Bluezone® Model 300 Installation, Operation, and Service ...

[Pages:13]Bluezone? Model 300 Installation,

Operation, and Service Manual

Manual Created By:

Bluezone Products Inc. 225 Wildwood Ave Woburn, MA 01801 tel 781-937-0202 fax 781-937-0229



Document #: BZ300 January 2018

1. Description

The Bluezone? Model 300 is a device that extends the shelf life, reduces flavor transfer and cross contamination of fresh fruits and vegetables by removing ethylene and microbial load from the atmosphere of refrigerated spaces. The Bluezone can be placed on a shelf, cart or mounted to the ceiling of a walk-in cooler. The Bluezone draws in air containing impurities that can lead to rot or decay, and discharges air with a reduced concentration of these impurities.

The device is completely self-contained and is capable of maintaining ethylene concentrations within refrigerated Fresh Fruits and Vegetable (FF&V) storage spaces below 0.5 ppm, thus extending the shelf life of the FF&V. The Bluezone's operation is controlled by a microprocessor-based controller that ensures safe operation at all times and alerts the user to any system faults. The Bluezone Model 300 operates at refrigeration temperatures.

Unit should not be operated at freezer temperatures (i.e. at cooler temperatures well below 30F).

2. Specifications The specifications of the Bluezone Model 300 are shown in Table 1.

Table 1: Bluezone Model 300 Specifications

Specification Category

Application Size Weight Input Voltage Current

Power Electrical Connection

Mounting Options:

Model 300

Walk-in Coolers 11" X 15" X 22.75"

14 lbs. 120 or 240 VAC 1 Phase

1.5 amps (at 120VAC) .75 amps (at 240VAC)

170 watts Standard 120/240 VAC cord with pig tail for direct

wiring or plug on request Placed on rack or shelf, mounted to ceiling or wall. See

Mounting Figure

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Document #: BZ300 January 2018

3. Installation The Bluezone Model 300 can be mounted to the ceiling or placed inside a refrigerated storage space. Mounting is secured with four, 3/8" bolts. The unit must be mounted to structural members in the refrigerated-container ceiling or wall. Mounting straps or brackets may be used to allow the load to be distributed. The unit is then wired into a 120 or 240 VAC junction box. A drawing of the mounting locations on the Model 300 is provided in Figure 1. The mounting hardware includes vibration isolators. The Bluezone needs to be installed within 6' of a power source unless a custom power cord was ordered. The unit may be hardwired into an AC junction box or plugged into an appropriate AC receptacle.

Figure 1: Bluezone Model 300 Mounting Dimensions (units in inches)

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A diagram illustrating two installation options is provided in Figure 2.

Document #: BZ300 January 2018

Figure 2: Illustration of two Model 300 Installation Options

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Document #: BZ300 January 2018

3.1 Installation Guidelines:

If more than one Bluezone Model 300 unit is being installed in the refrigerated space, the following are recommended guidelines for the placement of the Bluezone units:

1. Distribute the units relatively evenly throughout the space. Generally, spreading the locations across the available space is good practice.

2. Locate the units near the outlets of the evaporators, so that the unit inlet and outlet flow is from/to air that will be well distributed throughout the cooler.

3. Orient the units so that the inlet/outlet is 90o from the outlet of the evaporator, if possible. 4. If the unit is aligned in the same direction as the air flow out of the evaporator, locate the

unit approximately 1 foot from the evaporator outlet to avoid excessive flow through the Bluezone unit. 5. Install the units above head level, if possible. If there is risk of bumping the unit, it should be labeled with colored tape to reduce the risk of collision. 6. Locate the junction boxes for the units as close as possible to the units to avoid the risk of hooking the cord and pulling it out. If the cord is over 2' long it should be tied to the wall or ceiling to keep it protected. 7. Ceiling Mount: Locate structural members in the ceiling. Position and secure mounting straps (as required) in the correct location using 3/8" diameter bolts.

An Installation Check List is shown below: Table 2: Installation Check List

Bluezone's are generally distributed throughout the refrigerated space.

Bluezone's are located to avoid collision with forklifts or operators.

Bluezone's are at least 1 foot from refrigerated air flow outlets. Cords connecting Bluezone's to junction boxes are tied tightly to ceiling or wall and do not hang loosely below the Bluezone's. Bluezone's are positioned above head height.

If Bluezone's are installed at or below head height; yellow attention tape is affixed to the edges of the unit.

Yes/No Yes/No Yes/No Yes/No Yes/No

Yes/No

Once the Model 300 is mounted and wired, the switch in the control panel is toggled to "on" to energize the unit. The unit should be turned on in coolers operating at refrigeration temperatures. The unit will automatically turn off when the cooler is in freezer mode, below -10 C.

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Document #: BZ300 January 2018

4. Operation Once the Model 300 is mounted and wired, it can be turned `On' using the power switch on the control panel. In the view shown in Figure 3 below, pressing the switch up is "On". Pressing the switch down is "Off".

Display Power Switch Circuit Breaker Power cord

Figure 3: Control Panel on Bluezone Unit

Toggle the power switch to the "On" position to energize the unit. Once the Bluezone is switched "On", the Display Screen will indicate "Bluezone M300" on a green background. Wait ten seconds to ensure the Display Screen remains green. Display Screen codes are shown in Table 2. Do not spray water or other cleaning solution directly on Bluezone Model 300. If necessary, wipe with dry cloth.

Figure 4: Do Not Spray Model 300

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Document #: BZ300 January 2018

Table 2: Display Screen Status Indicator Fault Codes

Display

Green Background

Description

System operating properly

Fault OK

Operation Operates

Action to Take None

Flashing Green Background

System operating properly. Outdoor

environment is below 0 C.

Freezing Temperatures

Unit automatically powered down until

temperature is above 0 C.

None

Yellow Background

Fault Mode 1

Fan Trip

Fan not running

None

Red Background Fault Mode 2

Sensor Trip

Bulbs is off until sensor resets

None

No Text No Background

Color

Fault Mode 3

Control Board Error

Unit doesn't turn on, fan may run

Restart unit by toggling power switch

"off" and then "on"

5. Diagnostics

After one minute, if the Display Screen has no light or text then the Model 300 is not being powered. Check the following list for possible causes and solutions:

1. Ensure that Cover Switch is Activated. See Figure 5 for proper installation of the cover switch. Controls will not energize if cover is off or if the cover switch is not engaged.

2. Check that unit is powered a. Power "Off" unit using the power switch located on the control panel. b. Plug unit in. c. Turn unit "On" using the power switch located on the control panel.

3. Restart the unit. a. Turn switch "Off" using the power switch located on the control panel. b. Wait 5 seconds. c. Turn switch "On" using the power switch located on the control panel. d. Repeat 3 times

4. Check whether Unit's circuit breaker has tripped. a. Visually check the circuit breaker located on the control panel. If a white strip is visible, then the breaker needs to be reset. b. Power "Off" unit using the power switch located on the control panel. c. Reset circuit breaker located on the control panel by pushing the visible indicator back into the circuit breaker. d. Turn unit "On" using the power switch located on the control panel.

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Document #: BZ300 January 2018

The Bluezone will not turn on if the cover switch is not engaged. Make sure the cover switch is inside the cover switch opening. DO NOT activate cover switch without cover on. UV light will be emitted.

Cover switch Cover switch opening

Figure 5: Bluezone Cover Switch and Cover Switch Opening

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