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Nortec Se Series Installation And Operation Manual
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Nortec Se Series Installation And Operation Manual

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Summary of Contents for Nortec Se Series

  • Page 6 Display and Keypad Float Chamber Control Terminal Strip Tank On/Off Switch Clean Out Port Remote Relay Heat Board Exchanger Gasket Driver Board High Voltage Terminal Block Base Transformer Manual Drain Switch Vacuum Break Steam Outlet Heat Exchangers Fill Box Steam Inlet (Faceplate) Total Controller (Boiler Steam)
  • Page 8 SETC50 Note: SE 750 has SE 525-750 2 steam outlets SE 100-175 SE 1050 SE 250-375...
  • Page 13 SAM-e Distribution Manifold 1ft (30 cm) 2 in. (5 cm) min. Location Mounting Pg 11 36 in. (91 cm) Steam Min. Top Clearance Distribution (0 in SE 50) Pg 17 30 in. 30 in. 30 in. (76 cm) (76 cm) (76 cm) Min.
  • Page 14 As Close as Possible to Steam 36 in. (91 cm) Min. Distributor Top Clearance 5-95% (0 in. for SE50 only) Mount Humidifier Level 30 in. 30 in. 30 in. (76 cm) (76 cm) (76 cm) Min. Min. Side Min. Front SE 1050 Clearance Clearance...
  • Page 15 Mount stand on level surface Ensure humidifier is Level Fasten 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 SE 525 and larger. Secure stand to floor four places.
  • Page 16 12.8 in. (32.6 cm) Anchor 3/8 in (M10) support rods to ceiling (by others) Sloped drain 1/2 in. pipe (by others) Support rods and hardware (by others) must not extend below support bracket flange.
  • Page 17 Min. 1 1/4 in. OD drain line. Slope down. Increase size if combining multiple drains. Axillary drain, 1/2 in. female NPT For draining tank without pump. Leave valve closed except if freeze protection is installed. *Pipe, unions, and water shut-off valve not supplied by NORTEC.
  • Page 18 Condensate Drain Port (see table 3) Condensate drain line. Gravity feed to boiler. Use pump if condensate must be lifted. Note: Nortec supplies CV valve, actuator Not pressurized Pressurized condensate and wye strainer. All other condensate header header components and fittings by others.
  • Page 19 2 turns then push in and Actuator 1/8 turn to lock Install stem Install jam nut extension and lock washer Raise valve stem to full up 1/2 in. (1.2 cm) min. Install and tighten mounting nut CV Valve Turn stem extension until holes Insert...
  • Page 20 Use Appropriate Slope Insulate Pipe 10 Degrees 2 in. (5 cm) 1 ft (30 cm) 2 Degrees St eam Dire ction 1 in. (2.5 cm) pipe 0.5 in. 1ft (30 cm) insulation (12 mm)
  • Page 21 Trap Traps Use: - NORTEC 0.375 in condensate hose - 1/4 in Med-L copper tubing, or - 0.375 in stainless steel tubing Condensate drains must be sloped down. Route to humidifier fill cup if possible.
  • Page 22 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 Hose cuff with clamps Insulated copper steam line.
  • Page 23 Hose will soften over time proper support Min 12 in. Is necessary (30 cm) radius Support Brackets Install Condensate Tee Before Distributor 1 ft (30 cm) min. Before any bend 1 ft (30 cm) Trap min. Trap To drain To drain 1 ft (30 cm) 0.5 in.
  • Page 24 Method for Longer Runs With Limited Vertical Space Condensate Install condensate tee 1 ft (30 cm) tee every before distributor min before turn 15-20 ft (4.5 - 6 m) 1 ft (30 cm) min. Condensate Individually trap multiple condensate tee at low To Drain returns before joining on common line.
  • Page 25 Knockouts provided in top and bottom panels. Install strain relief (by others) High voltage terminal block Note: SETC / P Primary Power 1 Dedicated external fused disconnect must be installed. Fusing must not exceed max Single Phase Supply circuit protection as indicated Ground Ground on the specification label.
  • Page 26 10 ft min. Duct High Humidity Proving Limit Control Switch (return air duct or in room)

