Condair Nortec GS 50 Operation And Maintenance Manual Download

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Product Specifications

2583701_C_EN_1812_Nortec-GS_OM

Nortec GS

Product Specifications

10.1 Performance Data

Nortec GS

Model

Minimum Input

Maximum Input

Min./Max. Steam

Capacity

lb/h (kg/h)

Natural Gas

BTUh (kW)

Propane

BTUh (kW)

Natural Gas

BTUh (kW)

Propane

BTUh (kW)

GS 50-CS

12,400 (3.6)

13,000 (3.8)

62,000 (18.2)

10-50 (4.5-23)

GS 50-NX

13,000 (3.8)

–

65,000 (19.0)

–

10-50 (4.6-23)

GS 100-CS

24,800 (7.3)

124,000 (36.3)

20-100 (9-45)

GS 100-NX

26,000 (7.6)

–

120,000 (35.2)

–

20-100 (9-45)

GS 150-CS

37,200 (10.9)

186,000 (54.5)

30-150 (13.6-68)

GS 150-NX

39,000 (11.4)

–

187,500 (55.0)

–

30-150 (13.6-68)

GS 200-CS

24,800 (7.3)

248,000 (72.7)

20-200 (9-91)

GS 200-NX

26,000 (7.6)

–

240,000 (70.3)

–

20-200 (9-91)

GS 300-CS

37,200 (10.9)

372,000 (109.0)

30-300 (13.6-136)

GS 300-NX

39,000 (11.4)

–

375,000 (109.9)

–

30-300 (13.6-136)

GS 450-CS

37,200 (10.9)

558,000 (163.5)

30-450 (13.6-204)

GS 450-NX

39,000 (11.4)

–

562,500 (164.9)

–

30-450 (13.6-204)

GS 600-CS

37,200 (10.9)

744,000 (218.0)

30-600 (13.6-272)

GS 600-NX

39,000 (11.4)

–

750,000 (219.8)

–

30-600 (13.6-272)

10.2

Operating Data

Control Signal Input Type:

Active

0-5 VDC, 1-5 VDC, 0-10 VDC, 2-10 VDC, 0-20 VDC, 0-16 VDC, 3.2-16 VDC,

0-20 mADC, 4-20 mADC

Passive

135-10 kΩ ohmic humidity sensor

On/Off control

<2.5 VDC Off

2.5-20 VDC On

Digital inputs (via Modbus, BACnet IP/

MSTP slave)

BACnet IP, BACnet MSTP Slave, Modbus, LonWorks (Option), BACnet MSTP

BTL-Certified (Option), BACnet IP BTL-Certified (Option)

Ambient Conditions:

Ambient temperature

41-104 °F (5-40 °C)

Relative humidity

5-80% (non-condensing)

Combustion Air:

Combustion air maximum temperature

86 °F (30 °C)

Backpressure:

Maximum permissible backpressure

(duct static pressure and line backpres

sure)

6 in H2O (1.49 kPa) compact unit

10 in H2O (2.49 kPa) full-size unit

Gas Operating Pressure:

Natural gas

4.5-10.0 in H2O (1.1-2.4 kPa)

Propane

9.0-13.0 in H2O (2.2-3.2 kPa)

Summary of Contents for Nortec GS 50

Page 1: ...ENANCE MANUAL Gas fired Steam Humidifier Nortec GS Series 2583701_C_EN_1812_Nortec GS_OM Humidification and Evaporative Cooling NORTEC IMPORTANT Read and save these instructions This manual to be left...

Page 2: ...asoline or other flammable va pors and liquids in the vicinity of the humidifier or any other appliance WHAT TO DO IF YOU SMELL GAS DO NOT try to light any appliance DO NOT touch any electrical switch...

Page 3: ...OPERATION AND MAINTENANCE MANUAL Gas fired Steam Humidifier Nortec GS Series 2583701_C_EN_1812_Nortec GS_OM...

Page 4: ...o others without the written authorization of Condair Ltd except to the extent required for installation operation or maintenance of the customer s equipment Liability Notice Condair Ltd does not acce...

Page 5: ...Menu 27 4 2 7 1 Configuration Menu 28 4 2 7 2 Service Menu 42 4 2 7 3 Administrator Menu 47 4 3 Software Configuration 48 4 3 1 Configuring the Control Software 48 4 3 2 Configuring for Multi Unit Ope...

