Installation Guide

Electrical Diagram
18kW, 21kW, 24kW, 27kW
H3
TRIAC 3
T1
T2
T3
HEATER CONTROL
CTRL1
GROUND
BAR
L1
L2
L1
L2
L1
L2
HEATER
DISPLAY
TRIAC 2
TRIAC 1
SNSR1
FLOW SENSOR
SNSR2
TEMP SENSOR
SNSR3
TEMP SENSOR
H2
H1
T1, T2, T3 = Thermostat
H1, H2, H3 = Heating Element
SNSR2 = Inlet Temperature Sensor
SNSR3 = Outlet Temperature Sensor
TERMINAL
BLOCK
9