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D3IG 090120150 TG MDIG3BE1

1. Flow Fan 1 80 m3 s 2 10 m3 s 2 40 m3 s 2 70 m3 s 3 00 m s Power Absorbed p Power Absorbed Power Absorbed Power Power Absorbed CER 2L AR dE AE ARR AE AER 960 270 1 5 1 8 179 1 7 2 1 91 2 1 2 5 22 2 6 3 1 1000 321 1 6 2 0 229 1 9 2 3 140 2 3 27 70 2 8 3 3 1040 372 1 8 2 2 280 2 1 2 5 190 2 5 3 0 119 3 0 3 6 44 3 7 44 1080 424 2 0 2 4 331 2 8 2 8 240 2 7 3 8 169 3 8 3 9 93 3 9 4 7 1120 476 2 3 27 382 2 5 3 0 291 3 0 3 6 219 3 5 4 2 142 4 2 5 0 1160 529 2 5 3 0 434 2 8 3 3 342 3 2 3 9 269 3 8 4 5 Application of ducts with downward discharge m3 s Flow me 1 80 m3 s 2 10 m3 s 2 40 m s 2 70 m s 3 00 m s PM esp Anabel Poner Asotea Powe Poner mote Pa wy Ww Pa kW kW kw KW kW 960 213 1 5 1 8 104 1 7 2 1 1000 264 1 6 2 0 154 1 9 2 3 51 2 3 27 i 1040 315 1 8 2 2 205 2 1 2 5 100 2 5 3 0 30 3 0 3 6 1080 367 2 0 24 256 2 3 2 8 151 2 7 3 3 79 3 3 3 9 1120 419 2 3 27 307 2 5 3 0 201 3 0 3 6 129 3 5 4 2 42 4 2 5 0 1160 472 2 5 3 0 360 2 8 3 3
2. 090 120 150 Evaporating Centrifugal fan Dia x Width mm 305 x 305 381 x 305 381 x 305 unit fan Fan motor kW 1 5 2 2 4 Tubing 3 3 3 RA Fins per inch 13 13 13 Front surface 0 73 1 02 1 25 Dia propeller mm per unit 610 610 610 Condensing unit motor kW per unit 0 4 0 4 0 4 two per unit per unit 2 900 3 600 4 400 m s per unit 1 37 1 70 2 08 Tubing 2 2 2 usar Fins per inch 13 13 16 Front surface m 1 55 2 23 2 73 Quantity per unit 294 x 594 mm 2 Air filters Quantity per unit 390 x 594 mm 2 2 3 see note Quantity per unit 442 x 594 mm 2 2 Total front surface m 0 87 1 05 1 30 Load Refrigerant 22 or 407C 3 13 20 gt Sys 2 kg 3 13 4 28 4 75 Weight kg 472 537 642 Weight accessories kg Motor driven damper 34 economiser 35 Mounting base fixed adjustable 70 130 Barometric damper fixed outdoor air intake 4 5 Extraction fan 30 NOTE The filter holders are prepared for 25 mm or 50 mm filters 18 Table 4 Wiring specifications Compressor Outdoor fan Impulse air J Nos 1 amp 2 motor x 2 fan motor Total uni
3. Servicing access Upon removal of the following panels the different compo nents subject to revision repairs or maintenance are acces sible Compressor compartment Burner compartment two panels Fan compartment Main electric panel Filter compartment See Fig 12 for the location of these access panels CAUTION To maintain an airtight seal of the panels be sure to replace all screws with their corresponding O rings located between the panel internal supporting surface and the base of the unit Optional economiser rain hood When an economiser rain hood is installed proceed as de scribed below The outdoor and return air dampers the damper actuator the damper drive mechanism and outdoor and re turn air dividing deflectors and all control sensors are sup plied factory mounted as a part of the economiser option All hood components including filters gaskets and mounting accessories are packed and located in the filter section of the unit See Fig 10 1 Remove and discard the outdoor air opening cover located at the back of the unit 2 Assemble the rain hood as follows a Place gaskets on all hood components as described below On the outer surface and on the latch facing the unit of each side panel Extend the gasket approximately 6 mm further out than the top and bottom ofthe latch so as to insure an adequate seal On the edge and latches with
4. 178 90 112 E 8 CONDENSATION AIR 645 1800 gt OUTDOOR AIR DETAIL Y with accessory rain hoods Fig 12 17 learances supply entry diameters and duct cover extraction ref Fig 12 Al units require certain clearances for optimum operation and performance The installer must foresee adequate combus tion and ventilation air in compliance with local regulations re to garding buildings See the following dimensions with regard the clearances required for the fuel construction servicing and correct operation of the unit 3 The unit can be installed on combustible materials capable of withstand ing temperatures of up to 92 C 197 F with an intermittent exposure to temperatures of up to 124 C 255 F This unit is designed to be installed outdoors only When installed on ground level the building eaves should not be at less than 1830 mm perpendicularly from the top of the unit and should not overextend more than 915 mm horizontally over the top of the unit If the eaves are at more than 3050 mm above the top of the unit there are no restric tions on the horizontal dimensions Supply entry data Clearances mm Hole Opening diameter Used for Front 610 mm Behind 300 Without economiser Control 915 With economiser A 23 wiring BER 610 Without economiser B1 38 Po
5. GAS SECTION P4 e AS e 8 G R C1 P5 P9 RS P8 GV1 2 2 c1 c2 o 1T 24 VAC TRANSFORMER P3 S3 P4 S4 P8 S8 GAS CONTROL CONNECTOR TAKE 24 V TO MINIMUM POSITION TAKE 0 V TO COMPLETELY CLOSED KT K2 RELAYS FREE COOLING CONTACTS ACTIVATED MECHANICAL COOLING CONTACTS NORMAL POSITION 1 24 VAC THERMOSTAT RELAY PLATE AS AIR PRESSURES SWITCH CB 24 VAC CIRCUIT BREAKER 1 4 SUMP HEATER F1 AND F2 COMPRESSOR AUTOMATIC SWITCH F3 AUTOMATIC SWITCH INDOOR FAN F4 AND F5 AUTOMATIC SWITCH OUTDOOR FANS F6 220 VAC AUTOMATIC SWITCH FS1 AND FS2 LOW TEMP SWITCH EVAPORATING UNIT GS GAS PRESSURE SWITCH GV1 2 GAS VALVES HP1 AND HP2 HIGH PRESSURE CONTROL IC1 GAS CONTROL KM1 AND KM2 COMPRESSOR CONTACTS KM3 INDOOR FAN CONTACT LP1 AND LP2 LOW PRESSURE CONTROL LS1 MANUAL RESET TEMPERATURE LIMIT LS2 AUTO RESET TEMPERATURE LIMIT M8 SMOKE EXTRACTION MOTOR OR OCCUPIED RELAY P5 S5 P12 S12 ECONOMISER CONNECTOR P6 S6 RELAY BOARD 24 VAC CONNECTOR P9 S9 COMPRESSOR SAFETY CONNECTOR PE GROUNDING TERMINAL Q1 MAIN SWITCH RS GAS TEMPERATURE THERMOSTAT RW1 AND RW2 HEAT RELAY TDR DELAY RELAY X1 POWER CONNECTING STRIP X2 24 VAC CONNECTING STRIP X3 GAS CONNECTING STRIP 1 2078 4 4 of 4 D3IG90N 16550 D3IG120N20050 D3IG150N20050 091 pue 051 060
6. RR 950 173 0 8 1 0 116 0 9 1 1 46 1 1 1 2 3 E z 1 005 211 0 9 1 1 154 1 0 1 2 84 1 1 1 3 5 a 1 060 253 1 0 1 1 196 1 1 1 3 126 1 2 1 4 43 1 4 1 6 1 120 305 1 0 1 2 248 1 2 1 4 178 159 1 6 95 1 5 1 8 5 1175 357 1 1 1 4 300 1 3 1 5 230 1 4 1 7 148 1 6 1 9 3 3 5 1 230 415 1 2 1 5 358 1 4 1 7 288 1 6 1 9 Application of side ducts Flow Fan 2 250 CFM 2 625 CFM 3 000 3 375 3 750 er Power Absorbed Power Power Absorbed Power Absorbed p s Power Absorbed io ME wo SY RECON AE o SY 950 0 8 1 1 1 0 0 6 1 3 1 1 0 3 1 4 122 z 1 005 0 9 1 2 1 1 0 7 1 3 1 2 0 5 1 5 1 3 0 2 1 7 1 5 gt 1 060 1 1 1 3 1 1 0 9 1 5 1 3 0 6 1 6 1 4 0 3 1 8 1 6 1 120 1 3 1 4 1 2 1 1 1 6 1 4 0 8 1 8 1 6 0 6 2 0 1 8 0 2 2 3 2 0 1 175 1 5 1 5 1 4 1 3 1 7 1 5 1 1 1 9 1 7 0 8 2 2 1 9 1 230 1 7 1 7 1 5 1 5 1 9 1 7 1 3 2 1 1 9 2 3 Application of ducts with downward discharge CFM Flow Ad d 2 250 CFM 2 625 CFM 3 000 CFM 3 375 CFM 3 750 CFM MESE ESP Me ESP a SSP copy eames ESP iwg 9 ww 0 Bb kw 9 kw W9 kW 950 0 7 1 1 1 0 0 5 1 3 1 1 0 2 1 4 1 2 1 005 0 8 1 2 1 1 0 6 1 3 1 2 0 3 1 5 1 3 z 2 amp 2 1060 1 0 1 3 1 1 0 8 1 5 1 3 0 5 1 6 1 4 0 2 1 8 1 6 1 1
7. COOL ONLY Low refrigerant load COOL ONLY Dirty indoor coil surfaces due to dirty or non existing filters Outdoor coil dirty due to dust leaves etc COOL ONLY A motor compressor of one of the compres Sors in tandem only in units with a certain capacity may be failing and thus operates at low power Check resist ance of the windings and power consumption of each motor separately Defective economiser assembly i Damper assembly and or activating mechanism loose or stuck avoiding complete movement ii Damper motor inoperative To check motor operation remove the screw withdraw the logic module of the damper motor and carry out the following steps a Make sure the interior spring takes the motor to a completely closed position that is to say the outdoor air dampers should be completely closed andthe return air dampers open b Apply 24 VAC to terminals TR and TR1 Connect terminals T and T1 by means of a jumper The damper motor should advance to the totally open position Remove the jumper between terminals T and T1 The damper motor should advance to the totally closed position Now place a jumper between terminals P and P1 The damper motor should advance to the totally open position Replace the damper motor if it does not surpass any of these tests Defective logic module To check it remove power supply and jumpers and reinstall the logic module inthe damper motor Models with Single Enthalpy Di
8. PLACE Sabadell SIGNATURES QUALITY CONTROL MANAGER
9. A One or more phases open Check the automatic switch and power supply B No 24 VAC control power Reset the 24 VAC automatic switch CB if it has gone off Check control transformer 1T C No 220 240 V power supply reaching transformer 1T be cause fuse F6 is open D Overload relay is open due to excessive intensity E Overload relay is open and cannot be reset Replace re lay F Defective connection at KM3 contact coil or failure of this coil Repair or replace 28 GB COOLING MODE Contacts K5 1 of relay board are open H Replace the relay board HEATING MODE Timed relay contacts TDR open Check wiring If voltage is present at the TDR coil but the con tacts do not close after the delay time replace TDR HEATING MODE Timed relay contacts TDR closed re lay K5 activated but contacts K5 2 of relay board are open Replace the relay board SEC 5 No heating presence of impulse air ignition con trol locked out Make sure there is 230 VAC tension between terminals ST 3 and ST 4 so as to determine lock out curve IC1 A No flame detected Check the ignition electrode the igni tion transformer and the flame detector Check grounding of unit ignition control and ignition transformer Make sure the fuel is being liberated by the gas valve This can also mean that the ignition and the flame were correct but then failed perhaps due to a change in the shape or characteristics of the flam