Page 6: ...ttery 70 6 5 8 Replacing Internal Fuse 71 6 5 9 Resetting Service Reminder 72 6 6 Installing Software Updates 72 7 Fault Isolation 74 7 1 General 74 7 2 Fault Indication 74 7 3 General Troubleshooting...

Page 7: ...and accessories may only be described in so far as is necessary for proper installation and operation of the equipment Additional information on available options and accessories can be obtained in t...

Page 8: ...essary appropriate cross references to these publications have been added in this manual Storage of Manual Keep this manual in a place where it is safe and readily accessible If the equipment is moved...

Page 9: ...working with the Nortec GS humidifier must be familiar with and comply with the appropri ate regulations on workplace safety and prevention of accidents Intended Use The Nortec GS humidifier is intend...

Page 10: ...ier s instructions If you cannot reach your gas supplier call the fire department WARNING Risk of severe burns from contact with hot steam vapors The Nortec GS humidifier produces hot steam vapors for...

Page 11: ...own immediately as described in Shutting Down on page 48 and secure it against accidental power up Humidifier is damaged Electrical connections are loose or damaged Humidifier is not operating properl...

Page 12: ...583701_C_EN_1812_Nortec GS_OM Nortec GS Figure 1 1 2 3 4 5 Safety Labels 1 Label gas safety warning 2 Label keep cabinet closed warning 3 Label installation guidelines 4 Label general safety warning 5...

Page 13: ...satisfy large humidification needs The Nortec GS humidifier comes in two different housing styles compact and full size The compact units are available in capacities of 50 lb h 23 kg h and 100 lb h 45...

Page 14: ...ription Refer to Figure 3 on page 14 Figure 4 on page 16 shows the general system overview Combustion The combustion system consists of a fully modulating forced draft combustion air blower s a negati...

Page 15: ...s of two magnetic floats one is a backup that measure the water level These levels correspond to 3 LEDs on a display panel and are monitored by the control software Water Levels L5 yellow LED high wat...

Page 16: ...nection 2 Steam line rigid pipe 3 Vent exhaust 4 Valve manual gas shutoff 5 Supply line gas 6 Distributor steam SAM e 7 Duct 8 Drain line condensate with trap 9 Funnel with trap 10 Filter Water option...

Page 17: ...ath Prevention Shut down the humidifier properly as described in Shutting Down on page 48 before ac cessing the control cabinet in the humidifier Table 2 Operator Interface Element Functions Element D...

Page 18: ...creen are shown in Figure 6 Figure 6 2 3 4 5 6 7 8 9 1 10 Home Screen Elements 1 Date and time current 2 Operating status message refer to Operating Status on page 19 for details 3 Humidity control in...

Page 19: ...cription Humidifying The humidifier is generating steam Stopped The humidifier is stopped because a condition with a Fault status is active Disabled The Nortec GS humidifier is disabled by the BMS bui...

Page 20: ...d alarm messages displayed in this area are described in Table 5 and the status icons are described in Table 4 Refer to Nortec GS Warning and Fault List on page 71 for a detailed list of warning and f...

Page 21: ...shows the current setting of the humidifier s steam output capacity Software Version shows the current version of the control soft ware Select the field to update the control software refer to Softwar...

Page 22: ...nual Capacity shows the capacity limitation value as a percent age of the maximum capacity of the unit Select the field to set a fixed maximum output capacity Channel 1 shows the input signal for Chan...

Page 23: ...e shows the time of day when a full tank blowdown will oc cur Refer to the Water Management Tab on page 25 for more details Time Proportioning shows the configuration setting of the time pro portionin...

Page 24: ...31 General Menu on page 33 Basic Tab on page 33 Time Date Tab on page 33 Communications Menu on page 34 Remote Enable Tab on page 34 IP Parameters Tab on page 34 BMS Timeout Tab on page 35 Modbus Par...

Page 25: ...erforms a float check at start up and every 24 hours without interrupting steam production if humidifier is operating or in standby mode to verify that the float system is working properly Options On...

Page 26: ...lowdown Settings on page 53 for addi tional details Setting range 1 200 hr Factory setting 100 hr Fill Correction 1 allows you to adjust all the parameters for the high volume fill valve s to compensa...

Page 27: ...midity can stabilize in the conditioned environment This feature prevents the humidifier from flooding the environment with excess humidity from false humidity readings Options On the humidifier remai...

