Titus T3SQ-2 User manual

3.
1.
2.
T3SQ-2-IOM-1.0
Installation, Operation & Maintenance of the T3SQ-2
Electronic VAV Diffuser
Step 1 The units should be shipped assembled except for the backpan. The thermal T3SQ is shipped with
additional packaging to protect the actuator assembly. Remove all packaging from the components.
If the unit is not assembled, follow the steps below before proceeding (see Figure 1):
1. Insert the control disc guide into the control disc.
2. Screw the bottom of the actuator / control disc assembly into the mounting channel.
Place the back pan into ceiling grid. Connect duct work to back
pan. Insert the supply air temperature sensor into the supply
duct. If the unit has an optional inlet heater, the supply air
sensor must be positioned above the heater in the supply duct.
Installation is completed by lining up the hooks on the face
plaque assembly with the corresponding slot. Attach the ribbon
cable on actuator / control disc assembly through wiring conduit.
The hooks are inserted and the face plaque assembly is rotated
clockwise, and lowered so that each hook is firmly in place. (See
Figure 2)
Plug the ribbon cable on actuator / control disc assembly into
any ribbon cable connection on the wiring interface box on the
backpan.
Step 2
Figure 2. Face Panel Installation
Note: The T3SQ-2 diffuser is shipped as a dummy unit. Master and drone operation is
determined by the wiring – discussed in Step 3. Master and drone locations are not needed
at this point in installation.
Figure 1. T3SQ-1 Assembly
Step 3
11-20-2023

Step 4Wiring Instructions:
T3SQ-2-IOM-2.0 11-20-2023

T3SQ-2-IOM-3.0 11-20-2023

All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage retrieval system without permission in writing from Tomkins Industries, Inc.
Note: This IOMis meant to demonstrate general dimensions of this product. Thedrawings onthis IOMare not meant todetail every aspect of the product with exactness. Drawings are not to scale.
TITUS reserves the right tomake changes without written notice.
T3SQ-2-IOM-4.0 11-20-2023

Note: This IOMis meant to demonstrate general dimensions of this product. Thedrawings onthis IOMare not meant todetail every aspect of the product with exactness. Drawings are not to scale.
TITUS reserves the right tomake changes without written notice.
Optional Inlet Heater Operation
The optional SCR controlled inlet electric heater is mounted in the neck of
the T3SQ-2 diffuser. (Line voltage must be supplied to the electric heaters.)
If the inlet heater is used with the T3SQ-2, all wiring will still be connected
through the wiring interface box on the backpan of the diffuser. As shown
on the diagram below, there is only 1 additional component (heater
interface adapter fig. 8) and 1 additional cable (blue RJ-45). The power
wiring to the heater has to be connected by removing the face from the
wiring interface board enclosure per Figure 7. The wires must be routed
through the grommets, connected to L & N, and then re-attach the face of
the enclosure. Using the heater interface adapter in figure 8, attach the
gray ribbon cable to the adapter using the extra black connector on the
ribbon cable. On the opposite end of the heater interface adapter, the blue
RJ-45 cable is needed to connect to the RJ-45 port on the heater interface
board.
The controller / thermostat will energize the inlet heater when the zone
temperature is 1oF below setpoint. The SCR heater controller will modulate
a time pulsed signal from minimum output to full output over a 2oF
temperature range. At 3oF over setpoint the heater will be at full output.
An airflow switch and two thermal cutouts protect the heater from operation
without airflow or at temperatures above 200oF.
Figure 6. Optional Inlet Heater
Figure 7. Optional Inlet Heater Wiring
Figure 8. Heater InterfaceAdapter
Figure 9. Wiring Pictorial
Heater Interface
Adapter
Plaque mounted
controller
Blue RJ-45 cable
Gray Ribbon Cable
Interface box (located on
the backpan)
4-pin interconnect cable
Single Phase
Power Supply Heater Interface
board
T3SQ-2-IOM-5.0 11-20-2023

T3SQ-2-IOM-6.0 4-11-11
Wiring Diagrams (208V / 240V)
Wiring Components
105070-01 Thermostat 316236-01 RJ-12 cable
Thermostat connection
105163-01 4-pin cable
Power supply / daisy chain
105184-01 Termination resistor
(See note 1 & 2 on wiring diagram)
T3SQ-2-IOM-6.0 11-20-2023

Wiring Diagrams (120V / 277V)
T3SQ-2-IOM-7.0 4-11-11
Wiring Components
105070-01 Thermostat
316236-01 RJ-12 cable
Thermostat connection
105163-01 4-pin cable
Power supply / daisy chain
105184-01 Termination resistor
(See note 1 & 2 on wiring diagram)
T3SQ-2-IOM-7.0 11-20-2023

Note: This IOM is meant to demonstrate general dimensions of this product. The drawings on this IOM are not meant to detail every aspect of the product with exactness. Drawings are not to scale.
TITUS reserves the right to make changes without written notice.
T3SQ-2-IOM-8.0 4-11-11
T3SQ-2-IOM-8.0 11-20-2023