10
Check before Unit Start-up.
1. Check all electrical and refrigerant connections.
2. Observe all applicable building and electrical codes when wiring.
3. Make sure power supply has correct voltage and phase for unit and is fused properly.
4. If unit is connected with a power cord, use the cord with plug to connect to power supply.
If unit is not connected with a power cord, use hard wire to connect to power supply.
IMPORTANT
Do not use extension cords to connect unit to power.
Plug-in to grounded three prong outlet.
Do not remove grounding prong.
Do not use a power adapter.
5. All medium and low Temperature Models are preset to factory default settings at table 5.
Standard Maintenance Guideline.
After first year of operation and under normal usage, maintenance should cover the following
items at least once every six months.
1. Check all electrical and refrigerant connections.
2. Check all wiring and insulators.
3. Check contactors for proper operation and for state of contact points.
4. Check all fan motor. Tighten motor mount bolts, nuts and fan set screws.
5. Clean the heatexchanger (evaporator and condenser) coil surface.
6. Check the operation of the control system. Make sure all safety controls are operating
properly.
7. Check the defrost control system. Make sure all defrost controls are operating properly.
8. Check the drain pan and drain line. If necessary, clean the drain pan and drain line.
9. Check the all heaters. Make sure the crankcase and drain line heaters are operating properly.
After installation of unit, it must be checked at least once for proper defrosting. The amount and
pattern of frosting can vary considerably. It is dependent on the temperature of the room, the
type of product being stored, how often new product is brought into the room and how often
door is opened. Therefore, it may be necessary to periodically change the number of defrost
cycles or adjust the duration of defrost.
Summary of Contents for SMART 7 STI022LR404A2
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