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33

INSTALLATION (cont.)

Warning Signal Connection (Output Signal) (cont.)

4. Connect the warning signal wires to terminal L+ and L- in the unit control box 

according to the labels shown below.

L–

L+

E–

E+

G4

C4

P

RC

Y1

Y2

G

G1

UNIT TERMINAL

WARNING DEVICE

INPUT SIGNAL

RELAY OUTPUT CONTACTOR

Summary of Contents for CM 25

Page 1: ...SERIAL NUMBER FROM OCTOBER 2009 1009 TO PRESENT READ THIS MANUAL CAREFULLY FOR INSTRUCTIONS ON CORRECT INSTALLATION AND USAGE AND READ ALL SAFEGUARDS SECCI N EN ESPA OL SECTION EN FRAN AIS AVAILABLE...

Page 2: ...d This book may not be reproduced or copied in whole or in part without the written permission of the publisher DENSO SALES CALIFORNIA INC reserves the right to make changes without prior notice Movin...

Page 3: ...OPERATION MANUAL CM25...

Page 4: ...r Connection 24 Field Supplied Millivolt Wall Thermostat Connection 29 Warning Signal Connection Output Signal 32 Fire Alarm Connection Input Signal 34 FEATURES OF WALL MOUNTED CONTROLLER 36 FEATURES...

Page 5: ...TTERN 49 Self Diagnostic Codes 49 Table of Self Diagnostic Codes 49 Buzzer Pattern 50 DAILY INSPECTION MAINTENANCE 51 Cleaning Air Filters 51 Cleaning Condenser Air Intake 51 Ground Fault Breaker Test...

Page 6: ...tallation or unit operation if sufficient care is not taken Note Provides additional information that facilitates installation or unit operation GENERAL WARNINGS CAUTIONS 1 All electrical work should...

Page 7: ...7 UNPACKING Remove the package as shown below Note The unit can be installed while the unit is on the pallet See Mounting CM25 to Roof Structure on page 11 to 13 PACKAGE MOUNTING HOLES UNIT PALLET...

Page 8: ...n Isolator 4 6 Wall Mounted Controller 1 7 Shield Wire 1 8 Screw 4 Note If any of these items were not included in the box or appear damaged please contact your MovinCool reseller for replacement CM25...

Page 9: ...AIR EXHAUST 12 in DIA FLANGE DRAIN PIPE FOR PUMP CONDENSER HOT AIR EXHAUST EVAPORATOR ROOM AIR INTAKE 12 in DIA FLANGE MOUNTING HOLES CONDENSATE PAN DRAIN FOR MAINTENANCE SERVICE PANEL WALL MOUNTED C...

Page 10: ...Unit Weight 310 lb 140 kg 29 8 DIA 0 6 4 0 15 7 DIA 11 8 DIA 11 8 14 4 4 0 31 5 0 6 11 4 20 1 14 4 6 5 4 0 WALL INTAKE Minimum clearance 20 0 in from wall Minimum clearance 40 0 in from wall EXHAUST...

Page 11: ...G Be sure that the supporting roof structure is capable of supporting the weight of the unit mounting hardware and the accessories Roof structure should be capable to support four times of total weigh...

Page 12: ...re to securely anchor the top ends of the suspension rods and tighten all nuts 2 Insert four 4 nuts top to the suspension rods before mounting the unit 12 0 inch minimum height from the bottom end of...

Page 13: ...lower the pallet with the lifts 6 Make sure the unit is level Level must be less than 2 incline If the unit is not level align the nut middle to level CAUTION If level is more than 2 incline condensat...

Page 14: ...ke sure to securely anchor the top ends of the suspension rods and tighten all nuts 2 Insert four 4 nuts top to the suspension rods before mounting the unit 12 0 inch minimum height from the bottom en...

Page 15: ...itions 5 Slowly lower the lifts 6 Make sure the unit is level Level must be less than 2 incline If the unit is not level align the nut middle to level CAUTION If level is more than 2 incline condensat...

Page 16: ...erial are field supplied Note Do not use more than 4 feet 1 2 m of drain hose vertically This is maximum lift of the condensation pump 3 To insure proper drainage locate the drain hose to the highest...

Page 17: ...gravitational drain make sure that DIP switch 2 of DSW3 on the relay board is set to the ON position see DIP Switch Configuration and Setting on page 22 The condensate water will drain out from the d...

Page 18: ...Make sure the ducts are secured in order to absorb vibration from the unit Avoid sharp bending on the duct and have air ducts travel in a straight line for improved performance Field supplied hardwar...

