VYPER
™
VARIABLE SPEED DRIVE
INSTALLATION
100.200-IOM (SEP 13)
Page 34
Figure 31 - Step 3, Opening the Drain Valve
Figure 32 - Step 4, Close the Drain and Refill the Unit
Figure 33 - Step 5, Reapply power and Unplug J2
Step 5:
Reapply power to the VSD unit and locate the Logic
Board found on the inside of the right door on the cabinet.
Unplug J2, which will cause the pump to run and circulate the
coolant throughout the system. Allow the pump to run until all
trapped air is purged from the coolant system. See Figure 33.
Step 6:
Top off the cooling system until the fluid level re
-
mains constant about one inch form the top of the manifold.
See Figure 34.
Step 7:
Replace and tighten the plug on the top of the mani-
fold using an adjustable wrench. See Figure 35.
Figure 34 - Step 6, Top Off the Cooling System
Figure 35 - Step 7, Replace the Pipe Plug and Tighten
Figure 36 - Step 8, Insert Plug J2 to Stop Coolant Pump
Step 8:
Insert plug J2 into the logic board to stop the coolant
pump. See Figure 36.
NOTICE
Coolant should be replaced once per year for proper
operation. (Replacement coolant number is 013-02987-
000 for a one gallon container)
NOTICE
When adding a booster pump to supply condenser water
to the heat exchanger of the water cooled Vyper
™
,
choose a pump which will supply 10 GPM at 15 feet of
head minimum.