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Alde Comfort 2923 Service Manual
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Alde Comfort 2923 Service Manual

Alde Comfort 2923 Service Manual

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Servicemanual
Comfort 2923-2928
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Summary of Contents for Alde Comfort 2923

  • Page 1 Servicemanual Comfort 2923-2928...
  • Page 2 This service manual is intended to assist with servicing and ault-nding in caravans, motor caravans and sheds equip- ped with Alde’s LPG boilers, types 2923 and 2928. The handbook may also be o assistance in ordering spare parts, in understanding how the boilers operate, and how they are installed. It also includes general inormation on how our heating systems are designed, and some inormation on LPG and LPG installations.
  • Page 3 ew metres along the pipe rom the boiler, despite the act that the circulation pump is operating). To make relling simpler, use Alde’s lling pump (g 3) which both lls and bleeds the system automatically. Convectors...
  • Page 4 ABOu P :1 ABOu P ISAAIOS Alde 2923 and 2928 LPG boilers must be connected to the LPG is a very clean burning uel, ocially called ”Liquid LPG cylinder with approved reducing valves with a pres- Petroleum Gas”. This international designation is normally sure working the same as on the data sheet on the boiler.
  • Page 5 AB CMFR LPG BILR 2923 & 2928 Boiler layout (g 9): Fig 7. Fig 9 (Comort 2923). At the bottom of the LPG burner 2923 there is an inlet pipe Exhaust which feeds in air from outside to the combustion chamber gases (g 7).
  • Page 6 :0 FOW CAR LPG Boiler Circulation pump utput electrical cartridge 12 V 12 V 12 V Fuse Fuse Fuse ON/OFF ON/OFF Micro- Room Room switch thermostat thermostat Ignition Switch Switch transformer Switch Switch Spark plug 12 / 230 V 1 kW / 2 kW Relay on 12 V Circuit...
  • Page 7 :0 FAu-FIDI - I the ignition transormer produces a spark (click), but there is no spark at the spark plug, rst check the ignition :1 EERA FAu-FIDI cable by removing it rom the spark plug and making This guide to general ault-nding should be useul in a connection approx.
  • Page 8 : PIO BuRER DOES O I - Check the operation o the overheating protection by measuring voltage between points 1 and 3 (there is a Cause: voltage drop o approx. 5 mV compared with points 1 and - No ignition spark at the pilot burner. 2).
  • Page 9 Cause: ter hole diameter on the burner screen (can be ordered - The main burner does not ignite/burns with insucient ater discussion with Alde service). output. - Adjust the modulating screws on the automatic unit by - Main burner goes out (breaks) too early.
  • Page 10 :1 CIRCuAIO PuP DOES O SAR 5:15 NI R vIBRAIN IN CIRCLAIN PuP Cause: Cause: - No voltage to boiler. - Switch on room thermostat o. - Wear in motor/bearing - bearing dry. - Temperatures setting too low (room thermostat has trip- - Rubber coupling between motor and pump shat aulty.
  • Page 11 Attach the hose, open the gas pipe NOTE! Work on the automatic gas unit may only be and test-run the boiler. Check that sparks cease when carried out by Alde’s service department or authorised the boiler lights! personnel.
  • Page 12 : ADjuSI E BOIER EPERAuRE RPLACING H vRHAING PROECIO 1. Remove the hatch on the control panel by opening it straight out and careully bending it in the middle so that 1. Remove the lower ront plate (see g 12). the pegs are released (se Chapter 6:12).
  • Page 13 : REPACI E ERO-EEE . Insert the burner unit into the boiler and install it in accordance with Chapter 7:1. Check that the capillary 1. Remove the burner unit in accordance with Chap. 6:1. tube to the boiler thermostat, the temperature limiter .
  • Page 14 REPACI E AI BuRER RPLACING H IGNIIN RANFRMR 1. Remove the burner unit in accordance with Chap. 6:1. Ignition transormer 2923 119 replaces with 2923 125. . Remove the pilot burner in accordance with Chap. 6:6. 1. Switch o the main power switch or remove the use .
  • Page 15 :10 REPACI/ADjuSI E ICRO- FI 8 ICH (N 2923 980 CH 2928 980) 1. Remove the hatch in accordance with Chapter 6:11. . Remove the lower ront plate (see g 12). Position of micro- . Switch off the main power switch or remove the fuse on switch at start position the control panel.
  • Page 16 :1 REPACI E PAE :1 REPACI E CORO BOx 1. Remove the hatch in accordance with Chapter 6:11. 1. First remove the panel in accordance with . Switch o the main power switch. Chap. 6:12. (1-5). . Remove the lower ront plate (see g 12). .
  • Page 17 :1 REPACI A COPEE CORO 6:15 RPLACING H 12v CIRCLAIN BOx WI PAE PuP 1. Remove the hatch (6:11) and ront plates (see g 12). 1. Remove the upper ront plate (see g 12). . Switch off the main power switch and set the thermostat .
  • Page 18 :17 REPACI E ExPASIO :18 CAIBRAI E ROO EROSA vL 1. Check the temperature in the caravan with an accurate thermometer. 1. Drain the heating system o approx. 2 litres o liquid. . Remove the upper ront plate (see g 12). .
  • Page 19 CIRCI IAGRAM 2923 & 2928...
  • Page 20 xPL vI 2923 0  1      0 1    1  1  1 1 7 8 7    8 0...
  • Page 21 xPL vI 2928 1  1  0 1   0 39   8  0 1     1  1 1 1  8 7 0 7     1...
  • Page 22 10:0 xPL vI 2923 / 2928 980 7    8 0  0  1 1   1 1 1     1  ...
  • Page 23 11:1 ARICL NMBR  xPL vI 2923 page 20 2928 page 21 o Part.no Designation o Part.no Designation 2923 154 Front plate upper complete 2923 154 Front plate upper complete . 2923 111 Hatch . 2923 111 Hatch . 2923 153 Front plate lower complete .
  • Page 24 11:2 ARICL NMBR  xPL vI 2923 / 2928 980 page 22 o Part.no Designation 2920 131 Front plate upper complete . 2920 181 Front plate lower complete . 2930 423 Plastic nut . 2928 410 Circulation pump complete . 2930 413 Expansion vessel complete 2921 125 Wiring with connector 2923 410 Panel complete (4 switches)
  • Page 25 1:0 SPARE PARS 2923 500 Burner unit 2923 and 2928 2923 400 Burner unit 2923 980 and 2928 980        1. 2921 216 Ignition transormer compl.2923 980 1. 2920 230 Overheating protection. and 2928 980 2.
  • Page 26 1:0 SPARE PARS     1. 2923 210 Panel compl. 1. 2923 112 Control box. 2. 2923 200 Control box compl. 2. 2923 111 Hatch 3. 2921 217 Fuse 1 A. 4. 2923 115 Ignition lamp   ...
  • Page 27 7...
  • Page 28 Alde International Systems AB Wrangels allé 90 • Box 11066 • S-291 11 Färlöv • Sweden Tel +46 (0)44 712 70 • Fax +46 (0)44 718 48 • www.alde.se • ino@alde.se...

This manual is also suitable for:

Comfort 2928