Nortec Se Series Installation And Operation Manual Download | Manualshive

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Operation

15 psi

40% RH

15% RH

CNT Set-P

: 40% RH

5 min

(Control Settings Continued)

Supply Press

Sets the steam supply pressure for
the humidifier to us in displaying its
steam output. It is only displayed if
Press Based is set to On. (Default =
15 psi)

RH Settings

The RH Settings submenu is used to adjust setpoint, the proportional band, and the integral
time if REG Mode is set to RH (P) or RH (PI) and the humidifier is connected to humidity sensors.
Access the RH Settings submenu by pressing the menu key while RH Settings is highlighted in
the Control Settings menu.

CNT Set-P

Sets the humidity setpoint value.
The humidifier will attempt to
maintain this humidity level in the
space where the control transducer
is installed.

CNT Band should not normally be
changed. The CNT Band setting

humidifier will modulate between 0
and 100% output. (Default = 15%)

Int Time should not normally be
changed. Int Time adjusts the

corrects for proportional control error.
It is only displayed if REG Mode
is set to RH (PI) (Default = 5 min)

RH Settings

CNT Set-P

: 40%

CNT Band

: 15% RH

CNT Itime

: 5 min

LIM Set-P

: 80% RH

LIM Band

: 15% RH

LIM Damp

: 5 s

Only present if MOD Mode is set to Dual CH

RH Alerts

: On

RH High

: 75% RH

RH Low

: 33% RH

Only present if RH Alerts is set to On

RH Settings

Menu

Set

Menu

Set

Supply Pressure

15 psi

15 psi

Supply Press.

: 15 psi

Menu

Set

Control Set Point

40% RH

40% RH

CNT Set-P

: 40%

Menu

Set

Control Band

15% RH

CNT Band

: 15% RH

Note:

The RH Settings menu selection will only be displayed in the Control Settings

menu if REG Mode is set to RH (P) or RH (PI).

Menu

Set

Control Integral Time

5 min

CNT Itime

: 5 min

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Summary of Contents for Se Series

Page 1: ...al Includes installation operation maintenance and troubleshooting information for your indoor Nortec SETC B and Nortec SEP steam exchange humidifier 2552940 D 23 11 2018 Important Read and save these instructions This guide to be left with equipment ...

Page 2: ...TD except to the extent required for installation or maintenance of recipient s equipment All references to the Condair name should be taken as referring to Condair LTD Liability Notice Condair does not accept any liability for installations of humidity equipment installed by unqualified personnel or the use of parts components equipment that are not authorized or approved by Condair Copyright Not...

Page 3: ...ck 35 Nortec SETC User Interface 36 Start Up Procedure 37 Status Screens 39 Digital Controls 41 Start Up Checklists 43 Operation 44 Nortec SETC LED Status Lights 44 Nortec SEP LED Status Lights 45 How the Humidifier Works 49 Nortec SETC Humidifier Configuration 60 Nortec SEP Humidifier Configuration 63 Maintenance and Servicing 64 RequiredMaintenance 65 Maintenance Schedule 69 Maintenance Shutdown...

Page 4: ...a licensed electrician CAUTION Plumbing Steam Lines Plumbing to be performed by a licensed plumber Pressurized steam line installation to be performed by a qualified installer Drain water from humidifier can be very hot Do not drain to public sink All plumbing and pressurized steam supply line work should be done according to local plumbing code CAUTION Installation Do not mount on hot surfaces Do...

Page 5: ...re that available voltage and phase corresponds with humidifier voltage and phase as indicated on humidifier s specification label 2 If steam supply is from a Medium or High Pressure boiler ensure supply steam line includes a relief valve to prevent supply pressure from exceeding 15 psig 3 Ensure means for returning boiler steam condensate to boiler at atmospheric pressure are available 4 Ensure s...

Page 6: ...river Board High Voltage Terminal Block Base Manual Drain Switch Transformer Total Controller Heat Exchangers Faceplate Steam Outlet Fill Box Vacuum Break Steam Inlet Boiler Steam Actuator Wye Strainer CV Valve Fill Valve Drain Outlet P Trap Condensate Drain Boiler Steam Auxiliary Drain Outlet Steam Trap Mixing Box Drain Pump Figure 2 Nortec SETC Humidifier Components ...

Page 7: ...ank water to produce steam for humidification The faceplate mounts the heat exchanger to the tank High Voltage Terminal Block Primary power connection from remote disconnect to humidifier Manual Drain Switch Manually activates pump to drain water from the tank Mixing Box Blends hot tank water with cool fill water to provide drain water cooling On Off Switch Turns power On Off to humidifier control...

Page 8: ...ed in five different cabinets depending on their capacity Figure 3 Nortec SETC P Models shows the configuration and relative size of the five different cabinets Table 3 provides specifications for the Nortec SETC P product line Figure 3 Nortec SETC P Models The Nortec SE 50 100 175 250 and 375 all have a single heat exchanger The Nortec SE 525 and 750 have two heat exchangers The Nortec SE 1050 ha...

