Liebert himod Service Manual
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Liebert himod Service Manual

C version high performance air conditioning
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Himod
C
Version

Service Manual

English
cod. 272631 − rev. 25.02.2005

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Summary of Contents for Liebert himod

  • Page 1: Service Manual

    Himod Version Service Manual English cod. 272631 − rev. 25.02.2005...

  • Page 3: Table Of Contents

    Caution We recommend that: the manual is retained for the entire service life of the machine; the user reads the manually carefully before carrying out any operations on the machine; the control is used exclusively for the purpose for which it is intended; incorrect use of the control shall release the manufac- turer from any liability.
  • Page 4 ........... . . A − 4 The Service Manual HIMOD can also be surfed on the Web at the address: www.HIROSS.IT/pde/TDS/Himod This document is password−protected.

  • Page 5: Preliminary Operations

    = water−cooled = chilled water F = Freecooler = Dualfluid (air−cooled) = Dualfluid (water−cooled) To view the Service Manual HIMOD version A/W/F/D/H, refer to the Manual code 272157 Tab. 1 − Operating limits inlet water from: 18°C, 45% R.H.

  • Page 6: Positioning

    MODEL WEIGHT (kg) − standard unit 27 UC 45 UC 55 UC 65 UC 80 UC 85 UC 90 UC 10 UC 12 UC 14 UC 27 OC 45 OC 55 OC 65 OC 80 OC 85 OC HIMOD−C English...

  • Page 7: Overall Dimensions

    2.2 − Overall dimensions Under Version 27−45 UC 55−65−80−85 UC 1750 1000 1740 90−10 UC 12−14 UC 2050 2550 2040 2540 Over Version 27−45 OC 55−65−80−85 OC 1750 1000 1740 HIMOD−C English...

  • Page 8: Installation

    2470 2550 B [mm] C [mm] CAUTION: For "UNDER" units installed on raised floor, inhibit inappropriate access to the unit from the base to not−authotized staff: i.e. fixing the floor panels up to 850 mm from the unit. HIMOD−C English...

  • Page 9: Extension Hood

    90−10 UC 12−14 UC 2550 500 / 1200 3.4 − Extension hood with sound reduction car- 3.5 − Horizontal discharge hood (Over unit) tridges (Over unit) front back 27−45 C 1000 890 600/900 55−65−80−85 C 1750 890 600/900 HIMOD−C English...

  • Page 10: Base Module

    The conditioner is connected to the base module by 4 screws. 27−45 C 885 200 1740 885 200 55−65−80−85 C 90−10 UC 2040 885 200 12−14 UC 2540 885 200 3.8 − High efficiency filters HIMOD−C English...

  • Page 11: New Air Module

    3.9 − New Air module UNDER OVER (C version) (C version) UNDER UNDER (Mod. 90−10 − C version) (Mod. 12−14 − C version) HIMOD−C English...

  • Page 12: Water Connections

    S The hydraulic features of the system vary by adding S Place the tubing on supporting saddles (1). glycol. Therefore check the head and the flow rate S Insulate both tubes using Armaflex insulation (2). of the pump to be used. HIMOD−C English...
  • Page 13 Himod C Fig. 3 − Chilled water connections under 27−45 Frontal view Right side view (DX) 55−65−80−85 Right side view Frontal view (DX) DIMENSION POS. CONNECTION CONNECTION 45−55C 65−80−85C Chilled water inlet 1 " 1 ¼" 1 ½" female female...
  • Page 14 Himod C Fig. 4 − Chilled water connections under 90 − 10 Frontal view Right side view (DX) 12−14 Frontal view Right side view (DX) DIMENSION POS. CONNECTION CONNECTION 90−10 C 12−14 C Chilled water inlet 2 " 2 ½"...
  • Page 15 Himod C Fig. 5 − Chilled water connections over 27−45 Left side view Frontal view (SX) 55−65−80−85 Left side view Frontal view (SX) DIMENSION POS. CONNECTION CONNECTION 45−55C 65−80−85C Chilled water inlet 1 " 1 ¼" 1 ½" female female...
  • Page 16 Himod C Fig. 6 − Auxiliary water connections under/over Under single / double Frontal view Left side view (SX) 80−85 27−45−55−65 27−45−55−65 80−85 27−45 55−65−80−85 Over single / double 27−45 27−45 55−65−80−85 55−65−80−85 Left side view Frontal view Frontal view (SX) POS.
  • Page 17 Himod C Fig. 7 − Auxiliary water connections under 90−10 Left side view Frontal view (SX) 12−14 Left side view Frontal view (SX) POS. CONNECTION DIMENSION HUMIDAIR water supply (optional) ½" G male 4 22 mm female HUMIDAIR water drain (optional)
  • Page 18 Himod C Fig. 8 − Water circuit 27−55−65 COOLING WATER INLET COOLING WATER OUTLET HOT WATER OUTLET HOT WATER INLET POS. DESCRIPTION Chilled water coil Reheating coil (optional) ON−OFF 3−way valve (optional) Chilled water 3−way valve Air purge valve HIMOD−C...
  • Page 19 Himod C Fig. 9 − Water circuit 45−80−85−90−10−12−14 COOLING WATER INLET COOLING WATER OUTLET HOT WATER OUTLET HOT WATER INLET POS. DESCRIPTION Chilled water coil Reheating coil (optional) ON−OFF 3−way valve (optional) Chilled water 3−way valve Air purge valve HIMOD−C...

