Connections Between Thermostat And Equipment Arttp001S (Sms-1); Connections Between Thermostat And Equipment Arttp002S (Shp-2) - York ARTTP001S User Manual

3.3 - Connections between thermostat and equipment
terminals - A R T T P 0 0 1 S
Thermostat Unit
terminal terminal
W 2 W 2
Y 2 Y 2
W1 W1
Y1 Y1
G G
R R
24V
24V(c) B
O
B -
LED1 -
LED2 X
RS2 -
RS1
RS+V
No
COM
NC
6 6
3 - Wiring (cont'd)
Description
Energises on a call for 2nd stage heat
Energises on a call for 2nd stage cool
Energises on a call for 1st stage heat
Energises on a call for 1 s t stage cool
Energises the fan circuit
24 VAC Live from HVAC unit
24 VAC live
24 VAC common
Energises 4- way valve in cooling mode
-
Refrigerant circuit fault
Remote Sensor (option).
Contacts changeover in occupied mode
3.4 - Connections between thermostat and equipment
terminals - A R T T P 0 0 2 S
Thermostat Unit
terminal terminal
W 2 W 2
Y 2 Y 2
W1 W1
Y1 Y1
G G
R R
24V
24V(c) X
O O
B B *
LED1 optional
LED2 LED2*
RS2 -
RS1
RS+V
No
COM
NC
Use only copper conductors only. Section > 1mm
* Only used on RTH-B, SOH-B and SCOH-B with Rol-on board.
Description
Energises auxiliary heat as 2nd stage
emergency heat
Energises on a call for 2nd stage heat
or cool
Energises auxiliary heat as 1st stage
emergency heat
Energises on a call for 1 s t stage heat
or cool
Energises the fan circuit
24 VAC Live from HVAC unit
24 VAC live
24 VAC common
Energises 4- way valve in cooling mode
Energises 4 way valve in heating mode
Dirty filters
Refrigerant circuit fault
Remote Sensor (option).
Contacts changeover in occupied mode
2 .