Page 9: ...ng legs of floor stand field assembled Ceiling Mounting Kit Nortec SE50 Only Providing a drain pan and support brackets for mounting an Nortec SE50 unit from the ceiling Steam Distributors Adding steam into air ducts Remote Blower Pack Adding steam into a space remote from the humidifier SAM e Steam Distribution Manifold Adding steam into air ducts where short absorption is required Digital or Ana...

Page 10: ...ption lb hr kg hr Water Consumption gal l hr Drain Volume gal l hr 50 5 13 6 15 7 2 3 9 0 8 3 10 32 14 36 16 5 7 21 1 9 7 15 50 23 58 26 9 0 34 3 0 11 100 5 26 12 30 14 4 7 18 1 6 6 10 63 29 72 33 11 3 43 3 8 14 15 100 45 115 52 18 0 68 6 0 23 175 5 46 21 52 24 8 2 31 2 7 10 10 110 50 127 58 19 8 75 6 6 25 15 175 80 201 91 31 5 119 10 5 40 250 5 65 30 75 34 11 7 44 3 9 15 10 158 72 181 82 28 3 107...

Page 11: ...Installation 8 Nortec Nortec Nortec ...

Page 12: ...e Return 17 Steam Lines and Condensate Returns 22 Electrical 23 External Controls 23 Control Wiring 23 Control Location 24 On Off Control Wiring 25 Modulating Control Wiring 27 Transducer Control Wiring 28 Optional Outdoor Temperature Reset 29 CV Valve Actuator Wiring 30 Remote Relay Board Wiring 31 Staged Modulation Wiring Nortec SETC Only 32 Options and Accessories 32 Remote Blower Pack ...

Page 13: ... ft 30 cm min Pressurized steam supply Water supply 30 80 psig Plumbing Pg 14 Boiler Steam Pg 15 Condensate return to boiler Air gap Tank drain Controls Pg 23 Modulation Controls On Off Controls 1 24 VAC 2 On Off Loop 3 Ctrl Ground 4 Control Signal 5 Limit Signal 6 5 VDC 7 Ground 8 Tank Blow Down 9 Ground 10 Actuator 11 Actuator 12 0 10 VDC Out S E X T T C P Dedicated Circuit Breaker or Disconnect...

Page 14: ...educed as a result of heat loss through the steam line Condensate drain is located close to the bottom of the humidifier Locate the unit so that condensate line slopes down to boiler or use pump by others to lift to boiler Use stand if necessary Avoid mounting humidifier on combustible surfaces including but not limited to carpet tile or certain insulating materials Clearance dimensions shown are ...

Page 15: ...face Permanently secure the stand to the floor via the holes in the leg support plates following any local codes or regulations Mount stand on level surface Ensure humidifier is Level Figure 7 Mounting on Optional Stand Fasten Nortec SE humidifier to stand with bolts lock washers and nuts provided Tighten to 200 in lb 22 6 Nm Note Center support only present on Nortec SE 525 and larger Secure stan...

Page 16: ...llation Location Clearance The Nortec SE50 weighs 180 lb 82 kg when filled with water and without any accessories or piping It is the installer s responsibility to calculate the total weight which must be supported to ensure the ceiling structure is adequate and to install support rods and to connect drain pan per local codes and regulations The humidifier cannot be used as a structural member All...

Page 17: ...ifier to facilitate servicing Insure drain line is adequately sized to provide free and easy draining and that an air gap is installed as shown See Table 3 and Table 4 on page 7 for flow requirements Auxiliary drain connection with manual shut off valve is recommended for all units Valve to be left closed on units without freeze protection option installed Valve to be left open on units with freez...

Page 18: ...ader slope down Pressurized condensate header Figure 10 Nortec SE Boiler Steam and Condensate Connection Note Pressurized steam line installation to be performed by a qualified installer Damage to Nortec SE heat exchanger will occur if it is exposed to pressure above 20 psi A safety relief valve must be installed to prevent the Nortec SE from being exposed to pressure in excess of 15 psi when the ...

Page 19: ... measured at the CV valve Lower steam supply pressures will result in lower output See Table 4 Nortec SETC P Capacities and Water Consumption on page 7 for capacities at different supply pressures If condensate cannot be gravity fed to the boiler then a pump must be used to lift the condensate See Spirax Sarco www spiraxsarco com and others for pumps and additional information on condensate manage...

Page 20: ...x 0 065 inch thick wall 251 650 114 295 0 260 0 79 4 inch Tube x 0 065 inch thick wall Condair Hose 31 100 14 45 15 4 5 Part Number 1328820 1 3 4 Note Use only stainless steel tube for reverse osmosis and deionized water applications Use 2 x 4 in steam lines for steam capacities higher than 750 lb hr 307 kg hr Use one steam hose per 100 lb hr 45 kg hr of output 10 Degrees 2 in 5 cm 1 ft 30 cm MAIN...