  • Page 20: Electrical Connections

    S Protect the supply using a back−up fuse. Fig. 10 − Supply cable passage Under unit Over unit Under unit Under unit (Mod. 90−10 C version) (Mod. 12−14 C version) HIMOD−C English...
  • Page 21 55 – 65 – 80 – 85 C 35,7 32,0 heating + Humidity heating + Humidity 90 − 10 U C 47,3 35,6 Fan(s) + heating, + humidification Fan(s) + heating, + humidification 12 − 14 U C 47,3 53,4 HIMOD−C English...
  • Page 22 In case of frequent over−voltages with mains impulse, it is advisable to install a selective differential and to evaluate the need for adopting other devices. (Models 90−10−12−14 U C only) The value of current (Full Load Ampere) is calculated considering electric heaters running at a capacity of 17,55 kW, configuration F+C and F+C+H. HIMOD−C English...

  • Page 23: Fan Connections

    260 V, at 50 Hz.. The fan blocks are D connected. 260V autotransformer output FAN MOTOR Reference colors: u1 : brown v1 : light blue w1 : black u2 : red v2 : grey w2 : orange klixon: white PE : yellow/green HIMOD−C English...
  • Page 24 220 (219) C ↔ E 230 (231) C ↔ E − C ↔ E − − − n connection: fan inlet voltage = autotrasformer outlet voltage U connection: fan inlet voltage = autotrasformer outlet voltage multiplied by 0.577 HIMOD−C English...
  • Page 25 Tab. 5 − Standard fan connections for HIMOD with autotransformer 50 Hz Standard Model autotrasformer outlet voltage connections output connectors bridge A ↔ F 25/27U C A ↔ F 35/45U C − 50/55U C 60/65U C − 70/80U C −...
  • Page 26 Over unit with ducted air discharge and 50 Pa available external static pressure. the indicated fan currents are measured on their terminal boards; to calculate the current absorption of the fans to the machine supply NOTE: terminals multiply the indicated values by the selected transforming ratio (see Tab. 4). HIMOD−C English...

  • Page 27: Aeraulic Features

    The aeraulic features, namely the values of the useful static pressure while the voltage changes (graphs), can be surfed on the Web at the following address: www.HIROSS.IT/pde/TDS/Aeraulic_featur es This document is password−protected. Ask for the password to your Dealer/Area Manager. HIMOD−C English...

  • Page 28: Start−Up

    The humidifier creates steam, which is distrib- S HEATING uted into the air stream via the steam distribu- tion pipe (see also App. A). This can take one of two forms: HIMOD−C English...

  • Page 29: Chilled Water Valve

    When actuator stem is completely down the valve is Fig. 15 − Floor panels removal on a safety way closed (by−pass 100%), when actuator stem is com- pletely up the valve is open (by−pass 0%) and all water flows into the coil. 850 mm HIMOD−C English...
  • Page 30 If the unit has to be dismantled, this operation must be closed with the machine and quote the unit model no. done by skilled refrigeration technicians. and serial no. 9.2 − Dismantling the unit The machine has been designed and built to ensure continuous operation. HIMOD−C English...
  • Page 31 App. A − HUMIDAIR humidifier App. A.1 − Preface The HUMIDAIR represents the best humidifier In order to obtain optimum performance from the technology available, guaranteeing the steam as clean HUMIDAIR it is advisable to read this manual care- as possible together with simple maintenance. fully.
  • Page 32 Fig. 2 − Drain water connection WATER DRAIN TUBING It is supplied a hose with an integral drain trap. DO NOT DISMANTLE THE DRAIN TRAP. S DO NOT DISMANTLE THE DRAIN TRAP. S The hose is already fitted onto DRAIN WATER DEVICE the humidifier drain outlet (K).
  • Page 33 3) Disconnect the steam hose (S) (made of non−con- App. A.4 − Start−up and operation ductive rubber). App. A.4.1 − Start−up 4) Disconnect the power electrode wires (P) and level sensor wire (L). Before using the humidifier, check the following: S Supply and drain connections.
  • Page 34 App. A.6 − Spare part list It is recommended the use of original spare parts. When placing an order quote the part code, as well as the air conditioner model no. and serial no. INSTALLED QUANTITY POSITION POSITION CODE CODE DESCRIPTION DESCRIPTION Notes...
  • Page 35 Produsent erklærer herved at dette produktet er i samsvar med EU-direktiver: Fabrikant erklærer herved, at dette produkt opfylder kravene i EU direktiverne: Since the Liebert HIROSS Company has a policy of continuous Ο ΚατασÀευαστÞj δηλþνει üτι το παÃüν πÃοΪüν εßναι ÀατασÀευασmÝνο αýmφωνα mε τιj οδηγßεj τηj Ε.Ε.: product improvement, it reserves the right to change design and specifications without previous notice.
  • Page 36 Tel. +39 049 9719111 Telefax +39 049 5841257 Internet : www.liebert-hiross.com Liebert HIROSS Since the Liebert HIROSS Company has a policy of continuous is a division of product improvement, it reserves the right to change design and EMERSON specifications without previous notice.

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