Nortec Electric Steam Humidifiers, Installation & Operating Manual

Page 1: ...RESDELUX Steam Humidifiers Installation Operation Maintenance and Troubleshooting Guide IMPORTANT READ AND SAVE THESE INSTRUCTIONS This guide to be left with equipment owner Form 03 58 1505691 REV A ...

Page 2: ...AL REQUIREMENTS FOR PERMANENTLY CONNECTED RESDELUX 6 ELECTRICAL REQUIREMENTS FOR THE CORD CONNECTED MODEL RESDELUX C 6 LOW VOLTAGE CONTROL WIRING AND INSTALLATION 6 CONTROL WIRING 6 CONTROL INSTALLATION 7 OPERATION 7 INTRODUCTION 7 RESDELUX OPERATION 7 MANUAL CAPACITY ADJUSTMENT 8 OTHER POTENTIOMETERS 8 MAINTENANCE 8 STEAM CYLINDER 8 WHEN TO REPLACE THE STEAM CYLINDER 8 HOW TO REMOVE THE STEAM CYL...

Page 3: ... DRAIN TIME 12 RATED AMPERS 12 SHORT CYCLING 12 FOAMING 12 BACKPRESSURE 12 MONITORED LEG 12 RESDELUX WIRING DIAGRAM 13 SUGGESTED WIRING INTERFACE FOR FAN CONTROL 14 SPARE PARTS LIST AND EXPLODED VIEW 15 16 PERIODIC MAINTENANCE CHECKLIST 17 ...

Page 4: ...ION MOUNTING HUMIDIFIERS RESDELUX Series humidifiers are designed to mount on a suitable wall or vertical surface Do not sit on the floor due to additional clearances required for plumbing electrical and control access holes The clearance dimensions shown in this manual are for reference only and are the minimum required for maintenance of the humidifier Local and National Codes should be consulte...

Page 5: ...urface of the humidifier The nozzle must be at least 1 ft 305 mm above the top surface of the humidifier Locate the steam hose so that it slopes at an angle of at least 20 Figure 6 4 Steam distribution nozzle below top surface of humidifier The steam hose must first rise to the minimum height of 1 ft 305 mm above the top surface of the humidifier and thereafter slope a minimum 5 in a uniform manne...

Page 6: ...ifier cabinet or located remote from the RESDELUX humidifier The blower pack is powered directly from the RESDELUX control board It cannot be powered separately On a call for humidity blower fans are powered and remain powered for about two minutes after steam production is interrupted Cabinet Mounting of the Blower Pack The RESDELUX blower pack comes with a basic hardware kit The kit contains all...

Page 7: ...at it is unplugged RESDELUX C 3 Find a suitable location for mounting the remote blower pack The surface should be flat with adequate clearances for the top side and front 4 Minimum slope of steam hose is 20 Steam lines longer than 5 ft require condensate trap installation see Figure 6 5 RESDELUX blower pack has two teardrop or keyhole openings on the back of the cabinet for mounting purposes They...

Page 8: ... could become plugged 4 ALWAYS supply and install a shut off valve in the water supply line dedicated to the humidifier to facilitate servicing Use O D copper to within 4 feet of the humidifier Reduce copper to 1 4 O D and connect to the factory supplied 1 4 olive compression fitting under the humidifier DRAIN LINE 1 The humidifier is equipped with a 7 8 O D unthreaded horizontal drain outlet from...

Page 9: ...roblems BEFORE installing and operating the unit 3 The 120 volt humidifier operates on 11 5 or less amps and may be used in any properly wired general purpose household receptacle See Table 2 for specifications for individual branch circuit requirements Table 2 Suggested Individual Branch Circuit Nameplate Amps 11 5 AWG Wire Size 14 AWG American Wire Gauge Based on copper wire at 60º C temperature...

Page 10: ...esentative of overall space being humidified and not in the path of the blower pack or air supply grille Do not mount on an outside wall where temperature fluctuation can affect the control response 2 Duct Humidistat Mount the duct humidistat In a location representative of overall air humidity usually the return duct Do not mount it directly in front of the steam distributor or in a turbulent or ...

Page 11: ...TMENT The RESDELUX humidifier is rated in lbs hr of steam output capacity Set to 100 it will operate at full output until the humidistat has sensed that the humidity has reached setpoint it will then stop when the control circuit 1 2 is interrupted See Figure 13 If the humidifier is oversized the humidistat will be quickly satisfied less then 10 minutes and stop the humidifier As the humidity leve...