Page 21: ...valent Condensate normally cools in traps but is still hot A SAM e or larger steam line generates more condensate and water may not cool in the trap A drain water cooler option may be installed if required by code as steam line Unit Size Steam Output lb hr kg hr Steam Outlet and Line Size copper SST Maximum Length ft m Possible Loss lb hr ft kg hr m Possible Loss at Max Length lb hr kg hr 50 50 23...

Page 22: ...between steam outlet and steam line Figure 15 SAM e Steam Distributor Above Humidifier Copper Steam Line Shown Calculated absorption distance to any obstruction or 8 10 ft 2 4 3 m if unknown 2 x duct height min 2 3 Duct height 12 in 30 cm min Mount distributor to side of duct Figure 14 Distributor Location in Duct Note Refer to distributor or SAM e installation manuals for detailed installation in...

Page 23: ...igure 16 Steam Distributor SAM e Below Humidifier Hose Shown Figure 17 Steam Under Obstruction Copper Steam Line Shown 1 ft 30 cm 0 5 in 1 2 cm min 1ft 30 cm min before any bend Obstruction 1 ft 30 cm min Use full size condensate tee at low point Slope lines up to T and immediately after it P Trap To drain P Trap To drain Hose will soften over time proper support Is necessary ...

Page 24: ...ace 1 ft 30 cm min before turn Condensate tee every 15 20 ft 4 5 6 m Install condensate tee before distributor Condensate tee at low points Individually trap multiple condensate returns before joining on common line 1 ft 30 cm min To Drain Figure 18 Long Steam Run ...

Page 25: ... Ensure that adequate power is available to carry full humidifier amp draw as indicated on the specification label 3 All wiring to be in accordance with national and local electrical codes Single Phase Supply Ground L1 Neutral Dedicated circuit breaker or fused disconect Ground L1 Neutral E I X N T T Figure 19 Primary Power Connection Caution Wiring to be performed by a licensed Electrician All SE...

Page 26: ...t it can sense air flow or lack of it 2 Duct High Limit Nortec SETC can be modulating On Off or a humidity sensor Nortec SEP can be modulating or On Off Locate at least 10 feet from steam distributor or far enough that under normal conditions steam is fully absorbed 3 Humidity Control Nortec SETC can be Modulating On Off or a Humidity Sensor Nortec SEP can be modulating or On Off Can be located ei...

Page 27: ...l strain relief by others Air Proving Switch Figure 21 On Off Controls Duct High Limit Humidity Control Wire to make when sensing air flow 2548732 On Off Duct Humidistat Wire to make on drop in humidity 2548731 On Off Wall Humidistat or 2548732 On Off Duct Humidistat OR E S X E T 1 24 VAC 2 On Off Loop 3 Ground 4 Control Signal 5 Limit Signal SETC only 6 5 VDC 7 Ground 8 Full Tank Blow Down 9 Grou...

Page 28: ...only accept one modulating signal Knockouts provided in top and bottom panels Install strain relief by others Figure 23 Modulating Controls 2520266 Digital Duct Humidistat Package 1510142 Digital Wall Humidistat Analog Out 3 24 VAC 2 Ground 1 Connect 24 VAC terminal 1 of NortecSETC P to terminal 2 of controllers Insert On Off controls or jumper between 1 and 2 1 24 VAC 2 On Off Loop 3 Ground 4 Con...

Page 29: ...gital display to humidifier as shown for 1510142 Digital Wall Humidistat Knockouts provided in top and bottom panels Install strain relief by others Figure 25 Digital Wall Humidistat Remote Wall Sensor 2520261 Digital Wall W O Sensor 1509858 Wall Sensor Figure 26 Remote Wall Sensor Wiring Connect 24 VAC terminal 1 of SETC P to terminal 2 of controllers 1 24 VAC 2 On Off Loop 3 Ground 4 Control Sig...

Page 30: ...hown or duct On Off humidistat Humidity Control can be wall humidity transducer as shown duct humidity transducer or On Off humidistat Knockouts provided in top and bottom panels Install strain relief by others Figure 27 Transducers 1509857 2 10V Duct Humidity Transducer 1509858 2 10V Wall Humidity Transducer Insert On Off controls or jumper between 1 and 2 Figure 28 Digital E S X T 1 24 VAC 2 On ...

Page 31: ...temperature A snowflake will also be displayed to indicate cold weather operation When any key on the controller is pressed the LCD screen will display the customer specified setpoint for a short duration 2548731 On Off Wall Humidistat or 2548732 On Off Duct Humidistat 2520263 Outdoor Temperature Sensor OR Note E S X E T 1 24 VAC 1 The Temperature sensor is intended for duct mounting 2 Locate the ...