10. RS Burner Heat Switch or AS Air Pressure Switch features the control does not unlock until the feature activated is re established In the case of a lock out due to a lack of flame detection the IC1 control generates an alarm signal to terminals ST 3 and ST 4 a tension of 230 VAC ap pears To unlock IC1 press the MR manual reset button lo cated on the outside of the unit The IC1 will not reset in the case of a power shortage or restriction and it cannot be reset from the ambient thermostat Should the Manual Reset Heat Switch LS1 open LS2 has a lower set point and normally should open first the Ignition Control will not operate until LS1 is reset manually 1 can be accessed through the im pulse air access panel for installations of the downward flow type or through the cover located on the dividing wall of the condenser compartment for installations with side ducts Low pressure of gas If the gas supply pressure drops below the set point of the gas pressure switch GS the electric power supply to the Ignition Control is interrupted and this unit becomes inoperative The boiler will reset automatically once the gas supply pressure surpasses the pressure switch set point and the ignition sequence will begin once again See Table 10 for gas valve and heat switch adjustments Motor overload protection All motors of the sealed com pressors fan motors and burner fan motors are protected against overloads by means of an
11. Sunline 2000 packaged air conditioners with gas heating Models 090 120 and 150 Euro 50 Hz a YORK Operating Instructions ACCORDING TO ISO 9001 STANDARDS AENOR EX Empresa Registrada AENOR Gesti n Ambiental ER 028 1 91 ACCORDING TO ISO 14001 STANDARDS CGM 97 013 Ref Y R24974 1001M Index Page General description 5 Nomenclature 5 General information 5 Environmental protection 5 Warning signs 5 6 Inspection 6 Standards 6 Installation 6 Limits 6 Table 1 Unit application data 6 Location 6 7 Installation and use 7 Ducts 7 8 Safety fixed outdoor air intake barometric damper assembly optional accessory 8 Condensed water drain 8 Compressors 8 Filters 8 Table 2 Application data witch gas heating 8 Combustion discharge 8 Gas pipes 8 Gas connection 9 Ventilation and combustion air hoods 9 GLP propane gas units tanks and pipes 9 10 Power and control wiring 10 Thermostat 10 Unit control wiring 10 Typical site wiring 10 Unit wiring diagram 090 and 120 11 14 Servicing access 15 Optional economiser rain hood 15 Enthalpy set point adjustment 15 16 Dimensions and clearances D IG090 120 and 150 17 Clearances supply entry diamenters and duct cover extraction 18 Table 3 Physical data 18 Table 4 Wiring specifications 19 Table 5 Impulse air fan performances Mod D IG09
12. R to G connected turn the minimum position adjusting screw counter clockwise until the desired minimum set ting is reached 7 Replace the access panel on the filter section 15 Economiser rain hood assembly optional LATCH WITH GASKET 120 and 159 SIDE RETURN AIR HOOD COVER DUCT OPENING OUTDOOR AIR OPENING IMPULSE AIR DUCT SIDE OPENING ACCESS PANEL TO FILTER GUIDE ANGLE FILTER SECTION LEFT SIDE PANEL GASKETS left and right side panels FILTERS LATCH WITH GASKETS 2 RIGHT SIDE PANEL CENTRAL GASKET on FILTER both sides BOTTOM FILTER SUPPORT SUPPORT ATTENTION Use airtight washers on all screws Fig 10 Adjustment of enthalpy set point 295 32 35 38 405 43 5 85 90 95 100 105 110 ae Sy gt POINT OF CONTROL Sa CONTROL APPROX ADJUST CURVE AT 50 R H id NW A 2 7 26 5 z 80 B 21 70 7 Sy RELATIVE 19 67 HUMIDITY D 17 63 E bd lt 24 AV 75 ES amp 9 3e SS amp O gt 21 lt 0g 70 8 RAN 9 A OP Y 58 4 D 18 5 8 EP 65 4 Qe lt E 9 2 A R SS ws 13 B 55 PNAN 55 gt 10 de KP 50 7 UV 45 D 45 40 1 5 5 35 awe A prc 15 45 Y 10 13 155 185 21 24 265 295 32 35 38 405 35 40 45 50 55
13. 253 3 2 3 9 179 3 8 4 5 Application of side ducts Flow ras 3 810 CFM 4 450 CFM 5 090 CFM 5 725 CFM 6 360 CFM RPM esp sten esp Poner asotea esp Poner stel Powe estes wg db kw wa kw 09 HP kw 0 HP kw 0 kW 960 1 1 2 0 1 8 0 7 2 3 2 1 0 4 2 8 2 5 0 1 3 5 3 1 1000 13 2 2 2 0 0 9 2 5 23 0 6 3 1 27 0 3 37 3 3 1040 15 2 4 2 2 1 1 2 8 2 5 0 8 3 3 3 0 0 5 4 0 3 6 0 2 4 9 4 4 1080 17 27 2 4 1 3 3 1 2 8 1 0 3 7 3 3 0 7 4 4 3 9 0 4 5 2 4 7 1120 1 9 3 0 27 1 5 3 4 3 0 1 2 4 0 3 6 0 9 47 4 2 0 6 5 6 5 0 1160 2 1 3 3 3 0 1 7 37 3 3 1 4 4 3 3 9 1 1 5 1 4 5 Application of ducts with downward discharge CFM Flow d 3 810 CFM 4 450 CFM 5 090 CFM 5 725 CFM 6 360 CFM PM esip Pong Nested Boner ep Powe roter esp ones Ait esp wg HP kw 0 HP kW 9 HP kw Gwg HP kW 0 kW 960 0 9 2 0 18 04 2 8 2 1 1000 1 1 2 2 2 0 0 6 2 5 2 8 0 2 8 1 2 7 1040 1 3 2 4 2 2 0 8 2 8 2 5 0 4 3 3 3 0 0 1 4 0 3 6 1080 1 5 27 2 4 1 0 3 1 2 8 0 6 37 3 3 0 3 4 4 3 9 1120 17 3 0 2 7 1 2 3 4 3 0 0 8 4 0 3 6 0 5 47 4 2 0 2 5 6 5 0 1160 1 9 3 8 3 0 1 4 3 7 3 3 1 0 4 3 3 9 0 7 5 1 4 5 2 See Table 8 for the resistance of unit accessories E S P External Static Pressure
14. 5 2 3 0 5 2 8 2 6 1025 17 1 9 1 8 1 5 2 2 2 0 1 3 2 4 2 2 1 0 2 7 2 5 0 7 3 1 2 8 1070 1 9 2 1 1 9 1 7 2 3 2 1 1 5 2 6 2 4 1 3 2 9 2 7 0 9 3 3 3 0 1120 24 2 2 2 0 1 9 2 5 2 3 1 7 2 8 2 6 1 5 3 2 2 9 Application of ducts with downward discharge Flow Fan 4 3 000 3 500 4 000 4 500 5 000 PM esp poner Poner Powe asotea ep Poner Poner wg WP kw 0 HP kw wo kw wo HP kw Gwo kW 880 1 0 1 5 1 3 0 7 1 7 1 5 0 5 1 9 1 7 0 1 2 1 2 0 s 930 1 2 1 6 1 5 1 0 1 8 1 7 0 7 2 1 1 9 0 3 2 3 2 1 975 1 4 1 7 1 6 1 1 2 0 1 8 0 9 2 2 2 1 0 5 2 5 2 3 0 1 2 8 2 6 1025 1 6 1 9 1 8 1 4 2 2 2 0 1 1 2 4 2 2 0 7 27 2 5 0 4 3 1 2 8 1070 18 2 1 1 9 1 5 2 3 2 1 1 3 2 6 2 4 1 0 2 9 27 0 6 3 3 3 0 1120 2 0 2 2 2 0 1 8 2 5 2 3 1 5 2 8 2 6 1 2 3 2 2 9 NOTES 1 The fan performances comprise a wet evaporating coil standard filters and heat exchangers 20 2 See Table 8 for the resistance of unit accessories E S P External Static Pressure available for the impulse and return air duct system All interior resistances of the unit have been subtracted from the total static pressure of the fan Table 7 Impulse air fan performances Mod D IG150 Application of side ducts 13 6
15. 60 65 70 75 80 85 90 95 100 105 DRY BULB TEMPERATURE APPROX C F Fig 11 16 Dimensions and clearances D IG090 120 and 150 COMBUSTION GAS OUTLET ACCESS ACCESS TO HOOD COMPRESSOR FAN See detail X 1 SWITCH LOCATION A CONTROL GAS RESET WIRING INLET See detail Y CONDENSING COIL 855 DIG 090 1007 COMBUSTION AIR INTAKE DIG 120 HOOD 1210 DIG 150 FILTERS O ACCESS TO FILTERS GAS HEATING C CONDENSED WATER E KE DEN FRONT VIEW DRAIN FEMALE BSP S00 CONNECTION 3 4 See detail Y for location CCMTBOLBOX B POWER LINE INTAKE See detail Y i IMPULSE AND RETURN AIR BOTTOM OPENINGS 90 DETAIL OF BASE SPACER FOR GREATER CLARITY NOTE For units installed on a mounting base see dimensions of duct hooks of the base for correct sizing of impulse and return air duct connection EVAPORATING COIL See page 18 for the diameter of service connection intakes clearances and low to remove the duct cover ACCESS TO COMPRESSOR 67 CONDENSING COIL 102 REAR VIEW ECONOMISER RAIN HOOD ACCESSORIES FIXED OUTDOOR AIR HOOD Impulse and return air side openings DETAIL X B POWER A WIRING RETURN AIR INTAKE 30 590 CONDENSED D WATER DRAIN 3 4 WY Must form a siphon B2 IMPULSE AIR 243
16. adhesive label on the outside so as to avoid any humidity within the unit which would cause damage to the electric components Leave this seal in place until the combustion air hood is installed see Fig 5 See Table 3 on the weights of the equipment and Fig 2 on the approximate centre of gravity Centre of gravity APPROX OUTDOOR COIL END CENTRE OF GRAVITY REAR FRONT Unit capacit Dimensions mm pacity A B 090 845 1 207 120 826 1187 150 826 1143 Fig 2 Ducts A network of closed return ducts should be used This does not exclude the use of economisers or outdoor air intakes The impulse and return air connections should be made with flexible gaskets so as to minimise noise levels The impulse and return air duct networks should be designed in accordance with the air flow requirements on site They should not be sized to equal the dimensions of the connec tions of the ducts of the unit CAUTION When fastening the ducts to the side flanges of the equipment insert the screws only through the duct flanges Do not insert the screws through the casing The external ducts should be insulated and waterproofed 7 Fig 12 for details concerning the side and bottom open ings for the impulse and return air ducts Safety fixed outdoor air intake barometric damper assembly optional accessory It acts as a safety barometric damper on u
17. and a differential should be installed on site for the unit This switch should be independent of all other circuits Should any of the cables supplied with the unit need replacement the replacement cable should be of the type shown on the wiring diagram See Table 4 for wiring specifica tions The power supply line should be adequately sized for the load Use only copper wires Each one of the units should be connected to an independent circuit with an automatic switch and a differential supplied directly from the main panel CAUTION When connecting the power supply and control wiring to the unit waterproof type wires should be used so as to avoid water or humidity getting into the unit during normal operation These water proof conditions also apply when a switch is installed on site See Fig 8 for typical wiring on site and Fig 9 for unit wiring diagram and information on the control circuit and power wir ing Thermostat The ambient thermostat should be located on an inner wall at about 1420 mm above floor level where it will not be ex posed to air flows direct sunlight or heat from other electric devices For general installation follow the instructions sup plied by the manufacturers To connect the thermostat to the unit eight colour coded 1 mm wires should be used Unit control wiring The following notes and indications pertain to the unit wiring diagram shown in Fig 9 NOTES 1 All site wir
