GILES OVH-10 Installation and operating instructions

Gi es Enterprises, Inc.
An I O9001 Registered Company
2750 Gunter Park Drive West • Montgomery, AL 36109 U A
Phone: [phone] Fax: • [phone] • Internet: www.gilesent.com
Service Hot ine (To Free): 1-800-554-4537 (USA & Canada On y)
Form No. 60203 (Release date: 2/01)(Revision Date: 1/28/09)(Revision E)
PO-VH
& OVH-10
Operations & Service Manual
Models: OVH-10
Models: PO-VH
FOODSERVICE EQUIPMENT

LIMITED WARRANTY
• Subject to t e terms and conditions of t is Limited Warranty as erein stated, all Giles Enterprises,
Inc., Foodservice Equipment and parts purc ased new from an aut orized Giles Enterprises, Inc.,
representative are warranted as to defects in material or workmans ip for a period of 12 mont s
from t e date of installation, provided, owever, t at wit regard to labor costs in connection wit
t is warranty, see below. All installations must be made by a qualified installing agency in accor-
dance wit all applicable codes and/or regulations in t e jurisdiction in w ic installed. Limited war-
ranty coverage is extended to t e original owner only and is void if t e unit is resold.
• During t e Limited Warranty period, Giles Enterprises, Inc. will replace or recondition, at its factory,
any part or parts of t is unit w ic Giles Enterprises, Inc. inspectors judge defective, provided t e
unit as been subjected to normal usage, properly installed, operated and serviced. T is Limited
Warranty does not cover cosmetic damage, and damage due to acts of God, accident, misuse, alter-
ation, negligence, abuse of t e Giles Foodservice Equipment or t e use of unort odox repair met -
ods. All parts replaced under t is Limited Warranty carry only t e unexpired term of t is Limited
Warranty. Limited Warranty service may be furnis ed only by an aut orized Giles Enterprises, Inc.,
representative.
• If Limited Warranty service is requested, Giles Enterprises, Inc., will send factory-aut orized serv-
ice representatives to repair, recondition, replace or inspect units of its manufacture wit suc labor
being rendered wit out cost to owner for ninety (90) days from t e date of installation. Ot erwise,
service, including labor and transportation c arges or ot er expenses, in connection wit t e
removal or installation of any part or parts supplied under t is Limited Warranty, are specified on t e
original sales contract between t e purc aser and t e aut orized Giles Enterprises, Inc., represen-
tative.
• Giles Enterprises, Inc. reserves t e rig t to c ange or improve its equipment and parts in any way
wit out obligation to alter suc equipment or parts previously manufactured.
• Giles Enterprises, Inc. makes no furt er warranties, express or implied including implied warranties
of merc antability or fitness for a particular purpose, and as no ot er obligation or liability not
specifically stated erein.
• Repair or replacement as provided under t is limited warranty is t e exclusive remedy. Giles
Enterprises, Inc., s all not be liable for any incidental or consequential damages for breac of any
express or implied warranty on t is product, except to t e extent pro ibited by applicable law. Any
implied warranty of merc antability or fitness for a particular purpose on t is product is limited in
duration to t e duration of t is limited warranty.
• Used Giles Enterprises, Inc., Foodservice Equipment or parts or Giles Enterprises, Inc., Foodservice
Equipment or parts not purc ased from an aut orized Giles Enterprises, Inc., representative, carry
no warranties, express or implied.

iii
Model: PO-VH & OVH-10Table Of Contents
Safety ........................................................v
SafetyOverview....................................................................v
SpecificSafetyPrecautions...........................................................vi
3. Overview ...............................................17
3-01. ControlPanel ............................................................18
3-02. FilterChamberandExhaust.................................................20
3-03. Accessories(Included).....................................................22
2. Installation...............................................5
2-01. Location .................................................................5
2-02. Unpacking................................................................6
2-03. HoodElectrical equirements ................................................7
2-04. ElectricalConnections ......................................................8
2-04.1 outingPowerWires .......................................................8
2-04.2 Electrical Connections when using 208/240V Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-04.3 Electrical Connections when using 480V Appliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-05. Bumper guard Installation (PO-VH only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2-06. FireSuppressionSystem ...................................................11
2-06.1. GeneralInstallation........................................................11
2-06.2. PipingInstallation.........................................................12
2-06.3. AnsulSystemElevationDrawing.............................................12
2-06.4. AnsulSystemPlanDrawing.................................................13
2-06.5. AnsulSystemIsometricDrawing.............................................14
2-06.6. Ansul Parts List for figures 2-05.3., 2-05.4., & 2-05.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2-06.7. AnsulFusibleLinkList .....................................................16
2-06.8. AnsulWiringSchematic ....................................................16
1. Introduction..............................................1
1-1. Construction..............................................................1
1-2. StandardFeatures..........................................................1
1-3. OptionalFeatures..........................................................1
1-4. Specifications.............................................................2
1-4.1. OverallDimensionsforPO-VH(UCM)..........................................2
1-4.2. OverallDimensionsforOVH-10(UCM) .........................................3
1-4.3. egulatoryListings.........................................................4
1-4.4. HoodWeights.............................................................4
1-4.5. Specifications of appliance installed under PO-VH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-4.6. Specifications of appliance installed under OVH-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