Page 32: ... Outdoor Temperature Setback On Off Control CV Valve Actuator Wiring Nortec SE 50 750 Actuator Nortec SE 1050 Actuator Nortec SE 1050 low voltage terminal strip Note 1 Wire the CV valve actuator to the humidifier s low voltage terminal strip Bk R Gr Y Bk 9 Ground 10 Actuator 24 VAC 11 Actuator Ground 12 0 10 VDC Out 2 Use minimum of 18 AWG wire and keep as short as possible SE 50 750 Terminal Stri...

Page 33: ...cate the following status 1 Unit On The normally open relay is closed when the humidifier has power and the On Off switch is set to on 2 Steam The normally open relay is closed when the control board sends a signal to the CV valve actuator to open the CV valve and steam is being produced 3 Service The relay can be wired to open NC or close NO when a warning is displayed on the humidifier display a...

Page 34: ...Connect humidistats transducers and On Off safety loop to master unit only See Multi Mode on page 54 and Multi Unit Op Range on page 56 for software configuration Note Do not reverse polarity Do not connect to pole 1 or 4 Figure 34 Staged Modulation Wiring Daisy Chain up to 16 Humidifiers Slave 1 Slave X Master Daisy chain pole 2 and 3 of terminalJ2a RS485 of the driver board ...

Page 35: ... operating if the blower packs do not have power Wire humidifier security loop in series through all blower packs and other On Off controls Drain Water Cooling External Pneumatic and electric drain water coolers are available from Condair for installation outside the humidifier or on condensate drains from steam traps distributors and SAM e headers If condensate cannot be routed back to the humidi...

Page 36: ... SETC User Interface 35 Manual Drain Switch 36 Start Up Procedure 37 Status Screens 39 Condair Digital Controls 40 Staged Modulation Nortec SETC Only 40 LINKS 2 40 Condair ONLINE 41 Nortec SETC P Pre Start Up Checklist 42 Nortec SETC P Start Up Checklist ...

Page 37: ... hose Condensate traps P Trap s with 12 in 30 cm min drop s Boiler Steam Max 15 psi High Limit Wired to terminal 5 On Off in series between terminal 1 and 2 on long runs Disconnect Correct voltage amps phase Actuator Opens CV Valve fully at 100 demand Closes fully at 0 Air gap Safety valve if from med or high press boiler Design pressure at 100 demand 1 2 in line min 30 80 PSI Control Wired to ter...

Page 38: ...itiates a software controlled drain On Off Switch Turns humidifier On Off Figure 36 Nortec SETC User Interface Manual Drain Switch The Nortec SETC P has a manual drain switch that can drain the tank even if software is not functioning To drain the tank put the switch into the drain position For normal operation the switch should be in the off position Manual drain switch Figure 37 Manual Drain Swi...

Page 39: ... humidistat see Nortec Digital Controls on page 39 If transducer controls have been installed then adjust the humidity setpoint using the keypad and display see Transducer Control on page 39 7 When either the external humidistat or internal controller generate a demand for humidity higher than 15 the security loop is closed and the float chamber indicates the tank is full the SE will transmit a si...

Page 40: ...so reports the current inputs of channel 1 and 2 If the unit is configured for internal control it also provides the current humidity and setpoints Humidifier Information Screen Model is the humidifier model type Capacity is maximum output if the unit is supplied 15 psi steam Multimode indicates if the humidifier is operating as part of a group controlled by a single control signal REG Mode is the...

Page 41: ...s water drained for scale control as of output Drain Cool indicates configuration of drain water cooling feature Float Check indicates if the humidifier will perform float checks Operational Hours Total indicates the number of hours the humidifier has been producing steam Weighted indicates the total amount of steam the humidifier has produced expressed as number of hours running at 100 output Tre...

Page 42: ...nd On Off Digital Control Operation Modulating Control The modulating controls use a PI control algorithm to transmit a 0 10V control signal to the humidifier Adjust the setpoint to the desired setting by using the up down arrow buttons on the controller On Off Control The On Off controls use a PI control algorithm to open and close a relay that opens and closes the humidifier s On Off loop Adjust...

Page 43: ...centage of the range for which it is configured Example a slave unit configured to operate between 20 and 30 demand will display a demand of 50 when demand to the master is 25 Note See Multi Mode on page 54 and Multi Unit Op Range on page 56for software configuration See Staged Modulation Wiring on page 31 for control wiring of humidifiers in a Staged Modulation system LINKS 2 Nortec SETC Only LIN...

Page 44: ... in 20 cm plus duct static pressure P Trap min 12 in drop Water Line Can provide required flow Water pressure 30 80 psig Drain Line Air gap within 3 ft of the unit Diameter Size Auxiliary drain connected with shut off valve Boiler Steam Boiler Pressure psi Pressure to humidifier psi 15 psi relief valve if med high press boiler Actuator closes and opens CV valve fully Design pressure at CV valve Co...

Page 45: ... and 2 closed yes no Demand greater than 15 yes no Controls Installed Controls Match Configuration yes no Control Setpoint High Limit Setpoint Demand Modulating Humidistat yes no or Sensed RH Setpoint Transducer yes no The Humidifier will undergo a self test when the power is turned on activating the LED s and other internal components followed by a float test If the above listed prerequisites are...