18. available for the impulse and return air duct system All interior resistances of the unit have been subtracted from the total static pressure of the fan NOTES 1 The fan performances comprise a wet evaporating coil standard filters and heat exchangers 21 Table 8 Economiser static resistance External static pressure drop Resistance Pa inch each Description m s CFM 0 94 2 000 1 41 3 000 1 89 4 000 2 36 5 000 2 83 6 000 Economiser 5 0 0 02 5 0 0 02 7 5 0 03 12 5 0 05 17 4 0 07 Subtract these resistance values from the external static pressure available indicated shown in the Fan Performance Table Table 9 Fan motor and drive specifications Fan Motor Adjustable motor pulley Fixed fan pulley Belt DR Pri shaft Pri shaft Pri RPM rim sha rim sha rim m kW mm inim mm lenght Denomination Quantity 090 950 1 230 1 5 86 112 24 132 25 1 240 47 1 120 880 1 120 2 2 86 112 24 132 25 1 360 52 1 150 960 1 160 4 125 150 28 188 25 1 540 59 1 1 All motors are of the totally enclosed type fan cooled at 1450 rpm with a solid base and a service factor of 1 15 Do not close this pulley below the minimum number of turns See Table 11 for limitations Operation Cooling system The cooling system is a complete factory mounted assembly that uses an air cooled condenser The syst
19. both from a cost as well as a perform ance point of view 3 The pressure drop in the lines between the regulators and between the second phase regulator and the unit The di ameter of the pipes will depend upon the length of same and the total load of all units Complete information on the sizing of evaporating tanks ad justments recommended for the regulator and pipe sizing can be obtained from the corresponding manufacturers and the GLP propane gas suppliers 9 WARNING Natural gas may contain a small amount of propane Due to the fact that propane is an excellent solvent it would quickly dissolve the lead carbon or the majority of normal commercial type components There fore a special sealing putty should be applied when wrought iron or steel pipes are used Putties that comply with Standard BS6956 Part 5 or equivalent may be used After final installation of pipes check for leaks at the joints with a soap solution Never use an open flame Power and control wiring Site wiring and grounding of the unit should be carried out in compliance with national local and city regulations The volt age tolerances to be maintained at the compressor terminals during start up and operation appear on the Identification Plate and in Table 1 The inner wiring hose supplied with the unit is an integral part of same No variation should be necessary for compliance with electrical regulations An automatic switch
20. deflection pressure values should be within maximum and minimum 5 After this tensing operation retighten nuts A Fig 18 Insure owner approval Once the system is operating correctly insure the approval of the owner Show him the location of all switches and the thermostat Show him how to start and stop the unit as well as how to adjust the temperature within the limits of the system 26 Maintenance Normal maintenance CAUTION Before carrying out any of the following operations disconnect all electric power supply to the unit so as to avoid personal damage Normally periodical maintenance comprises changing or cleaning filters and in certain cases cleaning the main burn ers FILTERS Check them once a month Replace the non reus able or clean the permanent filters as required DO NOT re place the permanent type with non reusable types The di mensions of the replaced filter should be the same as the original MOTORS The indoor and outdoor fan motors have perma nent lubrication and do not require maintenance OUTDOOR COIL Dirt should not accumulate on the surface of the outdoor coil or on other parts of the air circuit It should be cleaned as frequently as required to keep the coil clean Use a brush vacuum cleaner or any other appropriate means If water is used to clean the coil make sure the power supply is disconnected before cleaning NOTE When cleaning the co
21. enthalpy or return air Signal Y1 from the thermostat will go through contact K1 2 of the relay to activate the Economiser Damper Motor assembly Contact K1 1 of the relay remains open avoiding compressor operation The Damper Motor modulates through the Discharge Air Sensor DAS mixing the cold out door air the warm return air so as to reach the selected tem perature of the impulse air REQUEST FOR COOLING Y2 If the thermostat is not satis fied by the operation of the economiser from Signal Y1 and the temperature continues to rise Signal Y2 from the thermo stat goes through contact K2 2 of the relay to terminal P6 8 of the Relay Board activating the circuit of Compressor No 1 as described above Occupation relay OR If the Occupied Switch is installed in 22 GB the thermostat and is to Occupied mechanical cooling will be produced compressor as described above depend ing upon the operating mode of the thermostat and the econo miser If the Occupied Switch is set to Unoccupied the econo miser can operate as described above but mechanical cool ing cannot be produced This device allows free cooling by the economiser of the unoccupied and air conditioned space but avoids the expense of the mechanical cooling of that un occupied space Heating operation sequence REQUEST FOR HEATING W1 Signal W1 from the thermo stat activates Heat Relay RW1 and Timer Relay TDR The Heat Relay RW1 contact closes a
22. regulations on selective collection of residual material Elimination of the unit Upon disassembly after a long service life the components of the unit should be recuperated ecologically The cooling circuit contains R 22 or R 407C refrigerant which should be recuperated and then returned to the gas manufacturer for recycling Oil will remain in the sealed compressor and therefore must be returned with its circuit sealed The air conditioning unit will be deposited in an area deter mined by the local authorities for its selective recuperation Warning signs The following signs indicate the existence of potentially dan gerous conditions for users or servicing personnel Whenever found on the unit itself take into account their meaning This symbol indicates an electrical danger or risk Attention The unit is equipped with remote control and can run automatically Two min utes prior to having access to the interior disconnect the power supply so as to avoid any contact with the fan in motion Attention It is obligatory to read the instruc tions prior to any handling Attention Fan in operation Attention Do not touch hot surfaces Attention Lifting point OPP OP Inspection As soon as the unit is received it should be inspected for damage during transportation If any damage is observed it should be noted on the delivery slip A separate inspection by a transport com
23. section is in operation check the following 1 Make sure there are no gas leaks at the unit or supply pipes 2 Make sure that the gas pressures in the manifold are cor rect See Checking Gas Intake 3 Check the gas supply pressure It should be within the limits that appear on the Identification Plate The supply pressure should be checked with all gas equipment in the building operating at full power In no case should the pres sure of the auxiliary gas line surpass 25 mbar 10 each nor should the operating pressure drop below 12 5 mbar 5 each on natural gas equipment If the gas pressure is not within these limits contact the local gas company so that the corresponding corrective measures may be taken Gas pressure adjustment in the manifold This equipment is dispatched from the factory prepared for natural gas of the 2ND H family G 20 When adjustment is needed depending upon the type of gas used this can be done by means of the adjusting screws of the gas valve Fig 14 in accordance with the following se quence Set to the values given in Table 10 Note For equipment converted to propane gas LPG the gas valve should be adjusted in accordance with the technical information included in the conversion kit Set the interior pilot A to maximum value 2 Turn the Quick Partial Opening Regulation flywheel B one complete turn backwards 3 With the second phase in operation loosen t
24. so as to achieve a temperature increase within the indicated limits Combustion discharge The combustion products are discharged horizontally through an opening with a hood protected by a grill and located at the upper access panel of the gas heating Gas pipes The correct sizing of the gas pipes depends upon the flow required specific gravity of the gas and the length of the pipes The regulations of the local gas company must be complied with when determining the diameter of the pipes The heating value of the gas may vary from city to city This value should be check with the local gas supplier company NOTE There could be a regulation of the local gas company with regard to the minimum diameter of gas pipes i Gas connection The gas supply pipes can be channelled through the hole located at the front of the unit See Fig 12 for the location of these access openings Fig 6 shows the usual position of the supply pipes The fan compartment contains a wall through ring for all units with gas heating and should be placed in the access panel when the gas pipes are inserted through the front of the unit Recommendations on gas pipes 1 Acondensed water supplement and grounding should be installed on the gas pipes 2 If so specified by local regulations it may be necessary to install a manual shut off valve on the outside of the unit 3 Use wrought iron or steel pipes for all gas li
