Tekmar 423 Universal Reset Module Manual de usuario Pagina 2
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© 2007 D 423 - 08/07 2 of 36
Table of Contents
Table of Contents ...........................................................2
Display and DIP Switches ..............................................2
Dip Switch Settings ................................................2
Access Level ...........................................................3
Display and Symbols Description............................4
User Interface ........................................................5
Display Menus ................................................................6
View Menu ..............................................................6
Adjust Menu ............................................................8
Miscellaneous Menu ............................................. 15
Testing the Control ....................................................... 16
Sequence of Operation ................................................. 18
tekmarNet
®
4 Communication ............................... 18
Outdoor Reset ...................................................... 18
Boiler Temperature Control ..................................21
tekmar Stager Operation ......................................23
Boil Enable ............................................................24
Zone Load Shedding ............................................24
Mixing Operation .................................................. 24
Domestic Hot Water Temperature Operation .......25
DHW with Low Temperature Boilers ..................... 27
Setpoint Temperature Operation ...........................28
Pump Operation ....................................................29
Pump Exercising ...................................................29
Error Messages ............................................................ 31
Warranty .......................................................................36
Set the DIP switch settings prior to making adjustments
to the control through the user interface. Setting the DIP
switches determines which menu items are displayed in
the user interface.
If you change a DIP switch setting while the control is
powered up, the LCD display returns to the View Menu.
Lock / Unlock
Use the Lock / Unlock DIP switch to lock and unlock the Access
Level of the 423 and all connected tN4 devices, including
tN4 thermostats. For details, see “Access Level”.
•
• Once locked, the access level in all devices cannot be
viewed or changed.
•
• To determine if the control is currently locked a small
segment representing a padlock is viewed in the bottom
right hand corner of the display.
•
• To unlock the Access Level, set the DIP switch to
Unlock.
•
• To lock the Access Level, set the DIP switch to Lock.
Dip Switch Settings
Display and DIP Switches
50
51 52 53
Stage1/ Stage 2/
Boil Enbl Setp Enbl
75
76 77 78
Demand Demand
DHW Setpoint
54 55
DHW Primary
10 A
max
79 80 81 82
NPump N
Pump
tN4
Made in Canada
8 VA 1 VA
Boil Sens Sup / Ret
H7010A
Off / DHW Sensor
Off / tekmar Stager
Boilers On-Off / Mod
Off / Rotation
Meets Class B: Canadian
ICES & FCC Part 15
Powered
Outputs
24 V (ac)
Universal Reset Module 423
Item
Menu
tektra 1006-01
Demands: 20 - 260 V (ac)
Relay Rating: 115 V (ac) 5 A
71
72 73 74
DHW 24 V (ac)
/
57 58 59 60 6156
C
C
tN4
Mod2 (dc)Mod1 (dc)
6564
C3C1+–
C
+–
tN4
62 63
C2 tN4 tN4
66 67
DHW
Com
Boiler
68 69
Boil Com
70
Out
Do not apply power
Test
123
Vlv
R
Boil Sens Sup / Ret
A
Off / DHW Sensor
Off / tekmar Stager
Boilers On-Off / Mod
Off / Rotation
/
- - Data Brochure 1
- Display and DIP Switches 2
- Access Level 3
- © 2007 D 423 - 08/07 4 of 36 4
- User Interface 5
- VIEW MENU 6
- Display Menus 6
- ADJUST MENU 10
- MISC MENU 15
- Testing the Control 16
- Max Heat 17
- Zone Test 17
- Sequence of Operation 18
- Warm Weather Shut Down (WWSD) 19
- Terminal Unit 19
- Outdoor Design Temperature 19
- Boiler Outdoor Reset 20
- Boiler Target Temperature 21
- Operation of the tN4 Buses 21
- Boiler Minimum 21
- Boiler Maximum 21
- Boiler Fire Delay 22
- On-Off Boiler(s) Operation 22
- Stage Delay 22
- Modulating Boiler Operation 22
- Voltage (dc) 23
- 012345678910 23
- Boiler Target 23
- Zone Load Shedding Section F 24
- Mixing Operation Section G 24
- 25 of 36 © 2007 D 423 - 08/07 25
- DHW During UnOccupied 26
- DHW Priority Override 27
- Conditional DHW Priority 27
- DHW Post Purge 27
- DHW Mixing Purge 27
- Setpoint 28
- Setpoint Demand 28
- Boiler Target During Setpoint 28
- Setpoint During UnOccupied 28
- Setpoint Modes 28
- Pump Operation Section K 29
- Pump Exercising Section L 29
- Error Messages 30
- Error Messages (1 of 5) 31
- Error Messages (2 of 5) 32
- Error Messages (3 of 5) 33
- Error Messages (4 of 5) 34
- Error Messages (5 of 5) 35
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