Wiring Guide

ManualsBrandsTekmar ManualsHeating SuppliesMixing Expansion Module - Variable Speed / Floating Action / Modulating

W 444

12/08

Mixing Expansion Module 444

- Wiring Brochure

Information

Brochure

Choose controls

to match

application

Application

Brochure

Design your

mechanical

applications

Rough-in

Wiring

Rough-in

wiring

instructions

Wiring

Brochure

Wiring and

installation of

specific control

Job

Record

Record settings &

wiring details for

future reference

Data

Brochure

Control settings

and sequence of

operation

Overview

The Mixing Expansion Module 444 must be wired to a tekmarNet

4 System Control and cannot operate as a stand alone

control. The 444 operates either a variable speed injection pump, a floating action actuator motor, or a mixing device that

accepts an analog 0-10 V (dc), 2-10 V (dc), 0-20 mA, or 4-20 mA signal.

Black

Red

Blue

Green

Power: 24 V (ac) ±10% 50/60 Hz 4 VA, 56 VA full load

Sys Pmp (Rear): 120 V (ac) 5 A

Sys Pmp (Front): 24V (ac) 2 A

Var. Pmp: 120 V (ac) 2.4 A

Floating Output: 24 V (ac) 8 VA

min. 0.6 VA

Mixing Expansion Module 444

Variable Speed / Floating Action /

Modulating

0-10 V (dc)

Actuator

2-10 V (dc)

Variable

H3009A

Mix % Out

tektra 1018-01

tN4

Power

System Pump

For product instructions,

see brochure.

Made in Canada

Signal wiring

must be rated at

least 300V / 90°C

Cut for mA output

tN4

Mod

Com

Mix

Power ClsOpn

Sys

Pmp

No Power

Date Code

Meets Class B: Canadian

ICES, FCC Part 15

Summary of content (12 pages)

PAGE 1
- Wiring Brochure W 444 12/08 Mixing Expansion Module 444 1 Information Brochure 2 Application Brochure Choose controls to match application 3 Design your mechanical applications Rough-in Wiring 4 5 Wiring Brochure Wiring and installation of specific control Rough-in wiring instructions Data Brochure Control settings and sequence of operation 6 Job Record Record settings & wiring details for future reference Overview The Mixing Expansion Module 444 must be wired to a tekmarNet®4 System Cont
PAGE 2
Table of Contents Wiring Symbols & Definitions ........................................2 Troubleshooting the Wiring .......................................... 10 Module Installation .........................................................3 Testing the Module .................................................. 10-11 Electrical Drawings ......................................................3-7 Technical Data .............................................................. 12 Wiring the Module ............
PAGE 3
Module Installation • On a smaller electrical box (Figure 2) where the extra low voltage (ELV) wiring enters the module from outside the electrical box. The ELV wiring must be used only on CEC/NEC Class 2 circuits per the CEC/NEC. To Install the 444: 1. Grasp the front cover by the fingertip grips on the top and bottom of the enclosure and pull the front cover off. 2. Remove the wiring cover screw. 3. The mounting holes in the enclosure accept #6 screws. Figure 2 5.
PAGE 4
Electrical Application 444 E1 Description: The Mixing Expansion Module 444 communicates to a tN4 System Control and operates the speed of a variable speed injection pump. The 444 can also operate a mix system pump from either the front or from the back of the module.
PAGE 5
Electrical Application 444 E2 Description: The Mixing Expansion Module 444 communicates to a tN4 System Control and operates a floating actuating motor to change the position of a mixing valve. The 444 can also operate a mix system pump from either the front or the back of the module.
PAGE 6
Electrical Application 444 E3 Description: The Mixing Expansion Module 444 communicates to a tN4 System Control and operates an analog 0-10 V (dc), 2-10 V (dc), 0-20 mA, or 4-20 mA signal. tN4 Bus Reset Zone Module Manager The analog signal can be used to operate an actuating motor, a variable frequency drive (VFD), or a modulating steam to hot water valve. Thermostat The 444 can also operate a mix system pump from either the front or the back of the module.
PAGE 7
Electrical Application 444 E4 Description: The Mixing Expansion Module 444 communicates to a tN4 System Control and operates a floating actuating motor to change the position of a 4-way valve. tN4 Bus Reset Zone Module Manager The 444 can be powered using an external 24 V (ac) transformer. However, the tN4 and C terminals must connect to a tN4 mix bus.
PAGE 8
Wiring the Module Terminals 1-9 The following section explains how to wire individual devices to the Mixing Expansion Module 444. For step by step wiring refer to the terminal number on the right of the page. • Before wiring ensure all power is turned off and take all necessary precautions. • Strip all wiring to a length of 3/8 in. or 10 mm for all terminals. • Refer to the current and voltage ratings at the back of this brochure before connecting devices to this control.
PAGE 9
System Pump Red wire or Terminal 4 2. 24 V (ac) output on the front of the module. • Connect the Sys Pmp terminal 4 to a Zone Manager 335 or 336 Pmp A input (terminal 3). Then wire the mix system pump to the Zone Manager 335 zone group pump A (terminals 30 and 31) or Zone Manager 336 zone group pump A (terminals 22 and 23). • Connect the Sys Pmp terminal 4 to a Dual Zone Manager 337 Pmp B input (terminal 3). Then wire the mix system pump to the Dual Zone Manager 337 zone group pump B (terminals 29 and 31).
PAGE 10
tN4 Communication Terminals 1, 2 444 Wire the tN4 communication to terminals tN4 and C on the desired tN4 mix temperature bus. 1 tN4 2 C If a Zone Manager is used: • Connect tN4 terminal 1 on the 444 to tN4 on the Zone Manager. • Connect C terminal 2 on the 444 to C on the Zone Manager. If a Zone Manager is not used: tN4 C Zn Grp A 1 2 • Connect tN4 on the 444 to tN4 on another tN4 device on the same mix tN4 bus. • Connect C on the 444 to C on another tN4 device on the same mix tN4 bus.
PAGE 11
Testing the System Pump Terminals 2, 4 The System Pump LED is green when the Pump contact is energized. If using the output on the back of the module: If using the 24 V (ac) output on the front of the module: • Use a voltmeter to check for 24 V (ac) +/- 10% between the Sys Pmp and the C terminals. • Use a voltmeter to check for 120 V (ac) +/- 10% between the Red wire and neutral.
PAGE 12
Technical Data Mixing Expansion Module 444; Variable Speed / Floating Action / Modulating Control Microprocessor PID control; This is not a safety (limit) control Packaged weight 1.