25. 0 19 Page Table 6 Impulse air fan performances Mod D IG120 20 Table 7 Impulse air fan performances Mod D IG150 21 Table 8 Economiser static resistance 22 Table 9 Fan motor and drive specifications 22 Operation 22 Cooling system 22 Preliminary cooling operation 22 Thermostat operation 22 Cooling operation sequence 22 23 Heating operation sequence 23 Safety features and controls 23 24 Table 10 Gas valve heat switch adjustment 23 Check list prior to start up 24 Start up 24 Operating instructions 24 Check list after start up gas 24 Gas pressure adjustment in the manifold 24 25 Burner instructions 25 Checking air flow 25 Table 11 Impulse air fan motor pulley adjustment 25 26 Temperature increase adjustment 26 Pressure drop in dry indoor coil vs impulse air flow 26 Maintenance 27 Normal maintenance 27 Cleaning of smoke stacks and heating elements 27 Trouble shooting 28 General information 28 Probable causes and suggested corrective measures 28 Trouble shooting diagram 28 30 3 General description Nomenclature Productcategory D Pckaged air conditioner air cooled Product generation 3 3rd generation Productidentification IG International cooling with gas heating Nominal cooling capacity 090 90 MBH 26 4 kW 120 120 MBH 35 2 KW 150 150 MBH 44 0 kW Heating installed and type of refrigeran
26. 170 I P8 P4 b 6 7 M5 X3 5 COMPRESSOR AXIAL COMPRESSOR COMPRESSOR AXIAL CENTRIFUGAL B un 5 FAN 1 4 3 FAN 2 FAN 8 g P 55 5 2 DE 13 5825 2 EN 22 22 93 m TE o 79 CU 2 1 2078 2 2 of 4 0316150320050 51 6 big 14 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 RELAY BOARD A1 WHEN THE ECONOMISER 15 FACTORY INSTALLED THIS CONTACT IS NOT USED 812 1 2078 3 of 4 D3IG90N16550 0316120320050 0319150420050 091 021 060 vi 6 Du AMBIENT THERMOSTAT DSL 700 CONTROL PANEL 2 102 v2 Y1 REMOTE SENSOR RS1 RS2 5 ECONOMISER SECTION OPTIONAL xe 6 9 wer 8 SENSOR 1 2 1 1 24 V DAMPER MODULATOR 0 V MINIMUM POSITION BROWN DEFROST BROWN
27. 20 1 2 1 4 1 2 1 0 1 6 1 4 0 7 1 8 1 6 0 4 2 0 1 8 2 1175 1 4 1 5 1 4 1 2 1 7 1 5 0 9 1 9 1 7 0 6 2 2 1 9 1 230 1 7 1 7 1 5 1 4 1 9 1 7 1 2 2 1 1 9 gt from the total static pressure of the fan NOTES 1 The fan performances comprise a wet evaporating coil standard filters and heat exchangers 2 See Table 8 for the resistance of unit accessories E S P External Static Pressure available for the impulse and return air duct system All interior resistances of the unit have been subtracted 19 Table 6 Impulse air fan performances Mod D IG120 Application of side ducts m s Flow BU 1 42 m s 1 65 m3 s 1 89 m s 2 12 2 5 2 36 m s PM rr Antes Powe tet Pov kw kw kW kW Pa kW kW Pa kW kW 880 283 1 1 1 3 231 1 2 1 5 176 1 4 1 7 102 1 6 2 0 20 1 8 2 2 930 332 1 2 1 5 282 1 4 1 7 228 1 5 1 9 156 1 7 2 1 76 1 9 2 4 975 377 1 3 1 6 329 1 5 1 8 276 1 7 2 1 206 1 9 2 3 127 24 2 6 1025 429 1 4 1 8 381 1 6 2 0 330 1 8 22
28. 261 2 0 2 5 184 23 2 8 1070 475 1 5 1 9 429 1 7 2 1 380 2 0 24 312 2 2 2 7 236 24 3 0 1120 528 1 7 2 0 484 1 9 2 3 436 2 1 26 370 2 4 2 9 Application of ducts with downward discharge m s Flow Fan 1 42 m s 1 65 3 5 1 89 m s 2 12 m3 s 2 36 m s HOM Power Absorbed Power Absorboed Power Absorbed Power Absorbed Power supply power supply power supply power supply power supply power cw aw cw P9 kw kW 880 250 1 1 1 3 186 1 2 1 5 118 1 4 1 7 27 1 6 2 0 930 300 1 2 15 237 14 1 7 171 1 5 1 9 82 1 7 2 1 975 345 1 3 16 284 1 5 1 8 219 1 7 2 1 131 1 9 2 3 37 2 1 2 6 1025 396 1 4 1 8 336 1 6 2 0 273 1 8 2 2 187 2 0 2 5 94 2 3 2 8 1070 443 1 5 1 9 385 1 7 2 1 323 2 0 2 4 238 2 2 2 7 147 2 4 3 0 1120 496 1 7 20 439 1 9 2 3 379 2 1 26 295 2 4 2 9 Application of side ducts Flow Fan 3 000 3 500 4 000 4 500 5 000 CFM PM esp Poner estet esp Poner Power Powe rotes so stes wo HP kw wo HP kw wo HP kw wo HP kw 0 kW 880 1 1 1 5 1 3 0 9 1 7 1 5 0 7 1 9 1 7 0 4 2 1 2 0 0 1 2 4 2 2 930 1 3 1 6 1 5 1 1 1 8 1 7 0 9 2 1 1 9 0 6 2 3 2 1 0 3 2 6 2 4 975 1 5 1 7 1 6 1 3 2 0 1 8 1 1 2 2 2 1 0 8 2
29. Should components need be added to the equipment so as to comply with local standards these should be installed at the expense of the distributor and or the client Table 1 Unit application data Voltage variation Min Max V 360 456 WB air temperature in the TERR evaporating coil Min Max 57 72 DB air temperature in the E 182 condensing coil Min 45 125 Location Use the following guidelines to select an adequate location for these units 1 This equipment is designed for outdoor installation only 2 The condenser requires an unlimited air supply Whenever possible locate the equipment on the north or east side of the building 3 For ground level installations use a level concrete slab of atleast 100 mm thick The length and width should be at least 150 mm more than the base beams of the units Do not fasten the bedframe to the foundation of the building 4 Forroof top assembly the roof structure should be able to support the weight of the equipment its options and or accessories The equipment should be installed on a mount ing base or on an adequate frame of iron angles an op tional Mounting Base or Roof Curb accessory is avail able CAUTION If this equipment is to be installed on a mounting base or a special angle frame that is not the standard mounting base gaskets should be placed on all surfaces in contact with the lower part
30. TERNATE DAY NIGHT SET POINT POWER WIRING Lib LE SEE WIRING SPECIFICATIONS TABLE FOR POWER SUPPLY CABLE AND SWITCH SIZING CONNECTIONS FOR POWER SUPPY Tee GROUNDING TERMINAL CONFIGURATION OF SWITCHES DSL 700 OFF ON 4 MINUTES MIN ON OFF UNBLOCKED KEYBOARD IMMEDIATE FAN WITH 1 STAGE HEATING 1 STAGE LED 1 OFF ICON 2 MINUTES MIN ON OFF BLOCKED KEYBOARD LED 1 FILTER ICON 1 2 3 4 2 STAGES 5 6 LED 2 ALARM ICON LED 2 OFF ICON Fig 8 10 Unit wiring diagram 090 and 120 01 400V 3 50 Hz L1 L2 L3 N XI o o 9 amp l e 4 2 352 z mem 2 X 360 9 175 357 347 ia A o 371 BLUE lt gt y IGNITION 1 EEE 153 7 152 m 8 lt 150 149 173 172 148 7 147 GAS VALVE e a oO 9 2 ES RN 168 3 5 159 o oo SMOKE M m EXTRACTOR A a FLAME SENSOR 1 Q0 4 2 9 135 165 7186 71676 136 Ore 4 eo 1 a
31. a continuous strip on both sides of the central filter support On the top latch of the bottom filter support on the surface facing the unit Onthe hood cover flange models 120 and 150 This flange does not require gaskets on model 090 b Fasten two filter guide angles to the inner surface of each side panel using 3 screws for each angle Ob serve the position of the holes in the angles for appro priate location when proceeding to fasten them to the side panels Tighten the screws c Fasten the two side panels to the central filter support using 4 screws on each side Do nottighten the screws d Fasten the bottom filter support between the side panels using 2 screws on both sides Do nottighten the Screws e Fasten the hood cover to the side panels using 3 Screws on both sides Do not tighten the screws f Place the hood assembly a flat surface to make sure all components fit properly and then tighten all screws 3 Fasten the hood assembly over the outdoor air opening located on the panel of the unit ducts as follows Model 090 The hood cover latch should slide under the top latch of the unit cover One screw should be removed from the unit cover latch and another screw should be loosened at the right corner of the unit cover latch to allow the grooved latch of the hood cover to fit into place Replace both screws and tighten Models 120 and 150 Fasten the hood flange to the duct panel with 3 screws Us
32. ature The external lock out alarm if in stalled is activated Reset thermostat lock out and check consequences If the unit locks out again call a techni cian CAUTION From a lock out position do no reset repeatedly since this could damage the unit B Inadequate connection at Contact KM1 KM2 coil or fail ure of this coil Repair or replace C Contacts K3 1 or K4 1 of the relay board are open when the relay is inoperative Replace relay board D No signal at relay board i Without economiser Defective economiser jumper or wiring ii With economiser a Economiser logic module or wiring defective b Thermostat set to unoccupied mode Defective occupied relay coil or contacts SEC 3 No cooling heating no presence of impulse air contacts closed A One or more phases open Check the automatic switch and power supply B Failure of contacts 3M Check voltage at charge side and replace contact if necessary C Loose or damaged wiring on line or charge side of con tacts Check wiring D Impulse air motor failure E Broken drive belt or loose drive pulley Check the drive and fan assemblies Trouble shooting diagram CONTACTS NO COOLING KM1 KM2 KM6 SEC 1 CLOSED SEC 2 SEC 3 SEC 4 NO HEATING SEC 5 SEC 6 Fig 20 SEC 4 No cooling heating no presence of impulse air contacts KM3 open
33. ck of impulse air supply causes other failures In cooling a loss of impulse air will lock out the compressor due to low temperature at the evaporating unit In heating a lack of impulse air supply will activate the heat switch Check and correct this lack of impulse air before trouble shooting CAUTION For Trouble Shooting it is normally necessary to have the power supply system in operation while components and operation are be ing evaluated Avoid live wires Check voltage by means of a voltme ter with insulated testers that are adequate for the voltage being tested Never take for granted that the circuits are inoperative Probable causes and suggested corrective measures If the unit is operative but does not satisfy the thermostat go directly to SEC 7 See Fig 20 for the Trouble shooting diagram SEC 1 Nocooling presence of impulse air contacts 1 2 closed A Compressor motor protection open Wait for protection to reset Automatic switch F1 F2 open Reset B One or more phases open Check power supply C Contacts of Contact KM1 KM2 damaged Check voltage on the charge side and replace the contact s if neces sary D Loose or damaged wiring on the line or charge side of the contacts Check cables E Compressor motor failure F Pressure drop SEC 2 Nocooling presence of impulse air contacts 1 KM2 open A Lock out due to high or low discharge pressure or low suction temper