Page 46: ...ion 46 Drains 46 Steam Distribution 47 Selecting an RH Setpoint 49 Nortec SETC Humidifier Configuration 49 Navigating the Nortec SETC Software 49 Main Menu Nortec SETC Password 50 Service Level 51 User Defined Settings 53 Control Setting 56 Multi Unit Op Range 57 RH Settings 59 Diagnostic Menu 60 Nortec SEP Humidifier Configuration ...

Page 47: ...and unit is draining ON LED On Indicates steam is being produced ON LED Blinking Indicates demand with safety loop open Figure 40 Nortec SETC LED Status Lights Nortec SEP LED Status Lights DEMAND LED On Indicates steam is being produced DEMAND LED Blinking Indicates humidifier is in standby waiting for a demand SERVICE LED Flashing Indicates the controller has detected a fault The flash sequence o...

Page 48: ...d the humidifier will send a signal to the electric actuator The actuator will open as required and the flow of boiler steam will begin Energy from the boiler steam is transferred to the fresh water tank through a heat exchanger inside of the unit This causes the water to boil Full boil from a cold tank can take up to 15 minutes On Nortec SETC models the Keepwarm feature can be activated to reduce...

Page 49: ...software see Drain Cool on page 51 Steam Distribution Steam generated by the humidifier may be introduced into the air in several different ways The most common method for adding the steam into the air is to mount a steam distributor tube in a supply air duct as shown in Figure 42 Humidifier Schematic For larger ducts or larger loads it is also common to use a steam manifold with a single steam li...

Page 50: ...ighly recommended that the temperature setback function of the Condair digital controls be used under these conditions to prevent damage from condensation The digital control with an outdoor temperature sensor installed will automatically setback the humidity setpoint to correspond with outdoor temperature Duct High Limit The duct high limit is intended to prevent saturation and wetting in duct wo...

Page 51: ...m lines Balance steam line length to all blower packs Provide 120 V disconnect for blower packs power Wire blower pack safety loop terminals in series with humidifier safety loop Condensate to drain Oversize condensate line to combine multiple condensate returns Figure 44 Remote Blower Pack ...

Page 52: ...ETC are password protected to prevent configuration changes by unauthorized persons In order to access the menu level press the button corresponding to the Menu icon and when prompted enter the password 0335 Enter Password Press the Menu button from any status screen Enter the user level code 0335 using the up arrow to change the value of each digit and the right arrow to move to the next digit Pr...

Page 53: ...d the controller activates the drain pump and empties the tank Tank Pre Clean Preparation for regular maintenance to remove loose scale that may be present in the tank Reset Error History Deletes the list of errors stored in the error history The Error History is located in the Diagnostics Menu Resetting the error history is not normally required but can be done after repairs to remove faults that...

Page 54: ...hether the tank will be periodically flushed to help flush minerals and scale Blowdown frequency is controlled by the FTBD Hours parameter below Default On FTBD Time Sets the time of day when a full tank interrupting humidifier operation during critical times Default 23 30 FTBD Hours Sets the number of hours between full tank blow downs Hours are accumulated on a weighted basis 1 hour at 50 demand...

Page 55: ...bnormal site conditions Default 100 Drain Correction Increases or decreases the length of site conditions Default 100 Float Check Sets the time of day when a float check to verify drains and float operation will take place Can also disable the float check Default 23 30 and On Date Sets the date Selecting Day Month or year takes the user to a submenu that allows the value to be increased or decreas...

Page 56: ...should monitor tank level during periods of no demand If on a fault will be generated if water level drops with no demand Default Off Control Setting Control Setting allow you to set the type of external controls the humidifier is connected to In most cases the Nortec SETC humidifier is factory configured to operate with the external controls that were specified for the site Press Set while highli...

Page 57: ... controlled by a single control signal transducer signal See Multi Unit Op Range later in this section Default Standalone Menu Set Control Setting Source Analog REG Mode Demand MOD Mode Dual CH Multi Mode Standalone CNT Type 0 10 LIM Type 0 10 Only present if Mod Mode set to Dual CH Short CD On Short CD Tm 30 s Only present if Short CD set to On Time Prop Off Manual Cap 100 Mulit Unit Op Range Onl...

Page 58: ...is only checked if Short CD is set to On Default 30 s Time Prop Sets whether the humidifier will run demand is less than 15 On results in the humidifier turning on and off for short periods of time to simulate low output Default Off Manual Cap Reduces the maximum capacity of the humidifier to a percentage of its full capacity Use up down buttons to increase decrease and press Set to save the setti...

Page 59: ...o configure the humidifier s operating range when Multi Mode in the User Defined Settings menu is set to either Master or Slave The menu is not displayed if the humidifier is set to Standalone operation Access the Multi Unit Op Range submenu by pressing the menu button while Multi Unit Op Range is highlighted in the Control Settings menu Multi Unit Op Range Full Out sets the system demand at Multi...

