1.4 INSTRUCTIONS FOR USE
Starting and testing
DO NOT supply power to water heater until filled with water. Open supply valve for water heater to fill with water. Open hot
water tap(s) supplied by the water heater to purge air out of the system. Once air is purged, close hot water tap. Visually check
for any leaks.Supply power to the water heater by plugging in the power cord (models NTI COMPACT 2.5, NTI COMPACT 4) or
turning on the circuit breaker (model NTI COMPACT 6). If the light does not come on, turn the control knob in a clockwise
direction. The light will come on until water temperature has reached the thermostat temperature setting. The light will come back
on any time the water temperature inside the tank drops below the thermostat
setting.
Temperature Setting
The temperature of the hot water is adjusted by rotating the knob M (fig.3/1) located on the front cover. Turn the knob clockwise to
increase temperature. Turn the knob counter-clockwise to decrease temperature.
FIG. 3/1
W
FIG. 3/2
FIG. 4
2. MAINTENANCE INSTRUCTIONS
Note: Do not attempt to repair this water heater yourself. Call a service person for assistance. Always turn off the power supply to
the heater prior to servicing or draining the heater.
G
Z
F
X
Y
T
B
C
V
H
A
M
E
5