iv
Model: PO-VH & OVH-10 Table Of Contents
4. Operation & Filter Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4-01. HoodOperation ..........................................................25
4-02. FiltersandFilterMaintenance ...............................................25
4-02.01. VentlessHoodFilterTable ..................................................25
4-02.02. FilterAccessPanel emoval.................................................26
4-02.03. FilterAccessPanelInstallation...............................................27
4-02.04. BaffleFilter emoval.......................................................28
4-02.05. BaffleFilterInstallation.....................................................28
4-02.06. BaffleFilterMissing.......................................................29
4-02.07. BaffleFilterCleaning.......................................................29
4-02.08. EACFilter emoval........................................................29
4-02.09. EACFilterInstallation......................................................30
4-02.10. EACFilterStatus..........................................................30
4-02.11. EACFilterCleaning........................................................31
4-02.12. CharcoalFilter emoval ....................................................31
4-02.13. CharcoalFilterInstallation ..................................................32
4-02.14. CharcoalFilterMissing.....................................................32
4-02.15. CharcoalFilter eplacement.................................................32
4-02.16 UltraVioletLamp emoval..................................................33
4-02.17 UltraVioletLampInstallation ................................................33
4-02.18 UltraVioletLampCleaning..................................................34
4-03. FilterAlarmChart.........................................................35
6. Troubleshootin .........................................39
6-1. TroubleshootingProcedures.................................................39
7. PartsList ...............................................41
7–1. Parts Ordering and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7-2. FanCompartment-PO-VH..................................................42
7-3. FilterCompartment-PO-VH.................................................44
7-4. FanCompartment-OVH-10 .................................................46
7-5. FilterCompartment-OVH-10 ................................................48
8. Wirin Dia ram..........................................51
8-01. WiringDiagramOVH-10208-240/60/1.........................................52
8-02. Wiring Diagram OVH-10 208-240/60/1 (ILS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8-03. Wiring Diagram OVH-10 208-240/60/1 (UV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8-04. Wiring Diagram OVH-10 208-240/60/1 (ILS & UV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
8-05. WiringDiagramPO-VH208-240/60/1..........................................60
8-06. Wiring Diagram PO-VH 208-240/60/1 (ILS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
8-07. Wiring Diagram PO-VH 208-240/60/1 (UV). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8-08. Wiring Diagram PO-VH 208-240/60/1 (UV & ILS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
5. Hood Cleanin and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5-01. HoodCleaning ...........................................................37
5-02. FanLubrication(OVH-10Only)...............................................38

v
Model: PO-VH & OVH-10Safety
Safety Overview
Safety
The instructions contained in this manual have been prepared to aid you in learning the proper procedures
for installing and servicing your unit.
Throughout this manual, safety precautions are identified through the use of the safety alert symbol and
three signal words: DANGER, WARNING, and CAUTION. All safety alert information precedes the
step(s) to which they apply. Suggested, recommended, or other noteworthy information is identified
through the use of NOTES. Additionally, certain words are used to indicate a specific meaning or to add
emphasis.
The following words are used as indicated throughout the manual:
Shall: understood to be mandatory.
Should: understood to be advisory.
May: understood to be permissive.
Will: indicates a future event/condition to occur.
or
(Safety Alert Symbol)
Used in conjunction with signal words (DANGER, WARNING, or CAUTION) to alert you of potential per-
sonal injury hazards, immediately preceding precautionary measures that pertain to subsequent step(s).
Obey all safety messages that follow this symbol to avoid possible injury or death. Failure to adhere to
safety precautions identified by the safety alert symbol may also void the warranty.
!!
•Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Use of this is limited to the most extreme situations.
!DANGER
•Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
!WARNING
•Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Also used to alert against unsafe practices.
!CAUTION
•When used without the safety alert symbol, CAUTION indicates a potentially hazardous situation
which, if not avoided, may result in equipment/property damage, and void the warranty.
CAUTION
NOTE:
•Identifies suggested, recommended, or other noteworthy information.