34. ctivating the system of Ignition Control cir cuits After about 15 seconds the Timer Relay TDR contacts close activating the Fan Lock out Relay K5 on the relay board Contact K5 2 of relay K 5 closes activating contact KM3 of the Indoor Fan which in turn starts the indoor fan Contact K5 1 opens isolating contact of the Indoor Fan from the G signal of the thermostat If the gas supply pressure is above the set point of the Gas Pressure Switch GS the Ignition Control IC1 is activated and the ignition sequence begins See Fig 13 for typical gas valve pipes Gas valve pipes BY PASS VALVE adjustable t NT HA EE NE TUIS EE TO BURNER MANIFOLD GAS SUPPLY MAIN ELECTROVALVE MAIL REGULATOR TO IGNITION PILOT PIPE TWO STAGE REGULATING ELECTROVALVE Fig 13 Table 10 Gas valve heat switch adjustment IGNITION SEQUENCE Once contacts RW1 and GS have closed the Ignition Control makes sure the Air Pressure Switch AS contact is open In this case the burner fan motor is activated through terminal BF 3 of the IC1 and a 30 second prepurge sequence is begun If the AS contact has closed and the prepurge is finished terminal X3 of the IC1 activates the Ignition Transformer which gives a high frequency arc at the ignition electrode located in the burner on the left The main gas valve is activated at a low flow rate through terminal Y1 5 of the IC1 The burner on the
35. d sweep the inside of the heat exchangers from the entrance of the burner and the ends of the smoke discharges 6 Sweep the inside of the smoke stacks and the smoke deflectors 7 Passthe metal brush through the ventilation pipe down wards from the end of the smoke stack 8 Ifthe accumulation of soot is considerable remove the fan motor and clean the turbine and casing Pass the metal brush along the prolonged smoke ducts downwards at the ventilation outlet 9 Once brushing is concluded clean out with air or nitro gen If necessary use a vacuum cleaner 10 Reassemble all parts in the same order as disassembly following steps 1 to 4 11 When replacing the top of the smoke stack be sure not to tear the insulation next to it 12 Make sure all gaskets on the ventilation side of the com bustion system are airtight Apply high temperature seal ing putty 500 F 260 C wherever necessary GAS FLOW BURNERS lt lt CONNECTING PLUG TEFLON SUPPORT ELECTRODE Fig 19 27 Trouble shooting General information Before trouble shooting in depth first make sure the thermo stat is calling for Cool or Heat and that the power supply to the unit has not been interrupted by any automatic switch normal switch etc Make sure both the thermostat as well as the job site wiring operate correctly Normally a la
36. e a siphon so as to facili tate correct drainage See Fig 4 Piping recommended for drain UNIT CONDENSED WATER DRAIN CONNECTION o M BASE BEAMS 51 mm DRAIN PLUG Fig 4 Compressors These units are supplied with the supplied with the antivibratory supports factory adjusted and ready for use Do not loosen the screws of the antivibratory supports Filters All units are supplied with 50 mm filters 25 mm replacement filters may be used without having to modify the holders The filters should always be mounted before the evaporating coil and must be kept clean or be replaced by others of the same size and type Dirty filters limit the capacity of the unit and can cause freezing of the coils or a security lock out Table 3 shows the minimum filter surface and size required Table 2 Application data with gas heating Absorbed Given Gas Temperature increase power kW Model consump Min Max Nett kW P tion at full absorbed power Mbh m h cfm jm 53 5 183 47 5 163 090 4 3 151 17 33 30 60 64 2 220 57 196 120 5 4 190 17 33 30 60 64 2 220 57 196 150 5 4 190 11 28 20 50 NOTE Gas heaters are supplied for natural gas but can also be transformed to propane gas LPG by means of a conversion kit Based on nett absorbed power gas type 2 G20 9 97 kW m Air flow should be adjusted
37. e after the valve went into the second stage max open causing a failure in flame detection by the ignition control Check for prob lems in the gas supply The ignition control should be reset manually by pressing the manual reset button MR SEC 6 No heating presence of impulse air ignition con A trol not locked out Does not start because there is no tension at terminal IN 1 Make sure the indoor fan has started and contacts of KM3 and RW1 are closed Also make sure contacts LS1 and GS are closed Contacts RW1 of heating relay are open Check wiring and the coil Replace if necessary Failure of the RW2 heating relay contacts will allow the boiler to operate but only in first phase low power Check RW2 and operation of the second phase of the gas valve should the boiler not oper ate at full force The Gas Pressure Switch GS contacts are open Check wiring and operation of the switch Make sure GS is ad justed correctly in accordance with the type of gas being supplied to the unit If the gas line supply pressure is be low the GS set point contact the gas company so ad equate corrective measures may be taken The burner fan is off or permanently on Make sure the Air Pressure Switch AS the terminal LS2 switch or the heat switch RS contacts of the burner as sembly close after the purge starts Make sure the con tacts of LS2 and RS have continuity Check adequate operation of the burner fan m
38. e the holes in the hood cover latch as a pattern and drill three 3 5 mm holes in the duct panel On all units Fasten the hood side latches to the duct panel drilling six 3 5 mm holes in each side in the small depression A located on the duct panel Fasten the hood in place by using 6 screws and washers on each side 4 Insert two filters in the centre of the hood resting on the central filter support located at the back of the hood Push the filters against the guide angles located on the side panels and use 1 screw B on each side of the hood to hold them in place Insert two filters in the bottom support and follow the same procedure as for the central filters NOTE Install the filters so that the Air Flow arrows point upwards and towards the unit Enthalpy set point adjustment CAUTION Special care should be taken when turning the adjusting screws of both the set point and minimum position so as to avoid their removal 5 At this point the damper enthalpy set point be ad justed by selecting the desired position as shown in Fig 11 Adjust by carefully turning the set point adjustment screw to settings A B C or D that correspond to the curve with letters 6 To make sure that the blades of the damper move smoothly carefully turn the minimum position adjusting screw completely to the right clockwise and then con nect and disconnect terminals R to G With terminals
39. em is delivered loaded with refrigerant The compressors are sealed airtight and have internal shock absorbency The compressors also have intrinsic internal protection Should there be an unusual temperature increase in the com pressor the safety device will turn the compressor off Preliminary cooling operation Once installation is finished connect the sump heaters dur ing at least four hours prior to starting the unit up After this initial operation the compressors should undergo three false connections sufficient for a few rotations with a 5 7 minute delay between starts prior to full operation NOTE Before each cooling season the sump heaters should be connected at least 10 hours prior to starting the system Thermostat operation FAN SWITCH AUTO MODE If the fan switch is set to FAN the indoor fan is in continuous operation If the fan switch is set to AUTO the fan is activated by means of the thermo stat only while in cool or heat operation AUTO MODE If the thermostat is set to AUTO the unit operates both in the cooling as well as heating modes as required by the thermostat There is a differential of 1 be tween the cool and heat set points this value can be increased with the DSL 700 thermostat COOL HEAT If the thermostat is set to COOL the unit op erates in the cooling mode when the thermostat requires cool but does not operate in the heating mode If set to HEAT the unit op
40. erates in the heating mode when required but not in the cooling mode Cooling operation sequence Without economiser If the unit is not equipped with an Econo miser the P5 plug of the economiser wiring hose will be bridged in such a way that terminals P5 4 and P5 6 and P5 5 and P5 7 will be connected In this way upon the request for cooling Signal Y1 goes to terminal P6 8 of the Relay Board and Sig nal Y2 to terminal P6 5 also of the Relay Board REQUEST FOR COOLING Y1 Signal Y1 of the thermostat activates contactor KM1 of the compressor which in turn activates Compressor No 1 and the Outdoor Fan REQUEST FOR COOLING Y2 If the thermostat is not satis fied by signal Y1 and the temperature continues to rise Sig nal Y2 from the thermostat activates contactor KM2 of the compressor which in turn activates Compressor No 2 and the Outdoor Fan With economiser If the unit is equipped with an Economiser the request for Cooling will depend upon whether the enthalpy of the outdoor air a combination of temperature and humid ity is below the Logic Module set point of the Economiser model with single enthalpy or the enthalpy of the return air model with dual enthalpy If the enthalpy of the outdoor air is above for example hotter and or more humid the set point enthalpy or return air operation is as described above REQUEST FOR COOLING Y1 the outdoor air enthalpy is below for example cooler and or drier the set point
