iO HVAC Controls iO-WR Installation & Operation Manual

Wireless 915mhz
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iO-WR WIRELESS RELAY
Installation, Operation Manual

Introduction

The iO-
WR
wireless relay system consists of 2 units; an iO-
Transceiver Moduleand an iO-
transceiver is equipped with 3 digital input channels and 1 relay output channel.
The satellite transceiver has 1 digital input and 3 relay output channels. The
digital inputs are compatible with 24
switched through onboard relays. When properly installed and configured, the
iO-
WR
system provides reliable wireless communication between two devices.
Although the iO-
unimpeded communication between the two devices can vary depending on
barriers created by interior and exterior walls and their material composition.
The iO-
WR
communicates on the 915
approved for use in the
Each transceiver is equipped with a bi-color
operational state. The transceivers also have a momentary pushbutton which is
used to "pair" two units together, "unpair" previously paired units, or force a data
transaction.
NOTE: The wireless relay transceivers are already factory paired and will
begin to communicate once 24 volts is applied to each unit.
iO-WRBBM
WIRELESS
BASE TRANSCEIVER
REV 1
HVAC Controls
WR
-401-B
BASE
TRANSCEIVER
2. Once the base transceiver is mounted, take the access cover off by removing
the two screws. Refer to the iO-
3. Use only 18-gauge solid (not stranded) thermostat wire. When connecting
wires to the transceiver terminals, strip approximately 1/4" of insulation and push
wire into designated terminal. Do not over-tighten the mounting screws.
REV 2
WRSM
WR
has a line-of-site transmission distance of up to 100 feet,
US
, Canada, Australia and New Zealand.
ACCESS COVER
REMOVED
WRBM
Satellite Transceiver Module. The base
VAC HVAC
systems. The outputs are
MH
z frequency band and is certified and
LED
that is used to indicate its
I
nstallation
Both the base and satellite
transceiver require continuous
24
VAC
iO-
WRBM
Transceiver Module
1.Mount the iO-
Transceiver on a non-metalic
surface in a location that allows
access to the thermostat wiring
at the indoor unit.
Do not mount inside the unit
cabinet or inside any metal
enclosure as this will greatly
impede transmission distance.
wiring diagram.
915
MH
WRBM
-B Base
.
Base
WRBM
z
Base

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Summary of Contents for iO HVAC Controls iO-WR

  • Page 1 WIRELESS RELAY Installation, Operation Manual REV 2 Introduction The iO- wireless relay system consists of 2 units; an iO- WRBM -B Base Transceiver Moduleand an iO- WRSM Satellite Transceiver Module. The base transceiver is equipped with 3 digital input channels and 1 relay output channel.
  • Page 2 TYPICAL WIRING FOR HEAT / 2 COOL HEAT PUMP iO-WRBM BASE BUTTON TRANSCEIVER MODULE TERMINAL DESIGNATIONS C = 24VAC COMMON R = 24VAC HOT W = AUXILIARY HEAT (REC) O/B = REVERSING VALVE (SEND) Y2 = SECOND STAGE COMPRESSOR (SEND) Y1 = FIRST STAGE COMPRESSOR (SEND) G = FAN 4.
  • Page 3 TYPICAL WIRING FOR HEAT COOL HEAT PUMP iO-WRSM SATELLITE TRANSCEIVER MODULE BUTTON TERMINAL DESIGNATIONS C = 24VAC COMMON R = 24VAC HOT AUXILIARY HEAT SEND O/B = REVERSING VALVE REC Y2 = SECOND STAGE COMPRESSOR REC Y1 = FIRST STAGE COMPRESSOR REC A separate transformer may be required if 24 is not...
  • Page 4 2-5/8” W x 5-1/8” H x 1-1/8” D Compliance The iO-WR Wireless Relay System has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

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