Page 28: ...igh limit signal Factory setting Single Control Mode CH 1 select the general control mode for the incoming control signal Options Demand signal from an external controller RH P uses the internal propo...

Page 29: ...t adjust this value unless instructed to do so by a Condair representative Setting range 6 65 Factory setting 15 ITime Channel 1 allows you to set the integral time for error cor rections by the inter...

Page 30: ...the humidity sensor signal The RH High warning message is triggered when the signal value exceeds this limit Setting range 20 95 Factory setting 75 RH Low allows you to set the lower limit value of th...

Page 31: ...the Linkup function is enabled Linkup Units allows you to set the number of humidifiers in the Linkup chain Setting range 1 6 Factory setting 1 Linkup Type allows you to select the mode of operation o...

Page 32: ...perate without com munication to each other before a timeout warning message is generated Setting range 60 120 seconds Factory setting 60 seconds Zero Out shows the percentage value of the system dema...

Page 33: ...ish Dutch Danish Finnish Swedish Polish Czech Hungarian Russian Japanese or Chinese Units allows you to select the units of measurement Options Imperial or Metric Contrast allows you to set the contra...

Page 34: ...will revert to Fixed assignment Fixed manually configure the network ad dress and settings Factory setting DHCP IP Address allows you to manually set the IP address Set the IP address only if IP Type...

Page 35: ...to set the Modbus address of the humidifier on the network Setting range 1 247 Factory setting 10 Parity allows you to set the parity bit for the data transfer Options None Even or Odd Factory setting...

Page 36: ...value the more its per second is transferred Device Description allows you to enter a description for the humidifier Device Location allows you to enter the location of the humidifier Node ID allows y...

Page 37: ...the humidifier This ID is used by the server to identify the humidifier Network Time available when Nortec Online is enabled Time Zone Sets the time zone the humidifier is installed in and the interv...

Page 38: ...an take up to 2 hours to flush and drain the tank using this function A warning message is displayed asking you to confirm if you want to proceed WARNING Riskofsevereburnsfromcontactwithhotsteam vapou...

Page 39: ...our Condair representative allows you to reset the service history A warning message is dis played asking you to confirm the reset All previously recorded service history is erased Export History allo...

Page 40: ...allows you to access the Relay Diagnostics menu to enable or disable the relays on the remote fault board Note The diagnostic menu will only be displayed after you acknowledge the warning message that...

Page 41: ...umidifier unusable Refer to Installing Software Updates on page 66 for detailed instructions Driver A B Update allows you to update the driver board firmware for steam cylinder A B Software Settings T...

Page 42: ...the control signal is from an external On Off humidistat Signal Type select the signal type of the incoming control signal if Control Mode is set to Demand RH P or RH PI and signal Source is set to A...

Page 43: ...chain can operate without a connection to each other before they generate a Linkup Timeout warning message Zero Out if required set the percentage value of the system demand signal at which the unit i...

Page 44: ...red LED the control software runs a series of tests on the fill and drain system as described in Water Management on page 15 On successful completion of the tests the float chamber is filled to the L...

Page 45: ...is open 5 On the CS NX models make sure that the condensate trap inside the unit is primed properly 6 Check that the contacts of all devices connected to the external security loop are closed 7 Make...

Page 46: ...the Nortec GS humidifier and the humidification system when it is in op eration Inspect the following Check the gas connection for any leaks Check the water drain and steam connections for any leakag...

Page 47: ...steam or hot water at up to 212 F 100 C Contact with the hot surfaces steam vapors or hot water can result in severe burns Prevention Never open the tank until it has been fully drained and the unit h...

Page 48: ...empty before removing the tank cover Note If the control software drain valve s does not function properly wait for the unit to cool down then open the manual drain valve and empty the tank Failure to...

Page 49: ...ble make sure that the humidifier and its components have not shifted from their mount ings and are fastened securely 4 Make sure that all condensate traps in the exhaust and steam lines are primed pr...

Page 50: ...teel and do not require internal cleaning The exhaust vent connected to the Nortec GS humidifier does not require cleaning but needs to be inspected regularly for leaks blockages sagging and proper co...

Page 51: ...rrosion or scale build up Scrape off excess scale refer to Cleaning the Tank on page 56 Replace the anode if necessary Clean the float chamber X X X Make sure that the floats move freely Clean the flo...

Page 52: ...vice life of components Hardness of water may cause foaming and contribute to scale build up in the humidifier tank and float chamber and chlorides increase the risk of stress corrosion cracking in st...

