Structural Concepts RG3Z5294 Installation Manual

READ AND SAVE THESE INSTRUCTIONS

OPERATING

SELF-SERVICE MULTI-ZONE REFRIGERATED MERCHANDISER

MANUAL

PN 99540

MODEL: RG3Z5294 52”L* x 43 5/8”D x 94 3/8”H

*Includes end panels.

I:\Oper Manuals\Oasis\RG3Z5294 Oper Manual 99540.pub

888 E. Porter Road · Muskegon, MI 49441 Phone: [phone] Fax: [phone] www.structuralconcepts.com

Rev E Date: 8.27.2007

TABLE OF CONTENTS

OVERVIEW AND WARNINGS …………………..…………………..…….………….....…..….....

START-UP AND OPERATION …….. …..….…………………...………...…..…………………..

SERIAL LABEL LOCATION & INFORMATION LISTED / TECH INFO & SERVICE …………….

TROUBLESHOOTING …………….……………………………………………….………….….....

PARTS BREAKDOWN…………….………………………………………..………………………...

PARTS LIST …………..………………………………………………………………………….…..

CLEANING SCHEDULE..…………………………………………………...………………….…........

JOHNSON CONTROL - MR3CCUHV A

JOHNSON CONTROL - MR3CCUHV Programming Control Module ……..……………………..

WARRANTY ………...……………………………………………………..……………………..…..

TECHNICAL SERVICE …..……………………………………………………………….….....…..

larm and Fault Codes ………………………………...

3

4

7

8

9

10

11

12

13

14

15

2

OVERVIEW AND WARNINGS

OVERVIEW

• INTENDED USE OF DISPLAY AREA:

Zone 1: Upper Left Side – Two adjustable temperature settings: Meat & dairy/deli (refer to chart for temperatures)
Zone 2: Upper Right Side – Two adjustable temperature settings: Produce & dairy/deli (refer to chart for temperatures
Optional Zone 2: Upper Right Side – Non-refrigerated. Ambient temperature
Zone 3: Lower Section – Two adjustable temperature settings: Meat & Frozen

• INTEGRATED PRODUCT TEMPERATURE (IPT):

Meat 34°F Produce 41°F
Dairy/Deli 38°F Frozen 0°F

(refer to chart for temperatures)

WARNING

ELECTRICAL
HAZARD

WARNING

KEEP HANDS

CLEAR

WARNING

HOT
SURFACE

CAUTION

WARNING

Risk of Electric Shock.

Disconnect Power Before Servicing Unit

WARNING

Hazardous Moving Parts.

Do Not Operate unit with covers removed.

Fan blades may be exposed when deck panel is removed. Disconnect

power before removing deck panel.

WARNING

Evaporator Tray is Hot

CAUTION

Lamps have been treated to resist breakage and must be replaced with a

similarly treated lamp.

3

START-UP AND OPERATION

Electrical and Control Access

The main power switch and 4X4 box (provided for field hook up) are accessible from back side of
header assembly. Interior lights switch is located inside upper display area, behind the header (right
lower side). Defrost control settings and refrigeration service ports are accessible by removing the
top header cover. Remove screws from the top leading edge of header cover.

Header & Sign Assembly

Ballast

Defrost Thermostats

Main power switch

Refrigeration service ports. Top fitting is high pressure.

Temperature Settings

Process to change temperatures with in a product zone.

1. To change Temperature (set point) Setting, Press the Set Key
(Note: Pressing the set key once will access the Fahrenheit/Celsius Mode.)

2. The LCD will display the current Temperature (set point) Setting.
(Note: The S1 annunciator will be blinking to indicate the control is in the
change mode)

Press the up arrow key
Press the down arrow key to decrease the Temperature Setting.

(Note: See chart below on Temperature Requirements for specific products.)

3. Press the Set Key

to increase the Temperature Setting

Twice to complete the Temperature Change.

Temperature Requirement Chart

Product

Temperature

Meat 20°
Dairy 30°
Produce 35°
Frozen -20°

twice.

Light Switch

4

START-UP AND OPERATION

Merchandiser Start-Up

• Turn on the main power. Coil fans, and the compressor motors should turn on. From the front

of the case, check to see that the coil fans are all functioning properly.

• Turn on the lights. All of the lights should come on at the same time. First time lighting may re-

quire a short warm up period for the bulbs. Slightly dim or a flickering of new bulbs is normal.

Note: remove sign channel

Upper Coil fans

prior to lifting deck for lower
coil fans access.

Deck removal for
coil fans access.

Lower Coil fans

Drain with Flushing Valve
and Evaporator pan
Access

Refrigeration drain and flush
valve, 220v electric outlet for
evaporator pan and thermo­stat are accessible through
front of unit by removing front
grill. Remove grill by lifting
up and pulling forward.

5