Page 60: ...trol transducer is installed CNT Band should not normally be changed The CNT Band setting humidifier will modulate between 0 and 100 output Default 15 Int Time should not normally be changed Int Time adjusts the corrects for proportional control error It is only displayed if REG Mode is set to RH PI Default 5 min RH Settings CNT Set P 40 CNT Band 15 RH CNT Itime 5 min LIM Set P 80 RH LIM Band 15 R...

Page 61: ...s the band before output is throttled down Default 5 s RH Alerts Sets whether the humidifier will above or falls below configured limits Default Off RH High Sets the RH level above which the is generated Warning is only generated if RH Alerts is set to on RH Low Sets the RH level below which the is generated Warning is only generated if RH Alerts is set to on Menu Set Limit Set Point 80 RH LIM Set...

Page 62: ...he date and time of service Output Test Provides a means for activating all humidifier components inlet valve drain pump etc for diagnostic purposes Components can be activated one at a time Scroll to component to be tested using up down buttons press Set once to activate press again to turn off Remote Test Provides a means for testing of remote fault relays to confirm they are operating correctly...

Page 63: ...d and that any changes to the Condair SEP s settings be performed by a qualified technician Blowdown Adjustment Potentiometer Jumpers J11 to J18 Jumper J10 Figure 46 Nortec SEP Control Board Jumpers Blowdown Adjustment 25 0 50 Sets the amount of water as a percentage of steam produced that will be drained to control mineral concentration in the tank The blowdown adjustment potentiometer is located...

Page 64: ...250 0 1 0 SEP 375 1 1 0 SEP 525 0 0 1 SEP 750 1 0 1 SEP 1050 1 1 1 Full Tank Blowdown J14 and J15 The Nortec SEP can be configured to periodically drain the tank to help flush minerals and scale Jumpers 14 and 15 control blowdown frequency Hours are accumulated on a weighted basis 1 hour at 50 demand 0 5 hrs Default J14 and J15 installed no full tank blowdown Table 9 Full Tank Blowdown Jumper Conf...

Page 65: ...ed drain water cooling active J17 Removed The fill valve is not activated together with the drain pump J17 Installed The fill valve activated together with the drain pump to cool drain water Float Check J18 Whenever the Nortec SEP is first powered it performs a float check to ensure water level detection is working properly The float check can be deactivated via jumper 18 Factory setting jumper re...

Page 66: ...uired Maintenance 64 Service Warning Fault 65 Maintenance Schedule 66 Cleaning the Tank 67 Cleaning the Heat Exchanger 68 Cleaning the Float Chamber 68 Resetting Service Reminder 69 Maintenance Shutdown and Extended Shutdown 70 Nortec SETC P Maintenance Checklist ...

Page 67: ...yellow service LED The humidifier HMW Humidifier Maintenance Service timer has expired and humidifier needs maintenance 200 Hours Menu Fault Request 68 will continue to operate for another 200 hours after the warning is displayed Fault After 200 hours the humidifier will Fault LED On HMF Humidifier HMF Humidifier Maintenance Fault 34 lb hr 04 30 09 14 25 22 Security loop Closed display a fault and...

Page 68: ...mber 1 Remove float chamber and float chamber lid 2 Clean any scale deposits from walls and float magnets 3 Re install magnets Heater System 1 Inspect for dust and dirt build up 2 Blow clean with compressed air Fill System 1 Inspect for leaks at float chamber and fill valve Drain System 1 Inspect for leaks at drain pump auxiliary drain and internal vacuum break Steam Trap 1 Inspect for deposits an...

Page 69: ...and using 1 2 in socket Remove excess anti seize compound 4 Inspect the tank door gaskets Remove any scale from the gaskets the tank door gasket surface and tank gasket surface 5 Using a plastic scraper such as those used for car windshields remove scale adhered to tank walls and visible portions of the heat exchanger Remove this scale from the unit A wet vacuum can be used for this purpose 6 Insp...

Page 70: ... Remove excess anti seize compound 5 Remove the heat exchanger s by pulling on the handle and sliding the heat exchanger out of the unit 6 Note Heat exchangers are heavy use proper lifting technique when removing them It is helpful to have an assistant help remove the heat exchanger 7 Inspect the heat exchanger gaskets Remove any scale from the gaskets the heat exchanger gasket surface and tank ga...

Page 71: ...e mounting bracket to release the float chamber from the slots on the support bracket 7 Use a screw driver to remove the 3 screws from top of the float chamber and remove the lid Using a small brush or plastic scraper remove any scale from the inside of the chamber 8 Re installation is the reverse of removal Figure 50 Float Chamber Cleaning Resetting Service Reminder After completing maintenance o...