Page 53: ...a note of the recommended minimum blowdown rate for the chloride level in the feed water c Set the Blowdown Rate on the Nortec GS humidifier to the higher of the two noted values 3 Set the FTBD interv...

Page 54: ...ave a removable left side panel To remove the right side panel slide the panel towards the front of the humidifier until the tabs at the top rear and bottom rear of the panel clear the notches in the...

Page 55: ...10 11 Access Panels Removal and Installation GS 150 Shown 1 Screw 4 typical 2 Panel right side 3 Top tab door panel 4 Notch cabinet 5 Tab side panel 6 Notch door panel 7 Screw captive 8 Door panel co...

Page 56: ...wire brush or plastic not metal scraper to remove scale build up from the inside surfaces of the tank outside of the primary heat exchanger coils the inside of the drain fitting and carefully from the...

Page 57: ...hold remaining M8x25 screws in place 10 Connect the fill hose to the drain fitting and secure it with a clamp 11 Re start the humidifier refer to RestartingAfter Shutdown on page 48 The humidifier th...

Page 58: ...wn to a safe temperature before cleaning the components CAUTION Risk of damage to the humidifier components Do not use solvents aromatized or halogenized hydrocarbons or other harsh chemicals for clea...

Page 59: ...econnect the water hoses 6 Disconnect the condensate trap from the secondary heat exchanger and flush out any scale build up 7 Reconnect the condensate trap and prime the trap with water 8 Re start th...

Page 60: ...leaks 6 5 5 Cleaning Hoses Dual Fill Valves and Drain Pump Clean the fill and drain hoses the dual fill valves and the drain pump as follows Refer to Figure 15 on page 61 CAUTION Risk of damage to the...

Page 61: ...6 Setscrew 7 Cover pump 8 Housing pump 9 Hose manual drain 10 Hose overflow 11 Hose inlet 12 Hose tank to fill box weldment drain 13 Board float 14 Hose dual fill valve to secondary heat exchanger 15...

Page 62: ...w proper shutdown procedure before cleaning the burner s 1 Shut down the humidifier as described in Shutting Down on page 48 Make sure that the tank has been emptied 2 Remove the plumbing cabinet door...

Page 63: ...f the arrow 8 Visually inspect the spark igniter for any oxidation Carefully remove any build up with emery cloth Check the electrode gap is 1 8 1 16 in 3 1 5 mm DO NOT adjust the gap replace the spar...

Page 64: ...e electronic components inside the unit against damage caused by electrostatic discharge ESD Refer to ANSI ESD S20 20 Only a qualified service technician authorized by the customer should replace the...

Page 65: ...discharge ESD Prevention Take appropriate measures to protect the electronic components inside the unit against damage caused by electrostatic discharge ESD Refer to ANSI ESD S20 20 Only a qualified...

Page 66: ...leaving the USB key inserted in the board and power cycling the unit The integrated control board will detect that the software was not installed properly and restart the updating Install the updates...

Page 67: ...ycling the unit The integrated control board will detect that the software was not installed properly and restart the updating 10 Select Administrator Software Settings tab Software Update to update t...

Page 68: ...2 Fault Indication When a condition that is not normally expected occurs it is detected by the control software and a warn ing or fault message is displayed in the Service Warning Fault status area o...

Page 69: ...ng Most operational warning fault conditions are caused by improper installation or by not adher ing to the suggested best practices for installation of the humidifier and system components Hence a fu...

Page 70: ...the high limit humidistat signal Check if the high limit humidistat is installed too close to the steam distributor The recommendation is five times the absorption distance or minimum 10 ft 3 m Check...

Page 71: ...communication with the SIM card The SIM card may not be seated properly on the integrated control board Check that the SIM card is seated properly Defective SIM card Contact your Condair representa ti...

Page 72: ...rd not seated properly or defective CAUTION Electro static discharge damage to board Check that LED3 corresponding to REL4 for the high volume fill valve and LED4 correspond ing to REL5 for the low vo...

Page 73: ...it stops producing steam until communica tions with the BMS is re established W42 RH High Warning Sensed humidity is above the RH High value configured in the control soft ware The unit will remain id...

Page 74: ...sistent On unit startup the float levels do not rise logically from low water level L1 red LED to high water level L5 yellow LED Excess backpressure in the steam line Check the steam line Float level...

