Surna 120-3 Operating & Maintenance Manual Download Page 8 | Manualshive

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Below is a list of all parts provided with each

Surna Chiller system.

Surna Chiller Parts List

1. Surna Chiller Product Manual

2. Chiller Unit

3. Strainer

4. Flow Meter

3. Brass Strainer

4. Flow Meter

(front and side view)

2. Chiller Unit

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Summary of Contents for 120-3

Page 1: ...Surna Commercial Chiller Operating Maintenance Manual www surna com 303 993 5271 Models 24 1 42 1 60 1 90 3 120 3 Revised February 2015 ...

Page 2: ......

Page 3: ...iller Safety Guide 6 Parts List 8 Installation Instructions 9 Location 9 Electrical 9 Plumbing 9 Plumbing Tips 10 Operations Instructions 12 Temperature Settings 12 System Maintenance Instructions 12 and Recommendations System Specifications 14 Troubleshooting 18 Temperature Controller has no 18 Power Temperature controller is on but 18 the Chiller Won t Start Fan Turns on and off Even Though 19 t...

Page 4: ...abor Choice of repair facility and technician is at the discretion of the chiller s owner although Surna is happy to assist with locating a technician Note Extended warranty for parts labor and shipping are available for purchase for a nominal fee Contact Surna within 15 days of your chiller s arrival if you would like to purchase an extended warranty Limitation of Liability To the extent allowabl...

Page 5: ... such guarantee Service under warranty is provided only upon presentation of reasonable evidence purchase receipt that the date of claim is within the warranty period Service NOT Under Warranty The warranty is not valid if the defect is due to accidental damage misuse shipping damage neglect or in the case of alterations or repair carried out by unauthorized persons Surna can at its discretion ass...

Page 6: ...ent be sure to inspect the area for water spills which may present a shock hazard to the user Take extra care to mount accessory electrical equipment away from areas regularly exposed to water and be sure to provide secure wire and cable routing to protect personnel from shock hazards Only operate the equipment with an appropriately sized breaker in place and wire sizes with adequate current carry...

Page 7: ...the indoor temperatures are greater than 100 F 38 C the room does not have adequate ventilation DO NOT operate the Surna Chiller without adequate water flow These chiller systems require 2 5 GPM Gallons per Minute per ton of cooling to prevent freezing of the evaporator DO NOT remove the grounded connection while power is being supplied to the Surna Chiller equipment Doing so presents an electric ...

Page 8: ...ist of all parts provided with each Surna Chiller system Surna Chiller Parts List 1 Surna Chiller Product Manual 2 Chiller Unit 3 Strainer 4 Flow Meter 3 Brass Strainer 4 Flow Meter front and side view 2 Chiller Unit ...

Page 9: ... power connections is a product of the chiller unit s ampacity and the length of wire needed Consult an electrician for more information on power wire sizing and connection Installation Instructions Location Electrical IMPORTANT You must use a mixture of Propylene Glycol and water in your reservoir Your reservoir should contain 30 Propylene Glycol to 70 water minimum and contain up to 50 Propylene...

Page 10: ...h PVC glue or PVC fitting In either case we recommend using piping tubing that is sized 1 size larger that the chiller water connections provided Important Plumbing Tips Your chiller requires a flow rate of 2 5 GPM ton i e 5 GPM for a 2 ton chiller 25 GPM for a 10 ton chiller etc Failure to ensure adequate water flow through the chiller may result in system degradation damage to the evaporator and...

Page 11: ...D E F Installation Connections NOTE If the compressor makes an unusual noise after applying 3 Phase power 7 5 and 10 ton units you have installed the power wiring backwards Shut the unit off immediately shut the electric supply off at the breaker and reverse any 2 of the 3 line conductor wires Power Connectors Grounding 2 3 5 5 Ton Power 7 5 10 Ton Power ...

Page 12: ...ure at 65 F 18 C and adjust up or down based on cooling needs NEVER set this temperature below 45 F 7 C ALWAYS maintain a clean condensing coil for maximum efficiency Chiller units located indoors will need to be cleaned often due to dust build up Units located outdoors are often washed by rainfall ALWAYS maintain 24 of clearance on all sides of the unit and an unobstructed clearance on the top of...

Page 13: ...be to carry sufficient amperage when the compressor starts Damage caused by improper wiring is not covered under warranty Please consult with a qualified electrician for more information on proper breaker and wire sizing if you are not sure Chillers must be installed on concrete or an A C condenser pad Failure to do so can cause the condenser to become dirty sooner from splashing dirt and debris w...

Page 14: ...14 System Specifications ...

Page 15: ...ure Controller D Thermal Expansion Valve E Flow Switch F Low Pressure Switch G Fan Cycle Switch High Pressure Switch located inside unit A C D G E F B Control Panel Components A Control Panel Exterior B Heat Exchanger C Temperature Controller D Thermal Expansion Valve E High Pressure Switch F Low Pressure Switch G Fan Cycle Switch H Flow Switch behind E A C D G E F B H ...

Page 16: ...16 10 ton Chiller Wiring Diagram ...

Page 17: ...2 7 5 ton Chiller Wiring Diagram ...

Page 18: ...re or other loss of flow If any of these sensors are not satisfied they will not allow the chiller to function Some of the troubleshooting steps listed below can be performed by the end user and some of these steps must be performed by a licensed HVAC technician Retain this guide should your chiller ever require servicing in the future Temperature controller has no power 1 Check and make sure swit...

Page 19: ...ese troubleshooting steps have been attempted there could be a problem with one of those components and they may need to be replaced The fan motor is simple to replace and can be done by the end user after all power has been disconnected from the unit If compressor replacement is required a licensed refrigeration technician must complete the associated repairs 9 QUALIFIED SERVICE PERSONNEL ONLY If...

Page 20: ...303 993 5271 info surna com surna com 1780 55th Street Suite A Boulder CO 80301 ...

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