Taylor-Wharton 24K w/ AutoTend User Manual
Page 7
from opening when the system is in operation, the liquid nitrogen supply
system must be protected
by a pressure relief device
that will open when the
pressure at the inlet to the
refrigerator(s) is approxi-
mately 22 psig (1.5 bar/152
kPa). Never install the
supply system pressure
relief device onto a liquid
service line.
Installation
KRYOS Control Field Installation
1.
Unplug power from old unit
2.
Close liquid nitrogen supply at valve
3.
Remove 4 phillips head screws from controller face escutcheon
4.
Remove 4 phillips head screws from cabinet top and 2 from old control
5.
Withdraw old controller from cabinet top, noting how the controller body has
been resting in guide slots
6.
Unplug all jacks and wires from old controller and set aside
7.
Remove 4 phillips head screws from real electrical panel
8.
Unplug all connectors and wires and set panel aside
9.
Remove rear plumbing access panel
10. Disconnect supply hose from solenoid valve using a 7/8 inch wrench
11. Remove old solenoid
-
two ¼ inch hex head screws
-
one compression fitting using 3/8 inch wrenches
12. Lower lid and lock hinged lid to cabinet top
13. Raise hinged lid. Cabinet top should also raise out of the way
14. Remove all wire and electrical components other than sensors and thermo-
couple
15. Remove old sensor tube with sensors left in place
16. Mark old sensor locations with electrical tape
17. Measure and made note of the “Start Fill”, “Stop Fill” and temperature sensors
from the bottom of the sensor tube. You will need this information to set up the
new controller.
18. Reverse procedure to install KRYOS control.
Qty
Description
K-Series
10, 24
1
Control Panel
5140-1166
1
24VAC Wall Transformer
R08K-9C04
1
Thermocouple – Temp Sensor
R08K-9C51
1
Plumbing
R10K-8C64-R
1
Lid Switch
5160-1042
1
Sensor Assembly
• Freeze-Guard Capable
5140-1163
• Sensor-T
5140-1161
• 8 Thermistor (option)
5140-1164
• 4 Thermistor (option)
5140-1162
1
Wiring Harness w/Electric Panel
5140-1167
1
Remote Alarm Plug
R06K-8C20
1
Operating Instructions
7950-8320
1
Sensor Tube-Perf. S. Steel
R23K-9C96
1
Inlet Filter
7631-1075