Stoelting U421/U444 - Manual (Page 15)

5
2.5 MIX PUMP
A. Mix Pump Hose Installation
Follow the steps below to install the mix pump hose.
1. Turn pump on.
2. Feed one end of mix pump hose into the entering or
pick-up hose side (left) of black cover.
3. Gently push the hose into the black cover until it
begins to feed.
4. Allow the hose to feed itself thru the pump until 6"
(15cm) remains on the entering side.
Figure 6. Mix Hose Installation
A. Refer to the nameplate at the rear of the freezer for
specific electrical requirements. Make sure the
power source in the building matches the freezer
nameplate requirements. Bring the wires into the
junction boxes through the access holes in the
bottom rear of the freezer. Figure 4.
NOTICE
Three phase freezers in areas of unbalanced
electrical loads require special attention when
connecting input electrical power. The unbal-
anced leg of power (called wild or high) must be
connected to L2 in the junction box.
NOTICE
Verify actual voltage. Machine is equipped with
a transformer to supply a control circuit. You
will need to check voltage on terminal C1 and
C2 on EACH control board. (Located behind
decorative header panel on front of machine.)
Transformers are located behind electrical panel
enclosing control boards. Access these by re-
moving top panel of machine. Actual transformer
voltage should read 20-28 V.A.C.
B. Remove the lower back panel and the two junc-
tion box covers located at the bottom of the
freezer.
C. lnstall permanent wiring according to local
code.
D. Check the auger shaft rotation by placing the
MAIN DRIVE switch in the CLEAN position.
Auger shaft rotation is clockwise as viewed through the
clear plastic front door. If the rotation is not clockwise,
turn main electrical power OFF. Then reverse L1 and L3
electrical power lines to the junction box (three phase
only). Re-check auger shaft rotation. Figure 5.
Figure 5. Auger Rotation
6" (15cm)