Reznor ZQYRA User Manual
Form I-ZQYRA RB5 Display
.219”
(6mm)
1.125”
(29mm)
.91”
(23mm)
3.13” (80mm)
1.56”
(40mm)
(2) Cable Splitter and Signal
Booster Modules, P/N 260735
(2) 6-pin Connection
Cables, P/N 260175
2.75 (70mm)
6 0
A
B
SC
C
Front and Side Views with Dimensions
Unit Display
Main Controller
Attach cable splitter/signal
booster module for Option
RB5 to the wall of the
electrical compartment.
Installation of Option RB5,
Remote Mounted Display
Applies to: Z Series Model ZQYRA
Ventilation Unit
Description and
Application
Option
Components
The factory-installed display in the electrical control compartment allows complete
access to unit test features, schedules, discharge air setpoints, fan control, alarms,
and other unit operational setpoints. Option RB5 is a second, remote-mounted display
that can be eld-installed up to 656 ft (200M) from the unit allowing the same unit
access. NOTE: If the remote display needs to be mounted more than 656 ft (200M)
from the unit, contact the factory about adding a eld-supplied power supply required
to extend the range up to 1500 ft (457M).
Component List
P/N Qty Description
260178 1 Unit Display
260175 2 6-pin Connection Cable
260735 2
Cable Splitter and Signal
Booster Module
Unit Display, P/N 260178
Field-Supplied
Requirements
Installation
Instructions
Field-supplied 22 AWG to 18 AWG twisted pair wire (EIA 485) and an electrical junction
box are required.
1. Turn power off to the unit (lock the disconnect switch open).
2. Install one Cable Splitter and Signal Booster Module inside the Cabinet
a) Remove the electrical compartment access panel. Position one of the cable
splitter/signal booster modules (P/N 260735) on the wall of the electrical
compartment as illustrated. Attach it with the screws provided.
Upper Right
Corner of
the Electrical
Compartment
I-ZQYRA RB5 Display, P/N 260737, page 1
Remote-Mounted
Cable Splitter/
Signal Booster
Module
(field-
installed in STEP 3b)
6-pin Wire
Connection Cable
(factory-installed,
moved in STEP 2b)
6-pin Wire
Connection Cable
(field-installed, STEP 2C)
Maximum Length - 1500 ft (457M)
6-Pin Connection on
Main Controller
(factory-installed)
6-pin Wire
Connection Cable
(field-installed,
STEPS 3c, 4a, and 4b)
Field-supplied - 2 sets shielded twisted
pair wire, EIA485, 22 AWG to 18 AWG
Shield
Shield
Unit-Mounted
Display
(factory-installed
in the electrical
compartment)
Remote-Mounted
Display in Option RB5
(field-installed,
STEP 4)
Unit-Mounted
Cable Splitter/
Signal Booster
(field-installed in
STEP 2a)
Installation
Wiring Connections
on Cable Splitter
and Signal Booster
Module, P/N 260735
6 0
Plug
A
Screw Terminals
Plug
B
Plug
C
Instructions
(cont’d)
b) In the electrical compartment, nd the unit display and the main controller below
it (see illustration on page 1). At the main controller, locate and unplug the 6-pin
connection cable (the cable that connects from the unit display to the controller).
Move the disconnected end of the cable to the module installed in Step 2a) and
connect it to plug “A” (see illustration below).
c) Install one of the new 6-pin connection cables (P/N 260175), connecting one
end to the main controller and the other to plug “C” (see below) on the module
installed in Step 2a).
Terminal Screw
Connection
0 = Earth
1 1 +VRL=30 Vdc
2 2 GND
3 3 Rx-/Tx-
4 4 Rx+/Tx+
5 (not used) 5 (not used) GND
6 (not used) 6 (not used) +VRL=30 Vdc
Pictorial Installation of Option RB5, Remote Display
Pin Telephone
Connection
Meaning
I-ZQYRA RB5 Display, P/N 260737, page 2
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