Install Instructions

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

D 444

04/07

Mixing Expansion Module 444

- Data 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

•

• Requires a tN4 System Control

•

• Powered Variable Speed Injection Pump

•

• Powered 24 V (ac) Floating Action Output

•

• Analog 0-20 mA or 4-20 mA

•

• Analog 0-10 V (dc) or 2-10 V (dc)

•

• Powered 120 V (ac) System Pump

•

• Powered 24 V (ac) System Pump Signal

•

• CSA C US Certified for use in USA and Canada

The Mixing Expansion Module 444 provides six options for operating a variable speed injection pump, a floating action

actuator, or an analog 0-10 V (dc), 2-10 V (dc), 0-20 mA, or 4-20 mA signal. The 444 also provides an output for a system

pump. The 444 cannot operate alone and requires the use of a tN4 System Control that is capable of operating a Mixing

Expansion Module.

Introduction

Features

Mixing Expansion Module 444

Variable Speed / Floating Action /

Modulating

Mix % Out

tN4

Power

System Pump

For product instructions,

see brochure.

Summary of content (4 pages)

PAGE 1
- Data Brochure D 444 04/07 Mixing Expansion Module 444 1 Information Brochure 2 Application Brochure Choose controls to match application Design your mechanical applications 3 4 Rough In Wiring Wiring Brochure Wiring and installation of specific control Rough-in wiring instructions 5 Data Brochure Control settings and sequence of operation 6 Job Record Record settings & wiring details for future reference Introduction The Mixing Expansion Module 444 provides six options for operating a var
PAGE 2
Table of Contents Sequence of Operation...................................................2 System Pump Operation ................................................3 DIP Switch Settings ........................................................3 LED Status Indicators .....................................................3 Cleaning the Module ......................................................4 Error Messages ..............................................................4 Warranty ............................
PAGE 3
System Pump Operation The system pump contact operates based on the settings of the tN4 thermostats connected to the same tN4 bus as the 444. The system pump turns on after a 3 minute delay from the thermostat call for heat when “Heat 1 Pump” is set to On and “Heat 1 Delay” is set to On.
PAGE 4
Cleaning the Module The module’s exterior can be cleaned using a damp cloth. Moisten the cloth with water and wring out prior to wiping the module. Do not use solvents or cleaning solutions. Error Messages Power LED ON ON tN4 LED Error Condition tN4 Bus open or short circuit. • Check wiring for loose or broken wires. OFF • Check for a short circuit between tN4 and C. • Check polarity on the R and C wires. Flashing tN4 LED is normal on power up.