080 175,000 GIT119 197,000 • These ratings were obtained with a heat source output and heat source flow rate as listed in the chart using the parameters of the Domestic Cold Water Inlet at 58°F, Domestic Temperature Rise of 77°F, and a Boiler Temperature Output of 180°F. -
Page 19: How To Properly Size Your Indirect Water Heater
Glass Lined Indirect Water Heater Installation & Operation Manual Performance data (continued) How to properly Size Your Indirect Water Heater Use the First Hour Rating (FHR) to properly size your Indirect Water Heater. The First Hour Rating is the amount of hot water in gallons the heater can supply per hour (starting with a tank full of hot water), depending on tank capacity, source of heat, and the size of the burner. -
Page 20: Performance Data Charts
Performance data (continued) Table 8B First Hour Rating - 180°F Boiler Loop Water (Universal Sizing) First Hour Rating - 180°F Boiler Loop Water (Universal Sizing - 45,000 - 260,000 Btu/hr) Model GIT040 GIT050 Circulator Flow Domestic Outlet 40,000 60,000 70,000... - Page 21 Glass Lined Indirect Water Heater Installation & Operation Manual Replacement parts REPLACEMENT PARTS LIST PART NUMBER DESCRIPTION 100208545 Th ermostat, Sensor, -20+105C 100208546 Aquastat, 40-180° 100306392 Anode 11.81 (GIT040, GIT050) 100306396 Anode 17.71 (GIT080, GIT119)
- Page 22 Glass Lined Indirect Water Heater Installation & Operation Manual Notes...
- Page 23 Glass Lined Indirect Water Heater Installation & Operation Manual Notes...
-
Page 24: Revision Notes
Revision Notes: Revision A (PCP# 3000024508 / CN# 500015339) initial release. Revision B (PCP #3000026014 / CN #500015684) reflects an update to Table 3A on page 6, Table 8A on page 18, and Table 8B on page MM #100307474_DIR #2000559957 Rev B 06/18 - Printed in U.S.A.
Need help?
Do you have a question about the GIT040 and is the answer not in the manual?
Questions and answers