vi
Model: PO-VH & OVH-10 Safety
Specific Safety Precautions
For your safety, please observe the following precautions when operating or servicing your Ventless Hood,
odel (PO-VH & OVH-10). Read the following important safety information to avoid personal injury and/or
damage to the equipment.
•Always disconnect the source of the main power before removing the service entrance box cover.
•Failure to ensure the Power switch is in the “OFF” position during servicing and when replacing filters,
could result in equipment damage, electrical shock and/or personal injury.
•Failure to comply with these DANGER notices will result in death or serious injury, equipment/property
damage, and void the warranty.
!DANGER
•DO NOT use or store gasoline or other flammable liquids or vapors in the vicinity of this or any other
appliance!
•Consult a qualified electrician to ensure all electrical specifications have been met and the unit is prop-
erly grounded.
•Before installing or servicing this equipment, read the contents of this manual thoroughly.
•Improper installation, adjustment, alteration, service or maintenance could result in death or serious
injury, equipment/property damage, and void the warranty.
•Failure to comply with these WARNING notices could result in death or serious injury and
equipment/property damage.
!WARNING
•Internal ultraviolet radiation source
•Keep protective barrier in place.
•Replace all removable parts after servicing.
•An interlock is provided to reduce exposer to excessive ultraviolet radiation. DO NOT defeat the purpose of the
interlock.
!WARNING

vii
Model: PO-VH & OVH-10Safety
•aintain a minimum clearance of 12” (304.8mm), 18” (457.2mm) recommended, between the hood
outlet and the ceiling or any obstruction above the hood.
•Exercise care when lifting or moving the unit. See Section 1-3.5. Hood Weights
•Exercise care when removing the wooden crate from around the unit.
!CAUTION
•DO NOT operate the unit unless you fully understand the components and their intended function.
•Be careful not to bend the fins or break the ionized wires on the EAC (Electrostatic Air Cleaner) as this
will prevent the EAC from working properly and shut off the power to the appliance being used with the
hood.
• Failure to comply with these CAUTION notices may result in minor or moderate injury, equip-
ment/property damage, and void the warranty.
!CAUTION
•The electronic components of the Control Panel are impact-sensitive. Exercise care around the Control
Panel to maintain proper operation.
•Do not try to dry the EAC either by running the hood to air dry or by running the appliance below the
hood to heat dry. This could potentially damage the EAC causing improper operation and voiding the
warranty.
•During cleaning of Hood.
•• DO NOT steam clean.
•• DO NOT use products containing chlorine.
•• DO NOT use abrasive products, steel wool or scouring pads.
•Failure to comply with these CAUTION notices may result in equipment/property damage and void the
warranty.
CAUTION

viii
Model: PO-VH & OVH-10 Safety
NOTE:
•The Exhaust Fan in OVH-10 should be lubricated at least every six (6) months!
•The decibel level of the hood when operating is approximately 65 dB’s.
NOTE:
•If the crate in which the unit arrives is damaged, immediately inspect the Ventless Hood and notify the
carrier of any damage to the unit.
•To aid the electrician, an electrical wiring diagram is contained in this manual. Refer to the wiring dia-
gram during installation or servicing.
•Comply with all appropriate state and/or local heath regulations regarding the cleaning and sanitation of
equipment.
•For difficult areas with excessive particulate build up, a mild degradable nontoxic degreaser (such as
Clear agic or Simple Green) may be used.
•Always ensure the unit is electrically grounded and installed in accordance with local codes, or in the
absence of local codes, in accordance with the National Electrical Code ANSI/NFPA No. 70-1984.
NOTE:
•An HVAC specialist ay be required for installations to confir proper air
exchange and the heat load capabilities of the on site AC syste .
•Exhaust ventilation is recommended for areas in which recirculating hoods are used. We recommend
50 CF per lineal ft. of hood.
•This amount could vary based on local codes and the site specific installation requirements.

