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TWO CHAMBER MODELS
INTERNAL WORKINGS AND PARTS IDENTIFICATION
LEGEND
1. Heating Element #1
2. Heating Element #2
3. Inlet Water Tube, ¾” NPT
4. Water-Level Detect Screw
5. Outlet Water Tube, ¾” NPT
6. Disable, Demand Control
7. Heating Element Relays (4)
8. Transformer
9. LED Light Indicator
10. Audible Speaker
11. Output Temperature Control
12. Microprocessor Control Chip
13. Blue Button; Manual Audible Activation
LEGEND
14. Triacs (2)
15. Triac Mounting Blocks to Heat Sink (2)
16. Copper Heat Sink Tube
L1 – Power Connection Lugs (208 – 240 VAC)
L2 – Power Connection Lugs (208 – 240 VAC)
Limit: Over Temperature Limit Switch
TH-IN: Inlet Temperature Sensor
TH-1: Chamber Temperature Sensor #1
TH-2: Chamber Temperature Sensor #2