  • Page 27: Air Proving Switch

    Duct High Limit Air Proving Humidity Control 2548732 - On/Off Switch 2548731 - On/Off Duct Humidistat Wall Humidistat Humidifier Terminal Strip Note: 1 Humidifier will run when circuit between terminal 1 and 2 on humidifier is closed. 2 Terminal 1 is 24VAC Hot, turn unit off to avoid shorting while wiring.
  • Page 28 Air Proving High Limit Humidistat Switch Control Humidistat Humidifier Terminal Strip Note: 1 Install On/Off controls or jumper between terminal 1 and 2 of humidifier in order to run. 2 Terminal 1 is 24 VAC Hot, turn unit off to avoid shorting while wiring.
  • Page 29 Air Proving Duct High 2520261 - Digital Switch 1509858 - Wall Limit Wall W/O Sensor Sensor Humidifier Terminal Strip 2520261 - Digital Wall W/O Sensor 1509858 - Wall Sensor Wire wall sensor to digital display as shown below, wire digital display to humidifier as shown for 1510142 - Digital Wall Humidistat.
  • Page 30 Duct High Limit Air Proving Humidity Control 1509857 - 2-10V Switch 1509858 - 2-10V Wall Duct Humidity Humidity Transducer Transducer Note: 1 Humidifier Terminal Strip Install On/Off controls or jumper between terminal 1 and 2 of humidifier . Terminal 1 is 24 VAC Hot, turn unit off to avoid shorting while wiring.
  • Page 31 2548731 - On/Off Wall Humidistat or, 2520263 - Outdoor Temperature 2548732 - On/Off Duct Humidistat Sensor Note: 1- 24 VAC 1 The Temperature sensor is 2 - On/Off Loop intended for duct mounting. 3 - Ground 2 Locate the temperature sensor 4 - Control Signal near the fresh air intake.
  • Page 32 2520263 - Outdoor Temperature 1510142 - Digital Wall Humidistat or, Sensor 2520266 - Digital Duct Humidistat Package Insert On/Off controls or jumper Note: between 1 and 2 1 The Temperature sensor is intended for duct mounting. 2 Locate the temperature sensor near the fresh air intake.
  • Page 34 Daisy Chain up to 16 Humidifiers Slave 1 Slave X Master Daisy chain pole 2 and 3 of terminal of the J2a-RS485 driver board. Note: Do not reverse polarity. Do not connect to pole 1 or 4.
  • Page 37 Min 10 ft (3 m) 2 x duct height Calculated absorption distance from fan or to any obstruction or 8 - 10 ft transition (2.4 - 3 m) if unknown. On/Off Controls (Air Proving) in series between terminal 1 and 2 Steam Line P Trap(s) with 12 in .
  • Page 38 LCD Display and Input Buttons (Buttons used to navigate . status screens and configure the humidifier, correspond to icons on the display) Status LEDs Software Drain Button (Initiates a software controlled drain) On/Off Switch (Turns humidifier On/Off) Manual drain switch...
  • Page 39 Request Idle 0 lb/hr 04/30/09 14:25:22 Security loop: Closed Menu...
  • Page 40 Request 100% Idle 750 lb/hr 04/30/09 14:25:22 Security loop: Closed Menu Request Idle 0 lb/hr 04/30/09 14:25:22 Security loop: Closed Menu CONTROL CONTROL Man Cap. : 100% Man Cap. : 100% Demand : 55% RH CNT : 55% Limit : 80% CNT Set-Pt : 50% Output...

