Dunkirk EW Empire II Series II User Manual
Page 2
8.
Install control well in 3/4” tapping in coil face plate.
Reinstall the jacket cover panel (if provided) removing
the knockouts for tankless coil connections.
9.
Mount low limit control on control well. Install wiring
harness per appropriate wiring diagram.
10.
Program the Control as follows:
A. Program the Honeywell L7248L Control to
recognize the L4006 Low Limit Control:
a. Press UP, DOWN and I buttons simultaneously
for three (3) seconds to enter programming
mode.
b. Press I button until "ELL" is displayed.
c. Press DOWN button until "ON" is displayed.
d. Wait 60 seconds for display to return to "BT".
B. Hydrolevel 3250 Control
a. Set the Z-I switch in the 3250 control to the I
position.
TANKLESS HEATER COIL INSTALLATION INSTRUCTIONS
Adjust Low Limit Control
1.
Typical set point is 140°F.
2.
Increase if hotter domestic water is desired.
3.
Low limit set point must be at least 20°F lower than
high limit set point.
Figure 3 - Low Limit Wiring to L7248L Control
L7248L
L4006 LOW LIMIT
11.
Manufacturer recommended piping shown in Figure 2.
12.
Manufacturer recommends use of a tempering valve
(mixing valve).
13.
General Finish Instructions
• Resume operation using OPERATING INSTRUCTIONS
found in Installation, Operation & Maintenance Manual.
• Verify proper operation by following START UP
PROCEDURE in Installation, Operation & Maintenance
Manual.
Figure 4 - Low Limit Wiring to 3250 Control
L4006 LOW LIMIT
HYDROLEVEL 3250