Bunn H5X Manual De Usuario

20

Location:

The tank heater is located in the tank lid.

Test Procedure:

1.  Disconnect the dispenser from the power source.

2.  Check the voltage across the terminals of the tank 

heater with a voltmeter. Connect the dispenser to 

the power source. The indication must be:

 

a.) 100 to 120 volts ac for 100 to 120 volt models 

or

 

b.) 200 to 240 volts ac for 200 to 240 volt models

 

or

 

c.) 230 volts ac for 230 volt models.

3.  Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #4.

If voltage is not present as described, replace the tank 

heater.

4.  Remove the tank heater from the tank lid and inspect 

it for cracks in the sheath.

If  the  sheath  shows  no  sign  of  damage,  proceed  to 

#5.

If the sheath is damaged, replace the tank heater.

5.  Check for continuity across the tank heater termi-

nals.

If continuity is present as described, reinstall the tank 

heater. The tank heater is operating properly.

If continuity is not present as described, replace the 

tank heater.

FIG. 9 TANK HEATER

FIG. 10 TANK HEATER WIRING

This 

equ

ipment 

is to be ins

talled to

comp

ly with the Basic Plumbing C

ode o

f

the Building Of

ficials

 and Code

Administ

rato

rs Internationa

l, Inc.

 (BOCA)

and

 the Food Ser

vice Sanitation Ma

nual

of the Food and Drug 

Administ

ratio

n (FDA

).

BLK to Limit 

Thermostat

BLU to Control 

Board Relay

P1780

P4093

Removal and Replacement:

1.  Remove the wires to the tank heater.

2.  Remove  the  8-32  nuts  from  the  tank  heater 

flange.

3.  Remove the tank heater.

4.  Inspect the tank heater gasket and replace if neces-

sary.

5.  Securely install the new tank heater. Be certain of 

a watertight seal.

6.  Reconnect the wires, FIG. 10.

10420.1 040309