Page 72: ... the drain Nortec SEP wait until there is no water coming out from the drain 3 When the tank has completed draining turn the main power switch to Off Also shut off the electrical power at the disconnect 4 Close the manual shut off valve on the steam supply 5 Close the manual shut off valve on the water supply line 6 Briefly open the manual valve on the auxiliary drain line if applicable to drain a...

Page 73: ... If Yes Steam supply and condensate unions disconnected Anti seize compound applied and heat exchanger nuts removed Heat exchanger removed Heat exchanger gaskets cleaned and in good condition Heat exchanger cleaned with plastic scraper Heat exchanger reinstalled Nuts torque to 5 ft lb Steam supply and condensate unions reconnected Tank maintenance doors reinstalled Nuts torque to 5 ft lb Float Cha...

Page 74: ...ents 73 GeneralTroubleshooting 73 Humidifier 74 Steam Distributors 74 Nortec SAM e 75 Blower Pack 75 Digital Humidistat 76 Nortec SETC Warnings and Faults 76 Warnings 76 Faults 76 Clearing a Fault 82 Nortec SEP Faults 82 Faults 82 Clearing a Fault 83 Nortec SETC Wiring Diagram 84 Nortec SEP Wiring Diagram ...

Page 75: ...d on the inside of the humidifier door A generic copy of the Nortec SETC and Nortec SEP wiring diagram is also included at the end of this chapter for reference purposes When contacting your local representative or Condair for troubleshooting assistance please ensure the serial number has been obtained for reference purposes NOTE Most humidifier faults are not caused by faulty equipment but rather...

Page 76: ...ashing on the humidifier s display 1b Check if there is 24 VAC at terminal 2 1c Check wiring and operation of On Off devices connected to terminal 1 and 2 Ensure they are closing when they should be 2 High limit limiting output 2 Check if the high limit is installed too close to the humidifier and if it is operating correctly 3 No signal on Channel 1 3 Check voltage between terminal 3 and 4 For de...

Page 77: ... 1 Installation clearances not observed 1 Refer to distributor installation manual for required clearances Relocate distributor if required 2 Design conditions changed 2 Check supply air temperature and humidity to determine if conditions have changed 3 High limit not functioning 3 Check setting and operation of high limit Replace if defective 4 Air proving not installed or not working 4 Check tha...

Page 78: ...s not close when it is exposed to steam Digital Humidistat Symptom Cause Corrective Action s Humidistat Reading incorrectly 1 Sensor out of calibration 1 Check reading against known reliable instrument If out of calibration it can be field calibrated 10 Press buttons together until calH appears on the display Press to display the current calibration trim Adjust using buttons Press button when done...

Page 79: ...d Clearing a Fault Check the fault message that the humidifier is displaying and take any necessary actions to correct the cause s as outlined in Table 13 Troubleshooting Warnings and Faults Power cycle the humidifier with the On Off switch waiting 3 seconds between turning it off and on Table 13 Troubleshooting Warnings and Faults Code Display Message LED System Detected Cause Corrective Action s...

Page 80: ...4 Float board not detecting water 4a Check wiring to float board 5 Manual drain switch on or auxiliary drain open 5a Check that manual drain switch is not on 5b Check that auxiliary drain valve is closed FIF Float Inconsist Red On startup the unit registers that the float levels do not increase logically from 1 to 5 1 High water flow from fill valve to float chamber cooling 1 Check flow from fill ...

Page 81: ...ner Clear if obstructed FTW 3 Fill Valve not activating 3a Check wiring to fill valve 3b Activate fill valve with diagnostic output test Verify water is flowing when activated 4 Float board not detecting water 4a Check wiring to float board 5 Manual drain switch on or auxiliary drain open 5a Check that manual drain switch is not on 5b Check that auxiliary drain valve is closed HMF Maint Fault Warn...

Page 82: ... Check for leaks from tank tank covers and fittings LMI Limit Instable Limit signal Is not stable 1 High limit humidistat too close to steam distributor 1 Locate the high limit humidistat a minimum of 10 feet 3 m from the distributor 2 High limit humidistat setpoint too low 2 Adjust the high limit setpoint to 85 or more 3 Improper Proportional and Integral settings in control 3 Adjust proportional...

Page 83: ...1 Normal operation for humidifier on network control Contact network administrator to enable humidifier RHW Rh High Warning The measured RH is above the RH High alarm setting 1 Setpoint higher than RH alarm setting 1 If the humidifier is still operating then check and adjust setpoints RLW Rh Low Warning The measured RH is below the RH Low alarm setting 1 Humidifier not running 1 Check why humidifi...

Page 84: ... the steam valve activated 1 Tank temperature sensor not detecting warm tank 1b Check tank to see if hot caution 1a Check wiring to tank temperature sensor 1c Check if sensor closed when tank is hot TCW 2 No steam supply to humidifier 2a Check that isolation valve is not closed 2b Check if boiler steam is available 2c Check if CV valve opens using diagnostic output test 3 Condensate not draining f...

