Lochinvar Hydronic Sleuth Challenge FIXED 3
Transcrição
Lochinvar Hydronic Sleuth Challenge FIXED 3
April’s Correct Diagnosis Answer 1. 50 feet of 1-1/2” piping only provides 923,000 Btu/Hr capacity. Piping size must be increased to 2”. 2. Improper installation of flow switch. Each heat exchanger must use individual flow switches for proper verification of flow. 3. Outdoor temperature sensor should measure 15,311 ohms at 60°F. Sensor must be replaced. Lochinvar SYNC Boiler Low Voltage Only Line Voltage Only 8 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 FS2 FS1 120V L Supply N Tank Sensor System Sensor Outdoor Sensor (+) 0-10V(dc) (-) A B Shield Gnd R W 9 10 11 12 13 14 Shield Gnd Hex2 Flow Switch 7 6 Enable Louver Proving 5 Tank Thermostat Run Time Contacts 3 4 Hex1 Flow Switch Alarm Contacts 1 2 Shield Gnd B A Shield Gnd Cascade Mod Bus 1 2 S1 S2 1.8amp Max HWG MAX 1.5HP/120V 3HP/240V Pumps Dry Contacts Provided 5AMP MAX Louvre Contacts Pump System HEX1 HEX2 Relay 3 4 5 6 7 8 9 10 11 12 P3 P1 P2 Thermostat (with proper voltage) L N L N 300 Maddox Simpson Parkway | L e b a n o n, T N 37090 | 615-889-8900 | w w w.L o c h i n v a r .c om
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