41. eration determine the tempera ture increase in the boiler Take a reading of both the return and hot air in the ducts at about 1 8 m from the boiler where this reading is not affected by radiant heat Increase the fan air flow so as to decrease the temperature decrease the fan air flow so as to increase the temperature See Table 9 for fan motor and data on operation of same Belt driven fan All units are equipped with single speed motors and belt drive for fans The variable fan motor pulley can be adjusted so as to obtain the desired impulse air flow Tensing belts should be carried out as shown in Fig 18 Tensing belts CAUTION Procedure for tensing belts 1 Loosen the four nuts upper and lower A 2 Turn to adjust B 3 Never loosen nuts C 4 With a belt tensing tester apply perpendicular pressure on the intermediate point of the belt as shown below This deflecting pressure should be applied until a correct 4 mm deflection dis tance is achieved To determine the deflection distance from normal position use a straight edge from pulley to pulley as a line of reference The recom mended deflection pressure is as shown below PRESS oer EC RE NEVER LOOSEN Iss Tense all new belts to the maximum deflection recommended Check belt tension at least twice during the first 24 hours of operation When ever the belts are retensed the
42. he Flow Regu lating Flywheel of the second flame C slightly and set said flywheel to its maximum opening Adjust the main regulator D in accordance with the tabulated value Re duce the Flow Regulation of the second flame C until that specific pressure is reached 4 With only the second phase in operation set the Flow Regulating flywheel of the first flame E at the specific pressure Tighten the Regulating Flywheel to fix the set tings permanently Close the little cover located on the main regulator 5 Using an extraction gas analyser check the content of CO1 CO2 and Nox if possible in the combustion gasses at the outlet of the smoke duct The carbon monoxide CO content should be less than 0 1 1000 ppm Make sure the 2 ratio is less than 0 02 24 lt Typical gas valve B QUICK PARTIAL OPENING D REGULATOR ADJUSTMENT Beneath the cap Beneath the cover REGULATING FLYWHEEL Loosen 2nd FLAME FLOW Q REGULATING FLYWHEEL E 1st FLAME FLOW REGULATING FLYWHEEL SO o A INTERNAL PILOT 2 Beneath the cap BRIDA CONEXION 5 9 Fig 14 Burner instructions To check the burners pilots or jets close the main manual valve and shut off all power supply to the unit 1 Remove the screws that hold the burner to its supports on both sides 2 Disconnect the gas supply line by loosening the connect ing flange at the gas valve in
43. i vated Contact K3 1 opens and keeps K3 active after con tacts HP1 LP1 or FS1 have closed again At the same time contact K3 2 closes activating terminal X of the Relay Board So as to create an external lock out signal Despite the fact that contact KM1 is connected in series to relay K3 the great pressure drop in high impedance relay K3 avoids the activa tion of KM1 The lock out is deleted from the thermostat elimi nating and re establishing Signal Y1 that is to say setting the thermostat to OFF and then to ON again The circuit system of Lock out Relay K4 of cooling circuit No 2 operates as per the description given for the previously mentioned circuit No 1 Heating lock out Should the Ignition Control IC1 be locked Capacity Gas valve adjustments Heat switch limits Boiler kW Mbh Type mbar inch each F model of gas Absorbed Absorbed Given Main Second First Automatic Manual Gross Nett regulator flame flame reset reset 2ND H 620 10 5 4 2 9 9 4 0 4 9 2 0 82 180 93 200 165 59 3 202 53 5 183 47 5 163 D G25 152 6 1 14 6 5 9 7 3 29 82 180 93 200 2ND H 20 10 5 4 2 9 9 4 0 4 9 2 0 82 180 93 200 No 200 71 2 242 642 220 57 196 625 152 61 14 6 59 7 3 29 82 180 93 200 Heating value 23 out due to the activation of any of the LS2 Automatic Reset Heat Switch
44. il be sure not to damage the fins of same Do not allow any structure or overhanging element to obstruct outdoor air discharge BURNER Regularly at least once a year at the beginning of each heating season visually check the flame of the main burner If necessary adjust the main burner until a yellow flame is no longer seen If the adequate flame cannot be achieved the burners may require cleaning TO CLEAN THE BURNERS Remove them from the boiler as described in Burner Instructions Clean the burners with hot water along the top of same When reassembling a burner make sure the electrode is at 2 or 3 mm See Fig 19 COMBUSTION AIR DISCHARGE Regularly visually check the discharge outlet to make sure there is no accumulation of soot and dirt If necessary clean to keep the combustion air discharge in adequate condition Cleaning of smoke stacks and heating elements With adequate combustion adjustment the heating element of a boiler hardly ever needs cleaning If the element has deposits of soot on it it can be cleaned as follows 1 Remove the burner assembly as described in Burner Instructions 2 Remove the cover over the gas heating section 3 Atthetopfrontofthe heating section remove the screws that fasten the top to the smoke stack Remove this up per part without tearing the insulation next to it 4 Inside the smoke stack remove the deflector inside the tubes 5 With a metal brush on flexible ro
45. ing should be carried out in compliance with all city and local standards and or regulations in force at the time of installing the unit 2 Should it be necessary to remove any cables supplied with the unit these should be replaced by cables of the HO5V K HO7V K or equivalent type and be numbered clearly for identification purposes 3 Remove jumper 608 if an occupation switch has been installed 4 Motors are intrinsically protected except for the indoor fan motor that has external protection This unit is wired for operation with a 415 V power supply See the Identification Plate for the maximum size of the automatic switch and the minimum power supply cable section 7 The timer for the KM 1 KM 2 contacts depends on the thermostat DSL 700 8 To invert the rotation of the indoor fan interchange wires 125 and 126 of the KM 3 connector oo Typical site wiring CONTROL WIRING COOLING HEATING ELECTRONIC THERMOSTAT 24VAC THERMOSTAT TERMINALS CONNECTING STRIP IE 24 VOLT TRANSFORMER 24 LED 1 TO REMOTE SENSOR SL IDS R IF USED 1 TERMINALS A1 AND A2 PRODUCE AN OUTLET RELAY TO CLOSE THE OUTDOOR ECONOMISER DAMPERS WHEN THE THERMOSTAT CHANGES TO THE ENERGY SAVING POSITION DSL 700 ELECTRONIC THERMOSTAT 3 PRESSURE SWITCH FAILURE INDICATION HP LP 4 DIRTY FILTER INDICATION IF DIRTY FILTER PRESSURE SWITCH IS USED 5 REMOTE CONTACT TO AL
46. internal heat cut off switch This protection will reset automatically once the motor has cooled down sufficiently Externally they are protected against short circuits and overloads by means of automatic switches F1 F2 F4 and F5 curve DIN VDE 0660 104 The indoor fan motor is protected by a motor guard adjusted to the maximum amperage of the fan motor In the case of an excessive power consumption in the three phases motor guard F3 opens interrupting the electric power supply to In door Fan Contact Check list prior to start up Check the following before starting the unit 1 Check the type of gas to be used Make sure it is of the same type shown on the Identification Plate of the unit 2 Make sure the gas and combustion air outlet hoods are installed correctly Start up Operating instructions CAUTION This boiler is equipped with an automatic ignition system Do not attempt to ignite it manually To ignite the main burners 1 Disconnect the power supply to the unit 2 the ambient thermostat to its lowest setting 3 Connect the power supply to the unit 4 Setthe ambient thermostat to the desired temperature If the temperature set on the thermostat is higher than the ambient temperature the burner will ignite To turn them off 1 Disconnect the power supply to the unit Check list after start up gas After having activated the entire control circuit and the heat ing
47. ive Enthalpy Sensor s To evaluate either one of the two sensors installa DC ammeter between terminal So or SR of the logic module and terminal S of the enthalpy sensor with the positive cable of the ammeter at the sensor terminal The output reading should be between and 25 milliamps depending upon the ambi ent temperature and humidity For reference values of the output reading with respect Point on the curve Sensor output mA 2mA A 12 14 16 18 module Set point Enthalpy Signal Action A Low Y1 The dampers modulate A Low Y2 Contact 1 is operative High Y1 Contact 1 is operative High Y2 Contact KM2 is operative to ambient conditions see curves A to D in Fig 11 If the output current value is out of limits replace the sensor s Ifthe damper motor logic module and enthalpy sensor operate correctly but the economiser assembly does not modulate the dampers sufficiently to generate an impulse air within the range of 50 and 56 F 10 to 13 C check the discharge air sensor resistance Sensor temp C F Min Max ohms 0 32 9 300 10 300 25 77 2 860 3 140 d Apply 24 VAC between terminals TR and TR1 and between terminals N and TR1 Remove cables from terminals Tand T1 Setthe enthalpy set pointto A The damper motor should advance to its minimum position Slightly readjust the minim
48. left ignites and assures that all burners ignite correctly If the flame detector of the ionisation electrode type located within the burner on the right does not supply an adequate current to terminal IE 10 of the IC1 within a 5 second interval the Ignition Control is locked out If ignition sequence is correct but the flame goes out after wards the Ignition Control tries to start again If no flame presence is detected at the end of the cycle the IC1 control is locked out Should the flame go out the Ignition Control is locked out Likewise if heat switches LS1 or LS2 open due to excessive temperature or if the heat switch of the Burner Assembly RS opens due to high temperature in the gas control compartment or if the Air Pressure Switch AS opens due to a lack of combustion air for example lock out or failure of the fan the unit is locked out Request for heat W2 If the thermostat is not satisfied by signal W1 and the temperature continues to drop contact RW2 of the Heat Relay closes activating the first second flame actuator of the gas valve which increases the pressure of the burner manifold to its maximum value thus making the boiler operate at maximum power Safety features and controls Cooling lock out If the High Pressure Control HP1 the Low Pressure Control LP1 or the Low Temperature Control of the Evaporating Unit FS1 open while the compressor is in operation Lock out Relay K3 of Compressor No 1 is act
