Utica Boilers CuB Series Operation and Installation Manual
DOMESTIC HOT WATER SENSOR KIT
INSTRUCTIONS FOR CHB-100, CHB-130
Kit #550002958
Kit installation shall be completed by qualied agency.
WARNING
!
Fire, explosion, asphyxiation and electrical shock
hazard. Improper installation could result in death or
serious injury. Read this instruction and understand
all requirements, including requirements of authority
having jurisdiction, before beginning installation.
Installation not complete until appliance operation
veried per Installation, Operation & Maintenance
Manual provided with boiler.
Sensor can be used on a standard Indirect Hot Water
tank. When it is connected to the boiler, sensor will control
Indirect Tank temperature.
Figure 1 - Slide Sensor Into well of Indirect Tank
1.
Follow instructions To TURN OFF GAS TO APPLIANCE
found on Operating Instructions label on boiler or in
Installation, Operation & Maintenance Manual. Verify all
electrical power to boiler is turned off.
WARNING
!
Electrical shock hazard. Turn OFF electrical power
supply at service panel.
2.
Remove front jacket.
WARNING
!
Burn hazard. Verify heat exchanger has cooled or use
appropriate personal protection equipment.
3.
Before inserting sensor into Indirect tank well,
thoroughly coat sensor with Thermopaste supplied with
sensor kit.
4.
Slide sensor into well until it bottoms out. See gure 1.
5.
Secure sensor wire to well with included clip. See
gures 1 and 2.
Figure 2 - Secure Sensor Wire to Well With Clip
Figure 3 - Sensor Wire Secured to Well With Clip
6.
Route sensor wire to boiler low voltage terminal
block. Remove the two resistors on terminals 7 & 8 of
8-pin terminal strip, item #155. See gure 4 - wiring
diagram.
7.
Install sensor wires onto terminals 7 & 8. See gures 5
and 6.
8.
Secure sensor wire.
9.
Restore power to boiler. Boiler will automatically
recognize the sensor.
P/N 240010745 Rev. A [07/2014]
DOMESTIC HOT WATER SENSOR KIT
10.
See Installation, Operation & Maintenance Manual for
adjusting DHW tank temperature and operation.
11.
Resume operation using Installation, Operation &
Maintenance Manual.
12.
Verify proper operation by following START UP
PROCEDURE in Installation, Operation & Maintenance
Manual.
13.
Install front cover.
DOMESTIC HOT WATER SENSOR
KIT FOR CHB-100 & CHB-130
#550002958
DESCRIPTION PART # QTY
DHW Tank Sensor - 1
Clip - 1
Thermopaste 1
Instructions
240010745 1
Figure 4 - Wiring Diagram
Remove both resistors.
Wire sensor to 7 and 8.
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