Honeywell thr840duk

Installation and Setup
16
homexpert
tm
by Honeywell THR840DUK Digital Thermostat
17
Wiring diagrams
Thermal actuator Zone valve
L
N
Wiring diagrams
Zone valve
(drive open, drive closed)
Electric resistance
heater
This Manual: http://www.manuallib.com/file/2598268