Maxitrol Selectra Manuel utilisateur

Page 1 System Components

Page 2 & 3 Introduction and Dimensions

Page 4 Specications

Installation of Components

Typical Gas Trains

Page 5 Field Service Checklist

Page 6 Preliminary Circuit Analysis

Page 7 Wiring Diagrams

Sensitivity Adjustment

Low Fire Start Time Adjustment

Page 8 Temperature Calibration

Valve Adjustments

Table of ConTenTs

Series 44 Installation Instructions



SYSTEM COMPONENTS



A1044U



A1044U (replaces all A1044L1, suitable re-

placement forA1044 [C,D,E,H]) (includes 0,



A1044UF (replacement for A1044FL1)

A1044UG (replacement for A1044G[L1])













NOTE:-

ture Sensor must have same temperature





Sensors compatible with A1044U:











Sensors compatible with A1044UF:



Sensors compatible with A1044UG:



































speed blower or dual fuel operation)

NOTE: M (Modulator) valve requires an



-

tor) valve requires no upstream pressure



Selectrastat (Senses and Selects)





or optional pair to replace

Selectrastat

Space Temperature Selector









Space Temperature Sensor





NOTE: 

-

perature Sensor must have

same temperature range to be



INTRODUCTION AND DIMENSIONS





-



       





A discharge air temperature sensor (and mixing tube) is a means





wall mounted Selectrastat senses space temperature and has an





































Selectrastat, Temperature Selector, Space Temperature Sensor



 

without front dial)

SPECIFICATIONS

 (Maximum Fire)

 

 

   

Vent:



MR212-two vents located in upper housing, both equipped with





 

 



Optional:

Remote Temperature Selector:   

        

   Note:     



Remote Temperature Sensor:   

Remove cover to mount in area where representative space





   Control wires connected to the Selec-

     





so may cause the unit to function erratically or may destroy the





 Install in any convenient location that is protected from



Selectrastat: -











MR Valve: Modulator-

regulator valve

M Valve: Regulator upstream of

modulator valve



-







 Suitable for application in natural, manufactured, mixed

        











 

















SYMPTOM   REMEDY

     

 Continuous



 

 



 

           



             



 

 



 

 

 











 

 

            





       



 

 



 

 -





  





         









 Continuous Minimum









     











      











 













      



 

  

 

 Continuous









     



 

 

 Continuous





  

  



  -



pressure setting and pressure drop of the valve (See Maxitrol Capacity



-

tion of equipment manufacture



about possibility of using special spring to reduce pressure drop on selected





 









     





      







 



 



  



 Incorrect Space

Temperature





  







            











         















.



      

faulty components, improper wiring or calibration, and other





Note:      

Section I





     



    

  











Section II

         















If proper voltages are not observed, continue testing to identify







Section III

-

Note















Section IV

 -

sponding correctly, wire the system (see Figure 1 below),











       

  



If proper delivered air temperatures are observed, the prob-



      







Section V

-



Model A1044U

Model A1044

















 

and separate temperature selector

SENSITIVITY ADJUSTMENT



       





If hunting is encountered (rapid oscillation), rotating the sensitivity





-





-

able between 0, 10, or 20 seconds, and begins timing after the















Sensitivity







VALVE: Green









20 Second

10 Second

0 Second





Maxitrol Company











Note:

       







 

minimum temperature setting is at least ten degrees higher than









 

















       









Space Temperature





        

Because of the large space being heated, wait at least one half







        



































     

   







    









 



-







NOTE:





    

 







-









1 2



A B



(See bulletin M/MR_MT_EN for additional M/MR valve information)

NOTE:





A1044

VALVE: Green





Ce manuel convient aux modèles suivants

Table des matières

Autres manuels Maxitrol Thermostat

Maxitrol

Maxitrol TDFM44 Manuel utilisateur

Manuels Thermostat populaires d'autres marques

EWELLY

EWELLY EW-181 Manuel utilisateur

Prolon

Prolon T1100 Instructions d'installation

Computherm

Computherm Q20 Manuel utilisateur

Heatmiser

Heatmiser neoStat Manuel utilisateur

Aube Technologies

Aube Technologies TH111GFCI-NP 240 VCA Manuel utilisateur

Mars

Mars HEAT CONTROLLER IR Wireless Thermostat Manuel utilisateur

Saswell

Saswell SAS920XWHB-7-S-RF Mode d’emploi

Aircalo

Aircalo TFP1-ET85P2 Manuel utilisateur

Honeywell

Honeywell CM721 Manuel utilisateur

Carrier

Carrier DEBONAIR 33CS Manuel utilisateur

Lennox

Lennox iHarmony Zone Thermostat Instructions de montage

Gemtech

Gemtech GT7000 Mode d’emploi

Rollei

Rollei Smartes 45000 Manuel utilisateur

Sinope

Sinope TH1300RF Manuel utilisateur

Honeywell

Honeywell RLV4305 Manuel utilisateur

Honeywell

Honeywell Prestige 2.0 THX9421 Manuel utilisateur

NuTone

NuTone NTBZ48 Instructions d'utilisation d'origine

Stelpro

Stelpro MAESTRO ASMT402AD Manuel utilisateur