Hatco Corporation
Booster Water Heater Presentation
30
1.
UI/Temp Control Card I2C Binary
Communication (Pin 2, 3)
2.
Temperature Probe
3.
Input Voltage 12 DCV (Pin 1 +, Pin 3 GND.)
4.
12 DCV Output to UI/Temp Control Card
5.
Stepper Motor
6.
Not Used (Analog Input Port)
02.01.487.00
12 Volt Stepper Motor Control
7.
DIP Switches are Nonfunctional
8.
Not Used (Programming Port)
9.
Not Used (SSR Relay Port
10. Not Used (UART Communication)
R02.01.458.00 12 VDC Dual Solid State Relay
•
Input Control Voltage 3 to 32 VDC
•
Output Voltage Range 24 to 265 VAC
•
Pulsed AC Voltage (cannot measure with
standard multimeter)
•
Coil Energized by UI Control Board
•
Supplies Line Voltage to Heating Elements
A2 to Top
Element
B2 to
Bottom
Element
To L1
To L1