Coates ST Series Installation, Operation And Maintenance Manual

8, Coates ST Series LIMITED WARRANTY The company extends this limited warranty to the original purchaser of a Coates Electric Spa Heater. Coates warrants the electrical components* and wiring (excluding enclosure, enclosure parts, knobs and accessories) in this new Spa Heater to be free from defe…

2, 1.0 DESCRIPTION Coates Spa Heaters are intended for use on spas or hot tubs having a forced water circulation system. The water flow through the heater should be at least 15 GPM but should not exceed 80 GPM. Higher flow may damage the heater. An external bypass should be installed to lim…

5, WARNING: Only qualified personnel should attempt maintenance on this equipment. (NEC Article 100) HEATER TROUBLE SHOOTING GUIDE - CAUTION - This heater incorporates 240 volt electrical circuits. Do not open the case unless unit is disconnected from electrical power. Use only manu…

4, MODEL 12406ST / 12411ST Wiring Diagram 1 2 HTL: HI-TEMP CUT OFF “MANUAL RESET”. TC: TEMPERATURE CONTROL - THERMOSTAT. ELM 1 - 2: HEATING ELEMENT(S). CON 1: CONTACTOR, 2 POLE, 50 AMP RES. PL 1: PILOT LIGHT “ELEMENT”. PL 2 PILOT LIGHT “FLOW SWITCH”. FLOW: FLOW SWITCH RLY: FLOW…

6, IMPORTANT SAFETY INSTRUCTIONS When using this electrical equipment, basic safety precautions should always be followed, including the following. 1) READ AND FOLLOW ALL INSTRUCTIONS. 2) To reduce the risk of injury. A) The water in a pool or tub should never exceed 104°F (40°…