Install Instructions

1 2 3 4 5
24
R C
G Y1 W1 Y2 W2 R C
O/B
1 2 3 4 5 R C
B A
B A
B
A
THERMOSTAT
B
A
G Y1 W1 Y2 W2 R C
O/B
1
2
3
4
5
R
C
HVAC EQUIPMENT
TYPICAL WIRING
SENDER
MODULE
RELAY
RECEIVER
MODULE
FACTORY
JUMPER
SENDER MODULE TAG NUMBERS
AND COLOR CODE DESIGNATIONS
TAG COLOR DESIGNATION
1
2
3
4
5
24R
24C
GREEN
YELLOW
WHITE
PURPLE
BROWN
RED
BLACK
G - FAN
Y1 - 1ST STAGE COOL
W1 - 1ST STAGE HEAT
OR AUXILIARY/
EMERGENCY HEAT
Y2 - 2ND STAGE COOL
W2 - 2ND STAGE HEAT
OR REVERSING VALVE
24 VOLT (HOT)
24 VOLT (COMMON)
SPECIFICATIONS
Power Supply 24VAC +/- 20%
Power Consumption 0.15mA (No Relays)
0.45mA (All Relays)
Maximum Load Current 0.5 Amp @ 24VAC
Relay Switching Current 5 x 1 Amp (Volt Free)
Maximum Range 250 Feet
Transmission Lag Up to 5 seconds
Temperature 122° F (150° F Storage)
RH 95% (Non Condensing)
Recommended Cable 18-2 Shielded
LED Display (Relay Module) Green - Power ON
Yellow (Blinking) Data
Warranty 1 Year
DIMENSIONS
3.25”6.00”
0.5”
2.125”2.25”
3.375”
Indianapolis, IN 46237
www.iohvaccontrols.com
For Technical Support: 866-225-5032
iO-06-1326-031821