49. mp zw 00 L 5 Ble Glo amp COMP SUMP LCCH 2 J HEATER 2 X bs ConA E COMP SUMP 1 _ lt 5 2285 l 8 lt S LZ 2 lt Z gt o 5z 55 uL bad oF oN 22 gt Iz gt m 42 i at z og lt lt uz nn E g 1 COMPRESSOR 1 2078 1 1 of 4 D3IG90N16550 D3IG120N20050 11 6 Du 02 03 04 05 06 07 12 34 5 6 7 8 9 10 11 12 13 400V 3 50 Hz N gt 1 1 1 0S1 1 1 1 1 1 X L1 L2 L3 N X1 L a EX IN SEE WIRING DATA TABLE FOR SIZING OF AUTOMATIC o 2 l Qi SWITCH AND POWER SUPPLY LINE SECTIO P4 e 5 i 6 4 3 1 54 1 F E20 1 Ls2 3 4 a oi LS e x oi 3 1 53 P8 1 351 4 7 5 18 38 2 o g P3 ES pa m 4 16 2 54 4 4 Or 2 54 8 23 Gar PASS is eee lg o 12 m S 58 BF PS Y2 BEA PS X3 ST 10 3 1 3 2 5 5 CLIO LE cel vi sr z n Om 58
50. n Turn the impulse air fan on Adjust resistances both in the impulse as well as return air systems so as to balance distri bution throughout the air conditioned space Due to the speci fications of the job site it may be necessary to have this balancing carried out by someone other than the unit installer To check the impulse air flow after initial balancing 1 There are two 9 5 mm ports for reading pressure before and after the evaporating coil They are located in the filter side and fan side access panels and are fitted with caps Fig 16 Remove both caps 2 Insert at least 200 mm of piping with a diameter of about 6 mm through each one of the ports in such a way that there is sufficient penetration in the air flow on both sides of the indoor coil NOTE The pipes should be inserted and kept in perpendicular to the air flow in such a way that the speed pressure does not affect the static pressure reading 3 Using an inclined pressure gauge determine the pressure drop in a dry indoor coil Since humidity can vary consid erably in an indoor coil to measure a pressure drop in a wet coil under job site conditions would not be precise To make sure the coil is dry the compressors should be disconnected during this test 4 Having the value of the pressure drop in a dry coil the real air flow through the unit can be determined by means of the curve appearing in Fig 17 WARNING Not being able to adju
51. nes The seal ing putty should be applied scarcely only on the male threads WARNING Natural gas may contain a small amount of propane Due to the fact that propane is an excellent solvent it would quickly dissolve the lead carbon or the majority of normal commercial type components There fore a special sealing putty should be applied when wrought iron or steel pipes are used Putties that comply with Standard BS6956 Part 5 or equivalent may be used 4 All dirt and burrs should be removed from the pipes by lightly tapping the pipe with a hammer and blowing them out Prior to the initial start up make sure all air has been drained from all external gas lines of the unit 5 Gas supply should be carried out by means of a separate line installed in compliance with all state local and city safety regulations Once the gas connections are finished open the main valve to normal gas pressure Make sure there are no leaks at joints by means of a soap solution or any other adequate method Never use an open flame 6 The boiler and its individual manual shut off valves should be disconnected from the gas supply pipe system during the pressure test of said system with test pressures over 0 5 psi 3 5 kPa External supply connection MAIN VALVE MANUAL CLOSING FOR CONDENSED WATER Fig 6 PIPE CONNECTION DIG 090 120 150 3 4 MODEL GAS CONNECTION FEMALE Ventila
52. nits with an econo miser or as a fixed outdoor air intake damper on units without an economiser On units with bottom return install the damper assembly over the opening on the side cover of the return air duct see Fig 3 On units with side return install the damper assembly in the return air duct network as close to the unit as possible Drilla hole in the duct 290 mm high by 445 mm wide so as to insert the damper Place the damper assembly in position and drill six 6 3 5 mm 2 holes using the holes in the hood flanges as a pat tern and fasten them by means of the six screws supplied On units without an economiser adjust the damper in accord ance with the desired air flow opening by moving the damper support within the hood to one of the three positions Position 1 allows a recycled air flow of approximately 25 Position 2 approximately 15 and Position 3 approximately 10 On either side of the hood there is a screw for fastening this support correctly in place Safety fixed outdoor air intake barometric damper assem bly optional accessory COVER IMPULSE AIR DUCT OUTDOOR AIR COVER REAR VIEW Fig 3 Condensed water drain The piping installation should comply with local regulations Use sealing putty on male threads Install a condensed water drain pipe from the 3 4 BSP 19 mm female connection on the unit to an open drain NOTE The condensed water drain pipe must hav
53. of the unit If it is preferable to set the unit on shock absorbers this should be done in accordance with the following figure Total amount 7 supports There are 13 5 holes at the bottom of the base beams 1 1 V e e O Ja et El ctrical box Y Y e T Outdoor coil side Approx load at each supporting point kg D3IG ers unit Increment per accessory unit Without Motor driven size 8006850 damper or Electric heater Extraction fan ries economiser 090 68 120 77 5 2 4 150 92 5 Keep the level tolerance at a maximum of 13 mm along the entire length or width of the unit Installation and use Be careful when moving the unit Do not remove any part of the packing until the equipment is near its final location Sus pend the unit using chain or cable slings inserting them through the lifting holes located on the base beams of the unit Separators should be used all along the top of the unit Typical elevation SPACER BAR CAUTION BEFORE SUSPENDING THE UNIT MAKE SURE ITS WEIGHT IS DISTRIBUTED EQUALLY ON THE CABLES SO THAT IT MAY BE LIFTED EVENLY LIFTING HOLES Fig 1 Remove the four supports that are fitted at the four corners of the top of the unit All screws withdrawn while removing these supports should be reinserted in the unit CAUTION The opening for combustion air intake has an
54. otor and check actuation of AS Inspect the AS pipe and the smoke discharge in case they are obstructed Make sure the pres sure generated by the combustion air fan is greater than the pressure at the AS Heat switch LS1 is open LS1 should be reset manually so as to resume operation CAUTION Disconnect all electric power supply to the unit Installations with downward discharge Remove the impulse air access panel The heat switch assembly is mounted on the dividing wall of the condenser over the outer most heat exchanger pipe Reset LS1 manually by pressing the reset button at the top of the switch Installations with side discharge Remove the screws from the rear condenser fan grill and place the fan as sembly aside very carefully Remove the four screws from the condenser dividing wall cover and very carefully with draw the heat switch assembly resetting the switch as previously described Be sure not to damage or loosen cables Reassemble the heat switch assembly and the condenser fan motor SEC 7 Low performance the unit cools or heats but does A B not maintain the set point Dirty air filters Replace filters at least every 3 months or more regularly if conditions so require The drive belt slips Tense the belt or replace same if it is cracked glossy etc Second stage Cooling Heating inoperative See Trouble Shooting for general causes for failure to produce cooling or heating
55. pany agent should be requested in writing For further details contact your Distributor Standards These units have been designed and manufactured in com pliance with the TUV VDE and DVGW requirements 1 To be used as forced air boilers with cooling equipment 2 Only for installation outdoors 3 Tobe installed on combustible materials without any dan ger 4 To be used with natural or propane gas These units are not to be used with conventional ventilating systems CAUTION This product should be installed by strictly following the enclosed instructions and all local state and national regulations including but not limited to standards on buildings electricity and mechanics WARNING Incorrect installation could enable the operation of the unit to cause personal or property damage The installer should pay special attention to the words NOTE CAU TION and WARNING The purpose of the Notes is to clarify or facili tate installation The Cautions attempt to avoid damage to the equip ment The Warnings are to alert the installer that personal damage and or damage to the equipment could be caused if the assembly operation is not carried out correctly Installation Limits These units should be installed in compliance with the Na tional or Local Safety Standards in force for example HSE DVGW G613 and G628 See Table 1 on Unit Application Data and Table 2 on Gas Heating Application Data
