Utica Boilers UB95M-200 Installationsanweisungen

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10.1 Codes
Electrically bond boiler to ground in accordance with       
requirements of authority having jurisdiction.  In absence 
of such requirements, Refer to:
• USA - National Electrical Code, ANSI/NFPA 70.
• Canada - Canadian Electrical Code, Part I, CSA C22.1: 
Safety Standard for Electrical Installations.
10.2 Line Voltage Connections
1. 
Connect 120 VAC power wiring to line voltage terminal 
strip on boiler control panel.
2. 
Provide and install fused disconnect or service switch 
(15 amp recommended) as required by code.
3. 
Boiler circulator is shipped loose. Wire boiler circulator 
as shown in wire diagram label on boiler side panel. 
(CH L1, CH L2) CH = Central Heat
4. 
When connecting DHW circulator, connect wiring to line 
voltage terminal strip on boiler control panel. (DHW L1, 
DHW L2) DHW = Domestic Hot Water
5. 
Route all wires and conduits to openings in right jacket 
panel.
10.3 Line Voltage Monitor
• Boiler is factory equipped with line voltage monitor that 
continuously monitors incoming voltage for errors.  
• When incoming line voltage is greater than 12% or less 
than 8% of nominal voltage monitor will flash indicating 
fault.  
• 6 Seconds after line voltage is back within acceptable 
range green light will illuminate on monitor and boiler will 
restart.  Line voltage monitor is factory set at 115 VAC.  
It is important that monitor be set to voltage present at 
installation site by following these directions:
1. 
Using multimeter, locate wall outlet nearest to boiler 
and determine line voltage present on site.
2. 
Disconnect power to boiler.
3. 
Remove boiler cover.
4. 
Locate line voltage monitor mounted to display panel.
5. 
Remove line monitor protective cover.
6. 
Using small screwdriver turn left dial until arrow points 
at input voltage measured during step 1.
7. 
Set right dial at 0.1 minute, this is factory setting.
8. 
Reinstall line monitor protective cover.
9. 
Replace boiler cover and re-connect power to unit.
WARNING
Electrical shock hazard.  Turn OFF electrical power 
supply at service panel before making electrical  
connections.  Failure to do so could result in death or 
serious injury.
!
  
10 - ELECTRICAL WIRING
NOTICE
Use only N.E.C. Class 1 wiring. If replacing original 
boiler wiring, use only type 105°C wire or equivalent. 
See Piping and Wiring Appendix for wiring 
and piping diagrams.
Figure 11  - Line Voltage Monitor
10.4  Low Voltage Connections
1. 
Connect low voltage wiring to low voltage terminal strip 
as shown in boiler wiring diagram.
2. 
Route all low voltage wires through opening on right 
jacket panel. Use shielded cable.
L1 L2
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