  • Page 41: Tank Status

    Analog Output Output Signal : X.X VDC Capacity : xxx lb/hr Total O/P : xxx lb/hr Tank Monitor : On/Off Quick Warm : On/Off Press. Base : On/Off Menu TANK STATUS Fill Valve : ON/OFF Drain Pump : ON/OFF Float Level Run Time : xxx hr Serv.
  • Page 42 Humidity (RH %) Output signal is shown on modulating controller proportional to the demand. Indicates the humidistat is on. State of On/Off humidistat A half moon indicates it is off. Setpoint (RH%) Snowflake indicates the setpoint is being overridden by outdoor temperature.
  • Page 43 Humidity (RH %) Option button accesses sensor calibration. See troubleshooting Adjust calibration while in calibration mode Power button will display if an attempt is made to turn off the transducer.
  • Page 45 If no, perform Pre-Start-up Checklist before starting humidifier. The prerequisites for the humidifier activating the CV valve actuator to make steam are as follows: The Humidifier will undergo a self-test when the power is turned on activating the and other internal components followed by a float test.
  • Page 47 Fault LED On Indicates the controller has detected a fault condition and stopped humidifier. Check display for fault information Service LED On Indicates that service may be required or that a warning condition exists. Check display for warning information Service LED Blinking Indicates drain button has been pushed and unit is draining.
  • Page 48 Steam Line Steam Distributor CV Valve Actuator Trap Cooling to Float Chamber Tank Float Chamber Fill Box Dual Fill Valve Boiler Steam Vacuum Break CV Valve Drain Outlet Steam Trap Trap / Overflow Heat Exchanger Condensate Lower Mixing Drain Pump Auxiliary Drain Return to Boiler...
  • Page 50 SAMe Manifold Insulated copper steam line. Support so weight is not on steam outlet. Condensate line Trap...
  • Page 51 Blower Pack Blower Pack Blower pack condensate dain Trap Insulate steam lines Provide 120 V disconect for blower packs Balance steam power. line length to all blower packs Wire blwoer pack safety loop terminals in series with humidifier safety loop. Condensate to drain Oversize condensate...
  • Page 52 Screen Displays Screen Displays Set P Request 100% 45 % Idle 150 lb/hr 04/30/09 14:25:22 Security loop : Closed S et Menu Press to go Press to ?=Press for Press to go Press to Press to down a go left information accept up a menu...
  • Page 53 Service Level Service Reminder Service Reminder Service Reminder : 500 :500 500 hr Tank Drain 500 hr Tank PreClean Reset Error History Reset Serv. Reminder Menu Menu Interrupt Operation Tank Drain Menu Interrupt Operation? Tank PreClean (This Operation Can Take >1 hr) Menu Reset Error History Reset Error History...
  • Page 54 Drain Cool User Defined Settings Drain Cool : On Drain Cool : Off BD Rate : 25% FTBD : Off Smart FTBD Time : Off FTBD Hours : 100 Idle Mode : Idle Drain Idle Time : 72 hr Menu Fill Corr : 100% Drain Corr...
  • Page 55 Idle Mode Idle Drain Idle Drain Idle Drain Idle Mode : Idle Drain Keep Warm Menu Idle Time 72 hr 72 hr 72 hr Idle Time : 72 hr Menu Fill Correction 100 % 100 % 100 % Fill Corr : 100% Menu Drain Correction...
  • Page 56 Time Hour Hour Minute Time : 13:22 Menu Unit Steam lb/hr lb/hr lb/hr kg/hr Unit : lb/hr Menu Language English English English French Language : English Dutch German Menu Contrast Contrast Menu Leak Check Leak Ck : Off Menu...
  • Page 57 Control Setting Source : Analog 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...
  • Page 58 CNT Type 0-10 V 0-5 V 1-5 V 0-10 V 0-10V 2-10 V CNT Type : 0-10 0-16 V 32-16 V 0-20 mA 4-20 mA Menu LIM Type 0-10 V 0-5 V 0-10 V 0-10V LIM Type : 0-10V 2-10 V 0-16 V 3.2-16 V Menu...
  • Page 59 Multi Unit Op. Range Full Out : 20% Full Out : 20% Multi Unit Op. Range Zero Out : 0% Menu Modbus Settings Parity : Even Parity : Even Timeout : 300 s Modbus Settings Rem Disable : On Menu Pressure Based Press.
  • Page 60 Supply Pressure 15 psi 15 psi 15 psi Supply Press. : 15 psi Menu RH Settings CNT Set-P CNT Set-P : 40% RH : 40% CNT Band : 15% RH CNT Itime : 5 min LIM Set-P : 80% RH LIM Band : 15% RH RH Settings...
  • Page 61 Limit Set Point 80% RH 80% RH LIM Set-P : 80% Menu Limit Band 15% RH 15% RH LIM Band : 15% RH Menu Limit Damping LIM Damp : 15% RH Menu RH Alerts RH Alerts : On Menu RH High 75% RH 75% RH RH High...
  • Page 62 Diagnostic Menu Fault History Fault History 04.14.07 21:48 E19A Fault History Service History 03.20.09 02:35 E19A Output Test Remote Test Menu Menu Service History 04.21.07 09:10 03.21.09 10:10 Service History Menu Output Test Inlet Valve: Output Test Menu Remote Test Steam Relay: Remote Test Menu...
  • Page 63 Blowdown Adjustment Potentiometer Jumpers J11 to J18 Jumper...
  • Page 67 Request Warning HMW - Humidifier Maintenance Humidifying 134 lb/hr Service LED On 04/30/09 14:25:22 Security loop: Closed Menu HMW - Humidifier Maintenance Service timer has expired and humidifier needs maintenance + 200 Hours Request 68 % Fault HMF - Humidifier Maintenance Fault LED On Fault 34 lb/hr...