Page 85: ...al drain blocked Check if water drains from unit when drain manually activated If not then 1a Check restrictor in drain line immediately after pump for blockage 1b Check pump rotor to see if it is blocked 1c Check if scale has built up in sump at bottom of tank and caused a blockage 2 External drain blocked 2 Check that water can flow freely through drain lines Two Flashes Humidifier Fill Fault Wa...

Page 86: ...83 Troubleshooting Nortec SETC Wiring Diagram Figure 51 SETC Wiring Diagram ...

Page 87: ...Troubleshooting 84 Nortec SEP Wiring Diagram Figure 52 SEP Wiring Diagram ...

Page 88: ...85 Spare Parts Spare Parts ...

Page 89: ...Spare Parts 86 Distributor Spare Parts Figure 53 Distributor Exploded View and Spare Parts ...

Page 90: ...87 Spare Parts Nortec SETC P 100 1050 Plumbing Parts Figure 54 SETC 100 1050 Plumbing Parts 4 3 5 8 9 6 10 19 2 7 18 11 15 1 14 13 12 16 17 ...

Page 91: ...l Fill Valve 17 0L Min 0 35L Min 1508581 1 1 11 Auxiliary Drain Termination 1506925 1 1 1 1 1 1 1 12 Steam Trap 15psi 1508849 1 1 1 1 2 2 3 13 Float Board 2511137 1 1 1 1 1 1 1 14 Float Chamber Mounting Bracket 1113777 1 1 1 1 1 1 1 15 Float Chamber 1115933 1 1 1 1 1 1 1 16 O ring Heat Exchanger Large 2524403 1 1 2 2 3 O ring Heat Exchanger Mini 2524405 1 1 17 Heat Exchanger Kit Single 2581131 1 1...

Page 92: ...89 Spare Parts Nortec SETC P 100 1050 Cabinet and Electrical Parts Figure 55 Nortec SETC P 100 1050 Cabinet and Electrical Parts 15 14 16 13 12 3 4 5 5 11 6 10 2 1 9 7 8 17 ...

Page 93: ...Shown Membrane Nortec 1509735 1 5 Switch Rocker DPST 10A 250V 2522489 1 6 Remote Fault Indication Board SETC 2550184 1 Not Shown Cable 10pin Ribbon 2522062 1 7 PCB Driver Board 2535504 1 8 Transformer 120 240V 24V 150VA 2532672 1 9 Door Front GS SE 2523597 1 10 Panel Electrical Cabinet Reference Contact Factory 11 Panel Elec Bottom Reference Contact Factory 12 Panel Rear Elec Reference Contact Fac...

Page 94: ...91 Spare Parts Nortec SETC P 50 Plumbing Parts Figure 56 Nortec SETC P 50 Plubming Parts 1 10 11 12 13 9 8 14 15 18 17 16 2 7 3 19 5 4 6 ...

Page 95: ...at Chamber Mount SE50 2520240 1 8 5 Cover Plate Kit Clean Out Port SE50 2520461 1 9 Gasket Clean Out Port SE50 1510180 1 10 P Trap Mount Assembly SE50 2520137 1 11 Dual Fill Valve 5 5L 35 L Min 1704234 1 12 Fill Box Assembly with Connections SE50 2520235 1 13 Vacuum Break Valve 1 2 NPT 1505959 1 14 Termination Assembly with Connections SE50 2520236 1 15 P Trap Assembly Complete SE50 1510187 1 16 P...

Page 96: ...Parts Nortec SETC P 50 Electrical and Cabinet Parts Figure 57 Nortec SETC P 50 Electrical and Cabinet Parts Nortec SETC Electrical NortecSEP Electrical 7 1 1 2 12 7 3 6 9 9 13 5 6 14 4 10 11 15 10 11 8 18 17 16 ...

Page 97: ...ch Rocker DPST 10A 250V 2522489 2 7 Bracket Assm Keypad Mnt SE50 2520272 1 8 Enclosure Transformer Cabinet SE50 2549857 1 9 Transformer 120 240Vpri 24Vsec 150VA 2532672 1 10 Terminal Block 2 Pole 1473002 1 11 Ground Clamp 1323020 1 12 Switch DPDT ON OFF DRAIN SETC SEP 2538961 1 13 SEP Display Keypad Assembly SE50 2520279 1 14 SEP Led Board Assembly 1508619 1 15 SEP Control Board 1508577 1 16 Panel...

Page 98: ...95 Warranty ...

Page 99: ...rchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY THE COMPANY s limited warranty on accessories not of the companies manufacture such as controls humidistats pumps etc is limited to the warranty of the original equipment manufacturer from date of original shipment of humidifier THE COMPANY makes no warranty and assumes no liability unless the ...

Page 100: ...air Inc 826 Proctor Avenue Ogdensburg NY 13669 CANADA Condair Ltd 2740 Fenton Road Ottawa Ontario K1T 3T7 TEL 1 866 667 8321 FAX 613 822 7964 EMAIL na info condair com WEBSITE www condair com CertificateNo 002419 ...

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