Victory Reach-In Servisní příručka stáhnout pdf (Strana 29)

Section 5 Electrical System

5-3

Freezers - Self-Contained - FS1, FS2, FS3

For wiring diagram, see pages 5-12 and 5-13

Important

The FS3 freezer is a dual voltage reach-in.

The electrical controls are identical to the

FS1 and FS2 freezers.

COOLING CYCLE

With the main ON/OFF switch in the ON

position, the current flows, energizing the

automatic defrost time clock. Current also

flows through the high pressure cut-out

switch, energizing the relay.

With contact #4 closed, current flows through

the normally open (N.O.) relay contacts, and

with the temperature control closed, the

refrigeration system starts. With contact N

closed on the automatic defrost time clock,

current flows through the normally open

(N.O.) light/fan switch contacts (with the door

closed).

When the evaporator coil temperature reaches

30 to 35°F (-1.1 to 1.7°C), the defrost end and

fan delay thermostat closes, energizing the

evaporator fans.

DEFROST CYCLE

At preset times on the automatic defrost time

clock, the contacts switch to defrost the

evaporator. Contact N opens, de-energizing

the evaporator fan motor(s). Contact #4

opens, de-energizing the refrigeration system.

Contact #1 closes, energizing the evaporator

defrost heater.

As the evaporator temperature rises, the

defrost end and fan delay thermostat opens to

terminate the defrost cycle. Contact #1 opens,

de-energizing the defrost heater. Contacts N

and #4 close, energizing the refrigeration

system.

OFF CYCLE

When the temperature control senses the

proper temperature, it opens, shutting off the

refrigeration system.

Freezers - Remote - FR1, FR2, FR3

For wiring diagram, see pages 5-14 and 5-15

COOLING CYCLE

With the main ON/OFF switch in the ON

position, the current flows, energizing the

automatic defrost time clock.

Current also flows through the closed contacts

of the temperature control, energizing the

liquid line solenoid valve. The increase in

suction pressure closes the contacts on the

low pressure switch, energizing the

refrigeration system.

With contact N closed on the automatic

defrost time clock, current flows through the

normally open (N.O.) light/fan switch

contacts (with the door closed).

When the evaporator coil temperature reaches

30 to 35°F (-1.1 to 1.7°C), the defrost end and

fan delay thermostat closes, energizing the

evaporator fans.

DEFROST CYCLE

At preset times on the automatic defrost time

clock, the contacts switch to defrost the

evaporator. Contact N opens, de-energizing

the evaporator fan motor(s). Contact #4

opens, de-energizing the refrigeration system.

Contact #1 closes, energizing the evaporator

defrost heater.

As the evaporator temperature rises, the

defrost end and fan delay thermostat opens to

terminate the defrost cycle. Contact #1 opens,

de-energizing the defrost heater. Contacts N

and #4 close, energizing the refrigeration

system.

OFF CYCLE

When the temperature control senses the

proper temperature, it opens, shutting off the

liquid line solenoid valve. The drop in suction

pressure causes the low pressure switch to

open, de-energizing the refrigeration system.

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