56. sconnect the enthalpy sensor cables from terminals So and o and install a 1 2 ohms resistance 1 watt 5 between the terminals Terminals SR and R will be equipped with a 620 ohms resistance 1 watt 5 Models with Dual Enthalpy Disconnect the enthalpy sensor cables from terminals SR and and install a 620 ohms resistance 1 watt 5 Disconnectthe discharge air sensor and install a jumper between terminals T and T1 Install a jumper between 29 terminals TR and 1 Reapply a 24 VAC current between terminals TR and terminal 1 and TR1 this can be achieved by setting the fan thermostat switch to ON and carry out the following steps a Set the potentiometer of the enthalpy set point to position A The LED should go on indicating low enthalpy and the damper motor should advance to its open position b Set the potentiometer of the enthalpy set point to position D The LED should go off indicating high enthalpy and the damper motor should advance to its closed position c If the logic module does not surpass test a or b replace it If not make sure the signals from the specified thermostat cause the appropriate action Contacts 1 and KM2 operate only after a short pause See notes on UNIT CONTROL WIRING on page 8 for required times The occupation switch of the thermostat should be set to Occupied If a positive response is not achieved replace the logic the logic module iv Defect
57. st the total amount of air in the system could cause serious damage to the fan 25 Once these readings are made remove the pipes and re place the caps on both ports Location of ports pressure drop reading DAMPER ASSEMBLY optional WA N N 53 gt ii sters S DUCT LATCHES rear of unit FRONT OF UNIT LEFT SIDE VIEW filter access side Fig 16 NOTE Disconnect the compressors before testing so as to make sure the indoor coil is dry Temperature increase adjustment Temperature increase or temperature difference between the return air and the hot air from the boiler should be within the limits shown in Table 2 Once the temperature increase is determined the flow can be calculated as follows 0 8 x Btu Gas intake 1 08 x F Temp increase 0 8 x kW Gas intake 1 2072 x C Temp increase m s or CFM Pressure drop in dry indoor coil vs impulse air flow IMPULSE AIR m 1 0 1 3 1 6 1 8 2 1 2 4 2 7 PRESSURE DROP inches each PRESSURE DROP Pa 21 27 33 39 45 51 57 IMPULSE AIR IN NOMINAL x 100 Fig 17 Based on an 80 nominal performance and the gross heating value or over of the fuel Alternatively use gas intake 0 9 x based on 90 nominal performance and the nett heating value or over of the fuel After about 20 minutes of op
58. t N Natural gas equipment and R 22 refrigerant Natural gas equipment and R 407C refrigerant Nominal heating capacity with gas 165 161 MBH 47 2 KW 200 193 MBH 56 7 KW Voltage D 3 IG 090 N 165 50 50 400 415 3 N 50 General information The D IG models are packaged type air conditioners with gas heating designed for installation outdoors on a rooftop or bedframe and comply with the ISO 9002 Quality Standards These units are supplied completely assembled on rigid beams that are fitted to the base in a permanent manner All piping refrigerant loads and electric wiring are factory assembled and tested These units require electric power supply gas con nection duct connections installation of a hood at the com bustion air intake a hood at the combustion air outlet and a safety fixed outdoor air intake barometric damper at the in stallation site The gas units have aluminium plated steel tu bular heat exchangers with spark ignition FOR YOUR OWN SAFETY Should you smell gas 1 Do not touch any electric switch 2 Put out all exposed flames 3 Call your gas company immediately FOR YOUR OWN SAFETY Do not store or use gasoline or other inflammable products near this or any other equipment Environmental protection 5 Packing Packing is made of recyclable material Its eliminate should be carried out in accordance with the existing
59. t Min Model Power con de section supply Operating intensity Start intensity of kW Intensity of jy Intensity sumption o cables of each one A each one A each one A A A 090 400 3 50 6 1 62 0 4 2 1 1 5 3 5 19 9 32 4 120 400 3 50 7 5 66 0 4 2 1 2 2 5 1 24 3 32 6 150 400 3 50 9 2 12 4 79 128 0 4 2 1 4 8 9 34 8 40 10 NOTES 1 Curve DIN VDE 0660 104 2 The section of the site wiring is based copper wires 105 C insulation 3 phase sleeved Table 5 Impulse air fan performances Mod D GI090 Application of side ducts m s Flow m 1 06 m3 s 1 24 m3 s 1 42 m s 1 59 m s 1 77 ms 5 Power Absorbed E s p Power Absorbed Esp Power Absorbed s p Power Absorbed E Power Absorbed CER RAY em SRY Rais ea eo my ft RR 950 191 0 8 1 0 138 0 9 1 1 78 1 1 1 2 1 005 228 0 9 1 1 176 1 0 1 2 116 1 1 1 3 43 1 3 1 5 E 2 1 060 271 1 0 1 1 218 1 1 1 3 159 1 2 1 4 86 1 4 1 6 1 120 322 1 0 1 2 270 1 2 1 4 210 1 3 1 6 138 1 5 1 8 60 1 7 2 0 1 175 375 1 1 1 4 323 1 3 1 5 263 1 4 1 7 190 1 6 1 9 1 230 432 1 2 1 5 380 1 4 1 7 320 1 6 1 9 Application of ducts with downward discharge m s Flow Ee 4 1 06 m3 s 1 24 ms 1 42 mis 1 59 m3 s 1 77 ms RPM Power Absorbed Power Absorbed Power Absorbed Power Absoroed Power Absorbed ea RAY SRY Rai ea eo RY Rat
60. take 3 Disconnect the gas valve and ignition electrode cables Remove the manifold gas valve from the burner by pulling up and towards the rear The burners can now be accessed See Fig 15 for a view of a typical burner and flame To reassemble this assembly invert the previous procedure Make sure the burners are level and rest on the guides at the bottom of the heat exchanger View of typical flame BURNER CIE HEAT EXCHANGER TUBE ea u PILOT TUBE gt SS i BURNER FLAME blue only Q FEED MANIFOLD Fig 15 Checking air flow The RPM of the impulse air fan depend upon the air flow required the accessories of the unit and the static resistances of the impulse and return air systems With this information the RPM of the impulse air fan can be determined by means of the performance data of the fan shown in Tables 5 6 and 7 With the value of the RPM required the adjustment turns open of the impulse air motor pulley can be determined by means of Table 11 Table 11 Impulse air fan motor pulley adjust ment Fan operating range RPM Turns 090 Turns 120 150 open unit open unit unit 5 950 6 880 960 4 1 005 5 930 1 000 3 1 060 4 975 1 040 2 1 120 3 1 025 1 080 1 1 175 2 1 070 1 120 0 1 230 1 1 120 1 160 The pulleys can be adjusted in increments of half a tur
61. tion and combustion air hoods The gas outlet and combustion air intake hoods are supplied fastened to the fan casing inside this compartment These hoods should be installed so as to guarantee correct opera tion of the unit Both hoods should be fastened to the outside of the gas heating access panel by means of the screws supplied in the bag that is also included in the fan casing When installing the upper latch of this hood slips in beneath the top of the access panel opening and is fastened with the screws supplied See Fig 5 OPENING IN ACCESS PANEL GAS HEATING ACCESS PANEL pt d COMBUSTION GAS OUTLET COMBUSTION AIR INTAKE HOOD Fig 5 GLP propane gas units tanks and pipes All units with gas heating are supplied factory equipped for operation with natural gas only The unit can be transformed for operation with GLP propane gas by means of a conver sion kit installed on job site All units operating with GLP propane gas must comply with local or city safety regulations For satisfactory operation the pressure of the GLP propane gas should be 37 mbar with the unit at full load Maintaining an adequate gas pressure will depend upon three main fac tors 1 The evaporation rate that depends upon a the tempera ture of the liquid and b the magnitude of the wet sur face of the container o containers 2 correct pressure adjustment A two stage adjustment is recommended
62. um position of the potentiometer and make sure the dampers move correctly Then connect terminals T and T1 by means of a jumper The damper motor should advance to its maximum position If the damper motor does not respond as described above replace 100 212 188 219 VI After a 15 minute pause atthe specified temperatures this resistance should be within the range shown in the following figure Shouldthis notbethe case replacethe discharge air sensor After evaluatingthe components replace thosethat are defective and change the cables removed from the terminals during the tests Remove alltestjumpers and resistances used during the tests Restore minimum position and set the enthalpy set point potentiometers to their original settings All data subject to change without notice 30 DECLARATION OF COMPLIANCE ON MACHINERY MANUFACTURER CLIMA ROCA YORK S L ADDRESSE Paseo Espronceda 278 08 204 SABADELL This machine complies with the basic demands of the EC Standards on machinery Standard EC 89 392 CEE including any modification of same APPLICATION OF THE MACHINE AIR CONDITIONER COOLING D3IG 090 120 amp 150 EC STANDARDS 89 392 EEC 89 336 EEC MATCHING STANDARDS APPLIED EN60204 1 EN292 1 EN292 2 EN563 EN294 EN953 EN55014 EN60555 2 EN50082 1 INTERNATIONAL STANDARDS AND TECHNICAL SPECIFICATIONS APPLIED EN ISO 9001 Pr EN378 ROM NJ ARRODA
63. werwiin Left side access to filter 1 370 With economiser B2 29 g Right side cond coil 610 C 38 Gas pipes front Beneath unit 0 Over unit 1 830 Combustion products should not be accumulated in closed areas nor recycled through the combustion air intake Locate the unit in such a way that the hood of the ventilation air outlet is at least a 915 mm above any forced air intake located horizontally at a dis tance of 3050 mm excluding those that form an integral part of the unit b 1220 mm below or horizontally or 305 mm above any door window or normal air intake of the building c 1220 mm from electric metres gas metres regulators and safety devices A clearance of 25 mm should be left between any combustible material and the network of impulse air ducts at a distance of 915 mm from the unit DUCT COVERS The units are supplied with all air duct openings covered In applications with side ducts 1 Remove and discard the impulse and return air duct covers 2 Connect the duct network to the duct flanges In applications with bottom ducts 1 Remove the side covers of the impulse and return air ducts so as to have access to the bottom impulse and return air covers 2 Remove and discard the bottom duct covers 3 Replace the side duct covers Table 3 Physical data Description of components Size of the unit D3IG 090 120 and 150

D3IG 090120150 TG MDIG3BE1

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