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Lochinvar 1.5 - page 1
-- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. -- WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a near by phone. Follow the gas supplie ...
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Lochinvar 1.5 - page 2
2 Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk level s 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 ...
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Lochinvar 1.5 - page 3
User’s Information Manual Please read before proceeding The Crest Installation and Operation Manual along with the Crest Service Manual are for use only by a qualified heating installer/service technician. Refer only to this User’s Information Manual for your reference. Improper installation, adjustment, alteration, service or maintenance can c ...
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Lochinvar 1.5 - page 4
1 Prevent combustion air contamination 4 If the boiler combustion air inlet is located in a laundry room or pool facility, for example, these areas will always contain hazardous contaminants. To prevent the potential of severe personal injury or death, check for areas and products listed in Table 1A before installing the boiler or air inlet piping. ...
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Lochinvar 1.5 - page 5
2 Maintenance schedule 5 WARNING Follow the maintenance procedures given throughout this manual. Failure to perform the service and maintenance or follow the directions in this manual could result in damage to the boiler or system, resulting in severe personal injury, death, or substantial property damage. Service technician (see the Crest Serv ...
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Lochinvar 1.5 - page 6
6 2 Maintenance schedule Maintenance procedures Boiler must be serviced and maintained WARNING The boiler must be inspected and started annually at the beginning of the heating season by a qualified service technician. In addition, the maintenance and care of the boiler designated on page 5 of this manual and explained on pages 6 through 8 must ...
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Lochinvar 1.5 - page 7
2 Maintenance schedule (continued) 7 WARNING The condensate trap (FIG. 2-1) must be filled with water during all times of boiler operation to avoid flue gas emission from the condensate drain line. Failure to fill the trap could result in severe personal injury or death. FROM CONDENSAT E VENT ON BOILER FROM CON DENSATE DRAIN ON BOILER TO FLOOR ...
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Lochinvar 1.5 - page 8
2 Maintenance schedule 8 WARNING Have leaks fixed at once by a qualified service technician. Failure to comply could result in severe personal injury, death, or substantial property damage. Operate relief valve 1. Before proceeding, verify that the relief valve outlet has been piped to a safe place of discharge, avoiding any possibility of scal ...
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Lochinvar 1.5 - page 9
9 3 Operating instructions F OR YO UR S AF ET Y RE AD BEF O RE OP ERAT ING W A RNI NG : I f y ou do no t f oll ow t hes e i nstr uct ions ex a c tl y , a f ir e or ex plosi on m ay r es ult caus i n g pr o per t y dam a ge, per so nal i njury , or los s of lif e. A. T h i s ap p l i an ce d o e s no t h a ve a p i l o t. It i s eq ui pp ed w i t h ...
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Lochinvar 1.5 - page 10
10 4 SMART TOUCH control module Outlet Water Temperature - This is the boiler outlet temperature. Inlet Water Temperature - This is the boiler inlet temperature. System Supply Temperature - This is the water temperature as measured by the system supply sensor located in the downstream piping (if connected). System Return Temperature - This is the w ...
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Lochinvar 1.5 - page 11
11 4 SMART TOUCH control module (continued) Figure 4-2 Main Menu Screen Use the Main Menu Screen (FIG. 4-2) to access the screens necessary to set temperatures, operating conditions, and monitor boiler operation. The Crest is equipped with a SMART TOUCH control system. All menu options are accessed by touching the screen with your finger or a stylu ...
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Lochinvar 1.5 - page 12
Revision Notes: Revision A (ECO #C07970) initial release. Revision B (ECO C11613) reflects the addition of models 4.0 and 5.0. FB-USER Rev B 11/12 ...
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