Lochinvar 80 - 285 User Manual Page 42
- Page / 76
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
Installation & Operation Manual
42
7 Gas connections
Connecting gas supply piping
1. Remove the top access panel and refer to FIG.’s 7-1 and
7-2 to pipe gas to the boiler.
a. Install ground joint union for servicing, when
required.
b. Install a manual shutoff valve in the gas supply
piping outside boiler jacket when required by local
codes or utility requirements.
c. In Canada – When using manual main shutoff
valves, it must be identified by the installer.
2. Install sediment trap / drip leg.
SEDIMENT TRAP / DRIP LEG
Figure 7-1 Gas Supply Piping - Models 80 - 210
3. Support piping with hangers, not by the boiler or its
accessories.
Do not check for gas leaks with an open
flame – use the bubble test. Failure to use
the bubble test or check for gas leaks can
cause severe personal injury, death, or
substantial property damage.
4. Purge all air from the gas supply piping.
5. Before placing the boiler in operation, check the boiler
and its gas connection for leaks.
a. The appliance must be disconnected from the gas
supply piping system during any pressure testing of
that system at a test pressure in excess of 1/2 PSIG
(3.5 kPa).
b. The appliance must be isolated from the gas supply
piping system by closing a manual shutoff valve
during any pressure testing of the gas supply piping
system at test pressures equal to or less than 1/2 PSIG
(3.5 kPa).
c. The appliance and its gas connection must be leak
tested before placing it in operation.
The gas valve and blower will not support
the weight of the piping. Do not attempt
to support the weight of the piping with
the boiler or its accessories. Failure to
comply could result in severe personal
injury, death, or substantial property
damage.
WARNING
WARNING
6. Use pipe sealing compound compatible with propane
gases. Apply sparingly only to male threads of the pipe
joints so that pipe dope does not block gas flow.
SEDIMENT TRAP / DRIP LEG
Figure 7-2 Gas Supply Piping - Model 285
Failure to apply pipe sealing compound as
detailed in this manual can result in severe
personal injury, death, or substantial
property damage.
Knight boilers are typically shipped ready
to fire on natural gas. Check boiler rating
plate to determine which fuel the boiler is
set for. If set to natural gas, it may be
converted to LP by installing an orifice
(see page 13). In order to operate on LP
gas, an orifice MUST BE installed. Failure
to comply could result in severe personal
injury, death, or substantial property
damage.
WARNING
WARNING
- Models: 80 - 285 1
- Starting Serial #H07H10040039 1
- Hazard definitions 2
- Contents 2
- Please read before proceeding 3
- Models 80 - 210 5
- Model 285 6
- Knight Boiler 7
- I=B=R Rating 7
- Other Specifications 7
- 1 Determine boiler location 10
- (continued) 11
- 2 Prepare boiler 13
- 3 General venting 14
- General venting (continued) 15
- 4 Sidewall direct venting 21
- Field Supplied Option) 23
- Prepare wall penetrations 23
- Description and usage 25
- 5 Vertical direct venting 28
- Prepare roof penetrations 29
- Termination and fittings 29
- 6 Hydronic piping 32
- Circulator sizing 33
- Hydronic piping (continued) 35
- 7 Gas connections 42
- Gas connections (continued) 43
- 8 Field wiring 46
- 8 Field wiring (continued) 47
- 9 Condensate disposal 50
- 10 Start-up 51
- 10 Start-up (continued) 53
- 11 Operating information 57
- Boiler temperature regulation 59
- Sequence of operation 61
- Knight boiler control module 63
- Status Display Screens 65
- 12 Maintenance 69
- 12 Maintenance (continued) 71
- 13 Diagrams 74
- 13 Diagrams (continued) 75
Related products and manuals for Water boiler Lochinvar 80 - 285
Water boiler Lochinvar 502 User Manual
(16 pages)
(16 pages)
Water boiler Lochinvar RPV-I&S User Manual
(16 pages)
(16 pages)
Water boiler Lochinvar 1 User Manual
(68 pages)
(68 pages)
Water boiler Lochinvar XV User Manual
(2 pages)
(2 pages)
Water boiler Lochinvar CREST 3 User Manual
(56 pages)
(56 pages)
Water boiler Lochinvar 81 - 286 User Manual
(80 pages)
(80 pages)
Water boiler Lochinvar LC User Manual
(2 pages)
(2 pages)
© 2020, manymanuals.com. All rights reserved. | 0.465 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comments to this Manuals