Page 75: ...high Check that the temperature of the water supply For optimal performance temperature must not exceed 70 F 21 C Exhaust condensate removal on CS NX model may be blocked Check for blockages in the e...

Page 76: ...atus LED on the ignition control module a solid red LED indicates an ignition control module failure Replace the ignition control module if necessary Incorrect gas valve adjustments Check if the throt...

Page 77: ...elled TH and V2 on the ignition control module after the blower has completed pre purging the system If 24 VAC voltage is detected at V2 but not at TH replace the gas valve Contact Condair to order a...

Page 78: ...sed and the drain pump is not running Floats may be stuck Visually check that the different LEDs on the float board light up as the water level in the float chamber changes If necessary clean the floa...

Page 79: ...necessary Main power to blower relay damaged Visually inspect the connections between the main power Visually inspect the blower relay for damage and replace if necessary Worn out blower The blower s...

Page 80: ...If the air proving switch does not close it may be defective and must be replaced Exhaust condensate removal on CS NX model may be blocked Check for blockages in the ex haust drain line in the unit 7...

Page 81: ...0 R61 R62 R63 R64 R65 R66 R67 R68 R69 R71 R72 R73 R74 R75 R76 R77 R78 R85 R86 S1 T1 T2 TP1 TP2 TP3 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP24 TP25 T...

Page 82: ...tage terminal strip Bk R 3 or 4 Burner Units Only Continued on next wiring diagram D C 3 or 4 Burner Units Only Continued on next wiring diagram 3 or 4 Burner Units Only Continued on next wiring diagr...

Page 83: ...485 2 RS485 1 24Vout pmp_fre drn_blower digi inputs DRIVER BOARD 2 R Gas Valve3 GND TH V2 V1 Ignition Module 3 GND TH V2 V1 Ignition Module 4 W R Spark Igniter Spark Igniter W R R Gr Y W Bl R Gr Y W B...

Page 84: ...on the gas system must only be performed by a qualified installer service agency or your local gas supplier What to do if You Smell Gas DO NOT try to light any appliance DO NOT touch any electrical s...

Page 85: ...e 48 Follow all safety precautions 2 Disconnect the gas connection to the humidifier 3 Disconnect and remove the power supply to the Nortec GS humidifier Refer to Wiring Diagrams on page 82 4 Disconne...

Page 86: ...13 6 136 GS 450 CS 37 200 10 9 37 200 10 9 558 000 163 5 558 000 163 5 30 450 13 6 204 GS 450 NX 39 000 11 4 562 500 164 9 30 450 13 6 204 GS 600 CS 37 200 10 9 37 200 10 9 744 000 218 0 744 000 218...

Page 87: ...n water temperature 140 F 60 C maximum Drainage capacity 5 3 gpm 20 L min Power Maximum current draw 15 A 10 3 Size and Weight Nortec GS Model Weight Size H W D in mm Net lb kg Operating lb kg GS 50 C...

Page 88: ...1 on page A 89 Figure A1 1 1 4 5 6 7 8 9 10 2 3 Nortec GS Hardware to be Torqued 1 Bolt M6 12 flange head qty 4 2 Stud M6x30 Bolt M6 16 hex head for older units qty 4 3 Bolt M6 12 hex head qty 4 4 Bol...

Page 89: ...steel tank cover top bolt 1 3 per door 10 in lb 1 2 N m then secure jam nut 10 in lb 1 2 N m 6 Bolt M6 40 hex head stain less steel tank cover top bracket bolt 1 3 per door 35 in lb 3 9 N m 35 in lb 3...

Page 90: ...M6x14 1 M6x14 9 M6x14 8 M6x14 4 M6x14 2 M6x14 10 M6x14 6 M6x40 Figure A3 Burner Assembly Torque Sequence 7 M6x10 1 M6x10 9 M6x10 11 M6x10 6 M6x10 4 M6x10 13 M6x10 14 M6x10 3 M6x10 5 M6x10 12 M6x10 10...

Page 91: ...rther warranty must be in writing signed by an officer of THE COMPANY THE COMPANY s parts or materials that are considered consumables including but not limited to cylinders filters nozzles membranes...

Page 92: ...835 Commerce Park Drive Ogdensburg NY 1366 2209 CANADA 2740 Fenton Road Ottawa ON K1T 3T7 Tel 1 866 667 8321 Fax 613 822 7964 Email na info condair com Website www condair com CONSULTING SALES AND SE...

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