1
Model: PO-VH & OVH-10Introduction
Congratulations on the purchase of your new Giles Ventless Hood System ( O-VH or OVH-10) manufac-
tured by Giles Enterprises, Inc., Montgomery, Alabama (USA), hereafter referred to as "Giles". Two differ-
ent models, O-VH and OVH-10, are as a ceiling mounted or direct mounted. roper care and mainte-
nance of this unit will ensure years of trouble-free service.
To help protect your investment in this equipment, we recommend taking a few moments to familiarize
yourself with the installation, cleaning and maintenance procedures contained in this manual. Read these
instructions before installation and use. Adherence to these recommended procedures minimizes the
potential for costly "down-time" and equipment repairs. lease retain this manual for future reference.
Control Panel
• Control panel LED indicators for monitoring status of the EAC filter.
• Missing Filter Light indicating Charcoal and/or Baffle filter missing.
Filters
• Baffle Filter -used for grease extraction.
• Electronic Air Cleaner (EAC) -used to capture smoke & other air contaminants.
• Charcoal Filter -used to remove odor.
Skirt Configuration
• O-VH & OVH-10 are designed to allow customization of skirts to a wide variety of oven configurations.
1. Introduction
1-1. Constru tion
1-2. Standard Features
The Ventless Hood System exterior is constructed of stainless steel.
1-3. Optional Features
Ultimate Ventless:
• Ultra Violet light in conjunction with Giles patented air filtration system improves emission cleaning and
odor control as well as keeping the unit free from grease build up.
Interlo king Start System (ILS)
• Interlocking Start System (ILS) -This system will cause the Hood and the Appliance below the Hood to
shut down when the hood filters need to be clean or are not properly installed. This system is required
by some cities and/or states. lease check with your local code officials to see if this system is
required.

2
Model: PO-VH & OVH-10 Introduction
1-4. Spe ifi ations
1-4.1. Overall Dimensions for PO-VH (UCM)

3
Model: PO-VH & OVH-10Introduction
1-4.2. Overall Dimensions for OVH-10 (UCM)

4
Model: PO-VH & OVH-10 Introduction
1-4.3. Regulatory Listings
UL (US and Canada)
NSF
CE
Maximum Kilowatts of applian e installed under the hood
Unit Type Max. Total Input, kW Max Clearan e
Electric Oven (May be double stacked) 50 30” [762mm] to cooking surface
Electric Rotisserie 6 6” [153] to door top
1-4.5. Spe ifi ations of applian e installed under PO-VH
Maximum Kilowatts of applian e installed under the hood
Unit Type Max. Total Input, kW Max Clearan e
Electric Oven (May be double stacked) 11.5 30” [762mm] to cooking surface
Electric Rotisserie 6 6” [153] to door top
1-4.6. Spe ifi ations of applian e installed under OVH-10
Hood Crated Weight Un rated Weight
O-VH 337 lbs [152.8 kg] 221 lbs [100.2 kg]
OVH-10 221 lbs [100.2 kg] 130 lbs [58.9 kg]
1-4.4. Hood Weights

5
Model: PO-VH & OVH-10Installation
2. Installation
1. Do not obstruct the exhaust air outlet. aintain a minimum clearance of 12 inches (304.8mm)
between the Hood air outlet (located on top of the unit) and the ceiling or any obstruction, 18”
(457.2mm) clearance is recommended.
This section provides a summary of procedures necessary to install your new PO-VH or OVH-10. Before
installing or servicing this equipment, please read the contents of this manual thoroughly. Following these
procedures will help ensure a safe and proper installation.
2-01. Location
OTE:
•The decibel level of the hood when operating is approximately 65 dB’s.
•DO OT MODIFY, ALTER OR ADD ATTACHME TS TO THIS EQUIPME T
!CAUTION
OTE:
•An HVAC specialist may be required for installations to confirm proper air
exchange and the heat load capabilities of the on site AC system.
•Exhaust ventilation is recommended for areas in which recirculating hoods are used. We recommend
50 CF per lineal ft. of hood.
•This amount could vary based on local codes and the site specific installation requirements.

6
Model: PO-VH & OVH-10 Installation
Your Ventless Hood should arrive packaged in a wooden crate, covered with plastic shipping wrap, and
secured to a wooden platform by means of high-tensile strength strapping. Perform the following steps
to uncrate the unit:
1. Position the packaged unit in an area with sufficient room for unpacking.
2. The Hood is shipped from the factory top side down in the crate. Cut and remove the plastic shipping
wrap and any high-tensile strength straps from the exterior of the wooden crate.
3. Use a hammer and pry-bar to remove the wooden crate from around the unit.
2-02. Unpacking
OTE:
•If the crate is damaged, immediately inspect the Ventless Hood and notify the carrier of any damage to
the unit.
•Exercise care when lifting or moving the unit, please see Section 1-3.5 for hood weights.
•Exercise care when removing the wooden crate from around the unit.
•Failure to comply with these CAUTIO notices may result in minor or moderate injury,
equipment/property damage, and void the warranty.
!CAUTION
4. Carefully follow the separate ounting Instructions shipped with the hood.