Page 19: ...s is less than 15 0 inch 381 mm use vanes or guides to reduce air resistance 2 Make sure the ducts are secured in order to absorb vibration from the unit Avoid sharp bending on the duct and have air d...

Page 20: ...t requires a single phase 208 230 V 60 Hz power supply to operate The power supply should be a dedicated single outlet circuit with a UL approved short circuit and ground fault protective breaker with...

Page 21: ...s Cord Type SJT 3 wires or equivalent Wire Gauge 12 AWG Voltage Rating 300 V minimum Heat Resistance 221 F 105 C 1 Loosen the bottom screw 1 2 Remove nine 9 screws from the service panel on left side...

Page 22: ...crew at about 0 96 ft lbf 1 3 N m torque 6 Connect the ground wire G to the terminal block Tighten screw at about 0 96 ft lbf 1 3 N m torque DIP Switch Configuration and Setting The controller of the...

Page 23: ...tializes setting of the condenser and evaporator fan motors after replacing the fan motors OFF Set to OFF when the motor replacement is completed 2 ON No function OFF DSW3 1 ON Enters the test mode OF...

Page 24: ...1 All electrical work should only be performed by qualified personnel Repair to electrical components by non certified technicians may result in personal injury and or damage to the unit 2 Disconnect...

Page 25: ...d Controller Connection cont 3 Connect the supplied shield wire 12 feet to the 3 pin connector on the controller board CAUTION Do not touch the soldering surface of the controller board to avoid stati...

Page 26: ...e through the back cover of the controller Method A Insert the shield wire through the hole of the back cover Method B Break the dent portion of the front cover by tool pliers etc Remove the dent port...

Page 27: ...ssed Install the controller assembled in step 5 to the wall with supplied four 4 screws through the holes CAUTION Do not install the controller where unusual heating condition may occur i e hot stove...

Page 28: ...ed a maximum extension wire can be extended up to 316 feet Shield wire 16 22 AWG is recommended to use as an extension wire to reduce noise interference Recommended extension code Shield wire 16 22 AW...

Page 29: ...ical components by non certified technicians may result in personal injury and or damage to the unit 2 Disconnect power before any electrical installation 1 Use with a single or multi stage system wal...

Page 30: ...thermostat that has Fan Hi Lo speed control 2 Use the wall thermostat that is compatible with the millivolt system Do not connect the wall thermostat to AC or DC power source MILLIVOLT WALL THERMOSTA...

Page 31: ...ont 6 DIP switch 1 of DSW1 on the relay board must be in the ON position to use the millivolt wall thermostat Note 1 Default position of all DIP switches are the OFF position 2 If 1 switch of DSW1 is...

Page 32: ...ails Cooling function fails The relay output contactor is rated 5 A at 30 VDC or 5 A at 250 VAC resistive load and it is compatible with various warning devices such as alarm speakers light indicators...

Page 33: ...nnection Output Signal cont 4 Connect the warning signal wires to terminal L and L in the unit control box according to the labels shown below L L E E G4 C4 P RC Y1 Y2 G G1 UNIT TERMINAL WARNING DEVIC...

Page 34: ...turns off and does not turn back on until power source is reset or turns the wall mounted controller or wall thermostat off and on Connecting Fire Alarm Signal to CM25 1 Use recommended fire alarm si...

Page 35: ...nnection Input Signal cont 4 Connect the fire alarm signal wires to terminal E and E in the unit control box according to labels shown below L L E E G4 C4 P RC Y1 Y2 G G1 UNIT TERMINAL FIRE ALARM DEVI...

Page 36: ...om temperature and set point temperature either Fahrenheit or Celsius c Operation mode status d Fan mode status e Fan speed status f Set program status g Program run and stop h Self diagnostic codes i...

Page 37: ...ear on the compressor and eliminates in rush current resulting in no dip in the power supply 2 Fire alarm control panel connection with automatic shut off 3 Automatic shut off by warning signal output...

Page 38: ...er ONLY Controller Panel Before operating the unit it is important to familiarize yourself with the basic controls located on the control panel 4 8 in 120 mm 4 8 in 120 mm 0 6 in 15 mm LCD DISPLAY OPE...

Page 39: ...t temperature Fan automatically operates when the room temperature is above the set point temperature 4 FAN SPEED Button Activates fan speed High or Low 5 UP DOWN Buttons Increases or decreases the te...