  • Page 69 Tank Door Locknuts. Top Cover Apply anti seize compound to remove. Do not crush gasket. Max 5 ft-lbs torque. Gaskets Top Maintenance Door (SE 525 - 1050 Only) Front Cover Front Maintenance Door...
  • Page 70 Steam Connection Union Heat Exchanger Gasket Cabinet Cover F&T Trap Union F&T Trap Heat Exchanger Locknuts F&T Trap Apply anti seize compound Union to remove. Heat Exchanger Do not crush gasket. Max. 5 in-lb torque...
  • Page 71 Caution: Do not reverse float chamber hoses To tank To fill valve Squeeze tabs to remove assembly from humidifier...
  • Page 79 Controller clock Clock Fault failure. The drain pump is activated but Drain Ck Fault water level has not decreased...
  • Page 80 The fill valve has been active for an extended Fill Check Fault time without increasing a float level. On startup, the unit registers that the float Float Inconsist. levels do not increase logically from 1 to 5...
  • Page 81 More than one Float Level is Float Level registering at the same time (Cont) The fill valve has been active for Fill Fault / an extended Warning time without reaching level 1. The Humidifier Maintenance interval and 72 hour window for cleaning has Maint.
  • Page 82 (Cont) Float level has dropped multiple Leak Fault / times while no Warning steam is being produced. Limit signal Limit Instable Is not stable. Controller Flash R/W Fault Memory failure ModBus No Modbus Timeout signal...
  • Page 83 Master unit. (This unit is set up as slave) The unit has been remotely disabled through Remote modbus Disabled communication or Nortec Online. The measured Rh High RH is above the Warning RH High alarm setting. The measured Rh Low...
  • Page 84 The tank has not become hot with Tank Cold Fault the steam valve activated.
  • Page 96 SETC Electrical SEP Electrical...
  • Page 100 Certificate No. 002419...
  • Page 106 SETC Outdoor Specific Components Mounting Panel (External Disconnect) lectrical Conduits --... Outdoor Cabinet Cabinet Drain ..._ (Drain Pan) Outdoor Mounting Base (With integral drain ,,.._ Lifting Hook (4) pan) Exhaust Fan Freeze Protection Valve Auxiliary Drain Outlet (Freeze Protection Valve) Figure 2: SETC Outdoor Humidifier Components...
  • Page 107 Introduction...
  • Page 110 SETC Outdoor 525-750 SETC Outdoor 100-175 SETC Outdoor 250-375 SETC Outdoor 1050...
  • Page 113 Modulation 1- 24 VAC On/Off Controls 2- On/Off Loop Controls 3- Ctrl Ground 4- Control Signal 5- Limit Signal Controls 6- 5 VDC SAMe Distribution Manifold 7- Ground Pg 17 8- Tank Blow Down 9- Ground 10- Actuator 11- Actuator 12- 0-10 VDC Out Steam...
  • Page 114 0-100% As Close as 36 in. (91 cm) Min. (Non Possible to Steam Mount top clearance Condensing) Distributor HumidifierLevel (SE525 - 1050 only) 10 in. 30 in. (25 cm) 30 in. (76 cm) Min. (76 cm) Min. (SE525- Min. Side 30 in.
  • Page 115 Roof Curb 34.1 in (86.6 cm) 0.7 in (17.5 mm) 5 in (13 cm) 6 in (15 cm) 15 in. (38 cm) 0.75 in (19 mm) 3.75 in. (9.5 cm) Max. Pipe Chase Location Front...
  • Page 116 Remove lifting lugs Insert wood Cabinet Base block Pipe Chase Screw to Curb Outside Skirt Roof Curb Inside Skirt Cross section of curb and cabinet base from right side...
  • Page 117 Min. 1 1/4 in. OD drain line. reducer is ideal. Slope down. Increase size Hose/line must not touch if combining multiple drains. the bottom of the funnel. *Pipe, unions, insulation, heat trace, and water shut-off valve not supplied by NORTEC.
  • Page 118 To Humidifier Heat trace and insulate Inside Building Remote Relay Board in humidifier Normally Open Valve Normally Closed Valve Error Relay 24 VAC (From Transformer) Ground Water Supply Line To Drain...
  • Page 119 Note: Nortec supplies CV valve, actuator, and wye strainer. All other components and fittings by others. Boiler steam inlet port (see table 3 of SE Indoor IOM manual for size) F&T Trap Condensate Drain Port (see table 3 of SE Indoor IOM...
  • Page 120 Insulate up to cabinet, Insulation shown for cut back to show steam connection only. Connect to steam outlet with hose cuff 1 ft (30 cm) 2 in. (5 cm) min. Run steam line down through roof or across to rooftop air handler.
  • Page 121 Disconnect (by others) Conduit Fittings SETC Outdoor Power and Disconnect Pipe Chase High Voltage Terminal Block Note: SETC Outdoor Primary Power Wiring 1 Dedicated external fused disconnect must be installed. Fusing must not exceed max Single Phase Supply circuit protection as indicated Ground Ground on the specification label.
  • Page 127 ASD & BSD 1506162 - Distributor End Cap Assembly 1506164 - Distributor End Cap Assembly Distributor Core ASD & BSD 1506161 - Distributor Inlet Assembly 1506163 - Distributor Inlet Assembly...
  • Page 130 SETC Outdoor Cabinet and Electrical Parts Fi g ure1 6: SETC/P1 0 0- 050 Cabinet Electrlca IParts Spare Parts...
  • Page 134 Certificate No. 002419...

This manual is also suitable for:

Setc b+Setc50Se 525-750Se 100-175Se 250-375Sep series ... Show all