Wiring Diagrams For Single Heating Zone And Hot Water Timer; A - Boiler (Radiator System) And Hot Water Pump Control - Computime Salus Controls iT500 Full User Manual

2.3.2 Wiring diagrams for single heating zone and hot water timer

A - Boiler (radiator system) and hot water pump control

Hydraulic diagram:
Electric diagram:
AC 230V
L
N
Boiler - Boiler connection*
- Boiler's contacts for ON/OFF
thermostat (according to the
boiler's instructions)
Changeover valve
M
Pump
M
ON / OFF
L
CH
L
OUTPUT
COM
iT500RX
NO
N
N
Legend:
DHW immersion
AT10F T
thermostat
Radiator heating
Hot water tank
DHW
T
AT10F
DHW
AUX
OUTPUT
COM
NO
1
AT10F
C
SL
L
N
M
NO, COM, NC - voltage-free output
TIMER
iT500TX
3V
2 x AA
COM NO
NO
(input)
COM
NC
RM-16A
Symbols explanation:
L, N - power supply 230V
SL - 230V AC voltage output
- fuse
9