Page 12: ...it 5 Open the front cover door 6 Cylinder plugs are attached to the primary voltage cylinder wires Remove cylinder plugs from cylinder pins by pulling vertically 7 Using a slotted screwdriver loosen the steam hose clamp s and pull the steam hose off the cylinder vertically 8 The cylinder is now ready to be lifted out of the unit CAUTION Cylinder and any undrained water might still be HOT 9 Remove ...

Page 13: ... valve port 8 The tapered end of the spring must be installed toward the solenoid Reassemble and tighten the actuator 1 4 turn past hand tight 9 Clean out the end of the hose then reconnect it to the drain valve body with the clamp 10 Inspect the o ring to make sure it is in good condition 11 Fit mounting screws through the drain valve body one through the ring terminal on green ground wire 12 Pus...

Page 14: ...his may take a day or two Off Off No power to the board Check for main power supply fault Turn power switch to Drain position If drain valve is activated sound of solenoid check connection to the board or board itself When no sound present check fuse replace with 1 5A if needed transformer voltage should be present between fuse holder and ground screw 1 flash sequence Off Over current Operating am...

Page 15: ...nual drain time with and without the external drain connected Is the external drain impeding flow NORTEC recommends an open external drain line See the Installation section of this manual RATED AMPERS This refers to amps listed on the humidifier specification label SHORT CYCLING When the on time of the humidifier is less than ten minutes upon a call for humidity To correct short cycling all humidi...

Page 16: ...08 240 Vac Hookup STEP DOWN TRANSFORMER PRIMARY VOLTAGE EXTERNAL INTERNAL S 1 5 A ON OFF CONTROLS LOW VOLTAGE TERMINAL STRIP WIRING DIAGRAM No RSD0001 Rev H November 15 1999 RESDELUX D MODEL RESDELUX MODEL RESDELUX C HIGH WATER 1 P1 P3 P7 P4 5 RL 1 RL 2 1 1 1 1 2 2 2 2 3 REMOTE BLOWER PACK CONNECTION GREEN YELLOW STATUS LAMPS ...

Page 17: ...MIDISTAT HUMIDISTAT WIRED IN PARALLEL WITH NORMAL FAN RELAY AIRFLOW SWITCH MAKES WITH AIRFLOW PN 1329203 HI LIMIT HUMIDISTAT PN 1329108 MAKES ON FALL IN HUMIDITY 1 2 24VAC 120 208 240 V POWER SOURCE TRANSFORMER WITH BUILT IN CIRCUIT BREAKER BY OTHERS RESDELUX LOW VOLTAGE TERMINAL STRIP DPDT AUX FAN RELAY 24VAC COIL WITH 2 NORMALLY OPEN CONTACTS ...

Page 18: ...b 132 8850 Condensate hose small dia 13c 132 8860 Condensate hose medium dia 13d 132 5023 Clamp small house 13e 132 5035 Clamp medium hose 14 132 1216 Drain canal round 14a 132 5064 Screw drain canal 15 163 1026 Gasket for round drain canal 16 158 3511 Power control board provide unit serial number when ordering 17 150 1491 Transformer 120 24 Vac 18 158 3126 Fuse 1 5A 19 132 3097 On Off Drain swit...

Page 19: ... 16 1 2 5 3 7 6 9 10 19 11 12 14 15 20 13e 4 21c 18 16 17 8 22 23 24 21b 21a 13a 13d 13b 13c 11b 14a 11a 8a 12a ...

Page 20: ..._________________________ Inspect Check Clean and Adjust all items listed STEAM GENERATORS r Replace cylinder check drain valve and fill valve SUMP AND DRAIN LINES r Clean sump and drain lines and make sure drains and drain lines are free of restrictions Check for leaks and proper water level STEAM DISTRIBUTION r Check steam line sloping no leaks no condensate around blower pack or distribution no...

Page 21: ...all other warranties expressed or implied by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and then said liability shall be limited to the original purchase 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 NORTEC s manufacture such as c...

Page 22: ...MTH DAY YR _________________________ MTH DAY YR NORTEC AIR CONDITIONING INDUSTRIES LTD 2740 Fenton Road Ottawa ON K1T 3T7 Tel 613 822 0335 Fax 613 822 7964 A WMH COMPANY PRINTED IN CANADA NORTEC INDUSTRIES INC 826 Proctor Avenue Ogdensburg NY 13669 Tel 315 425 1255 e mail nortec humidity com 2 E65185 LR 35859 ...