7
Model: PO-VH & OVH-10Installation
2-03. Hood Electrical Requirements
Hood Electrical Requirements
Unit Voltage Hz Phase Watts Amps Breaker
OVH-10 208 60 1 433 2.1 10
OVH-10 240 60 1 433 1.8 10
PO-VH 208 60 1 920 4.4 10
PO-VH 240 60 1 920 3.8 10
PO-VH 220 50 1 920 4 10
•Consult a qualified electrician to ensure all electrical specifications have been met and that the unit is properly
grounded.
• I mproper installation, adjustment, alteration, service or maintenance could result in death or serious injury, equip-
ment/property damage, and void the warranty.
!WARNING

8
Model: PO-VH & OVH-10 Installation
2-04.1 Routing Power Wires
2-04. Electrical Connections
1. Install appropriate Circuit Breakers in ain Breaker Box. See Table 2-03.
2. Connect appropriate size Power Cable wire to the ain Breaker. Allow enough Cable so the unit
can be moved for cleaning and servicing.
3. Remove the Service Panel. See Figure 2-04.1.
4. Run the Power Cable to the unit.
5. If the Unit is to be installed above a 208/240V Appliance connect appropriate Power wires to the
Hood Contactor. See 2-04.2
If the Unit is to be installed above a 480V Appliance, remove Terminal Block Jumpers from the Hood
Terminal Block, connect appropriate 208/240 supply Power wires to the Hood Terminal Block, and
connect 480V appliance supply power to the Hood Contactor. See 2-04.3
6. Connect Appliance power from Hood Contactor to the Appliance.
7. Reinstall Service Panel.
8. Turn ain Breaker on.
9. Press the Hood Power Switch to the ON position. (If using the ILS option, with the Power Switch in
the ON position press and hold Start Button)
(2) LARGER HOLES -
INLET/OUTLET USED
FOR ROUTING INTER-
LOCK WIRES TO THE
APPLIANCE UNDER THE
HOOD. ALSO USED FOR
HOOD POWER WIRES
WHEN USING 208/240V
APPLIANCE
(1) S ALLER HOLE -
INLET USED FOR ROUT-
ING 208/240 HOOD
POWER WIRES WHEN
USING A 480V APPLI-
ANCE ONLY
SERVICE PANEL

9
Model: PO-VH & OVH-10Installation
2-04.2 Electrical Connections when using 208/240V Appliance
2-04.3 Electrical Connections when using 480V Appliance

10
Model: PO-VH & OVH-10 Installation
2-05. Bumper guard installation (PO-VH only)
1. Position bumper to match with holes.
2. Insert 8-32 x 3/4 screw through holes in the bumper.
3. Screw 8-32 nut onto screw on inside of hood skirt.
4. Tighten screw and nut.
5. Place bumper caps in hole over screw head.
Your PO-VH is shipped with (2) bumper guards to protect against potential injury to persons coming in
contact with the overhanging corners of the hood. After the Hood has been installed, attach the Bumpers
to the two exposed hood corners.
Cap
Screw
Bumper
Nut
Nut

11
Model: PO-VH & OVH-10Installation
2-06. Fire Suppression System
Some local jurisdictions require Fire Suppression Systems be installed in all hoods, regardless of their use.
If yours is such a jurisdiction, please refer to the illustration instructions covered in this section.
Service of the fire suppression system is to be conducted by qualified fire equipment personnel. The
extinguishing system should be maintained as outlined in the Standard of Wet Chemical Extinguishing
Systems, NFPA 17A.
2-06.1. General Installation
1. This installation is to be made in accordance with the R-102 installation manual and in accordance
with all state and local codes.
2. All pipe lengths to be field verified.
3. These drawings may be used to secure approval from the authority having jurisdiction.
4. It is necessary all pipe fittings and nozzles be wrench tightened and securely supported and all noz-
zles are properly aimed as indicated in the R-102 installation manual.
5. The wire rope for the detector and remote pull station is to be installed by an authorized and factory
trained distributor or service representative.
6. This installation is to be inspected, put into operation and certified by an authorized and factory
trained distributor or service representative.
7. Electrical contractors and wiring for appliance shut-off to be provided by the electrical contractor.
8. When installed as shown on the following drawings the system will comply with all relevant Ansul
installation, inspection, and maintenance manuals and shall comply with NFPA 96 when installed
and certified by authorized trained Ansul distributors in accordance with the R-102 manual.
9. All agent distribution piping and detection conduit hood penetrations must be properly sealed in
accordance with NFPA 96.