Page 40: ...fan mode set to RUN or AUTO 13 HI or LO Illuminates to indicate fan speed set to High or Low 14 Room temperature Illuminates temperature in either Fahrenheit F or Celsius C see Note 15 Set temperature...

Page 41: ...the SET TIME button for 3 seconds Day of the week blinks 2 Press UP or DOWN button to select Day of the week 3 Press ENTER button Hour blinks 4 Press UP or DOWN button to select correct hour Note AM...

Page 42: ...ature RUN mode is automatically selected when FAN ONLY mode is selected AUTO Fan automatically stops during COOL mode after the room temperature reaches the set point temperature Fan automatically ope...

Page 43: ...on the controller panel except keypad lock and unlock operations 1 To lock press and hold ENTER and RESET buttons simultaneously for 3 seconds 2 To unlock press and hold ENTER and RESET buttons simult...

Page 44: ...OFF stop Program Setting or Press Select each Item Selecting item blinks OFF stop Program Display default Program sequence No Display Press and hold for 3 seconds Defaults all programs ON start Progra...

Page 45: ...utton to select hour Press ENTER button Minutes blinks Note AM or PM changes with hour automatically 6 Press UP or DOWN button to select minutes Press ENTER button COOL blinks 7 Press UP or DOWN butto...

Page 46: ...up program sequences from Pr 02 to Pr 10 Note Program counts period from the start time and day of Pr 01 to the stop time and day of the last program Program period can not be overlapped Overlapped ti...

Page 47: ...ote All program are set to default see page 44 for the default program displays Run and Stop Program 1 Press and hold RUN STOP button for 3 seconds to activate preset program clock symbol is displayed...

Page 48: ...ram Plan Sheet START Pr 01 STOP START Pr 02 STOP START Pr 03 STOP START Pr 04 STOP START Pr 05 STOP START Pr 06 STOP START Pr 07 STOP START Pr 08 STOP START Pr 09 STOP START Pr 10 STOP Day of the week...

Page 49: ...ire alarm is activated PU 3 Overflow protection is activated internal pump E07 Overflow protection is activated optional pump HP 4 High pressure protection is activated E01 2 Sensor fail RTS1 Wall mou...

Page 50: ...50 SELF DIAGNOSTIC CODES BUZZER PATTERN cont Buzzer Pattern 0 5 sec 1 sec 4 sec Pattern 1 Pattern 2 Pattern 3 Pattern 4 ON OFF ON OFF ON OFF ON OFF...

Page 51: ...a dusty environment more frequent cleaning may be required A dirty air filter can reduce the air output resulting in a decrease in cooling capacity Cleaning Condenser Air Intake Inspect and remove dus...

Page 52: ...breaker on 2 Ground fault breaker trip Ground fault or defective ground fault Repair ground fault section Reset or repair breaker 3 Fuse Fuse is blown Replace fuse on the relay board 4 Wall mounted c...

Page 53: ...Alarm Connection Input Signal on page 34 To reset Press RESET button PU 3 Drain hose clogged for internal drain pump Check drain hose for any blockages or excessive kinks that may prevent water flow T...

Page 54: ...se trap position is too high to pump up condensationwater for optional drain pump Improve hose installation To reset Press RESET button Optional drain pump is not working Check the drain pump connecti...

Page 55: ...2 thermistor short or open Replace RTS2 thermistor To reset Press RESET button E03 2 Loose ODS thermistor connection Check connection To reset Press RESET button Defective ODS thermistor short or open...

Page 56: ...ection or interference To reset Press RESET button E09 4 Evaporator fan motor is locked Check for any foreign object which may cause fan lock To reset Press RESET button E10 4 Condenser fan motor is l...

Page 57: ...E12 4 Compressor error Press RESET button turn the power off and turn the power on again E13 4 Relay board error Press RESET button turn the power off and turn the power on again Condition Checking A...

Page 58: ...u h 5 580 5 580 W 1 Power consumption 3 20 3 20 kW 1 Current consumption 15 0 15 0 A 1 SEER 14 14 1 Evaporator Type of fan Centrifugal Fan Air flow High 850 950 CFM 1 145 1 615 m3 h Low 700 800 CFM 1...

Page 59: ...ii accident neglect abuse misuse or other abnormal use iii failure to perform routine maintenance in accordance with DENSO s recommended procedures iv normal wear and tear v repairs or attempted repai...

Page 60: ...DENSO SALES CALIFORNIA INC Long Beach CA 90810 www movincool com P N 484007 3200EN First Issue October 2009...

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